UM10589 - NXP Semiconductors
Contents
1. F1 R1 LT BD4 05mA 820 MB6S 250V 1W 4 3 E L1 230 V AC movi aom US1M m Ci C3 N R4 2 150 nF 47 nF C 450 V 450 V 820 1W L D3 M7 R8 750 kQ C7 Il 4 7 uF C8 spv I t 400nF 100 pF Mi o 296 tolerance R10 2N60 C13 D11 2000 T 82 nF 56 V i R27 D4 300 KQ 100 750kQ 1N4148 R15 R16 C10 ai D6 ke BAS21H BC857 5600 5600 400 nF aso R11 R12 R17 1 20 430 220 KQ 22kQ D7 R19 qp M7 D5 R18 BAV70 SOT23 27kQ ae E C12 10 pF Ds 2W 50V 1 R20 3 kQ D9 2 W lt 1N4148 R24 D10 Q3 R25 220 M7 PZTA44 10 KQ R26 4 4 aaa 005698 1 2kO Fig 4 Schematic with improved line regulation J9 Up q31 eiqeuuip suw xoeg Ap A OEZ M ZL 1V62LZ1SS 68S0 LNN SJ0jonpuoolul8S dXN NXP Semiconductors U M1 0589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver 6 SSL2129AT demo board connections UM10589 The SSL2129AT 12 W board is optimized for a 230 V AC at 50 Hz mains supply In addition the board has been designed to work with multiple high power LEDs with a total working voltage between 32 V DC and 48 V DC When attaching an LED load to an operational board hot plugging an inrush peak current occurs due to the discharge of capacitors C4 and C5 After frequent discharges the LEDs can deteriorate or become damaged2. It is recommended for demonstration purposes that the board is mounted in a shielded or isolated box OO 7 aaa 005687 Fig 5 Connection to the SSL2129AT 12 W 230 V demo board front If a galvanic isolated transformer is used place it between the AC source and the demo board All information provided in this document is subject to legal disclaimers NXP B V 2012 AII rights reserved User manual Rev 1 11 December 2012 9 of 19 NXP Semiconductors UM10589 7 Dimmers SSL2129AT 12 W 230 V flyback mains dimmable LED driver UM10589 NXP Semiconductors have tested several triac and transistor based dimmers Table 4 shows a list of dimmers that have currently been tested with the board Table 4 Selection of dimmers tested Manufacturer lo LED NO len minimum loen maximum range dimming mA dimming mA dimming mA Leading edge Berker 2819 235 29 224 12 311 to 95 3 Berker 2873 235 47 11 72 220 66 4 98l to 93 71 GIRA 0300 235 26 218 11 1 to 92 8 00 101 GIRA 1184 235 47 4 84 234 67 2 06l l to 99 6 00 100 LichtreglerT10 235 47 0 05 229 41 0 02l1 to 97 43 Busch 2200 235 47 12 27 223 37 5 2111 to 94 86 Busch 2250U 235 47 5 07 226 04 2 15l l to 96 Meierte 235 47 42 66 234 51 18 1211 to 99 59 Shoniador 235 47 0 05 232 88 0 021 to 98 9 Peking Shitong 235 47 19 63 232 25 8 34 to 98 63 HPM Cat 250L 238 0 8 180 8 0 34 to 75 97 Legrand Cat
3. SS Q 3 195 205 1 Voen 40 V DC 2 Voen 48 V DC 3 Voen 32 V DC Efficiency 215 225 235 245 255 265 Vmains V All information provided in this document is subject to legal disclaimers NXP B V 2012 AII rights reserved User manual Rev 1 11 December 2012 11 of 19 NXP Semiconductors U M1 0589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver 8 3 Power factor 1 00 aaa 005692 PF 3 0 96 1 0 92 2 0 88 0 84 195 205 215 225 235 245 255 265 Vmains V Voen 40 V DC 2 Voen 48 V DC 3 Voen 32 V DC Fig 8 Power Factor 8 4 Electromagnetic Conductance EMC 120 Noise Level 103 102 101 1 10 102 frequency MHz aaa 005693 Fig 9 Conducted Emission Line UM10589 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 11 December 2012 12 of 19 NXP Semiconductors U M1 0589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver p 120 Noise Level dBuV m 100 103 102 107 1 10 102 frequency MHz aaa 005694 Fig 10 Conducted Emission Neutral Level T dBuV 70 60 50 40 30 20 10 0 30 50 60 70 80 90 100 200 300 frequency MHz aaa 005695 Fig 11 R
