UM10791 SSL5021BDB1205 120 V 6 W candle form non
Contents
1. 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 2014 All rights reserved User manual Rev 1 3 November 2014 17 of 18 NXP Semiconductors UM10791 SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board 14 Contents 6 5 7 1 7 2 7 3 7 4 7 5 7 6 10 11 12 13 13 1 13 2 13 3 14 Introduction lesen 3 Features e a eee 3 Safety warning 0 cece eee eee 4 Specifications 00 ee eee eee eee 4 Board photographs 6 Board connections Ls 7 Functional description 7 Input filtering 2 llis 7 Efficiency improvement for universal mains 7 Open load protection 8 External overtemperature protection and LED current foldback 0 0 eee ee eee 8 LED current and sense resistors 9 Performance 00 cree eee ee eens 10 EMCIONCY sie eem te ond wee eee 10 Input power 0 20 eee 10 Line regulation 0 0 eee eee 11 Load regulation eee eee 11 Output ripple 0 0 eee eee 12 ElectroMagnetic Interference EMI 12 Schematic 2 eee eens ee eens 13 Bill Of Materials BOM 14 Board l2. SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board 2 Safety warning The demo board input is connected to the mains voltage 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 a Isolated Fig 1 019aab173 Isolation symbols 019aab174 b Not isolated 3 Specifications Table 1 lists the specification of the SSL5021BDB1205 demo board Table 1 SSL5021BDB1205 specifications Symbol Parameter Value Vimains AC mains supply voltage 120 V AC 10 Pout output power 6W VLeED output voltage 40 V to 60 V 54 V optimum lLED output current 93 mA lripple output current ripple at 120 Hz 3 96 Ali Ep vmainsy lLED nom line regulation 1 0 96 at Vmains 90 V to 150 V Ali Ep vLEDY ILED nom load regulation 0 7 96 at Vi gp 10 96 n efficiency 89 96 at 120 V AC 60 Hz PF power factor 20 55 at 120 V AC 60 Hz Toper operating temperature 40 C to 105 C board dimensions 60 mm x 40 mm conducted electrostatic Interference EMI EN55015 IEC61000 3 2 Class D for Pin lt 25 W limit UM107
3. 93 mA when using an LED string with a 55 V forward voltage Vp The current can be adjusted using resistors R5 A 55 V LED voltage gives a good efficiency and line regulation at 120 V AC K1 is the connection for the mains voltage LED and LED are the connections for the LED load Figure 4 shows the connections MAINS IN aaa 014926 Fig 4 SSL5021BDB1205 board connections 6 Functional description UM10791 6 1 6 2 Input filtering Capacitors C1 and C3 and inductor L1 filter the switching current from the buck converter to the line Capacitors C1 and C3 also provide a low impedance path for the switching current The value of C1 is selected to have no more than 30 ripple on the bus voltage at 15 96 of typical mains The input series resistance of 10 Q and capacitor C1 together provide adequate protection against transient surge voltages A footprint for an optional varistor RV1 is available on the board To increase the immunity to the line surge the input resistance is added see Figure 11 Do not omit this resistor or lower its value Efficiency improvement for universal mains The SSL5021BTS is supplied via start up resistors R3 and R4 To keep the temperature low and retain ease of adjustment of the desired value the power losses in these resistors are divided over the two resistors All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All
4. a UNM10791 s SSL5021BDB1205 120 V 6 W candle form non isolated buck LED driver demo board Rev 1 3 November 2014 User manual Document information Info Content Keywords SSL5021BDB1205 SSL5021BTS LED driver non isolated buck topology candle applications TSOP6 package Abstract This user manual describes the performance technical data and the connection of the SSL5021BDB1205 demo board using non isolated buck topology The SSL5021BTS is an NXP Semiconductors driver IC in a TSOP6 package It is intended to provide a low cost small form factor LED driver design This SSL5021BDB1205 demo board is designed for candle form applications It operates at 120 V AC with an output voltage approximately 54 V NXP Semiconductors U M1 0791 SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board Revision history Rev Date Description v 1 20141103 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 UM10791 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 2 of 18 NXP Semiconductors U M1 0791 1 Introduction SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board WARNING A A Lethal voltage and
5. 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 SSL5021BDB1205 demo board featuring LED driver SSL5021BTS in a 120 V 6 W non isolated application The SSL5021BDB1205 demo board is designed for driving LED loads from 40 V to 60 V with a nominal value of 55 V The PCB dimensions are compatible with candle applications The SSL5021BDB1205 demo board provides a simple and effective solution with a low output current ripple and high efficiency for Solid State Lighting SSL applications 1 1 Features UM10791 Candle form application Open short LED string protection OverCurrent Protection OCP OverTemperature Protection OTP Efficiency gt 88 at 120 V AC input Compliant with IEC61000 3 2 harmonic standard Compliant with EN55015 conducted EMI All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 3 of 18 NXP Semiconductors UM10791
