UM10848 - NXP Semiconductors
Contents
1. EM Sen VBUS 3 3 mH Po R3 E5 R1 E4 180 KQ O L 3300 L xt SW c1 c2 run 1715022 47nF 47nF Ee ot 1 400 V 400 V SPU02N60C3 2 ae R4 275V 180 kQ U 230 V AC in E6 R2 2 f O N 3300 N E10 N o 2W R23 Bis 910 kQ No DEMOVP 1 e 3 4 R22 C55 t ki 27 KQ 47 nF p 34 D2 ati ESM E4 E8 WIRE c4 C20 R5 R6 R7 x2 z22yF 2 2 uF 5 6 kQ 150 kQ 1715022 50 V 63V 820 close TE to pin 150 kQ C56 68 pF R8 XIL2 100 V 160kQ 2 4 7 mH VLED GND E3 WIRE E7 4 E O O P P Fig 14 SSL5231DB1242 modified schematic for reduced BOM and improved EMI aaa 015946 pieog OWASP 49AUp Q31 M t A OEZ cvcrFgHalcecs ISS 8r80 LNN SJo0jonpuoolul9S dXN NXP Semiconductors UM10848 11 BOM for improved EMI and BOM cost reduction SSL5231DB1242 230 V 4 W LED driver demo board Table3 SSL5231DB1242 modified demo board bill of materials Reference Description and values Part number Manufacturer BD1 bridge rectifier 1000 V 500 mA MD5S Rectron C1 C2 capacitor 47 nF 5 96 400 V PET THT CL21 400V 0 047yF K AIDI C4 capacitor 2 2 uF 10 96 50 V X7R 0805 C2012X7R1H225K125AC TDK C20 capacitor 2 2 uF 10 96 6 3 V X7R 0603 C1608X7R0J225K080AB TDK C55 capacitor 47 nF 10 96 50 V XR 02. M M X2 1715022 1 2 VLED 90 V aaa 015503 pieog OWASP 1AP AJT M t A OEZ cvcrFHalrecs ISS 8r80 LNN SIOJONPUODIWIS dXN NXP Semiconductors UM10848 8 Bill Of Materials BOM SSL5231DB1242 230 V 4 W LED driver demo board Table 2 SSL5231DB1242 bill of materials Reference Description and values Part number Manufacturer BD1 bridge rectifier 1000 V 500 mA MD5S Rectron C1 C2 capacitor 47 nF 5 96 400 V PET THT CL21 400V 0 047U0F K AIDI C4 capacitor 2 2 uF 10 96 50 V X7R 0805 C2012X7R1H225K125AC TDK C20 capacitor 2 2 uF 10 96 6 3 V X7R 0603 C1608X7R0J225K080AB TDK C55 capacitor 47 nF 10 96 50 V XR 0603 C56 capacitor 68 uF 20 96 100 V ALU 1002LJ68M8X20 Rubycon 8 mm x 20 mm C57 capacitor 22 pF 10 96 50 V XR 0603 D1 D20 diode 100 V 250 mA BAS316 NXP Semiconductors D2 diode 600 V 1A ES1J Fairchild F1 fuse slow blow 250 V AC 1A MCPMP 1A 250V Multicomp L1 inductor 3 3 mH 100 mA 22R335C Murata L2 inductor 4 7 mH 10 96 0 11 A 744731472 W rth Elektronik Q1 MOSFET N 650 V 1 8 A SPUO2N60C3 Infineon R1 R2 resistor 330 Q 5 96 2 W MFP2 MFP2 330RJl Welwyn Components R3 R4 resistor 180 kQ 1 96 250 mW 1206 R5 resistor 8 2 Q 1 96 63 mW 0603 R6 resistor 5 6 kQ 1 96 63 mW 0603 E R7 resistor 150 kQ 1 96 250 mW 1206 R8 resistor 160
3. 2015 All rights reserved User manual Rev 1 2 25 March 2015 17 of 18 NXP Semiconductors UM10848 15 Contents SSL5231DB1242 230 V 4 W LED driver demo board 10 1 11 12 13 14 14 1 14 2 14 3 15 Introduction lesen 3 EeatUreS sisse RE Nace rite ecd usis 3 Safety warning eseeessesse 4 Specifications 0 00 e eee eee eee 4 Board photographs 5 Functional description 6 Input filtering llle 6 Efficiency improvement for universal mains 6 Output open and output short protection 6 Performance 00 cece eee eee 7 EMGCIONCY cuerno RER eS odes 7 Power factor 00 0 00 cee eae eee 8 Line regulation 0 0 e eee eee 8 Load regulation eee eee 9 Output ripple 0 00 eee eee eee 9 ElectroMagnetic Interference EMI 10 Schematic 0 cece cece eee 11 Bill Of Materials BOM 12 Board layout 2 0 00 cece eee eee 13 Errata for improved EMI and BOM cost reduction 2 cece eee eee eee 14 Schematic for improved EMI and BOM cost teductlon i2 ed pP ER ees 15 BOM for improved EMI and BOM cost reduction 2 2 sunu ah rre 16 Abbreviations leeren 16 References 0 c eee eee eee 16 Legal information Less 17 Definitions isle 17 Disclaimers as asenaan maa ngk eaii 17 Tradema
4. 1242 230 V 4 W LED driver demo board 14 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 14 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 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 cumul
5. 15 All rights reserved User manual Rev 1 2 25 March 2015 7 of 18 NXP Semiconductors UM10848 UM10848 SSL5231DB1242 230 V 4 W LED driver demo board 6 2 Power factor 0 96 aaa 015497 PF 0 93 0 9 0 87 0 84 0 81 0 78 170 190 210 230 Fig 5 Power factor as a function of Vmains 250 270 Vmains V 6 3 Line regulation 40 aaa 015499 ILED mA 38 36 34 32 30 200 210 220 230 Fig 6 Line regulation 250 260 Vmains V All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 2 25 March 2015 8 of 18 NXP Semiconductors U M1 0848 SSL5231DB1242 230 V 4 W LED driver demo board 6 4 Load regulation 015500 40 aaa ILED mA 38 36 34 32 30 70 75 80 85 90 95 100 ViED V Fig 7 Load regulation 6 5 Output ripple 015501 30 aaa ILED ripple 25 EE e 20 15 10 170 190 210 230 250 270 Vmains V Fig 8 Output ripple as a function of V mains UM10848 All information provided in t