4. peak current controlled system The convertor can control and drive a buck tapped buck or flyback component and ensures proper dimmer operation Figure 12 shows the schematic of the board Start up and VCC supply The charging current flows from R3 and the high voltage HV pin via an internal start up current source to the VCC pin The IC starts switching when the voltage on pin VCC exceeds the Vcc siar level 13 V max After start up an auxiliary winding connection provides the required external supply Design the voltage of the auxiliary winding to a minimum of 20 V to ensure that the VCC supply voltage is larger than 8 V at nominal mains Mains dimmer compatibility The SSL2129AT achieves mains dimmer compatibility using dynamic TON control This control is used to shape an input current waveform Thus providing the most effective current to load the dimmer over most of the mains cycle At dimmed position output current is controlled both by the conductive phase of the dimmer and the slope current control of the TONMOD function An additional advantage of this method is a high power factor Holding current Q3 R18 and R20 create a bleeder circuit providing the holding current for mains dimmer parallel with flyback input current Resistor R24 sets the minimum holding current At high level dimming the flyback input current provides most of the holding current At low level dimming the bleeder circuit provides most of it Sufficie
5. 200 Q 5 96 0805 TA I R11 resistor chip 1 8 Q 1 96 0805 TA I R12 resistor chip 2 Q 5 96 0805 TA I R13 resistor chip 100 kQ 5 0603 TA I R14 resistor chip 10 O 1 96 0805 TA I R15 resistor chip 560 Q 5 1206 TA I R16 resistor chip 560 Q 5 1206 TA I R17 resistor chip 150 kQ 1 96 0805 TA I R18 resistor carbon film flame retardant 3 KQ 2 W 5 96 Yageo R19 resistor chip 2 7 KQ 5 96 0805 TA I R20 resistor carbon film flame retardant 3 KQ 2 W 5 Yageo R21 resistor chip 2 7 KQ 5 96 0603 TA I R22 resistor chip 1 KQ 5 0603 TA I R23 resistor chip 10 KQ 5 96 0603 TA I R24 resistor chip 22 O 1 W 5 96 2512 TA I R25 resistor chip 10 KQ 5 96 0603 TA I R26 resistor chip 1 2 KQ 5 96 0603 TA I T1 transformer 4 pin 4 pin EFD20 Kangshun U1 IC SSL2129AT SO 8 NXP Semiconductors ZD1 Zener 30 V 0 5 W SOD323 BZX384C30 NXP Semiconductors UM10589 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 11 December 2012 16 of 19 NXP Semiconductors UM10589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver 11 Transformer specification 11 1 Transformer pin allocation 17 5 0 15 Dimensions in mm Fig 13 Transformer pin allocation aaa 005697 11 2 Test Specifications Table 7 Test Speci
6. 238 11 5 182 7 4 83 to 76 76 400L HPM Cat400L 238 7 8 185 6 3 28 to 77 98 NVC 238 21 7 236 4 9 121 to 99 93 Mank 238 24 236 2 10 0811 to 99 24 LG Electric 238 47 232 19 7511 to 97 48 Berker 2819 235 29 224 12 3 to 95 3 Berker 2873 235 47 11 72 220 66 4 981 to 93 71 Trailing edge ABB Busch6513 235 47 40 74 292 22 17 31 to 97 35 U102 Berker 286170 235 47 23 86 170 35 10 131 to 72 34 Berker 2874 235 47 24 86 224 4 10 5611 to 95 3 Jung 225TDE 235 47 25 85 224 09 10 9811 to 95 17 Jung 243EX 235 47 20 35 227 02 8 641 to 96 41 Gira 030700 102 235 47 29 82 224 94 12 6611 to 95 53 PEH433HAB 235 47 29 95 221 51 12 6611 to 95 53 Niko 235 47 52 98 210 5 22 5l l to 84 90 CLIPSAL 238 11 6 205 6 4 87 to 86 39 32E450UDM 1 Dimmer can be switched off All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 11 December 2012 10 of 19 NXP Semiconductors UM10589 8 Performance data SSL2129AT 12 W 230 V flyback mains dimmable LED driver UM10589 8 1 8 2 Line Regulation mA Voten 40 V DC 2 Voten 32 V DC Vo Lep 48 V DC Fig 6 Line Regulation 300 lo LED 200 100 0 195 205 aaa 005688 1 2 3 215 225 235 245 255 265 Vmains V Efficiency 85 n 83 81 79 77 75 aaa 005689
