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UM10879 - NXP Semiconductors

1. E4 Ii RN C EARTH 1 1f TUNER m o2 On x oE2 C10 20 5 12 12 2 DIM 02 20 E30 oz OEF 5 o U1 an o 2 som 5 g E T2 al a ve pt di 2 C43 1 c5 p j m J 8 2 R2 o S HE1 EARTH F1 cm D3 a2 e a R1 aaa 013181 a Top side ge BO Loos WWW NXP COM FER 80290 SSL8516DB1195 R2 01 ERIS R7 0148 280000 DC bil R53 O R45 ne 9 T sea M D7 Reo 95g E CAE os Opa c39m R 96 Thor Ios fet R21 Ene Recens mri m R75 O4 vB eve css 90008 D Ras aa 518 12 Reel Jur 2 5 n R26 Res R64 OR71 MM m 8000000 8 5858 fea R14 2 E oO Lo 15 R9 me a c26 5 017 Ut Oras 2507 197
2. T3 R10 L 1 23 mH 4 7 SRSENSE R66 VBUS 5 M 4 3 b 470 nF DRIVER owes R12 R3 m 80 j 2 50V rt 4 250V 400 V D 015 1 3 BZX384 C12 E 3 9 MQ T ES 2 3 L 47 Ws 1N4007 12 Fh L3 ov R47 R20 D16 47 yH 2A U3B 10 3 9MO M SSL8516BT LE Gub BAV23S Q3 744841247 100 nF 926 HV Q2 PSMN057 200P 1 2 400 V T K SPA06N80 4 C45 2 2994 ji 11 30 43 470 nF HVS C28 R49 AMO 470 uF 100nF 1uF fe OUTPUT 50V De 47 pF 2200 857 250 V PU T 400 4 4 3 cao m BAS316 m 1 50V 100 V 63V 5 FBDRIVER WB R41 R40 nm 199 C27 j 100 100 220 pF M 50V n m R11 FBSENSE R34 R30 R33 8 2 KQ r1 cd 4 C10 ci 22kQ 56 GND IG 220 pF C20 e 2 2 nF 100 pF v 30V Vo R2 50 1 GND PFC T A 50 R82 R31 R32 110 0750 0750 GND IC R55 R58 R63 13 Vr 220 220 47 GND PFC GND IC R43 R46 1 R78 K Q5 T GND_FB BCP56 16 10 180 0a D10 R51 R59
3. Table 8 Mains current harmonics Rioad PF 1 2 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 32 0 97924 100 0 61 54 35 21 1 6 1 03 04 06 05 04 02 05 07 06 04 0 2 0 2 03 64 0 9493 100 03 39 88 5 26 22 05 17 13 04 1 3 17 12 0 08 08 08 03 02 04 96 0 91732 100 04122 7 5 91 45 11 1 8 12 23 07 25 1 5 11 09 21 11 02 02 1 07 128 0 87379 100 0 4 11 8 7 1 10 1 1 2 29 26 18 32 26 19 1 8 1 5 1 7 07 09 08 09 12 limit 0 2 26 2 9 7 5 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 9 41 13 15 17 19 21 23 25 27 29 31 33 35 37 39 Red IEC limit Green P 100 Purple 50 96 Blue Po 33 Orange 25 Mains current harmonics of fundamental 230 V AC 50 Hz WLimit mPo 100 Po 50 mPo 33 25 017642 GAT OAO 9 8t M SZ 2121 80891987155 6280 LNN 5 dXN NXP Semiconductors U M1 0879 0 10879 7 2 5 7 2 6 SSL8516BDB1317 75 W 48 V 1 6 CVCC LED driver The results comply with the limits as described in IEC 61000 3 2 for class C equipment Table 9 IEC 61000 3 2 class C limits of harmonic current as percentage of fundamental Harmonic order n Limit 2 30 96 x
4. 8 Schematic 05 R45 oe DPI 2 C49 47 63V n m L1 Di F1 2x20 mH 1 5A 25AT 2 BYV25X 600 GND PFC 744823220 T gt en D2 700 pH 2 A x 1 Mi EIE BYV25X 600 WB1 u 750312186 Ti 6 VBUS 500 pH D4 2 220 nF 75031371R01 BAS316 310V R15 4 3 3 MQ OE1 m m 5 FCPF7N60 R6 R7 GND_PFC 0270 0270 R42 5 1 U3A GND_PFC SSL8516BT R38 PFCTIMER 00 PFCDRIVER Ra t1 220 PFCSENSE VOSENSE ell 50V 5 6 C24 R25 C21 GND IC GND FB 100 nF s4 T 220 PF GND PFC 50V 50V n m not mounted GND_IC GND_IC aaa 016999 Fig 24 SSL8516BDB1317 demo board schematic Mains input and PFC stage GAT OAO 9 L A 8t M 92 2L L80891S8 18S 6280 LNN 5 dXN jenueui 1955 SLOZ Aew 92 sieuirejosip 1291415 s jueuunoop 511 ui uoneuuojul 6 6480 pamasa 8102 A N 5
5. 27 Stop 100 25 MSis Either aaa 017836 To achieve a short stat up time at initial start up the HV pin current source charges VCC buffer capacitors C26 and C42 to Vetartup 22 3 V with 5 MA Ich high mE C1 6 4 Vmains Vcc was discharged to 0 V before start up 2 Fig 14 Start up waveforms Vmains 230 V AC 50 Hz Vcc discharged to 0 V Vo 44 V Table 2 Start up times ms Vmains Vioad 48 V Vioad 24 V Rioad 320 Rioad 128 100 V AC 60 Hz 288 287 287 289 120 V AC 60 Hz 288 263 277 278 230 V AC 50 Hz 295 276 285 291 277 AC 60 Hz 274 254 266 274 UM10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors 2015 All rights reserved User manual Rev 1 26 May 2015 16 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 6 8 Flyback feedback control loop This LED driver example incorporates two output regulation loops A Constant Voltage CV regulation loop A Constant Current CC regulation loop In normal operation one of the two loops is active closed The set points of the output terminal OF lo may T3 L 1 23 mH N 4 4 015 6254 ZX BZX384 C27 BSS131H6327XT L3 47 yH 2 A 744841247 OUTPUT Vo R55 R58 R6
6. oc R61 00 008 25 eae ET mass rg Re2 Spr R34 56 R5 ors CHFO T 2238109 RO R4 g 2945 pef R4o Eus R69 R57 100 gg RAO RU R72 MHS EEE b Bottom side Fig 26 SSL8516BDB1317 demo board component placement aaa 013182 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 34 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver aaa 013183 Fig 27 SSL8516BDB1317 demo board bottom side copper and silk screen UM10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 35 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 11 Transformer information 11 1 PFC transformer Wurth Electronics Midcom Inc part number 750313715 4 10 013184 013185 013186 a Bottom view b Top view c Winding pinout Fig 28 PFC transformer Table 14 transformer electrical specifications Symbol Parameter Value Condition Lp inductance 500 uH pins 7 to 9 lsat saturation current 3 5 A N turns ratio 17 33 9 7 12 1 13 00 9 7
7. t ki 01 1 8kQ 60 4 kQ 56 16 R44 BASGI RES SFH615A 4 L TLVH431A eA 5 6 1 100nF F ue 042 cr pu 00 LM2904AV 47 uF 470 nF BAS316 R54 R67 C25 mE 100 V R50 V m R60 100 pF 39 Am 20 51 sov ZN NZH27C m zv C28 C32 C34 l 330 nF 4 zzanF 100pF 16V 50 V 50V R48 GND_IC 1 7 n m VY 10 5 E GND IC 13 V i MIT 112 CC mode LM2904Av 56 i R52 R68 R65 R72 15 4 51 51 i n m D11 stb 1 C35 R75 R76 F3 NZH10C 13 Vr 100 pF n 0413 V i 10V 50V 560 1 0 Dam l CV mode n m U2 SFH615A 4 3 LM2904AV m C37 C38 R74 R56 1nF ink 10 4 50V 50V 4 R53 M 15 m GND IC nim n m 7 not mounted 3 Fig 25 SSL8516BDB1317 demo board schematic Flyback stage and output circuit aaa 017000 GAT OAO 9 8t M SZ 2L L80891S8 18S 6280 LNN 5 dXN NXP Semiconductors UM10879 9 Bill Of Materials BOM SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver Table 13 SSL8516BDB1317 demo board bill of materials Reference Description and values Part number Manufacturer BR1 bridge rectifier 600 V 8 A GBUS806 Diode Inc C1 capacitor
