Evaluation Board User`s Manual
Contents
1. 15 be IO 7 Es z a 2 Taq or O oro l d a OWN ND g uj D f E Op LZOSNSOQON Q Q x 100 mn 5 ui gt 2 3 d 2 lt LE PMZ tiM E use 9 m 2 SES zs T x z a Ki co ce lt us H NU c KR lt o ri E x 62 2 Ce Ve c p i e D z f 5 Nosr znz o r n e AOSP ZNZ lt E I o 5 3 OL NW 50 90 VIN2 Figure 19 Straight LED Driver with Triac Dimming Circuitry Flow 120 VAC http onsemi com 13 TP9 CCRACGEVB APPENDIX D Cap Drop LED Driver Topology Non dimming 120 VAC Example Table 11 PERFORMANCE EVALUATION THD Efficiency Input Power W Tek Stopped Single Seq 1 Acs 11 Jan 13 17 18 07 Futons Cap Drop Vin 120 V Jumpers 2 13 19 20 25 26 1 30 46 150 54 44 634 28 01 ragi Ch 200 Che 100 MA Ums 12 5Sk57s DU Cha 1 rny 1007 A Chi 1057 Figure 20 Bridge Output LED LED Current and CCR Vax Waveforms Voltage V Current A 178 28 Output vs Time 80 65m zm zl zs 1 1 1 1 1 1 1 l 1 1 1 1 1 Vdc 8 789mV Vac 119 992V Vac dc 119 992V Vthd 105 194 Freq 60 0000Hz Idc2. Straight LED Driver Non dimming 120 VAC Example The Straight LED driver circuit is the simplest with the lowest BOM and highest PF To setup the CCRACGEVB for the Straight LED driver non dimming topology place jumpers according to Table 1 Table 1 JUMPERS PLACED ONTO THE EVB J1 J13 J18 J19 J20 J22 J26 Appendix A The AC input is rectified using an AC bridge D1 D4 A CCR CCR3 4 5 or 6 controls the current through the LED string The LEDs will be turned on at twice the AC frequency 120 Hz in the USA The duty cycle is about 60 Figure 2 depicts the schematic with the evaluation board reference designators Vr Total LEDs The maximum forward voltage drop across the LED string is determined by the minimum input peak voltage minus the minimum regulating voltage for the CCR Assuming 10 tolerance of AC mains LEDS AC Vinyinpeak VAKMIN eq 1 MAXV _ rota LEDS 120 V x 1 414 10 3 V 150 V The minimum forward voltage drop across the LED string Is determined by the maximum input peak voltage minus the breakdown voltage of the CCR Assuming 10 tolerance of AC mains MINN rota LEDs AC ViNmaxpeak VAKMAX eq 2 MINN LEDs 120 V x 1 414 10 120 V 67 V http onsemi com CCRACGEVB Conduction Time Ton The conduction time on time of the LED string is based on the Vg Toi EDs The rectified voltage needs to rise above the forward voltage
3. x d a a st WW 9 5 SC 90 OtLFOOPVMHIN Figure 22 Cap Drop LED Driver Topology Non dimming Circuitry Flow 120 VAC http onsemi com 15 CCRACGEVB APPENDIX E Cap Drop LED Driver Topology Non dimming 230 VAC Example Table 12 PERFORMANCE EVALUATION THD Efficiency Input Power W 194 44 290 84 146 54 39 Orn sz 110 54 Ch sun Che 2004 MA Ums 12 5 5 5 DU Uu en Gh3 1 0rmv eb A Chi 150v Figure 23 Bridge Output LED LED Current and CCR Vax Waveforms Voltage V Current A 341 68 Output vs Time 75 03m T T Vdc 14 923mV Vac 229 955V Vac dc 229 955V Vthd 63 270m Freq 60 0000Hz Idc 1 0431mA lac 38 3102mA lac dc 38 3244mA Ithd 41 648695 peak 71 4526mA crest 1 864 DC Pwr 15 5660W AC Pwr 7 756VV App Pwr 8 813VA React Pwr 4 185VV Pwr Fact 880 025m Total Pwr W Figure 24 Input Current and Voltage VVaveforms from Power Main http onsemi com 16 1 Ga yIN duig Tx so y n dweTy m L LT i e LED BOARD we 510 Avq 3QONV SoXW 59 dtue Ty Wa 210 STRAIGHT DIMMABLE 04T3G gt MRA40 CAP DROP Figure 25 Cap Drop LED Driver Topology CCRACGEVB 59 dui amp TX s9 xXW du 1x S9 XW dueT