6. form buck LED driver demo board 7 5 Output ripple aaa 014931 20 Ripple 75 90 105 120 135 Vmains V RMS Fig 9 Output current ripple as a function of mains voltage 7 6 ElectroMagnetic Interference EMI Figure 10 shows the conducted EMI result of the SSL5021BDB1205 demo board RBW 5 kiz Marker i i12 aBav 9 kiz 30 MHz aaa 014932 Fig 10 EMI performance UM10791 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 12 of 18 jenuew 14osf t LOZ J9quieAON L 9H sieuirejosip e9j oj joe qns S jueuunoop S14 ui PEPIAOI uoneuuojul y 8L JO I 1620 LIN pamasa SUSU Iv v LOZ NN SIoonpuoorues dXN 8 Schematic E1 AWG18 o replace with wire OND K1 2 1 c1 C3 68yuF 247 nF 3 4 200v 200v 2 U1 1715022 4 MD5S mains R1 D in L1 R3 D2 100 S T 2 W pulse WE 200 kQ R4 ES1J Es withstanding H 200 kQ T AWG18 fusistor C4 K2 C6 es 2 i 0 22 UF R5 R9 n m 50 v t 120 KQ 47yF Tm 100 nF ERU at D1 390 c5 100 V 200V 4 FQN1N60C 1N4148W 7 F 1715022 G D S 330 pF LED 6 50V L2 CONN VCC GND GND float E3 E to
7. subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 16 of 18 NXP Semiconductors UM10791 SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board 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 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 suc
8. 18 NXP Semiconductors U M1 0791 SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board 6 5 LED current and sense resistors To optimally profit from the excellent current stability of the SSL5021BTS overtemperature 50 ppm MELF type resistors are chosen to sense the LED current The output current stability range drops to 3 compared to 7 over the full temperature range for normal 200 ppm 1206 type resistors In most low power low cost applications with LED currents lt 150 mA 200 ppm resistors are fine lj gp ay 0 4 R5 can adjust the average LED current If the change is small 10 95 changing the inductor is not required At the lowest mains voltage the maximum ON time of Q1 must not exceed 15 us When the sense resistor is operating at high temperatures its power rating must be rated by a factor 2 UM10791 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 9 of 18 NXP Semiconductors UM10791 SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board 7 Performance UM10791 7 1 7 2 Vmains 85 V to 140 V AC tamb 25 C ljgp 93 mA typical Vi gp 55 V unless otherwise specified Efficiency aaa 014927 92 n 91 90 89 88 75 90 105 120 135 Vmains V
9. 2200 AWG18 SW DEMOVP 100kQ 100kO aaa 014933 Fig 11 SSL5021BDB1205 demo board schematic pJ amp oq OWASP J9AUp Q31 I9nq W04 sjpued M 9 A OSI SOCLEGELZOS ISS L6ZO LINN SJ0jonpuoolul8S dXN NXP Semiconductors UM10791 SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board 9 Bill Of Materials BOM Table 2 SSL5021BDB1205 bill of materials Reference Description and values Part number Manufacturer C1 capacitor 6 8 uF 200 V Rubycon C3 capacitor 0 047 uF 400 V CL21 400V 0 047UF K ZhongShan AIDI Electronics C4 capacitor 0 22 uF 10 96 50 V X7R UMK107B7224KA TR Taiyo Yuden 0603 C5 capacitor 330 pF 630 V 0805 C2012C0G2W330J060AA TDK C6 capacitor 4 7 uF 100 V 100ZLJM Rubycon C9 capacitor 100 nF 200 V C1206C104K2RACTU KEMET D1 diode 100 V 300 mA 1N4148W 7 F Diodes Incorporated D2 diode fast 600 V 1A MURS160 E3 52T Vishay K1 terminal block 2 p 5 08 mm 1508060000 Weidmuller K2 terminal block 2 p 5 08 mm 20020109 H021A01LF FCI L1 inductor 330 uH RLB0812 681KL Bourns L2 inductor 2 2 mH TSL1112RA 222JR33 PF TDK Q1 MOSFET N 650 V 0 8A FQN1N60C Fairchild R1 resistor 22 Q 10 96 2 W EMC EMC2 22RK Welwyn Components R2 resistor 220 O 1 96 125 mW 0603 R3 R4 resistor 560 kQ 1206 R5 resistor 4 3 O 1 96 63 mW 1206 z R6 resistor 5 6 KQ 1 96 63 mW 0603 R7 resistor 100
10. 91 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 4 of 18 NXP Semiconductors U M1 0791 SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board Figure 2 shows the dimensions of the demo board 6W CANOLE SINGLE vz aaa 014923 Fig 2 SSL5021BDB1205 demo board dimensions UM10791 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 5 of 18 NXP Semiconductors U M1 0791 SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board 4 Board photographs 120V 0 SSL5021B081205 NNNM E S5L50218081206 _ 7l E C T E Ve E204460 o OW DC EE 94V 0 Ts A R6 ouo aaa 014925 b Bottom view Fig 3 _SSL5021BDB1205 demo board photographs UM10791 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 6 of 18 NXP Semiconductors U M1 0791 SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board 5 Board connections The SSL5021BDB1205 demo board is optimized for a 120 V AC 60 Hz supply It is designed to work with multiple LEDs or an LED module Under the expected conditions the output current is