8. overcurrent protection Flyback overpower protection triggering flyback time out timer 6 1 1 Pinning Vcc HV GND HVS FBCTRL PFCTIMER FBAUX 4 FBDRIVER LATCH PFCDRIVER 6 PFCSENSE VINSENSE FBSENSE PFCAUX 8 VOSENSE aaa 002623 Fig 5 5518516 pinning diagram UM10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 8 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 6 2 Dual stage LED driver The board consists of a PFC boost stage to meet the class C lighting requirements and a flyback stage to drive the output F1 1 1 Pl BRI 1 erri rns 1 5 T VBUS R6 R7 GND PFC GND IC GND PFC GND FB C5 VBUS J1 OUTPUT I OUT 1 OUT 2 R82 R31 R32 C10 GND FB GND PFC aaa 016712 Fig 6 Large signal path of the board 6 3 ElectroMagnetic Interference EMI filter The EMI filter consists of the following magnetic components Common mode inductor L1 Differential mode inductor L2 The EMI filter includes the following capacitors The differential filter C4 C2 and C6 The common mode filt
9. 55131 6327 Infineon R1 varistor 320 V 170 pF V320LA10P Littelfuse R2 resistor NTC 330 5 96 NTCLE100E3334JB0 Vishay R3 resistor 470 5 96 2 W PRO2 THT PR02000204703JR500 Vishay R4 R5 resistor 1 5 2 96 250 mW 1206 HV732BTTD155G KOA Speer R6 R7 resistor 0 27 1 96 500 mW 1206 RCWE1206R270FKEA Vishay R8 R40 R41 resistor 10 1 100 mW 0603 R48 R57 R61 R9 resistor 130 1 96 250 mW 1206 R10 R16 R19 resistor 0 1 96 250 mW 1206 R23 R26 R35 R38 R78 R83 R11 resistor 8 2 1 96 250 mW 1206 E R12 R17 R20 resistor 3 9 MO 1 250 mW 1206 5 R13 resistor 22 1 100 mW 0603 R14 resistor 300 1 96 250 mW 1206 R15 R18 R21 resistor 3 3 1 250 mW 1206 R22 R50 resistor 39 1 100 mW 0603 2 R24 resistor 15 1 100 mW 0603 gt B R25 R60 R72 resistor 51 1 100 mW 0603 a 2 R28 R30 resistor 56 1 100 mW 0603 R29 resistor 5 6 1 96 63 mW 0603 5 R31 R32 resistor 0 75 1 250 mW 1206 R33 R36 R64 resistor 1 1 96 100 mW 0603 R66 R34 resistor 2 2 kO 1 96 100 mW 0603 R37 resistor 2 2 1 96 63 mW 0603 3 R39 R45 resistor not mounted 1 1 96 gt 63 mW 0603 R42 resistor 5 1 1 96 250 mW 1206 R43 resistor 10 kO 1 96 100 mW 0603 R44 resistor 5 6 196 250 mW 1206 R46 resistor 180
10. All information provided in this document is subject to legal disclaimers NXP Semiconductors 2015 All rights reserved User manual Rev 1 26 May 2015 25 of 43 UM10879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver NXP Semiconductors 7 3 EMI measurements E aris 30 aaa 017643 Fig 21 Conducted prescan 120 V FCC15 peak and average liii rur camEPO E O ___ _ _ 72 rE Be iia Fig 22 Conducted prescan 230 V AC EN55015 peak and average UM10879 26 of 43 Rev 1 26 May 2015 User manual NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 200 Hs 52 ms PAEAMP OFF aaa 017645 Fig 23 Conducted prescan 277 V AC FCC15 peak and average UM10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 27 of 43 1955 10 Aew 92 1291415 s jueuunoop 511 ui JO 82 6480 pamasa 8102 N N 5
11. Table3 Output settings in CV mode Output P 100 Po 50 33 Po 25 96 load 32 64 96 128 When the supply is in CC mode the mains input measurements are performed with an electronic load type 63115A in LED mode with 10 Table 4 Output settings in CC mode Output P 100 Po 50 P 33 6 25 load V 48 0 24 0 Efficiency Table 5 Efficiency Vmains Mode Po 100 Po 50 P 33 25 100 V AC 60 Hz CV 91 001 89 44 87 275 84 9 120 V AC 60 Hz CV 91 69 89 742 87 388 84 896 230 V AC 50 Hz CV 92 878 89 995 87 119 84 284 277 V AC 60 Hz CV 93 004 89 85 86 763 83 808 100 V AC 60 Hz CC 91 031 90 399 2 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 22 of 43 NXP Semiconductors UM10879 7 2 2 7 2 3 7 2 4 0 10879 SSL8516BDB1317 75 W 48 V 1 6 CVCC LED driver Table 5 Efficiency continued Vinains Mode P 100 Po 50 33 25 96 120 V AC 60 Hz CC 91 77 90 763 230 V AC 50 Hz CC 93 015 91 131 277 AC 60 Hz CC 93 136 90 962 Power factor Table 6 Power factor Vadis Mode Po 100 Po 50
12. 1 96 63 mW 0603 R47 resistor 10 kO 1 96 250 mW 1206 R49 resistor not mounted 220 1 96 63 mW 0603 R51 resistor 1 8 1 250 mW 1206 R52 R53 resistor not mounted 1 5 1 96 250 mW 1206 R54 resistor not mounted 10 1 96 100 mW 0603 R55 R58 resistor 22 1 100 mW 0603 UM10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 32 of 43 NXP Semiconductors UM10879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver Table 13 SSL8516BDB1317 demo board bill of materials continued Reference Description and values Part number Manufacturer R56 resistor not mounted 1 1 96 100 mW 0603 R59 resistor 60 4 1 96 100 mW 0603 R62 resistor 4 7 1 96 63 mW 0603 R63 resistor 47 1 250 mW 1206 R65 resistor 5 1 1 100 mW 0603 R67 resistor 0 1 63 mW 0603 R68 resistor 100 1 96 100 mW 0603 R69 resistor 50 1 96 1 W 2512 RL2512FK 070RO5L Yageo R70 resistor 6 2 1 63 mW 0603 R71 resistor 59 1 956 100 mW 0603 E R73 R74 resistor 10 1 956 100 mW 0603 R75 resistor 560 kO 1 96 63 mW 0603 R76 resistor 1 1 63 mW 0603 R82 resis
13. Po 33 25 100 V 60 Hz CV 0 99471 0 98931 0 97823 0 96737 120 V AC 60 Hz CV 0 9933 0 98427 0 9708 0 95398 230 V AC 50 Hz CV 0 97924 0 9493 0 91732 0 87379 277 V 60 Hz CV 0 96365 0 90012 0 81958 0 74154 100 V AC 60 Hz CC 0 99516 0 99019 120 V AC 60 Hz CC 0 99345 0 98517 230 V AC 50 Hz CC 0 98008 0 95016 277 V 60 Hz CC 0 96578 0 90177 Total harmonic distortion Table 7 Total harmonic distortion Mmains Mode P 100 Po 50 33 25 100 V 60 Hz CV 6 659 5 615 6 577 9 472 120 V AC 60 Hz CV 6 769 6 464 8 707 10 368 230 V AC 50 Hz CV 9 451 11 999 17 934 18 826 277 AC 60 Hz CV 8 514 13 75 14 903 17 681 100 V AC 60 Hz CC 6 34 5 741 120 V AC 60 Hz CC 6 902 6 53 230 V AC 50 Hz CC 9 62 11 67 277 AC 60 Hz CC 8 345 14 544 Mains current harmonics To indicate IEC 61000 3 2 class C compliance at 230 V AC the mains current harmonics are measured for several power levels All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 23 of 43 jenueui Jasf 10 92 1291415 s jueuunoop 511 ui uoneuuojul vC 6480 pamasa 8102 5