4. 4 PH DN 910 150 880 3doHivo xw P m dE TY S N diue 1x S9 xW d 59 dueTx 59 duie TX m T L Lat wi kq za c q a AMC TO 51 2 2 a CHOPPER CCRs ZMNQ O EVT ul NE 88 5 21 m SSLArFZ36ZN lt 92 ocan 2 A ci WW NO O iB Sp LZOSNSOCAN Q orca C NZ9F MRA4004T3G MRA4004T3 FM 204 LH w ar e de MRA4004T3G INRUSH CURRENT LIMITER be 11K1 R1 CHOPPER CAP DROP DIMMABLE CAP DROP gt J NT TP 2 ANOS 212 SQ OE LFOOPV IN e H A0Sy ni LI SC LFO0FV IA LVIN Figure 31 Chopper LED Driver Topology 85 VAC to 250 VAC Non dimming Circuitry Flow http onsemi com 21 CCRACGEVB APPENDIX H Chopper LED Driver Topolooy 85 VAC to 250 VAC vvith Triac Dimmin S LED BOARD CHOPPER l CCRs STRAIGHT DIMMABLE INRUSH CURRENT LIMITER CHOPPER CAP DROP DIMMABLE CAP DROP Figure 32 Chopper LED Driver Topology 85 VAC to 250 VAC with Triac Dimming Circuitry Flow http onsemi com 22 CCRACGEVB APPENDIX I Table 15 JUMPERS FUNCTION DEFINITION Fm NN ON Semiconductor and are registered trademarks of Semiconductor Components Industri
5. 126 42 Output vs Time 352 68m 235 12m 117 56m 117 56m 235 12m 352 68m 15 0ms 25 0ms 30 1ms Time Vdc 2 038mV Vac 85 016V Vac dc 85 016V Vthd 136 241m Freq 60 0000Hz Idc 657 9470 lac 87 5418mA lac dc 87 5443mA Ithd 83 6606 Ipeak 335 8840mA Icrest 3 837 DC Pwr 1 341uVV AC Pwr 3 609VV App Pwr 7 443VA React Pwr 6 509VV Pwr Fact 484 922m Total Pwr W Figure 28 Input Current and Voltage Waveforms from Power Main 85 VAC http onsemi com 19 CCRACGEVB Table 14 PERFORMANCE EVALUATION 230 VAC THD Efficiency Input Power W Tel Buttons J 4 8150 11 212 44 1 3183 AMSZ 87 RAMSES 28 38 RMS D4 3448 4 30 41 Ch ZUUN Che 1007 MA Um 12 5 55 00 5 Cha 100rn Ch 1007 A Chi 76 07 Figure 29 Bridge Output LED LED Current and CCR Vak VVaveforms 230 VAC Voltage V 1 Current 341 65 Output vs Time 22 749 10m 749 10m Vdc 14 153mV Vac 229 953V Vac dc 229 953V Vthd 127 805m Freq 60 0000Hz Idc 789 976 lac 214 3450mA lac dc 214 3460mA Ithd 96 784495 Ipeak 2 1403A Icrest 9 985 DC Pwr 11 180uVV AC Pwr 10 312VV App Pwr 49 290VA React Pwr 48 199W Pwr Fact 209 221m Total Pwr W Figure 30 Input Current and Voltage Waveforms from Power Main 230 VAC http onsemi com 20 CCRACGEVB LED BOARD S9 XW d r 59 S9 Xiy duie1x S9 XIN duie TX gt
6. S9 XW durX S9 XW 1 1 D ELI we 210 y q V s q 2 2 2 62 NDDOSNSOZT4G 3 41 2 TO CATHODE 4G NDD05N50ZT o E Us 2 2 Pc e z 5 x DO I 3 2 9 22 2 50 MIN 90 m L VIN2 http onsemi com 17 6r OF LZOSNSOQQN 0 0 LE 11K1 12 R yes DGLA M3 2362 10 DIMMABLE CCRs Non dimming Circuitry Flow 230 VAC TP9 CCRACGEVB APPENDIX F o a lt o m Q l A 3 I CHOPPER CCRs in o pg bi INRUSH CURRENT LIMITER CHOPPER CAP DROP DIMMABLE CAP DROP Figure 26 Cap Drop LED Driver Topology with Triac Dimming Circuitry Flow 120 VAC http onsemi com 18 CCRACGEVB APPENDIX G Chopper LED Driver Topolooy 85 VAC to 250 VAC Non dimming Table 13 PERFORMANCE EVALUATION 85 VAC THD Efficiency Input Power W Tek Stopped Single Seq 1 Acs 15 Jan 13 13 13 50 88665 61 954 106 0 5262Y 56 39m 12 557 35 47 Ch 200 Che 1007 12 5 55 DU 5 Cha 100m Cha 100 A Chi 76 07 Figure 27 Bridge Output LED LED Current and CCR Vax Waveforms 85 VAC Voltage V 1 Current