11. RMS Fig 5 Efficiency as a function of mains voltage Input power aaa 014928 Pin W 5 75 5 5 5 25 4 75 4 5 75 90 105 120 150 135 Vmains V RMS Fig 6 Power factor as a function of mains voltage All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 10 of 18 NXP Semiconductors UM10791 UM10791 7 3 Line regulation SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board 100 ILED mA 95 90 85 80 Fig 7 Output LED current as a function of mains voltage aaa 014929 75 90 150 7 4 Load regulation 96 ILED mA 91 8 87 6 83 4 79 2 75 aaa 014930 1 3 40 45 50 1 Vmains 140 V AC 2 Vmains 120 V AC 3 Vmains 85V AC Fig 8 LED current as a function of LED voltage 55 60 70 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 11 of 18 NXP Semiconductors UM1 0791 SSL5021BDB1205 120 V 6 W candle
12. ayout 0 cece eee eee 15 Abbreviations lesser 16 References 0 cece ee eee eee 16 Legal information LL 17 Definitions 00000 eee eee 17 Disclaimers 22 ila Feared nes 17 Trademarks 000 0200 0 eee eee 17 COntentS oaov ELE ERES 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 2014 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 3 November 2014 Document identifier UM10791 Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery amp Lifecycle Information NXP SSL5021BDB1205UL
13. cribed 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 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
14. e must not be equal to or exceed the voltage set by the operating mode It is good practice to set the level in non operating mode 5 V to 10 V lower than in operating mode IC operating When the voltage in the non operating mode is set to a safe level for the output capacitor the voltage in the operating mode can be set The DEMOVP pin detects overvoltage It triggers when 4 consecutive high frequency cycles at 1 8 V are detected at the DEMOVP pin V L 8 EB o RS sets the output voltage The output voltage must never exceed the rated DC voltage of the output capacitor External overtemperature protection and LED current foldback Figure 11 shows the footprints of resistors R5 and R6 The purpose of these resistors is to provide thermal protection To reduce light output when using output current foldback the DEMOVP pin can be used as an input Replace resistor R5 by a 470 Q PTC resistor Resistor R6 is kept at 5 1 kQ If the foldback option is not used resistor R5 can be shorted and resistor R6 can be set to 5 6 kO When the foldback option is not used efficiency can be further improved by increasing R6 to 12 kO Do not use a value 18 kO for resistor R6 If the value of resistor R6 is increased too much the DEMOVP pin can cause false OVP triggering All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 8 of
15. esentation 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 UM10791 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 des
16. 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 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
17. h 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 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 repr
18. kO 1 96 250 mW 1206 R8 resistor 100 kO 1 96 250 mW 1206 R9 resistor 220 kQ 1 96 250 mW 1206 U1 bridge rectifier 600 V 0 8 A B6S G Comchip Tech U2 IC SSL5021BTS TSOP6 SSL5021BTS NXP Semiconductors UM10791 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 14 of 18 NXP Semiconductors UM10791 10 Board layout SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board N je WW NXP COM e 6W CA SINGLE 1 MAINS ATHODE ANODE 1 pP br ils e 20 e E 206 Sas d aaa 014934 a Top view aaa 014935 b Bottom view Fig 12 SSL5021BDB1205 demo board layout UM10791 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2014 All rights reserved User manual Rev 1 3 November 2014 15 of 18 NXP Semiconductors UM1 0791 SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board 11 Abbreviations Table 3 Abbreviations 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 SSL5021BTS data sheet Compact low ripple buck LED driver IC UM10791 All information provided in this document is
19. rights reserved User manual Rev 1 3 November 2014 7 of 18 NXP Semiconductors U M1 0791 UM10791 6 3 6 4 SSL5021BDB1205 120 V 6 W candle form buck LED driver demo board For mains voltages up to 120 V AC a single 1206 size SMD resistor R3 is sufficient The maximum voltage and the power rating are not exceeded Open load protection The driver board is protected when the LED load is accidentally left open The open load protection is a non latched protection Two circuits set the open load output voltage One circuit sets the open load output voltage when the IC does not operate because of a defect The other circuit sets it when the IC is operating normally In all cases the output voltage must never exceed the rated DC voltage of the output capacitor Do not reconnect the LEDs directly after an open load situation The output capacitor is charged to a higher voltage than the total LED voltage forcing an uncontrolled discharge current through the LEDs when connected It can damage the LEDs permanently IC not operating The voltage divider consisting of resistors R3 and R4 sets the output voltage from the VCC pin of the IC to the GND pin of the IC and resistor R9 _ UE nubi 15 R9 Vou 1 our R3 R44 R9 0 As a rule of thumb limit resistor R9 to Eu In this way the voltage is not sufficient to illuminate the LEDs n is the number of LEDs in series at the output The non operating output voltag
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