UM10861 SSL5231DB1246 230 V/10 W buck
Contents
1. UM10861 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 4o0f 19 NXP Semiconductors U M1 0861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 4 Board photographs UM10861 Figure 2 shows the top view and bottom view of the SSL5231DB1246 demo board At the left side connector of the board Figure 2 a the AC mains 230 V must be connected At the right connector the LED load 60 V must be connected The inner part of the board can be broken out and has an A19 lamp form factor aaa 016237 a Top view orn OP PE pwn eo taiea an OA 231081246 9 VOW aaa 016238 b Bottom view Fig 2 SSL5231DB1246 demo board photographs All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 5 of 19 NXP Semiconductors U M1 0861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 5 Functional description 5 1 5 2 Input filtering The mains input circuitry see Figure 10 filters the switching current from the buck boost converter to the mains AC To meet the audible noise requirements and to be able to connect the required lamps per dimmer the mains input circuits limits the inrush current A provision has been added2. 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 UM10861 All information provided in this document is subject to legal disclaimers NXP Semiconductors does not accept 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 i
3. 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 13 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 15 January 2015 18 of 19 NXP Semiconductors UM10861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 14 Contents 10 11 12 13 13 1 13 2 13 3 14 Introduction 2 00 e eee eee eee 3 FeatureS e a eee 3 Safety warning 00 cece eee eee eee 4 Specifications 00 e eee eee eee 4 Board photographs 220 20005 5 Functional description 000005 6 Input filtering 00 000 6 Efficiency improvement for universal mains 6 Deep dimming improvement 6 Output open and output short protection 7 ElectroMagnetic Interference EMI precautions 7 Performance 20 ee rece eee e ee eeee 8 EMCIONCY s e soraio pee edb h eed eae 8 Power factor 0 200 cee eee eee
4. marked with a dot on the coil and the schematic must be connected to the switching side of the converter In this case it must be connected to the IC ground The outer part of the winding acts as a shield for the inner part of the winding which is operated at a high frequency and a high voltage The inductor shields itself by the outer part of the winding e Filter inductor L3 The start of the winding which is the wire closest to the core marked with a dot on schematic and with shortest connection lead on the coil must be connected to the bridge rectifier The outer part of the winding shields the inner part of the winding e Filter inductors L1 and L2 The start of the winding which is the wire closest to the core marked with a dot on the schematic and with the shortest connection lead on the coil must be connected to the input resistors R2 and R1 The outer part of the windings of inductors L1 and L2 shields the inner part of the corresponding windings See Figure 2 a for the orientation of the coils All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 7 of 19 NXP Semiconductors UM1 0861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 6 Performance During performance tests Vmains 230 V AC with a 20 margin Tamb 25 C ILED 140 mA typical and V_ep 60 V unless otherwi
5. 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 critical 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
6. to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 14 of 19 NXP Semiconductors U M1 0861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 10 Board layout Figure 13 shows the top view and the bottom view of the SSL5231DB1246 demo board layout Figure 14 shows the component placement aaa 016248 a Top view Q ara T 5 fae ca _ 10a z 3 sh ied Bae a 2 a ze tra Fiii S x 2 tu Lik rn td gt pi 4 a z eG my oz Svs ABS ISGIES J22 d V 20 waa 016249 b Bottom view Fig 13 SSL5231DB1246 demo board layout UM10861 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 15 of 19 NXP Semiconductors UM10861 UM10861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver a Top view aaa 016250 b Bottom view Fig 14 SSL5231DB1246 demo board component placement a nanea All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 16 of 19 NXP Semiconductors U M1 0861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 11 Abbreviations Table 4 Abbreviati