6. 603 C56 capacitor 68 uF 20 96 100 V ALU 1002LJ68M8X20 Rubycon 8 mm x 20 mm D2 diode 600 V 1A ES1J Fairchild L1 inductor 3 3 mH 100 mA 22R335C Murata L2 inductor 4 7 mH 10 96 0 11 A 744731472 W rth Elektronik Q1 MOSFET N 650 V 1 8A SPUO2N60C3 Infineon R1 R2 resistor 330 Q 5 96 2 W MFP2 MFP2 330RJl Welwyn Components R3 R4 resistor 180 kQ 1 96 250 mW 1206 R5 resistor 8 2 Q 1 96 63 mW 0603 R6 resistor 5 6 kQ 1 96 63 mW 0603 3 R7 resistor 150 KQ 1 96 250 mW 1206 R8 resistor 160 kO 1 96 250 mW 1206 R20 R21 resistor 1 3 MO 1 96 250 mW 1206 R22 resistor 27 KQ 1 96 63 mW 0603 z R23 resistor 910 kQ 1 96 63 mW 0603 R25 resistor 150 kQ 1 956 63 mW 0603 2 RV1 resistor VDR 275 V 36 J VDRS07H275BSE Vishay U1 IC buck boost LED driver SSL5231T SSL5231T NXP Semiconductors 12 Abbreviations Table 4 Abbreviations Acronym Description EMI ElectroMagnetic Interference LED Light Emitting Diode OCP OverCurrent Protection OTP OverTemperature Protection PF Power Factor SSL Solid State Lighting 13 References UM10848 1 SSL5231T data sheet Compact high power factor dimmable LED driver IC All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 2 25 March 2015 16 of 18 NXP Semiconductors UM10848 14 Legal information SSL5231DB
7. 848 SSL5231DB1242 230 V 4 W LED driver demo board 5 Functional description UM10848 5 1 5 2 Input filtering Capacitors C1 and C2 and inductor L1 see Figure 10 filter the switching current from the buck boost converter to the mains AC Capacitors C1 and C2 also provide a low impedance path for the converter output switching current The input series resistance of 660 Q and capacitor C1 provide adequate protection against transient surge voltages Efficiency improvement for universal mains The supply current for the SSL5231DB1242 demo board is supplied by resistors R3 and R4 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 preventing lamp flicker when the mains voltage is increased or decreased slowly This mechanism also increases the dimming performance Figure 3 shows the basic behavior Vstartup t l CC startup Y ICC oper Y VGATE LEE LLL aaa 014941 Fig3 Start up current waveform 5 3 Output open and output short protection The driver board is protected when the LED load is accidentally left open When the LED load is accidentally left open the output voltage increases When the OverVoltage Protection OVP level is reached on the DEMOVP pin the OVP protection is triggered OVP is a non latched protection It recover
8. aluation 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 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 exclusion
9. ative 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 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 Semicon
10. ductors 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 UM10848 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 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 ev
11. e 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 This user manual describes the operation of the SSL5231DB1242 dual demo board The demo board features the MOSFET driver controller SSL5231T in a 230 V 4 W non isolated buck boost dimmable LED driver application The SSL5231DB1242 single demo board is designed for driving LED loads with 90 V nominal voltage and 4 W input power The PCB dimensions are compatible with candle form applications The SSL5231DB1242 demo board provides a simple and highly efficient solution for Solid State Lighting SSL applications 1 1 Features UM10848 Candle form applications Supports most available leading edge and trailing edge dimmers Deep dimming level Flicker free dimming Open short LED string protection OverCurrent Protection OCP OverTemperature Protection OTP PF gt 0 86 Efficiency gt 75 at 230 V AC input Compliant with IEC61000 3 2 harmonic standard Compliant with EN55015 conducted EMI All information provided in this document is subject to lega