7. 1 0348mA lac 38 1818mA lac dc 38 1959mA Ithd 41 240695 Ipeak 76 8123 Icrest 2 011 DC Pwr 9 095uW AC Pwr 3 465VV App Pwr 4 583VA React Pwr 3 000VV Pwr Fact 755 976 Total Pwr W Figure 21 Input Current and Voltage Waveforms from Power Main http onsemi com 14 TP2 AOSF Cnc CCRACGEVB S9 XIN ug S9 XIA Gwe yy S9 XIN dwe yy S9 YIN duig Ty So XW Cue Ty LED BOARD Cl Cl a wa 910 ita geia bzr m so xwdweyx so xwdweqy so xwdweqy so xwdweqy So xw dwey N 210 c q gt gt o o 2 e N m SS1AFZ36ZN 6 lt 9 4001 LLY o 214 NDDOSNSOZ 3QOHlvo e a I e lt 9 o lt o O E OSLAPTAIGZN 20 m L m E Ww xo m e 4 i o T SZ ulW0OLEr11 i Loi UNA ND a m OS LAPZABZN S WW x d 5 2 I 2 Y QC St o 3 ES M zzn lt lk zz u 5 J 0 a o OTO091 N Q p a e 3 DEO T i WEEN u o r LZ09NSOQON m m 5 q 010 roe lt SE 5 lt 2 2 x z muz ELY d m 9 m to Q 5 m B ES o I nz x Y a a gt O Q Q nz 2 lt Q c m lt z o 5 5 m gt x o D 2
8. 10V 6K8 NDD05N50ZT4G Figure 9 Chopper Non dimming LED Driver 85 VAC to 230 VAC example MRA4004T3G MRA4004T3G 85 230 VAC 60 Hz NSIC2050BT36 MRA4004T3G MRA4004T3G XLamp MX 6S R8 145K R9 240K 22u 100V NZ9F24VT5G XLamp MX 6S TL431CDMR2G 100K 22u 100V MRA4004T3G MRA4004T3G XLamp MX 6S 33u 10V NDDOSNS50ZT4G M3 NDDOSN50ZT4G NZ9F24VT5G NSI5 010YT1G Figure 10 Chopper LED Driver with Dimming 85 VAC to 230 VAC example http onsemi com 7 CCRACGEVB APPENDIX A Straight LED Driver Non dimming 120 VAC Example Table 8 PERFORMANCE EVALUATION THD Efficiency Input Power W Tek fButons l AMIS C 1 116 64 1 altace 2 78 855 over 1 Q Resistorivec 44 DF 5124 44 014 CCR Vak Mc 77z2v Ch 1 v Ghz 1007 M t me 12 5 5 50 0 us pt Cha Chig 1007 A Chi 80 0 Figure 11 Bridge Output LED LED Current and CCR Va Waveforms Voltage V i Current A 178 42 Output vs Time 77 84m m esum I I I 4 I I 1 1 15 0 5 25 0 5 Time Vdc 11 027mV Vac 119 993V Vac dc 119 993V Vthd 107 999m Freq 60 0000Hz Idc 1 0216mA lac 47 8454mA lac dc 47 8563mA Ithd 26 7388 Ipeak 74 1325mA Icrest 1 549 DC Pwr 11 265uW AC Pvvr 5 532VV App Pwr 5 742VA React Pwr 1 542VV Pwr Fact 963 293m Total Pwr W Figure 12 Input Current and Voltag
9. application Buyer shall indemnify and hold SCILLC and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part SCILLC is an Equal Opportunity Affirmative Action Employer This literature is subject to all applicable copyright laws and is not for resale in any manner PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT N American Technical Support 800 282 9855 Toll Free ON Semiconductor Website www onsemi com Literature Distribution Center for ON Semiconductor USA Canada P O Box 5163 Denver Colorado 80217 USA Europe Middle East and Africa Technical Support Order Literature http www onsemi com orderlit Phone 303 675 2175 or 800 344 3860 Toll Free USA Canada Phone 421 33 790 2910 K Fax 303 675 2176 or 800 344 3867 Toll Free Japan Customer Focus Center For additional information please contact your local Email orderlit onsemi com Phone 81 3 5817 1050 Sales Representative EVBUM2176 D