7. 02000202701JR500 Vishay R25 resistor 330 Q 1 63 mW 0603 z R26 resistor 5 6 Q 1 63 mW 0603 R27 resistor 5 6 Q 1 250 mW 1206 RV1 resistor VDR 275 V 36 J VDRS07H275BSE Vishay U1 DimIC SSL5231T SSL5231T NXP Semiconductors UM10861 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 13 of 19 NXP Semiconductors U M1 0861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 9 Board modifications for improved performance and reduced BOM cost After the first board definition realization and the current schematic an optimization has happened concerning the performance and the BOM cost In the current board some component numbers and places are reserved which are not used in current optimized schematic Table 3 shows an overview of the skipped components with the corresponding remarks Table 3 Board modification for improved performance and cost reduction Part reference Remark C8 not mounted C10 not mounted C11 not mounted CX1 not mounted D1 not mounted D2 not mounted D4 not mounted Q2 not mounted R18 Shorted by wire or 0 Q resistor R19 not mounted R20 not mounted R21 not mounted R28 Shorted by wire or 0 Q resistor R29 Shorted by wire or 0 Q resistor UM10861 All information provided in this document is subject
8. 8 Line regulation 0 0 c eee eee 9 Load regulation a na aaau 9 Output ripple oa onnaa aaa 10 ElectroMagnetic Interference EMI 10 Schematics 2 000000 eee0sneeeeus 11 AC mains input part 005 11 Converter part a n anaana 00 e eee ee ee 11 Secondary side bleeder 12 Bill Of Materials BOM 05 13 Board modifications for improved performance and reduced BOM cost 14 Board layout 2 0 00 cece eee eee 15 Abbreviations 000 cece eee eee 17 References 00 cece eee eee eens 17 Legal information 00 eeeeeeee 18 Definitions 0200002 eee eee 18 Disclaimers 00020 0c eee eee eee 18 Trademarks 00002 000 eee eee 18 Contents 02256520002 nee eee cree cee 19 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 All 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 15 January 2015 Document identifier UM10861
9. G18 aw pii c2 c3 c4 10nF 150 nF 22 nF E6 U 400 V 400 V 400 V AWG18 L2 R6 E2 R2 3 3 mH 2709 AWG18 100 eS 2W ONN Fusistor LK LEDP R4 4 7 kQ aaa 016245 Fig 10 AC mains input part 7 2 Converter part VBUS gt R7 Fk ee 180 KO i SPU02N60C3 ga R8 180 kQ DIM DEMOVP COMP vcc SSL5231T VCC R12 910 KQ Ki D3 __ _ ES1J C6 c5 C7 2 2uF 22pF 47 nF 6 3V 50 V I 50 V T _ lt LEDM c9 R17 L4 220 uF 160 kQ 1 5mH 100 V LEDP LEDP aaa 016246 Fig 11 Converter part UM10861 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 NXP Semiconductors UM10861 UM10861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 7 3 Secondary side bleeder LEDP Q3B FMBM5551 Q3A FMBM5551 R25 R26 330 Q LEDM 4 Fig 12 Secondary side bleeder aaa 016247 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 12 of 19 NXP Semiconductors UM10861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 8 Bill Of Materials BOM Table 2 SSL5231DB1246 bill of ma
10. SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver demo board Rev 1 15 January 2015 User manual SEE UM10861 pR Document information Info Content Keywords SSL5231DB1246 SSL5231T non isolated buck boost topology LED driver controller external MOSFET switch A19 lamp shape dimmable applications SO8 package Abstract This user manual describes the performance technical data and the connections of the SSL5231DB1246 demo board using a non isolated buck boost topology The SSL5231T SO8 package is used as driver controller IC The SSL5231DB1246 demo board is designed for dimmable A19 lamp shape applications It operates at 230 V AC with an output voltage approximately 60 V NXP Semiconductors U M1 0861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver Revision history Rev Date Description v 1 20150115 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 UM10861 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 2 of 19 NXP Semiconductors U M1 0861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 1 Introduction WARNING Lethal voltage and fire ignition hazard The non insulated hi