14. Appendix Mains current harmonics MHR improvement Definitions raa e 39 41 41 42 42 15 2 Disclaimers 42 15 3 Trademarks 42 16 lt 43 Please be aware that important notices concerning this document and the product s described herein have been included in section Legal information NXP Semiconductors N V 2015 rights reserved For more information please visit http Awww nxp com For sales office addresses please send an email to salesaddresses nxp com Date of release 26 May 2015 Document identifier UM10879
15. 3 10 Lik leakage inductance 40 uH tie 1 3 10 12 V dielectric rating 1000 V AC pins 1 to 7 1000 V AC pins 3 to 7 2000 V AC pin 7 to core Rac DC resistance 260 pins 7 to 9 100 mo pins 3 to 10 200 pins 1 to 12 UM10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 36 of 43 NXP Semiconductors UM10879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 11 2 Flyback transformer Wurth Electronics Midcom Inc part number 750314464 aaa 013188 a Bottom view Fig 29 Flyback transformer 750314464 013187 b view c Winding pinout z 9 aaa 013189 Table 15 PFC transformer electrical specifications Symbol Parameter Value Condition Lp inductance 1 23 mH pins 6 to 4 Isat saturation current 1 9A N turns ratio 1 6 5 5 4 4 6 4 3 1 4 6 4 10 9 18 66 6 4 1 2 Lik leakage inductance 5 uH 1 2 3 9 10 Ve dielectric rating 4000 V AC pins 2 to 10 tie 3 4 2000 V AC pins 1 to core tie 3 4 9 625 V AC pins 3 to 4 Rac DC resistance 525 mO pins 6 to 4 143 pins 3 to 1 69 pins 10 to 9 75 pins 1 to 2 The bobbin is not conforming safety standards To meet the required safety standards use flying leads or an extended bobbi
16. 6 Functional description 0 10879 6 1 The SSL8516BDB1317 LED driver demo board is a constant voltage and constant current LED driver This board was especially designed to drive a wide LED voltage at a fixed output current At low load a low input power is achieved by the burst mode feature of the IC For more information about the SSL8516BT IC see the SSL8516BT data sheet and the AN11486 application note SSL8516BT controller IC The SSL8516BT is a very robust and reliable flyback controller IC from the NXP Semiconductors GreenChip family The SSL8516BT is almost identical to the SSL85106T However the SSL8516BT includes a burst mode for improved no load power The SSL8516T has a VCO mode down to 0 Hz for low flicker at deep dimming in current controlled mode Various internal protections ensure fail safe operation of the LED driver under all conditions Safe restart non latched protections Flyback overvoltage protection Flyback time out Flyback maximum on time IC supply under voltage lockout 1 internal temperature protection Latched protection External LATCH pin All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 7 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver Other protections PFC overvoltage protection
17. 7 0 6 0 4 96 0 92344 100 0 4 13 5 8 3 4 9 1 9 1 9 2 1 4 2 2 2 5 1 6 1 3 0 4 1 3 0 8 0 9 0 4 0 4 1 0 7 128 0 88626 100 0 7 14 2 6 8 6 7 1 3 0 9 1 4 1 6 1 1 0 8 1 0 4 0 6 2 1 0 2 0 4 0 6 0 2 0 9 0 6 limit 0 2 26 6 9 7 5 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 BLimit Po 100 50 33 25 017647 Red IEC limit Green P 100 Purple 50 96 Blue 33 Orange 25 Mains current harmonics in of fundamental with MHR improvement GAT OAO 9 L A 8t M 92 2L L80891S8 18S 6280 LNN 5 dXN NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver Table 18 Total harmonic distortion with MHR improvement Vmains Mode 100 Po 50 Po 33 Po 25 100 V AC 60 Hz CV 10 599 11 738 11 709 7 729 120 V AC 60 Hz CV 11 326 12 132 12 017 10 976 230 V AC 50 Hz CV 14 686 16 033 17 634 17 998 277 V 60 Hz CV 11 675 15 063 19 13 21 646 13 Abbreviations Table 19 Abbreviations Acronym Description AC Alternating Current BCM Boundary Conduction Mode CC Constant Current CV Constant Voltage DC Direct Current DCM Discontinuous Conduction Mode EMI ElectroMagnetic Interference FR Frequency Reduction HV High Voltage IC Integrated Circ
18. SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 6 12 1 Output short circuit at start up 3 Tigger 0319 200 ms div Stop 20 00 V 100 Vidiv 2 00 Vidiv 5 00 Vidiv 200 0 V ofst 4 000 V ofst 15 00 V ofst 10 0 MS 50MS s Edge Positive 8 00 V 25 00 V aaa 013142 1 Vbus C2 C3 C4 VrgpRIvER Fig 16 Oscillogram output short circuit at initial start up 0 10879 All information provided this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 19 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 6 12 2 Output short circuit during operation During operation the total output capacitance is charged Diode D13 parallel to the LED current sense resistor limits the voltage and the power and so protects the sense resistor and error amplifier 100 V div 2 00 Vidiv 5 00 Vidiv 500 ms div Stop ET 200 0 V 5 4 000 V ofs 15 00 V ofst 125 5 25 5 5 Negative 400 V 8 00 V 25 00 aaa 013143 C1 Vbus C2 VrgcrRL C3 C4 VrgpRIvER Fig 17 Oscillogram output short circuit during operation at full load UM10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 20 of 43 NXP Semiconduc