7. NXP Semiconductors D5 diode dual 100 mA 75 V SOT23 3 BAV70 NXP Semiconductors D6 diode fast 200 mA 200 V SOD123 BAS21H D7 diode general M7 1 A 1 kV SMA SIYU D8 diode general M7 1 A 1 kV SMA SIYU D9 diode fast 100 mA 75 V SOD523 1N4148WT NXP Semiconductors D10 diode general M7 1 A 1 kV SMA SIYU F1 fuse lead type 0 5 A 250 V can be removed when R1 R4 Littelfuse are fusible resistors L1 inductor power 3 3 mH 6 x 8 mm Yageo M1 N MOSFET 2N60 TO251 UTC MOV1 varistor TVR05431 Thinking Q1 PNP SOT23 3 BC857 NXP Semiconductors Q2 NPN SOT23 3 BC847 NXP Semiconductors Q3 NPN SOT223 PZTA44 NXP Semiconductors R1 resistor fusible lead type 82 Q 1 W 5 Token R2 resistor chip 220 kO 5 96 1206 TA I R3 resistor chip 10 kQ 5 96 1206 TA I R4 resistor fusible lead type 82 Q 1 W 5 Token R5 resistor chip 200 Q 5 96 1206 TA I R6 resistor chip 20 KQ 5 1206 TA I R7 resistor chip 10 kQ 5 0805 TA I R8 resistor chip 750 kQ 5 1206 TA I UM10589 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 11 December 2012 15 of 19 NXP Semiconductors U M1 0589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver Table 6 Bill of Materials continued Reference Description and Value Part number Manufacturer R9 resistor chip 750 kQ 5 96 1206 TA I R10 resistor chip
8. i 2 0n D7 R19 M7 D5 T mE BAV70 SOT23 C12 ns in B 10 pF MS 2W 2 7 KQ ZD1 R22 i dd R20 02M SI iE RN 3kQ BC847 30V 1kQ R23 10 kQ 1N4148 m R24 D10 Q3 220 M7 PZTA44 10 ko R26 aaa 005696 12 kQ 6 3neureuos pJeogq OWSP A OEZ M ZI LVECLCISS J9 Up q31 eiqeuuip suw xoeg Ap A OEZ M ZL 1V62LZ1SS 68SOLINN SIOJONPUOSIWIS dXN NXP Semiconductors U M1 0589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver 10 Bill of Materials BOM Table 6 Bill of Materials Reference Description and Value Part number Manufacturer BD1 bridge diode 0 5 A 600 V MB6S General Semi C1 capacitor film 0 15 uF 450 V P10 Fara C2 capacitor ceramic 1000 pF 1 kV 1206 X7R Murata C3 capacitor film 0 047 uF 450 V P10 Fara C4 capacitor E CAP 330 uF 63 V LKF 12 x 20 mm Yonming C5 capacitor E CAP 330 uF 63 V LKF 12 x 20 mm Yonming C6 capacitor YCAP 2200 pF 275 V Vishay C7 capacitor ceramic 4 7 mF 25 V 1206 X7R Murata C8 capacitor ceramic 0 1 mF 25 V 0603 X7R Murata C9 capacitor ceramic 39 pF 50 V 2 96 0603 COG Murata C10 capacitor film 0 1 mF 450 V P10 Fara C11 capacitor ceramic 0 15 mF 35 V 0805 X7R Murata C12 capacitor E CAP 10 uF 50 V LKF 5 x 11 mm Yonming D1 diode general M7 1 A 1 kV SMA SIYU US1M Diodes D2 diode fast 1 A 700 V SMA US1M Diodes D3 diode general M7 1 A 1 kV SMA SIYU D4 diode fast 100 mA 75 V SOD523 1N4148WT
9. 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 of use loss of data or information and the like arising out the use
10. 2 All rights reserved User manual Rev 1 11 December 2012 6 of 19 NXP Semiconductors UM10589 UM10589 Table 3 SSL2129AT 12 W 230 V flyback mains dimmable LED driver Component changes Part ref Description C9 C11 C13 D11 R11 R12 R13 R27 capacitor ceramic 39 pF 50 V 2 96 0603 COG capacitor ceramic 0 15 uF 35 V 0805 X7R capacitor ceramic 0 082 uF 200 V 1206 X7R Zener 56 V 0 5 W SOD323 BZX384C56 resistor chip 1 2 Q 1 96 0805 resistor chip 4 3 O 1 96 0805 resistor chip 22 KQ 5 96 0603 resistor chip 300 kQ 5 96 0603 Manufacturer Murata Murata Murata NXP semiconductors TA I