11. ally left open the output voltage increases When the OverVoltage Protection level is reached on the DEMOVP pin the OVP protection is activated This OVP protection OVP is a non latched protection It recovers when the LED string is reconnected Resistors R15 R16 and R17 determine the OVP level The voltage rating of output capacitor C9 and C10 must be higher than the DC level which occurs when the LED load is accidentally left open The measured OVP level is about 99 V Remark Do not reconnect the LED string directly after an OVP condition It can permanently damage the LEDs Switch off the mains and wait until the output capacitor is discharged During an output short circuit the maximum ISNS voltage limits the primary converter current The converter frequency drops to its absolute minimum This mode is safe and the input power is low It is valid when the short happens before the mains supply is activated When the short happens during normal operation components R25 R26 R27 and Q3 of the secondary side bleeder see Figure 12 break safely before the converter frequency drops to its absolute minimum By adding diode D4 1N4148 in parallel to R27 the save mode is entered without damaging mentioned components ElectroMagnetic Interference EMI precautions For optimal EMI performance the way of mounting of L1 L2 L8 and L4 are important e Buck boost inductor L4 The start of winding which is the wire closest to the core
12. eserved User manual Rev 1 15 January 2015 3 of 19 NXP Semiconductors UM10861 2 Safety warning SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver The board must be connected to the mains voltage Avoid touching the board during operation 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 1 shows the symbols on how to recognize these devices OlO 019aab173 019aab174 a Isolated b Not isolated Fig 1 Isolation symbols 3 Specifications Table 1 SSL5231DB1246 specifications Symbol Parameter Value Vmains AC mains supply voltage 230 V AC 10 Pin input power 10 W VLED LED output voltage 60 V ILED LED output current 140 mA ILED ripple LED output current ripple lt 25 100 Hz AlLED AV mains line regulation lt 3 Vmains 10 AlLeD AVLED load regulation 5 at Viep 15 n efficiency 85 at 230 V AC 50 Hz PF power factor gt 0 75 at 230 V AC 50 Hz Toper operating temperature 40 C to 105 C board dimensions 90 mm x 40 mm conducted ElectroMagnetic Interference EMI EN55015 IEC61000 3 2 Class D for Pin lt 25 W limit dimmer compatibility stable light output above on off point 80 dimmer compatibility
13. for improved dimmer triac latching Efficiency improvement for universal mains Resistors R7 and R8 supply the current for the SSL5231T see Figure 11 the IC draws an additional start up current lcc startup just before VCC reaches the start up voltage level Vstartup The supply current in operation is therefore lower than during start up conditions It prevents lamp flicker when the mains voltage is increased or decreased slowly This mechanism in combination with an efficiency improvement increases the dimming performance Figure 3 shows the start up current waveform Vstartup _ Vdelta VCC l CC startup ICC oper y VGATE ULL aaa 014941 Fig 3 Start up current waveform 5 3 Deep dimming improvement UM10861 To improve the deep dimming performance a secondary side bleeder circuit has been added see schematic in Section 7 3 When the LED current lowers during dimming a part of the LED output current is shunted via resistors R23 and R24 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 6 of 19 NXP Semiconductors U M1 0861 5 4 5 5 UM10861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver Output open and output short protection The driver board is protected when the LED load is accidentally left open When the LED load is accident
14. gh 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 This user manual describes the operation of the SSL5231DB1246 demo board featuring the MOSFET driver controller SSL5231T The SSL5231DB1246 demo board is a 230 V 10 W non isolated buck boost dimmable LED driver application The SSL5231DB1246 demo board is designed for driving LED loads with a nominal voltage level of 60 V and 10 W input power The SSL5231DB1246 demo board provides a simple and highly efficient solution for Solid State Lighting SSL applications 1 1 Features e A19 form factor applications e Supports most available leading edge and trailing edge dimmers e Deep dimming level e Flicker free dimming e Open short LED string protection e OverCurrent Protection OCP e OverTemperature Protection OTP e Power Factor PF gt 0 75 e Efficiency gt 85 at 230 V AC input e Compliant with IEC61000 3 2 harmonic standard e Compliant with EN55015 conducted EMI UM10861 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights r