19. not mounted 100 pF 10 VY2101K29Y5SG63V7 Vishay 300 V Y5S THT C2 C4 capacitor 220 nF 20 96 310 V MKP BFC233922224 Vishay THT C3 capacitor 100 nF 5 96 630 V PP ECW FA2J104J Panasonic THT C5 capacitor 22 uF 20 96 450 V ALU EEU EE2W220S Panasonic 16 mm x 20 mm C6 capacitor 220 nF 5 96 630 V CH3 ECWFA2J224J Panasonic THT C7 capacitor 470 nF 10 96 100 V X7R 08051C474KAT2A AVX 0805 C8 capacitor 1 nF 10 400 V MMK5102K400J01L16 5TR18 KEMET THT C9 capacitor not mounted 47 uF 20 EEU FR1J470 Panasonic 63 V ALU THT C10 capacitor 2 2 nF 20 96 300 V VY2 VY2222M35Y5US6TV7 Vishay THT C11 capacitor 470 uF 20 96 50 V ALU 50ZLH470MEFC12 5X20 Rubycon THT C12 C23 capacitor not mounted 47 pF 5 96 GRM31A5C2J470JW01D Murata 630 V COG 1206 C13 capacitor 33 nF 10 50 V X7R 0603 C14 C21 capacitor 220 pF 5 50 V COG 0603 C15 capacitor 1 2 nF 5 630 V COG CGA5F4C0G2J122J085AA TDK 1206 C16 capacitor 3 3 uF 10 96 25 V X7R CGA4J1X7R1E335K125AC TDK 0805 C17 C32 C37 capacitor 1 nF 10 50 V COG C38 0603 C18 capacitor 68 nF 10 50 V X7R 0603 C19 capacitor 1 uF 10 96 16 V X7R 0603 C20 C25 capacitor 100 pF 10 96 50 V X7R 0603 C22 C24 C46 capacitor 100 nF 10 96 50 V X7R 0603 C26 C36 capacitor 470 nF 10 96 50 V X7R 0603 0 10879 All information provided this document is subjec
20. voltage and fire ignition hazard The non insulated high voltages that are present when operating this product constitute a risk of electric shock personal injury death and or ignition of fire This product is intended for evaluation purposes only It shall be operated in a designated test area by personnel qualified according to local requirements and labor laws to work with non insulated mains voltages and high voltage circuits This product shall never be operated unattended 0 10879 1 1 The SSL8516BDB1317 demo board is a constant voltage and constant current CVCC LED driver example using a PFC and a flyback stage This manual describes the specification and use of the SSL8516BDB1317 board EMI QR tput in FLYBACK e id PFC isolation CVCC PFC FLYBACK CONTROLLER IC CONTROL aaa 013084 Fig 1 SSL8516BDB1317 demo board block diagram Features and benefits Efficient and low cost PFC and Quasi Resonant QR flyback topology Large input voltage range Short start up time Low mains current harmonics Low no load input power Flyback stage with large output voltage range Single layer Printed Circuit Board PCB 146 x 61 mm All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 3 of 43 UM10879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driv
21. 115 NXP Semiconductors D10 diode 300 V 200 mA BAS101 NXP Semiconductors D11 diode zener not mounted 10 V NZH10C 115 NXP Semiconductors 250 mA D12 diode dual 90 V 215 mA BAW56 235 NXP Semiconductors D15 diode zener 12 V 250 mA BZX384 C12 NXP Semiconductors D16 diode dual 200 V 125 mA 235 215 NXP Semiconductors F1 fuse 2 5 A slow SS 5H 2 5A APH Cooper Bussmann HS1 heat sink primary 5 HS2 heat sink secondary J1 connector 5 08 mm 1508060000 Weidm ller L1 inductor common mode 20 mH 1 5 A 744823220 W rth Elektronik L2 inductor 700 uH 2A 750312186 W rth Elektronik L3 inductor common mode 47 uH 2 A 744841247 Wirth Elektronik Q1 transistor MOSFET N 600 V 6 8 A FCPF7N60NT Fairchild Q2 transistor MOSFET N 800 V 6A SPA06N80C3 Infineon Q3 transistor MOSFET N 200 V 39A PSMNO057 200P 127 NXP Semiconductors Q4 Q5 transistor BUT NPN 80V 1 BCP56 16 115 NXP Semiconductors UM10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 31 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver Table 13 SSL8516BDB1317 demo board bill of materials continued Reference Description and values Part number Manufacturer Q6 transistor MOSFET N 240 V 100
22. 3 13 Vr 13V 220 220 47 Lu R78 Q5 56 16 m 13 V R51 46 R64 R59 1 8kQ 100 nF 1kQ 60 4 kQ U1 U7 SFH615A 4 L TLVH431A m ZR 47 uF ihe FE 25V LM2904Av R60 R70 4 51 6 2kQ n m LJ C34 ME gt 100 pF TE CC set point Y ueB 5 13V p12 LCC mode LM2904AV 5 BAW56 R76 R68 R65 R72 51 51kQ L3 R75 R73 10 KQ j U6A 3 CV set point LM2904AV C37 50V aaa 016715 Fig 15 CV and CC control loops and SR circuit 0 10879 All information provided this document is subject to legal disclaimers Rev 1 26 May 2015 NXP Semiconductors N V 2015 All rights reserved 17 of 43 User manual NXP Semiconductors U M1 0879 6 9 6 10 6 11 6 12 0 10879 SSL8516BDB1317 75 W 48 V 1 6 CVCC LED driver Synchronous rectification The synchronous rectifier control IC TEA1892ATS eliminates the secondary side heat sink However to provide cooling options for experiments with output diodes the secondary heat sink is still mounted available Output Constant Voltage CV control The LED driver is intended to be connected with an LED module The CV mode is intended for LED modules that include a DC to DC converter with optional PWM dimming tunable white or RGB color modules The voltage control limits the output voltage when a load 1 6 A is connected or when
23. PF 10 7 5 11 lt n lt 39 odd harmonic only 3 96 nm No load input power Pi noioaq fault mode The no load input power Pinoload is measured with nothing connected to the output connectors J1 Vo regulates to Vomax by the CV control loop Table 10 Pi nogjoag measurement auto off default Vmains Pi noload W Imains mA 100 V AC 60 Hz 0 271 49 120 V AC 60 Hz 0 277 49 230 V AC 50 Hz 0 330 48 277 V AC 60 Hz 0 360 54 Optional the SSL8516BT can be forced on During this measurement only resistor R39 1 is placed to force always on Table 11 measurement PFC forced on optional Vmains Pi noload W Imains mA 100 V AC 60 Hz 0 984 50 120 V AC 60 Hz 0 908 51 230 V AC 50 Hz 0 451 48 277 V AC 60 Hz 0 453 54 Power down input power Pi pa Some LED drivers have a standby power supply and a microcontroller that enables disables the main power supply When using the SSL8516BT as controller of the main power supply a microcontroller can pull down pin VINSENSE using a transistor The power down input power Pi pq is measured with the VINSENSE pin pulled down with a switch Table 12 Pipa measurement Vmains Pi pa W Imains mA AC 60 Hz 0 013 65 AC 60 Hz 0 019 64 50 Hz 0 061 56 277 V AC 60 Hz 0 088 53
24. SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver Rev 1 26 May 2015 User manual UM10879 FD Document information Info Content Keywords SSL8516BDB1317 LED driver constant voltage constant current isolated demo board Power Factor Corrector PFC flyback synchronous rectification TEA1892ATS Abstract The SSL8516BDB1317 is a global mains 75 W CVCC LED driver demo board featuring the NXP Semiconductors GreenChip SSL8516BT flyback controller IC with burst mode The board has a two stage flyback topology This topology ensures good Total Harmonic Distortion THD performance mains current class C compliance over a wide mains input voltage range and output power range The SSL8516BDB1317 can drive a large LED current control mode range NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver Revision history Rev Date Description v 1 20150526 first issue Contact information For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com 0 10879 All information provided this document is subject to legal disclaimers NXP Semiconductors 2015 All rights reserved User manual Rev 1 26 May 2015 2 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 1 Introduction WARNING Lethal
25. al or safety critical systems or equipment nor in applications where failure or malfunction of an NXP Semiconductors product can reasonably be expected to result in personal injury death or severe property or environmental damage NXP Semiconductors and its suppliers accept no liability for inclusion and or use of NXP Semiconductors products in such equipment or applications and therefore such inclusion and or use is at the customer s own risk Applications Applications that are described herein for any of these products are for illustrative purposes only NXP Semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification Customers are responsible for the design and operation of their applications and products using NXP Semiconductors products and NXP Semiconductors accepts no liability for any assistance with applications or customer product design It is customer s sole responsibility to determine whether the NXP Semiconductors product is suitable and fit for the customer s applications and products planned as well as for the planned application and use of customer s third party customer s Customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products 0 10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors does not accep
26. d Functional description SSL8516BT controller IC siu RI es Dual stage LED ElectroMagnetic Interference EMI filter Power Factor Correction PFC Flyback Burst IC low voltage supply Flyback feedback control loop Synchronous rectification Output Constant Voltage CV control Output Constant Current CC control Output short circuit conditions Output short circuit at start up Output short circuit during operation Line regulation and load regulation Mains input measurements EMICIONCY RR a ee eevee Power Total harmonic distortion Mains current harmonics No load input power Pinoloaa fault mode Power down input power Pip EMI 1 Schemallc 1 Iw lex Re RN Bill Of Materials PCB layout e RR Transformer information PFC Flyback transformer Winding turns and wire information
27. e following modifications are required PFCDRIVER injection 100 kO and 4 7 nF e Speeding up Rmains capacitors 2 x 150 pF Fig 31 IL p 150 pF R4 R5 PFCDRIVER PFCSENSE FBDRIVER H PFCTIMER Simplified circuit diagram with MHR improvement modifications A aaa 017646 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 39 of 43 jenueui Jasf Glog Aew 92 1291415 s jueuunoop 511 ui uoneuuojul Ot 6480 pamasa 8102 A N 5 Table 17 Mains current harmonics Rioad PF 1 2 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 32 0 97841 100 0 13 7 4 1 2 4 1 8 1 4 0 9 0 1 0 5 0 7 0 5 0 1 0 5 0 7 0 6 0 5 0 1 0 2 0 4 0 4 64 0 95479 100 0 2 13 3 6 9 29 1 9 1 6 0 7 1 2 1 2 0 9 1 2 1 0 5 1 1 4 1 1 0 2 0
28. ent is subject to legal disclaimers NXP Semiconductors 2015 All rights reserved User manual Rev 1 26 May 2015 14 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 1 C1 Vo AC coupled 2 C2 VegpRivER 3 Fig 12 Burst mode signals V 48 5 V lo 10 mA aaa 017635 1 C1 Vo AC coupled 2 C2 3 Fig 13 Burst mode signals V 48 5 V l 50 UM10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 15 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 6 7 IC low voltage supply circuit An additional auxiliary winding on the FB transformer provides the VCC supply for the IC In Constant Voltage CV mode V is fixed to 48 5 V However in Constant Current CC mode V depends on the number of LEDs connected To limit the supply voltage to the IC a voltage regulator circuit is used Because is regulated to 48 5 V by the CV control loop the auxiliary winding voltage is at its maximum in CV mode Due to the regulator voltage drop the no load input power Pinoloaa is not the lowest possible value For a better performance check suggestions on the VCC as described in the AN11486 application note
29. er NXP Semiconductors 2 Safety warning The SSL8516BDB1317 demo board must be connected to mains voltage Avoid touching the demo board while it is connected to the mains voltage An isolated housing is obligatory when used in uncontrolled non laboratory environments Galvanic isolation of the mains phase using a variable transformer is always recommended Figure 2 shows the symbols that identify the isolated and non isolated devices 019aab173 019aab174 a Isolated b Not isolated Fig 2 Isolation symbols All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved UM10879 User manual Rev 1 26 May 2015 4 of 43 NXP Semiconductors UM10879 3 Specifications SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 0 10879 Table 1 SSL8516BDB1317 demo board specifications Symbol Description Value Condition V mains mains voltage AC 90 V to 300 V AC tstartup start up time lt 350 ms Po max maximum output 75W Rioad 32 at tstartup power precondition Voc lt 20 maximum output 48 5 V Constant Voltage CV voltage mode Vo output voltage range 24 V to 48 V Current Controlled CC mode Vo noload no load output voltage 48 5 V no load lo max maximum output 1 6A CC mode current Alo AV mains line regulation 3 96 Alo AVo load regulation 3 96