10. CCRACGEVB An AC LED Lighting Evaluation Board Using Constant Current Regulators CCR Evaluation Board User s Manual ON Semiconductor http onsemi com EVAL BOARD USER S MANUAL Six Different Circuit Topologies Covering Smallest Bill of Materials to VVidest Input Voltage 12 VAC to 250 VAC Introduction Engineers developing solid state lighting control systems need to balance circuit efficiency power factor PF total harmonic distortion THD total cost of bill of materials BOM and input voltage range to cover large geographic regions and aesthetics to satisfy different customer requirements The CCRACGEVB allows engineers to evaluate six different topologies as they approach this difficult balancing act Dimmer circuit for Straight Input AC Input Bridge Cap Drop 5 fii m lt in The CCRACGEVB see Figure 1 has an input voltage range of 12 VAC to 250 VAC and shovvcases the NSIC20xBT3G series of 120 V CCRs and the NS150150 150 350 mA Adjustable CCR It has circuit topologies for Straight LED Driving Capacitive Drop LED Driving and Chopper LED Driving all vvith and vvithout dimming by typical triac dimmers t has a simple current inrush limiting circuit to suppress the impact of initial high inrush currents and power spikes Chopper az a P HIGH VOLTAGE A CCRs Inrush Current Limiter Dimmer circuit for Chopper and Cap Figu
11. SOQON DIMMABLE WW Figure 16 Straight LED Driver Non dimming w Cap Circuitry Flow 120 VAC http onsemi com 11 CCRs CCRACGEVB APPENDIX C Table 10 PERFORMANCE EVALUATION THD Efficiency Input Power W Tek Preview Hi Res 0 c s 30 Jan 13 09 05 44 G Ser Buttons 105 5Y Bridge Output Voltage 1 166 7 DO ar rm 36 95 kaz Ch v L 2007 MA Ums 12 5 55 DU H T miy Ch 2004 A Chi 24 07 Tek Preview Hi Res 0 Acqs 30 Jan 13 10 20 21 WW Buttons 43 51 18 24 43 54 13 33 2 1754 13 25 Ch 2004 Che 100 MA Ums 12 5 5 5 gu ust Gh3 1 l rmi 20 0 A Chi 24 0Y Figure 18 Bridge Output LED LED Current and CCR Vax Waveforms 50 Dimmed http onsemi com 12 CCRACGEVB LED BOARD Sa xiN duie Ty Sox diwety So xw dweqx So xwdweqy s9 xW dweqx 910 ita 9810 610 oza rer d 30ONV S CH so xwdweqx soxKwdweqy so xwdweqy Cem dun S9 XW dweqX jw yeh ws KA KA Hd cta 200 ATHODE ul c o z TO A TO 591 23 62 4G NDDOSNSOZT CHOPPER Sri 88 CCRs azua ul AT OcHINOOLEPTL o M S wv ND n a SS1AFC36ZN lt 8 1 1 2 5 CH b f b Y c Q CS o x x lt N
12. e Waveforms from Power Main http onsemi com 8 CCRACGEVB S9 XiN d ny S9 xW durr1x LED BOARD 3QoH1vo 3QONY S9 XIN duie TX S9 XW 9 sS9 XW due TX SLAPZ462N L 60 m 3001 0 0 CHOPPER OCHNOOLCPTL OSLAPTABZN uw m i WAS NO a o 63 ocam x 221 5 NI o 2 p a lt ey o n Sr 1Z0SNSOQGN 5 P a e 050 ode o F s N R mz CU 5 2 o UI 3 222 3 c ST E D eo a TD b 3 mx Aosp znz a 5 S 212 ac Q a n AOSF ZnZ lt s m S 5 ww A sa WHI oq S LPOOt V HIN VIN Figure 13 Straight LED Driver Non dimming Circuitry Flow 120 VAC http onsemi com 9 CHOPPER CAP DROP DIMMABLE TP10 TP11 M2 NDDOSN50ZT J20 b CCRs CCRACGEVB APPENDIX B Straight LED Driver Non dimming with Output Capacitor 120 VAC Example Table 9 PERFORMANCE EVALUATION THD Efficiency Input Power W s 9 1 Tek Preview Hi Res 0 Ac z 11 Jan 13 15 15 05 one 132 2 157 4 Ba 44V 52 Abr A2 DV 73 42 Ch 100 Che 1004 WA ms 12 5 5 5 50 0 pat Dh T r Chg 1007 A Chi 30 07 Figure 14 Bridge Output LED LED Current and CCR Vax Wa