TA I TA I TA I Remarks value change remove add add value change value change value change add 5 4 High accuracy design recommendations Use 1 96 or better devices for peak current sensing resistors R11 R12 Use 5 or better inductance tolerance for transformer Use 2 or better tolerance for COG ceramic capacitor C9 All information provided in this document is subject to legal disclaimers NXP B V 2012 AII rights reserved User manual Rev 1 11 December 2012 7 of 19 jenuew 3SN cL0c 1equie28q LL L AeY sieuirejosip ea oj 1oefqns s JUSWUNDOP siu ui PEPIAOI uoneuuojul y 61108 68S0lLWN pamasa syu Ily ZLOZ N8 dXN
11. UM10589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver Rev 1 11 December 2012 User manual Document information Info Content Keywords SSL2129AT SSL2129ADB1101 mains dimmable AC DC conversion flyback LED driver Abstract This user manual describes the operation of an SSL2129AT 12 W 230 V flyback mains dimmable LED driver demo board NXP Semiconductors U M1 0589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver Revision history Rev Date Description v 1 20121211 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 UM10589 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 11 December 2012 2 of 19 NXP Semiconductors U M1 0589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver 1 Introduction WARNING Lethal 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 nev
12. adiated Emission Table 5 Radiated emissions results Frequency MHz Quasi peak X Measured time Bandwidth Correction Margin dB Limit dBuV dBuV ms kHz dB 54 88 49 8 1000 120 000 10 9 2 59 68 8 47 2 1000 120 000 10 1 9 9 57 1 95 16 46 8 1000 120 000 10 2 7 6 54 4 96 72 46 1 1000 120 000 10 2 8 2 54 3 127 4 43 9 1000 120 000 10 4 10 1 54 191 4 41 2 1000 120 000 10 5 12 8 54 UM10589 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 11 December 2012 13 of 19 jenuew 3SN ZLOZ Jequie2eg LL eg sieuirejosip ea 0 1oefqns s jueuinoop siu ui pepi oid uoneuuojul y 6L Jo HL 68SOLWN pamasa suu Iv ZLOZ A d dXN F1 Lf 0 5 mA 250 V 230 V AC Fig 12 SSL2129AT 12 W 230 V demo board schematic R1 820 MB6S 1W 3 ai LR Pi LED 3 3 mH US1M usm T zl T J e de RS Sao R3 R2 1 5 330 pF 330 pF 240 mA oh E e RS u HF 20 ko 150 n ATF 63 V 63V b LED 6 c6 28 T 2 2 nF 3 EFD20 R8 3 750 KQ 4 C8 100 nF 39 pF M1 A 2 tolerance R10 ET 2N60 R9 2000 750 KQ D4 R14 100 1N4148 R15 R16 C10 Q1 M EA T BAS21H BC857 5600 5600 100 nF 450 V
13. bility 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 12 3 Trademarks Notice All referenced brands product names service names and trademarks are the property of their respective owners NXP B V 2012 All rights reserved User manual Rev 1 11 December 2012 18 of 19 NXP Semiconductors U M1 0589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver 13 Contents 1 Introduction lesen 3 2 Safety Warning seeeseseeee 4 3 Specifications 0 00 c eee eee eee 4 4 Functional description 5 4 1 Overview 2 0 5 4 2 Start up and VCC supply 5 4 3 Mains dimmer compatibility 5 4 4 Holding current llle 5 4 5 Deep dimming esee 5 4 6 OverVoltage Protection 5 5 System Optimization ss 6 5 1 Set the minimum holding current 6 5 2 Change the output ripple current 6 5 3 Improve line regulatio
14. d 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 critical or safety critical systems or equipment nor in applications where failure or ma