30. er C10 0 10879 All information provided this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 9 of 43 NXP Semiconductors U M1 0879 0 10879 SSL8516BDB1317 75 W 48 V 1 6 CVCC LED driver 6 4 Power Factor Correction PFC The PFC is a boost stage consisting of components T1 Q1 D2 and C5 In normal operation the PFC stage operates in Boundary Conduction Mode BCM with valley switching and fixed on time Valley switching is described in the SSL8516BT data sheet The design choices for the PFC stage are based on the following targets A wide mains input voltage range from 90 V AC to 305 V AC Alarge output power range must comply with the mains current harmonics class C requirements for lighting equipment of IEC 61000 3 2 The PFC inductance T1 is maximized lowest PFC switching frequency for a large frequency range The maximum PFC frequency of the SSL8516BT is limited to 400 kHz The controller keeps the PFC frequency under 400 kHz through valley skipping The operating mode of the PFC changes from BCM to Discontinuous Conduction Mode DCM in case of valley skipping The PFC frequency range of up to 400 kHz prevents discrete steps in the mains current which can be the result of valley skipping The PFC inductance on this board is 500 uH A larger value can cause audible noise at a 300 V high mains voltage and full load
31. fsy pec drops significantly when the peak of the mains voltage is close to the bus voltage In this condition torprc increases The PFC output voltage is dimensioned for the use of a 450 V rated bus capacitor C5 Vbus nom 431 V the ripple is 10 V For 75 W a 22 uF capacitor is sufficient when there are no hold up time mains voltage cycle skipping requirements All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 10 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver Measure P1mean C4 P2 req C1 P3 width C 1 P4 P5 6 value 4364V 149 5465 kHz 225685 us Timebass 000 Trigger VIEN 100 5 500 5 Negative 1 4795646ms amp 4731836ms x2z 63810ys 1 AX 21133446Hz 013096 C1 VPFCDRIVER C2 Imains C3 Vmains C4 Vbus F1 fgw c1 fsw PFO F2 ton c1 7 signals 230 V V 48 V l 1 6 A Channel F1 shows the frequency of the PFC gate drive signal During the zero crossing of Vmains the valley skipping of the PFC controller is visible Channel F2 shows the on time tonprc of the PFC gate drive signal Vercpniven The THD in Figure 7 is 9 9 96 The PFC on time ton prc is modulated to increase near the zero crossings of Vmains The on time i
32. n 0 10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 37 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 11 3 Winding turns and wire information Core material PQ2620 3C96 Table 16 Winding turns and wire information Turns Wire N0 0 26 3 x 0 16 mm NO 1 26 3 x 0 16 mm N1 13 3 x 0 16 mm N2 13 2 x TIW 0 35 mm N3 3 1 0 16 mm 2xtape pin 10 1xtape pin 3 1xtape P pin 2 1xtape 02 106000 pin 5 2000 000 AN 2 N 1xtape Zi AN 1xtape 00000000 10000000 AS AN 1xtape 0000000035 pin 4 seeeveee aaa 013436 Fig 30 Flyback transformer winding build 0 10879 All information provided this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 38 of 43 NXP Semiconductors UM10879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 12 Appendix Mains current harmonics MHR improvement 0 10879 MHR be improved over the full load range at the expense of the THD at full load With the modifications shown in Figure 31 the THD at 230 V AC is 15 instead of 10 96 Th
33. n efficiency gt 90 96 full load PF power factor 0 95 full load lt 20 96 quarter load THD total harmonic 10 full load distortion Pitnoload no load input power 0 5W no load PFC auto off lt 1 0 WU no load PFC forced on Pitpa power down input lt 100 mwil forced standby power 1 Not default PFCTIMER is shorted to GND to force PFC always on 2 Not default VINSENSE is shorted to GND for this measurement All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 5 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 4 Board photographs Za 5 fe aaa 016716 5 o e o SE e 5 9 o o 016711 b Bottom Fig 3 SSL8516BDB1317 demo board photographs UM10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 6 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 5 Connecting the board Connect the mains voltage to the input connector X1 type IEC C6 Connect the load to the output connector J1 J1 OUTPUT 750314464 NP141302 aaa 017626 Fig 4 5518516 1317 demo board connections
34. ncrease improves the THD and class C performance significantly The modulation signal is added to the compensation network on pin using capacitor C15 The voltage Vprccomp on the PFCCOMP pin represents the on time Low voltage is high ton pFc high voltage is low ton prc 0 10879 All information provided this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 11 of 43 NXP Semiconductors UM10879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver F1 14 R5 BR1 L2 B5 mains Yn inlet Cx m UN P T VBUS H de C6 Qi c5 v R9 i C15 R6 R7 fine tune R14 and R9 with k adjustable resistor R14 Ro i VINSENSE R14 PFCCOMP R28 2 C16 R22 C18 C19 V Vv V aaa 013089 Fig 8 ton prc modulation with capacitor C15 UM10879 At low load fsyprc increases and the frequency limit of the PFC controller is reached At the mains angle where fsw PFC max is reached the valley skipping is active A discrete step in the mains current is present The valley hopping and the flat line during the V mains zero crossings determine the THD and class C performance Measure 1 4 P21req C1 P3 width C1 value 4363 V 208 0103 kHz 1 26429 y