13. es LLC SCILLC SCILLC owns the rights to a number of patents trademarks copyrights trade secrets and other intellectual property A listing of SCILLC s product patent coverage may be accessed at www onsemi comy site pdf Patent Marking pdf SCILLC reserves the right to make changes without further notice to any products herein SCILLC makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does SCILLC assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation special consequential or incidental damages Typical parameters which may be provided in SCILLC data sheets and or specifications can and do vary in different applications and actual performance may vary over time All operating parameters including Typicals must be validated for each customer application by customer s technical experts SCILLC does not convey any license under its patent rights nor the rights of others SCILLC products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other applications intended to support or sustain life or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur Should Buyer purchase or use SCILLC products for any such unintended or unauthorized
14. iac Dimming 120 VAC Example To set up the CCRACGEVB for the Cap Drop LED driver dimming topology place Jumpers according to Table 5 Figure 8 depicts the schematic with the evaluation board reference designators Table 5 JUMPERS PLACED ONTO THE EVB Jumpers in Place Reference Data J2 J13 J18 J19 J20 J21 Appendix F J25 J26 This circuit has the addition of a Triac Edge Detect circuit to switch the LED string on and off The circuit is comprised of D5 D6 D10 CCR2 R12 R13 amp M3 The circuit detects the triac waveform and turns the MOSFET M3 on CCR2 provides a basic load to the triac to keep it functioning correctly http onsemi com 5 CCRACGEVB i 4 x Re dd NM Figure 8 Cap Drop LED Driver with Triac Dimming 120 VAC example Chopper LED Driver Topolo Non dimming The Chopper circuit is selected for high efficiency and a wide input voltage range To set up the CCRACGEV B for the Chopper LED driver non dimming topology place jumpers according to Table 6 Figure 9 depicts the schematic with the evaluation board reference designators 85 VAC to 250 VAC Table 6 JUMPERS PLACED ONTO THE EVB Jumpers in Place Reference Data J1 J8 J10 J13 J19 J22 J25 Appendix G J26 The operation of the Chopper circuit can be broken into two sub circuits a simple buck and a straight LED driver with output capac
15. itance The AC is then rectified using an AC bridge D1 D4 A CCR CCR3 4 5 or 6 controls the current through the LED string The Buck circuit is comprised of a voltage divider R8 amp R16 R10 that are used to set the voltage through TL431 that the MOSFET switch M2 turns off When the output from the bridge is below the set voltage M2 is ON and capacitor C7 C8 is charged If the voltage is above the threshold voltage Vf of the LED string then the CCR will limit the current through the LEDs When the voltage is above the set voltage the MOSFET is turned OFF The LEDs then draw current from the charge on capacitor C7 C8 which is limited by the CCR Chopper LED Driver Topolo Triac Dimming This circuit is the same as Figure 9 with the addition of the Triac Dimming Detect circuit as described in the Cap Drop description above Figure 8 To setup the CCRACGEVB for the Chopper LED driver non dimming topology place jumpers according to Table 7 Figure 10 depicts the schematic with the evaluation board reference designators 85 VAC to 250 VAC with Table 7 JUMPERS PLACED ONTO THE EVB Jumpers in Place Reference Data J1 J8 J13 J10 J19 J21 J25 Appendix H J26 http onsemi com 6 CCRACGEVB MRA4004T3G MRA4004T3G 85 230 VAC MRA4004T3G MRA4004T3G XLamp MX 6S R8 145K R9 240K 22u 100V XLamp MX 6S NZ9F24VT5G TL431CDMR2G 100K 22u 100V XLamp MX 6S 33u