12. f the board Further investigation shows that even with a reduced BOM Bill of Material major behavior improvements for EMC compliance without shielding can be achieved To reduce cost the design and the board can be modified see Figure 14 Table 3 shows the BOM of the modified schematic and improved EMI Modifications for the modified schematic and improved EMI Remove fuse F1 Move resistor R1 to the footprint of F1 Short the footprint of resistor R1 using a wire Remove diode D1 Remove diode D20 Replace the current resistor R24 220 Q by a 0 resistor or a wire Remove capacitor C57 Figure 13 shows the improved conducted EMI result of the SSL5231DB1242 demo board with the modifications indicated above No other side effects have been found 20 aaa 015945 Fig 13 Improved conducted EMI All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 2 25 March 2015 14 of 18 jenuew 14osf GLO Ye SC ZL 9H sieuire osip ea 0 joefqns s jueuunoop siu ui pepi oid uoneuuojul y 8L Jo SL 87801IAn pamasa Syu Iv S LOZ AN SJojonpuoorues dXN 10 1 Schematic for improved EMI and BOM cost reduction Li
13. his document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 2 25 March 2015 9 of 18 NXP Semiconductors U M1 0848 SSL5231DB1242 230 V 4 W LED driver demo board 6 6 ElectroMagnetic Interference EMI Figure 9 shows the conducted EMI result of the SSL5231DB1242 demo board Att 10 M il HT Ti ny LI r ann ii E i D ly LH 1 k i LI ill iil Uu n FL lll lll aaa 015502 Fig 9 Conducted EMI UM10848 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 2 25 March 2015 10 of 18 jenuew 14osf GLO Ye SC C I 9H sieuirejosip Jeba oj joefqns s jueuunoop siu ui pepi oid uoneuuojul y 8L JO LL 8v801IAn pamasa Syu Ily S LOZ A N SJoronpuoorues dXN 7 Schematic L1 L DEMOVP 1 6 3 Ea ee 3 3 mH E9 5 180 kQ D1 R20 BAS316 X1 C1 C2 1715022 47nF 47 nF 1 3 MQ la 1 400V 400V R24 27s a 2200 275V 180 KQ R21 230 V AC a a 5 E6 R2 E2 R1 ia toL 2170 T 3 4 E10 N 3300 N 3300 ami 2W 2W E126 R22 27 KQ Fig 10 SSL5231DB1242 demo board schematic diagram Q1 SPUO2N60C3 E4 wIRE E8 O
14. kQ 1 96 250 mW 1206 R20 R21 resistor 1 3 MQ 1 956 250 mW 1206 R22 resistor 27 KQ 1 96 63 mW 0603 R23 resistor 910 kQ 1 96 63 mW 0603 z R24 resistor 220 1 95 63 mW 0603 R25 resistor 150 kQ 1 956 63 mW 0603 2 RV1 resistor VDR 275 V 36 J VDRS07H275BSE Vishay U1 IC buck boost LED driver SSL5231T SSL5231T NXP Semiconductors UM10848 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 2 25 March 2015 12 of 18 NXP Semiconductors U M1 0848 SSL5231DB1242 230 V 4 W LED driver demo board 9 Board layout aaa 015504 aaa 015505 a Top view b Bottom view Fig 11 SSL5231DB1242 demo board layout a8a 015507 a Top view b Bottom view Fig 12 SSL5231DB1242 demo board component placement UM10848 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 2 25 March 2015 13 of 18 NXP Semiconductors U M1 0848 SSL5231DB1242 230 V 4 W LED driver demo board 10 Errata for improved EMI and BOM cost reduction UM10848 All measured data given in this user manual is based on the schematic Figure 10 and the current mounted demo board SSL5231DB1242 It shows that EMC compliance for the current setup can only be achieved by the complete shielding o
15. l disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 2 25 March 2015 3 of 18 NXP Semiconductors UM10848 2 Safety warning SSL5231DB1242 230 V 4 W LED driver demo board The demo board input is connected to the 230 V AC mains supply Avoid touching the board while it is connected to the mains voltage and when it is in operation An isolated housing is obligatory when used in uncontrolled non laboratory environments Galvanic isolation from the mains phase using a fixed or variable transformer is always recommended Figure 1 shows the symbols on how to recognize these devices Fig 1 OlO 019aab173 a Isolated Isolation symbols b Not isolated 019aab174 3 Specifications Table 1 lists the specification of the SSL5231DB1242 demo board Table 1 SSL5231DB1242 specifications Symbol Parameter Value V mains AC mains supply voltage 230 V AC 10 Pin input power 4W ViED output voltage 90 V ILED output current x37 mA ILED ripple output current ripple 25 100 Hz AliED AVmains line regulation 3 at Vmains 207 V to 253 V AliEp AVLED load regulation 5 96 at Vi gp 15 96 to 7 7 96 n efficiency 75 96 at 230 V AC 50 Hz PF power factor gt 0 86 at 230 V AC 50 Hz Toper operating temperature 40 C to 105 C board dimensions 60 mm x 40 mm conduc