35. nties expressed or implied as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information NXP Semiconductors takes no responsibility for the content in this document if provided by an information source outside of NXP Semiconductors In no event shall NXP Semiconductors be liable for any indirect incidental punitive special or consequential damages including without limitation lost profits lost savings business interruption costs related to the removal or replacement of any products or rework charges whether or not such damages are based on tort including negligence warranty breach of contract or any other legal theory Notwithstanding any damages that customer might incur for any reason whatsoever NXP Semiconductors aggregate and cumulative liability towards customer for the products described herein shall be limited in accordance with the Terms and conditions of commercial sale of NXP Semiconductors Right to make changes NXP Semiconductors reserves the right to make changes to information published in this document including without limitation specifications and product descriptions at any time and without notice This document supersedes and replaces all information supplied prior to the publication hereof Suitability for use NXP Semiconductors products are not designed authorized or warranted to be suitable for use in life support life critic
36. of use loss of data or information and the like arising out the use of or inability to use the product whether or not based on tort including negligence strict liability breach of contract breach of warranty or any other theory even if advised of the possibility of such damages Notwithstanding any damages that customer might incur for any reason whatsoever including without limitation all damages referenced above and all direct or general damages the entire liability of NXP Semiconductors its affiliates and their suppliers and customer s exclusive remedy for all of the foregoing shall be limited to actual damages incurred by customer based on reasonable reliance up to the greater of the amount actually paid by customer for the product or five dollars US 5 00 The foregoing limitations exclusions and disclaimers shall apply to the maximum extent permitted by applicable law even if any remedy fails of its essential purpose Safety of high voltage evaluation products The non insulated high voltages that are present when operating this product constitute a risk of electric shock personal injury death and or ignition of fire This product is intended for evaluation purposes only It shall be operated in a designated test area by personnel that is qualified according to local requirements and labor laws to work with non insulated mains voltages and high voltage circuits The product does not comply with IEC 60950 based national o
37. ow load the is switched off is then charged until the peak of the mains voltage is reached The switch off delay of the flyback power switch variation must be considered to benefit from the accurate PFC switch on and switch off levels Because of the delay compensation circuit at the FBSENSE pin the is almost independent of Vos for this board Resistors R12 R17 and R20 set the compensation current Resistor R33 sets the amount of correction See the AN11486 application note for more information on the delay compensation on the FBSENSE pin and flyback adjustment lpk fb min lpk tb max 0 10879 All information provided this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 13 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 6 6 Burst mode When the flyback switching frequency drops to below 25 kHz in FR mode not in QR mode the IC enters BM To reduce the IC current consumption most internal IC circuits are switched off in BM In BM 35 kHz with a 225 mV FBSENSE level 5 00 1 00 Vidiv 20 0 msidivj Auto E 20 00 V ofst 2 000 ofst 100MS 50 5 5 Positive aaa 017633 1 C1 Vo AC coupled 2 C2 VregonivER 3 Fig 11 Burst mode signals V 48 5 V 1 0 mA 0 10879 All information provided this docum
38. r regional safety standards NXP Semiconductors does not accept any liability for damages incurred due to inappropriate use of this product or related to non insulated high voltages Any use of this product is at customer s own risk and liability The customer shall fully indemnify and hold harmless NXP Semiconductors from any liability damages and claims resulting from the use of the product Translations A non English translated version of a document is for reference only The English version shall prevail in case of any discrepancy between the translated and English versions 15 3 Trademarks Notice All referenced brands product names service names and trademarks are the property of their respective owners GreenChip is a trademark of NXP Semiconductors N V NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 42 of 43 NXP Semiconductors UM10879 16 Contents SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 6 6 1 6 1 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 6 10 6 11 6 12 6 12 1 6 12 2 7 7 1 7 2 7 2 1 7 2 2 7 2 3 7 2 4 7 2 5 7 2 6 7 3 8 9 10 11 11 1 11 2 11 3 12 13 14 15 15 1 Introduction Features and Safety warning 5 Board photographs Connecting the boar
