UM10512 SSL2109 reference board
Contents
1. 97 aaa 002201 E 96 l Eet 94 93 92 200 210 220 230 240 250 Vin Vac Fig 5 Efficiency versus Vin 100 aaa 002202 1 E eee e 80 60 2 40 20 60 100 140 Vout Vdc 1 Efficiency 2 PF Fig 6 Efficiency and PF UM10512 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 7 of 19 NXP Semiconductors UM10512 UM10512 SSL2109 reference board 210 aaa 002203 lout mA 208 206 204 202 200 200 Fig 7 Line regulation 210 220 230 240 250 Vin Vac 230 aaa 002204 lout mA 220 210 200 20 Fig 8 Output regulation 100 1 Vout Vdc 40 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 8 of 19 NXP Semiconductors UM1 051 2 SSL2109 reference board R NXP Semiconductors RBW 9 kHz Marker 1 T2 09 Dec 11 07 27 MT 1 ms 50 95 dByv Att 10 dB PREAMP OFF 7 320000002. 1 1 Scope of this document The SSL2109 is a highly integrated switching mode LED controller which enables Constant Current CC driving from the mains input It is a solution for small to medium LED retrofit lamp application especially for low power factor design The SSL2109 is a buck converter controller suitable for non isolated non dimmable LED retrofit lamps It can drive long LED strings with typically 70 V forward voltages The SSL2109 is intended to operate with higher output voltages as in modern LED modules Remark Unless otherwise stated all voltages are in V AC aaa 002198 Fig 1 Reference board Bottom view UM10512 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 3 of 19 NXP Semiconductors UM1 051 2 SSL2109 reference board aaa 002199 Fig 2 Reference board Top view 2 Safety warning This reference board is connected to a high AC voltage Avoid touching the reference board during operation An isolated housing is mandatory when used in uncontrolled non laboratory environments Galvanic isolation of the mains phase using a fixed or variable transformer Variac is always recommended Figure 3 shows the symbols on how to recognize these devices 019aab173 019aab174 a Isolated b Not isolated Fig 3 Variable transformer isolation symbols 3
3. 5 16 Abbreviations 0200ee eens 17 eler serge ee ieee 17 Legal information 00 0eeeeeee 18 Det Dong 2 os wees Sek ae eee SC 18 DisclaimerS NEEN ANEN ANN ented 18 Trademarks 0 0 ccc ee 18 Contents 26 iicec ccs sinas ma sea eevee es 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 www nxp com For sales office addresses please send an email to salesaddresses nxp com Date of release 19 April 2012 Document identifier UM10512
4. 1 mt LED D3 1N5953BG D1 Q2 1 DBLS105G C6 1 y BT169D J6 1 L Ri al Ci VE 1 2 3 2 2uF T 385 V R8 R7 500 mA 220 KQ 330 L 0603 1218 4 LED J5 2 LO 1 LED J6 2 N SSL2109 1 R2 P6KE400A N 100 ER H L MOSFET N c3 c4 R3 R4 R5 1uF 1000 pF MK 2 20 1 220 1 aay p B57560G104F 1206 1206 o aaa 002207 Fig 12 Reference board schematic DIVBWAYIS OL pieog 39u 31934 1 G6OLZ1SS CLSOLINN SIOJONPUODIWIS dXN NXP Semiconductors UM10512 11 Bill Of Materials BOM SSL2109 reference board Table 5 provides detailed component information for the SSL2109 reference board Table 5 BOM for the high efficiencySSL2109 demo board Reference Component Package Part number Manufacturer J6 connector 2 pin MKDSN 2 5 2 5 08 Phoenix J5 connector 2 pin MKDSN 2 5 2 5 08 Phoenix R1 fuse 500 mA 250 AC 0263 500HAT 1L Littelfuse R2 10 W 2 W 600 V 5 2512 CRM2512 JW 100ELF Bourns R3 100 kQ B57560G104F EPCOS R4 2 2 W 0 25 W 200 V 1 1206 RC1206FR 072R2L Yageo R5 2 2 W 0 25 W 200 V 1 1206 RC1206FR 072R2L Yageo R6 100 W 0 125 W 200 V 5 1206 MC0 125W12065 100 R Multicomp R7 33 Q 1 W 200 V 5 1218 PRC201 1218 33 R Yageo R8 220 kQ 0 063 W 50 V 5 0603 MC0 063W0603 5 220 K Multicomp C1 2 2 uF 400 V 20 8 x 11 5 ECA2GHG2R2 Panasonic C2 3 3 uF 400 V 20 10 x 12 5 ECA2GHG3R3 Panasonic C3 1 uF 16 V 10 0603 0603Y