15. er be operated unattended UM10589 This manual describes the performance technical data and connections of the SSL2129AT 12 W 230 V AC flyback mains dimmable demo board The SSL2129AT driver is a solution for a professional application with multiple high power LEDs that require galvanic isolation and a safe output voltage The driver is mains dimmable for both leading edge triac dimmers and trailing edge transistor dimmers Examples include shelf lighting down lighting and LED lighting for bathrooms The design demonstrates how to produce a driver that is suitable for small form factor applications such as retrofit lamps LS 3S3L2129ADB1101 aaa 005678 Fig 1 Demo board front view aaa 005679 Fig 2 Demo board back view All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 11 December 2012 3 of 19 NXP Semiconductors UM10589 2 Safety Warning SSL2129AT 12 W 230 V flyback mains dimmable LED driver This board is connected to the mains voltage Avoid touching the board while it is connected to the mains voltage An isolated housing is mandatory when used in uncontrolled non laboratory environments Galvanic isolation of the mains phase using a variable transformer is always recommended a isolated Fig 3 019aab173 Variable transformer isolation symbols 019aab174 b non i
16. fications Bobbin Pitch 5 mm 4 4 Core Material EFD2020 PC40 31 Ae mm Lp N1 6 to 8 2 0mH at50 kHz 10 tolerance Solution mark 11 3 Winding information Table8 Test Specifications Winding Start pin Finish pin Wire size Turns Tape Winding tape N1 1 A 0 20x 1UEW 60 0 Center N2 elll 5 0 4 x 1TIW 60 0 Center N3 A 2 0 20 x 1UEW 60 2 Center N2 4 3 0 15 x TUEW 30 2 Center 1 UM10589 Pins 6 and 5 need fly out for a 4 kV hi pot test All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 11 December 2012 17 of 19 NXP Semiconductors UM10589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver 12 Legal information 12 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 12 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 an
17. he minimum holding current can be estimated from the following equation V Ihold y 1 For example at least 30 mA is needed for dimmers in 230 V AC applications The forward voltage of D10 is 0 7 V so the sensing resistor is 0 7 V 30 mA 23 3 O 22 Qis chosen Change the output ripple current The LED voltage the LED dynamic resistance and the output capacitor mostly determine the output current ripple The current value of C4 and C5 has been chosen to optimize capacitor size with light output A ripple of 25 96 results in an expected deterioration of light output 1 96 The size for the buffer capacitor can be estimated from the following equation I Cour e LED y n 2 AI 6 X mains a Rays Using a series of LEDs the dynamic resistance of each LED can be added to the total dynamic resistance With 50 Hz or 60 Hz fmains is the AC mains frequency Improve line regulation To optimize line regulation for output current add Zener diode D11 and resistor R27 to reduce the peak current of MOSFET M1 during mains voltage raise see Figure 4 Table 2 shows the line regulation test results The line regulation of the LED current improves by 0 12mA V Table2 Improved line regulation test results Vmains V Pin W PF Vo LEp V lo LEp mA 200 11 16 0 93 40 426 225 230 11 42 0 912 40 445 229 265 12 12 0 897 40 46 233 All information provided in this document is subject to legal disclaimers NXP B V 201
18. lfunction 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 UM10589 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