16. of the LEDs before they begin to conduct and the CCR regulates the current through them The Ton conduction time 90 calculation for the typical 120 VAC is the following V LEDs Ton 100 1 2 lr ACVin yppeak eq 3 When using 5 x Cree XLamp MX 6S in series providing a VF Tota lLEDs 100 V conduction time equals UN cx _ ER 100 V _ 2 el 2sin T 120 V x ta Design Trade off e The lower the VF Tota Ps Higher Ge Tow conduction time more light output Lower efficiency due to higher power lost across CCR e The higher the Vp zs EDS Higher efficiency due to less power lost across CCR Lower 96 Tow conduction time less light output Straight LED Driver Non dimming with Output Capacitor 120 VAC Example This circuit will have a higher efficiency compared to the straight LED driver To set up the CCRACGEVB for the Straight LED driver non dimming topology with output Capacitor place jumpers according to Table 2 Figure 3 depicts the schematic with the evaluation board reference designators Table 2 JUMPERS PLACED ONTO THE EVB Jumpers in Place Reference Data J1 J10 J13 J18 J19 J20 Appendix B J22 J26 The AC input is rectified using an AC bridge D1 D4 and charges the capacitor C7 amp C8 in series The voltage on the capacitor will be equal to or a little below the peak rectified voltage A CCR CCR3 4 5 or 6 controls the current through the LED string The cha
17. ors Appendix D shows the 120 VAC example and Appendix E provides its 230 VAC counterpart Non dimming 120 amp Table 4 JUMPERS PLACED ONTO THE EVB Jumpers in Place Reference Data J2 J13 J19 J20 J25 J22 J26 Appendix D 120 VAC J2 J13 J19 J20 J22 J24 Appendix E 230 VAC The operation of the Cap Drop circuit is very similar to the straight LED circuit with the advantage of improved efficiency because the AC voltage is reduced to be a little over the forward voltage of the LED string Inrush Current Limiter The Inrush Current Limiter Figure 5 is incorporated to reduce the surge current if power is connected at the peak of the AC input At turn on the 6 8 KQ resistor will limit the current as the Darlington MJB5742 will be off and the 33 uF capacitor will appear as a short As the capacitor charges the Darlington will turn on and provide a low impedance bypass OUT l ANAN IN Figure 5 Inrush Current Limiter http onsemi com 4 CCRACGEVB A 2 P lt Sp K A Figure 6 Cap Drop LED Driver Non dimming 120 VAC example m k z ba em ep x Pi Pi 4 xx K KE x CH SCH x x Figure 7 Cap Drop LED Driver Non dimming 230 VAC example Cap Drop LED Driver Topology with Tr
18. re 1 CCR AC Evaluation Board CCRACGEVB Semiconductor Components Industries LLC 2013 1 July 2013 Rev 0 Publication Order Number EVBUM2176 D CCRACGEVB The CCRACGEVB is set up with multiple jumpers to allow reuse of circuit components in the different topologies There are test points at all the major nodes to enable the collection of circuit performance data and also allow engineers to insert their own components for circuit variations The components for CCRACGEVB were selected to allow