5. Board connectivity UM10512 3 1 Connecting to the board The board is optimized for a 230 V 50 Hz or 120 V 50 Hz or 60 Hz mains supply In addition to the mains voltage optimization the board is designed to work with multiple LEDs or an LED module with a high forward voltage Mains connection of the reference board is different from other general evaluation reference boards Connect the mains to the screw connector J6 Remark The maximum rated voltage of the board is 400 V DC or 175 V DC All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 4 of 19 NXP Semiconductors UM1 051 2 SSL2109 reference board The anode of the LED load is connected to pin 1 of connector J5 The cathode is connected to pin 2 of connector J5 Use an LED string with a VF greater than 20 V on this reference board Under the expected conditions the output current is 200 mA If the rated current of the LED does not meet the specification the current can be adjusted See Section 6 for instructions aaa 002200 1 J6 connect the L of the AC mains supply 2 J6 connect the N of the AC mains supply 3 J5 Positive Anode connection 4 J5 Negative cathode connection Fig 4 Board connection diagram 4 Specification Specifications for the reference board are listed in Table 1 Table 1 Reference board specifications
6. Parameter Value Comment AC line input voltage 200 V to 250 V Version 230 V 50 Hz 100 V to 130 V Version 120 V 60 Hz Output voltage 30 V DC to 130 V DC Version 230 V 30 V DC to 90 V DC Version 120 V Output current 208 mA at V 100 V DC Version 230 V 208 mA at Vo 70 V DC Version 120 V Maximum power into LED load 23 W Efficiency gt 94 See Figure 5 Power Factor gt 0 5 at gt 12W THD 83 at 20 W Board dimensions 57 x 17 5 x 17 5 Internal board length x width x height mm 83 x 40 External board Operating temperature 40 C to 100 C NTC Threshold temperature 80 C 15 C UM10512 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 5 of 19 NXP Semiconductors UM10512 UM10512 Table 1 Reference board specifications SSL2109 reference board Parameter Value Comment Mains harmonics IEC61000 3 2 Pout gt 13 W EMC compliant IEC55015 230 V model FCC15 120 V model Surge testing IEC61000 4 5 Level 3 Lifetime 26 000 hours At tamp 60 C All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 6 of 19 NXP Semiconductors UM1 051 2 SSL2109 reference board 5 Performance data Performance data is shown in Figure 5 to Figure 9
7. NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 11 of 19 NXP Semiconductors UM1 051 2 SSL2109 reference board 9 Active bypass An increased value for the inrush current resistor protects the board from damage with phase cut dimmers however lowers the efficiency If a higher PF is not required but leading edge dimmer compatibility and high efficiency are important the active bypass option is available In this circuit the inrush current resistor is bypassed using a Silicon Controlled Rectifier SCR See Figure 11 Table 4 shows the results when active bypass is used Table 4 PF adjustment valley circuit fill Vv V Vo Vavt Jo mA R1 9 Efficiency PF THD 230 45 217 100 92 6 0 52 144 120 62 215 100 89 5 0 52 153 2 MQ Sia 1 uF E Gen 100 Q aaa 002206 Fig 11 Active bypass UM10512 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 12 of 19 jenuew asn zLOZ Idy 6L CL aen SJOWUIE OSIP 269 0 190fqNS S JUSWNIOP Su U Deptaoud UONEUWOJUI y 6L 40 EL ZLSOLNN D Aleseo syu Ily ZLOZ A9 dXN O id LED J5 1 am a coe ge
8. 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 16 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 B V NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 18 of 19 NXP Semiconductors UM10512 17 Contents SSL2109 reference board e i OMONOORWOWND H ch 16 1 16 2 16 3 17 Introduction 0000 0 ccc 3 Scope of this document 3 Safety warning cece eee eee eee 4 Board connectivity 0 cee eee eee 4 Connecting to the board 4 Specification d SEENEN e et sg 5 Performance data 7 Changing the output current 9 External OverTemperature Protection OTP 10 Power Factor PF adjustment 10 Active bvpass 00 cece eee eee 12 Schematic sue SERRURIER eee ea ee SR 13 Bill Of Materials BOM 14 Board layout ccc eee e eee eens 15 Inductor specification
9. of the product 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 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