19. n 6 5 4 High accuracy design recommendations 7 6 SSL2129AT demo board connections 9 7 DIMMECSS si iscsi cee rre RR cnn 10 8 Performance data 0 0es eee ee nee 11 8 1 Line Regulation llle 11 8 2 EMMClONCY iix uu Ra aie bore ck RERO Rd 11 8 3 Power factor 1 2 0 0 cee eee eee eee 12 8 4 Electromagnetic Conductance EMC 12 9 SSL2129AT 12 W 230 V demo board Schematic cue eee n 14 10 Bill of Materials BOM 15 11 Transformer specification 17 11 1 Transformer pin allocation 17 11 2 Test Specifications 0 0005 17 11 3 Winding information 17 12 Legal information Ls 18 12 1 Definitions 000000 2c eee 18 12 2 Disclaimers 00220 cece eee eee 18 12 3 Trademarks 0 0 e eee eee 18 13 Contents cesso dente eee 19 Please be aware that important notices concerning this document and the product s described herein have been included in section Legal information NXP B V 2012 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 11 December 2012 Document identifier UM10589
20. nt holding current keeps dimming stable and the system effective Deep dimming At low level dimming the voltage of R17 drops and extra current from R13 and Q1 boosts charging of C9 The ton time is reduced and the power transferred to the secondary side is reduced The output current can then be smaller There is no need for deep dimming circuits for some dimmers especially in 100 V AC or 120 V AC applications Several components are then no longer required R8 R9 R17 C11 Q1 R13 D11 R27 when there is no need for good line regulation OverVoltage Protection If no control is implemented when output starts the output voltage boosts to a high value An auxiliary winding coupled with a secondary winding can be used to sense the output voltage When the output voltage is too high Q2 and ZD1 form a circuit to pull down the voltage on the NTC pin The IC then stops working and runs in safe restart mode All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 11 December 2012 5 of 19 NXP Semiconductors U M1 0589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver 5 System Optimization UM10589 5 1 5 2 5 3 The following modifications can be made to meet customer application specifications Set the minimum holding current The forward voltage of D8 and the sensing resistor R24 determines the minimum holding current T
21. 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 or regional safety standards NXP Semiconductors does not accept any lia
22. solated 3 Specifications Table 1 Specifications for the SSL2129AT 12 W 230 V demo board Symbol Vmains Vo LED Vo ovp lo LED Alo LED AVmains Alo LEDY AVo LED PF Visol THD PCB size Parameter Condition mains input voltage LED output voltage output voltage IC latched protection LED output current load current dependency line regulation load current dependency load regulation efficiency Power Factor isolation voltage Total Harmonic Distortion Length x Width x Internal dimensions Height External dimensions Value 196 V AC to 264 V AC 50 Hz 40 V DC 56 V DC 240 mA 0 89 mA V 0 19 at nominal Vi 230 V AC 2 65 mAN 0 5 96 at nominal ILED 240 mA 82 at Vmains 230 V and VoLep 40 V DC gt 0 9 at Vmains 230 V AC and Voen 40 V DC 4 kV between primary and secondary AC circuit 30 96 63 mm x 34 mm x 25 mm 94 mm x 54 mm x 25 mm Remark EMC Compliance FCC15 and EN55015 UM10589 All information provided in this document is subject to legal disclaimers NXP B V 2012 AII rights reserved User manual Rev 1 11 December 2012 4 of 19 NXP Semiconductors U M1 0589 SSL2129AT 12 W 230 V flyback mains dimmable LED driver 4 Functional description UM10589 4 1 4 2 4 3 4 4 4 5 4 6 Overview The converter in the SSL2129AT is a Boundary Conduction Mode BCM
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