evaluation over a large input voltage range Designers should review their specific application requirements and determine if smaller or lower cost parts could be selected in place of those used here The application note is broken up into sections covering the different circuits A brief circuit description for each topology will be provided with the jumpers selected together with data collected at multiple voltages CCRACGEVB Features Input Voltage e 12 VAC to 250 VAC CCRs NSIC2020BT3G 120V 20mA SMB NSIC2030BT3G 120V 30mA SMB NSIC2050BT3G 120V 50mA SMB NSISOISOADT4G 50V 150 350mA DPAK Topologies e Straight No Dimming With Output Capacitance With Triac Dimming e Cap Drop No Dimming With Triac Dimming e Chopper No Dimming With Triac Dimming Inrush Current Limiter LED Board supplied with CCRACGEVB e 10x XLAMP 65 LEDs Figure 2 Straight Non dimmable LED Driver 120 VAC example
19. rge on the capacitor allows the CCR to continue providing current to the LED string when the rectified AC voltage is below the Vr Tota LEDs The Inrush current limiter T1 R2 amp can be employed to limit the inrush current or current spike from a power surge As the capacitor C6 charges T1 will turn on and provide a low impedance bypass This circuit incorporates an additional circuit to provide a minimum load for the Triac dimmer To set up the CCRACGEVB for the Straight LED driver dimming topology place jumpers according to Table 3 Figure 4 depicts the schematic with the evaluation board reference designators Table 3 JUMPERS PLACED ONTO THE EVB Jumpers in Place Reference Data J1 J7 J13 J15 J16 J18 J20 Appendix C J22 J26 This circuit comprises R3 R7 R17 CCR1 M1 O1 and DS The selection of R3 4 and the value of R7 are based on the Triac dimmer The selection of R3 amp R4 in parallel 5 0 K 2 and R7 amp R17 in series 50 2 have produced good results http onsemi com CCRACGEVB WM Figure 4 Straight Dimmable LED Driver 120 VAC example Cap Drop LED Driver Topolo 230 VAC Example The Cap Drop circuit is selected for high efficiency and a low BOM cost To set up the CCRACGEVB for the Cap Drop LED driver non dimming topology place jumpers according to Table 4 Figure 6 amp Figure 7 depict the schematics with the evaluation board reference designat
20. veforms Voltage V Current 178 47 Output vs Time 318 91m 212 61m 106 30m 106 30m 212 61m L 0 1 I 1 I 1 1 I 1 1 d 1 1 1 1 1 318 91m 1 5 Vdc 9 471mV Vac 119 994V Vac dc 119 994 Vihd 106 111 Freq 60 0000Hz Idc 1 0006mA lac 90 3675mA lac dc 90 3730mA Ithd 65 9197 Ipeak 321 1450mA crest 3 554 DC Pwr 9 477uW AC Pvvr 6 876VV App Pwr 10 844VA React Pwr 8 385VV Pwr Fact 634 102m Total Pwr W Figure 15 Input Current and Voltage Waveforms from Power Main http onsemi com 10 5 9 8 S9 X N due TX CCRACGEVB S9 Xiyi due S9 X N die TX So xIW dweqy LED BOARD KA 910 3QONY e S9 X N duie TX Ha MRA4004T3G CAP DROP S9 xW duie TX MRA4004T3G D1 we 140 940 610 oza J26 S9 XVN dweqjX S9 xW s99 xIN Lo mam vu va 20 c q a P lt Q o 30ZT4G 5 NDDOSN CHOPPER SCHMWOOLEF UI e m OS LAPZI6ZN lt 2 Q Et c o A Q ESCH CA E lt v v ES d 5 o JCLA T SISN 3 L nas 2 si n 9 d 2 E d E g gt u r 2 2 2 9 D e 2 Qc EN SQ SELOP YHN 90 OE LPOOPVHIN om SSLArFZ36ZN NN ND amp g Z SN
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