15. hts reserved User manual Rev 1 15 January 2015 9 of 19 NXP Semiconductors UM10861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 6 5 Output ripple ripple Fig 8 25 aaa 016243 20 0 170 Output ripple as a function of mains voltage 190 210 230 270 50 Vmains V 6 6 ElectroMagnetic Interference EMI Figure 9 shows the conducted EMI result of the SSL5231DB1246 demo board Fig 9 Conducted EMI Marker 1 72 J Ec 24 aBuv 23 28 0000000 xe TE ks F piii San T N TNR i AR E W YIAN T T EE EN EL LN 5 SS Sass a St ey a SS To TL o aml i E H ii H F NI Ke i 5S He aaa 016244 UM10861 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 10 of 19 NXP Semiconductors UM10861 7 Schematics SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 7 1 AC mains input part L1 L3 R1 3 3 mH 2 2 mH 100 230 VAC EN t gt VBUS L E1 Fusistor L Ki AWG18 R3 R5 1715022 E5 4 7 KQ 270Q AW
16. ons Acronym Description EMI ElectroMagnetic Interference LED Light Emitting Diode OCP OverCurrent Protection OTP OverTemperature Protection PF Power Factor SSL Solid State Lighting 12 References 1 SSL5231T data sheet Compact High Power Factor Dimmable LED driver IC UM10861 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 17 of 19 NXP Semiconductors UM10861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 13 Legal information 13 1 Definitions Draft The document is a draft version only The content is still under internal review and subject to formal approval which may result in modifications or additions NXP Semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information 13 2 Disclaimers Limited warranty and liability Information in this document is believed to be accurate and reliable However NXP Semiconductors does not give any representations or warranties 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
17. s 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 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 warrant
18. se specified 6 1 Efficiency 100 aaa 016239 n 90 80 70 60 50 170 190 210 230 250 270 Vmains V Fig 4 Efficiency as a function of mains voltage 6 2 Power factor aaa 016240 PF 0 95 0 9 0 85 0 8 170 190 210 230 250 270 Vmains V Fig 5 Power factor as a function of mains voltage UM10861 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 15 January 2015 8 of 19 NXP Semiconductors UM10861 SSL5231DB1246 230 V 10 W buck boost dimmable A19 LED driver 6 3 Line regulation 150 ILED mA 140 130 120 110 100 aaa 016241 200 210 220 230 240 250 260 Vmains V Fig 6 LED output current as a function of mains voltage 6 4 Load regulation 150 ILED mA 140 130 120 110 100 aaa 016242 50 55 60 65 70 VED V Fig 7 LED output current as a function of LED output voltage UM10861 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rig
19. terials Reference Description and values Part number Manufacturer BD1 bridge rectifier 1000 V 500 mA MD5S Rectron C2 capacitor 10 nF 5 400 V PET THT ECQE4103JF Panasonic C3 capacitor 150 nF 5 400 V PP THT ECW F4154JL Panasonic C4 capacitor 22 nF 5 400 V PET THT ECQE4223JF Panasonic C5 capacitor 2 2 uF 10 50 V X5R 0805 C2012X7R1H225K125AC TDK C6 capacitor 2 2 uF 10 6 3 V X7R 0603 C1608X7ROJ225K080AB TDK C7 capacitor 47 nF 10 50 V X7R 0603 l c9 capacitor 220 uF 20 100 V ALU ECA2AM221 Panasonic THT D3 diode 600 V 1 A ES1J Fairchild L1 L2 L3 inductor 3 3 mH 100 mA 22R335C Murata L4 inductor 1 5 mH 10 260 mA 2 8 Q ELC10E152L Panasonic Q1 MOSFET N 650 V 1 8 A SPU02N60C3 Infineon Q3 AB transistor NPN 160 V 600 mA FMBM5551 Fairchild R1 R2 resistor 10 Q 10 2 W THT EMC2 10RK Welwyn Components R3 R4 resistor 4 7 KQ 1 250 mW 1206 7 R5 R6 resistor 270 Q 5 2 W MFP2 MFP2 270R Jl Welwyn Components R7 R8 resistor 180 kQ 1 250 mW 1206 R9 R10 resistor 1 3 MQ 1 250 mW 1206 5 R11 resistor 27 KQ 1 63 mW 0603 R12 resistor 910 KQ 1 63 mW 0603 R13 resistor 3 9 Q 1 250 mW 1206 R14 resistor 5 6 Q 1 250 mW 1206 R15 resistor 5 6 KQ 1 100 mW 0805 R16 resistor 150 kQ 1 250 mW 1206 R17 resistor 160 kQ 1 250 mW 1206 R22 resistor 51 KQ 1 250 mW 1206 R23 R24 resistor 2 7 KQ 5 2 W ROX PR
20. y 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 or 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
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