16. rks nnna nananana 17 Contents i e raum o 18 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 www nxp com For sales office addresses please send an email to salesaddresses nxp com Date of release 25 March 2015 Document identifier UM10848
17. s 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 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 14 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
18. s when the LED string is reconnected Resistors R6 R7 and R8 determine the OVP level An output capacitor C56 voltage rating higher than the DC level which occurs when the LED load is accidentally left open must be ensured The measured OVP level is about 99 V All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 2 25 March 2015 6 of 18 NXP Semiconductors U M1 0848 SSL5231DB1242 230 V 4 W LED driver demo board Remark Do not reconnect the LED string directly after an OVP condition because it can permanently damage the LEDs Switch off the mains and wait until the output capacitor is discharged When the LED driver output of the board is shorted the maximum ISNS voltage limits the primary converter current The converter frequency drops to its absolute minimum This mode is very safe The input power is very limited 6 Performance During performance tests Vins 230 V AC with a 20 96 margin Tamb 25 C li gp 37 4 mA typical and Vi gp 90 V unless otherwise specified 6 1 Efficiency 80 Bou uec i 75 70 65 60 55 50 170 190 210 230 250 270 Vmains V Fig 4 Efficiency as a function of V mains UM10848 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 20
19. ted 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 for gt 2 lamps dimmer UM10848 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 2 25 March 2015 4 of 18 NXP Semiconductors U M1 0848 SSL5231DB1242 230 V 4 W LED driver demo board 4 Board photographs Figure 2 shows the top view and bottom view of the SSL5231DB1242 demo board The board has been designed as a dual board For dimmer tests it is assumed that at least two lamps of 4 W are connected to one dimmer However the board can also be tested separately by removing the blue jumpers which can be seen in Figure 2 a At the left connector of the board Figure 2 a the AC mains 230 V must be added At the right connector the LED load 90 V must be connected The inner part of the board can be taken out It has a diameter of 28 mm which fits in a candle lamp SSL5231DB1242 aaa 015495 a Top view b Bottom view Fig 2 SSL5231DB1242 dual demo board photographs UM10848 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 2 25 March 2015 5 of 18 NXP Semiconductors U M1 0
20. za UMi10848 pim SSL5231DB1242 230 V 4 W non isolated buck boost candle form dimmable LED driver dual demo board Rev 1 2 25 March 2015 User manual Document information Info Content Keywords SSL5231DB1242 SSL5231T non isolated buck boost topology LED driver controller external MOSFET switch dimmable candle form applications SO8 package Abstract This user manual describes the performance technical data and the connection of the SSL5231DB1242 dual demo board The demo board uses non isolated buck boost topology This SSL5231DB1242 dual demo board is designed for dimmable candle form applications It operates at 230 V AC with an output voltage of approximately 90 V NXP Semiconductors UM10848 Revision history SSL5231DB1242 230 V 4 W LED driver demo board Rev Date Description v 1 2 20150325 updated issue v 1 1 20150119 updated issue v 20141024 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 UM10848 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 2 25 March 2015 2 of 18 NXP Semiconductors U M1 0848 1 Introduction SSL5231DB1242 230 V 4 W LED driver demo board WARNING A A Lethal voltag
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