39. s Upper grid C1 C2 Imains C4 Vous Fig 9 signals 230 V V 16 V l 1 6 A P4 P5 P6 2 00 Stop ov 100 5 500MSisfEdge Negative 1 4795646ms 4731836ms x2z 63810ys VAX 21133446Hz aaa 013091 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 12 of 43 NXP Semiconductors U M1 0879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 6 5 Flyback converter Depending on the output power FBCTRL pin voltage the flyback converter operates in multiple modes Quasi Resonant QR Discontinuous Conduction Mode DCM Frequency Reduction FR Burst Mode BM fsw fb max flyback Switching frequency QR Quasi Resonant DCM Discontinuous Conduction Mode FR Frequency Reduction BM Burst Mode burst mode frequency FR minimum frequency 0 77 24 28 4 0 4 9 VrBCTRL V aaa 002672 QR The flyback is operated in Quasi Resonant QR mode at Po max 2 DCM The IC clamps the flyback switching frequency to fgw toymax 130 kHz FRM the FBCTRL pin controls the VCO allowing to drop to 25 kHz BM at fsw fo 25 kHz BM is activated to allow higher efficiency especially for no load and low load conditions Fig 10 Multimode flyback operation At l
40. t any liability related to any default damage costs or problem which is based on any weakness or default in the customer s applications or products or the application or use by customer s third party customer s Customer is responsible for doing all necessary testing for the customer s applications and products using NXP Semiconductors products in order to avoid a default of the applications and the products or of the application or use by customer s third party customer s NXP does not accept any liability in this respect Export control This document as well as the item s described herein may be subject to export control regulations Export might require a prior authorization from competent authorities Evaluation products This product is provided on an as is and with all faults basis for evaluation purposes only NXP Semiconductors its affiliates and their suppliers expressly disclaim all warranties whether express implied or statutory including but not limited to the implied warranties of non infringement merchantability and fitness for a particular purpose The entire risk as to the quality or arising out of the use or performance of this product remains with customer In no event shall NXP Semiconductors its affiliates or their suppliers be liable to customer for any special indirect consequential punitive or incidental damages including without limitation damages for loss of business business interruption loss
41. t to legal disclaimers NXP Semiconductors 2015 All rights reserved User manual Rev 1 26 May 2015 30 of 43 NXP Semiconductors UM10879 SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver Table 13 SSL8516BDB1317 demo board bill of materials continued Reference Description and values Part number Manufacturer C27 capacitor not mounted 220 pF 596 l 50 V COG 0603 C28 capacitor 330 nF 10 96 16 V X7R 0603 C29 capacitor not mounted 100 nF 10 96 50 V X7R 0603 C30 C40 C41 capacitor 100 nF 10 96 100 V XR GRM188R72A104KA35D Murata 0603 C31 capacitor 4 7 10 96 25 V X7R TMK212AB7475KG T Taiyo Yuden 0805 C33 capacitor 10 nF 10 96 50 V X7R 0603 C34 C35 capacitor not mounted 100 pF 10 96 50 V X7R 0603 C42 capacitor 47 uF 20 96 35 V ALU 35ZLJ47MTA5X11 Rubycon 5mm x 11mm C43 capacitor 1 uF 10 63 V PET B32529C105K189 EPCOS B32529 C45 capacitor 470 pF 5 96 250 V COG C1608C0G2E471J080AA TDK 0603 D1 D2 diode 600 V BYV25X 600 127 NXP Semiconductors D4 D6 D17 diode 100 V 200 mA BAS316 135 NXP Semiconductors D3 D13 diode 700 V 1N4007GP E3 54 Vishay D5 D7 diode dual not mounted 200 V BAV238 215 NXP Semiconductors 125 mA D8 diode TVS 250 V 1 A 400 W SMD SMAJ250CA Littelfuse D9 diode zener 27 V 250 mA NZH27C
42. the LED module is broken open string When the voltage control loop is closed CV mode the CC loop is open In CV mode the output is Vo is regulated at Vo max 48 5 V Output Constant Current CC control The constant current regulation set point is derived from the accurate 13 V local supply band gap referenced with U7 The set point is fixed to 81 mV Resistors R74 R75 and R76 set the accurate 9 mV lower limit The 13 V local supply draws current from Vo The bias current is minimized to reduce losses by using a low current shunt regulator TLVH431 and a high gain optocoupler Q5 dissipation is minimal for the specified V range Output short circuit conditions Several features provide protection against component damage when the LED driver output is shorted Two conditions must be considered Short circuit at start up Short circuit during operation The SSL8516BT protection features involved during output short circuit are supply under voltage protection pin Vcc threshold Vivir o flyback time out via optocoupler feedback pin FBCTRL flyback OverCurrent Protection OCP via pin FBSENSE With a low ohmic output short circuit the SSL8516BT time out is triggered before Vih UVLO is reached All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 18 of 43 NXP Semiconductors U M1 0879
43. tor 1 1 O 1 96 250 mW 1206 T1 transformer 500 uH 3 5 750313715R01 W rth Elektronik RM10 T3 transformer flyback 1 2 mH N 4 750314464R2 W rth Elektronik PQ2620 U1 optocoupler NPN 70 V 50 mA SFH615A 4 Vishay U2 optocoupler NPN not mounted 70 V SFH615A 4 Vishay 50 mA U3 PFC and flyback controller SSL8516BT NXP Semiconductors 04 operational amplifier single not TS324AILT ST mounted U5 synchronous rectifier TEA1892ATS NXP Semiconductors U6 operational amplifier dual LM2904AVQDRQ1 Texas Instruments U7 voltage regulator 1 24 V 196 80 mA TLVHA31AQDBZR Texas Instruments X1 connector mains 771W BX2 01 Qualtek UM10879 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 26 May 2015 33 of 43 NXP Semiconductors UM10879 10 PCB layout SSL8516BDB1317 75 W 48 V 1 6 A CVCC LED driver 0 10879 Single layer Component numbering is starting at the mains connector Secondary heat sink HS2 is not required but mounted for experiments The PCB of the SSL8516DB1195 demo board is reused for the SSL8516BDB1317 demo board The PCB board information