10. 0 kHz Bev Wio 100 kHz 1 MHz 10 MHz EN5501pQ IMIt qHgck Jiss 90 SGL pazh 80 2 AV CLRWR i 70 i S i i ENSSQ1i5Aa 50 6DB 40 30 20 10 o 9 kHz 30 MHz aaa 002205 Fig 9 EMI performance 6 Changing the output current The SSL2109 monitors the charging current in the inductor using the sense resistors R4 and R5 It controls a MOSFET to retain a constant peak current In addition the IC supports valley switching These features enable a driver to operate in Boundary Conduction Mode BCM with valley switching where the average current in the inductor is the output current The SSL2109 turns off the MOSFET when the voltage on pin SOURCE reaches 500 mV If the value of R4 in parallel with R5 is 1 the peak current is limited to 500 mA See Equation 1 0 5 x R5 R4 I 1 peak R5 x R4 When the MOSFET is turned off inductor L2 is discharged and the current flowing through the inductor decreases When the current in the inductor reaches 0 mA the voltage on the DRAIN pin starts to oscillate due to the stray capacitance ringing The SSL2109 waits for a oscillation valley The charge time of the inductor is calculated using Equation 2 2xI ten L2 x E 2 V V 1 LED The discharge time of the inductor is calculated using Equation 3 UM10512 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 9 of 19 NXP Sem
11. C105KAT2A AVX CA 1 nF 100 V 10 0603 06031C102KAT2A AVX C5 120 pF 1000 V 5 1206 CC1206JKNPOCBN121 Yageo C6 10 pF 105 C 160 V 20 8x 11 5 UVZ2C100MPD1TD Nichicon L1 1 mH 10 768772102 W rth Elektronik L2 2 1mH 10 RM6 750312626 Wirth Elektronik RV1 WE VD 275 V 10 mm 80412711 W rth Elektronik Q1 3 A 400 V 1 5 Q l Pak STD5NK40Z 1 ST Micro Electronics Q2 0 8 A 400 V TO92 BT169D NXP D1 bridge 1 A 600 V SOIC 4 DBLS105G Multicomp D2 5 A 600 V SOT226A BYV25G 600 NXP D4 Zener 3 W 150 V DO 41 1N5953BG On semi U1 IC 600 V SO8 SSL2109 NXP 120 VAC C1 10 pF 105 C 160 V 20 8x 11 5 UVZ2C100MPD1TD Nichicon C2 10uF 105 C 160 V 20 8x 11 5 UVZ2C100MPD1TD Nichicon RV1 WE VD 130 V 10mm 820511311 Wirth Elektronik UM10512 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 14 of 19 NXP Semiconductors UM1 051 2 SSL2109 reference board 12 Board layout UM10512 aaa 002208 Fig 13 Reference board PCB Bottom view Postlian UL lago JITA AET a SS SSL2109 B gT aaa 002209 Fig 14 Reference board PCB Top view All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 15 of 19 NXP Semiconductors UM10512 13 Inductor specification SSL2109 reference boa
12. P 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 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
13. SSL2109 reference board Rev 1 1 19 April 2012 User manual m UM10512 R Document information Info Content Keywords SSL2109 buck controller reference board LED driver LED retrofit lamp Abstract This document describes the performance technical data and the connection of the SSL2109 reference board The SSL2109 is an NXP Semiconductors controller IC intended to provide a low cost small form factor LED driver The reference board is intended to operate at 230 V or 120 V AC using an output voltage of 30 V or greater NXP Semiconductors UM10512 Revision history SSL2109 reference board Rev Description v 1 1 second issue v 1 first issue UM10512 All information provided in this document is subject to legal disclaimers User manual Rev 1 1 19 April 2012 NXP B V 2012 All rights reserved 2 of 19 NXP Semiconductors UM1 051 2 SSL2109 reference board 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 never be operated unattended
14. creases continuously and the voltage on the pin drops to less than 0 3 V the SSL2109 starts the NTC time out timer If the voltage on the NTC pin does not drop to less than 0 2 V within the time out the SSL2109 detects an abnormal condition As a result the SSL2109 stops switching If the voltage reaches 0 2 V within the time out period a Pulse Width Modulation PWM signal is assumed An NTC resistor can be directly connected to the NTC pin It is also possible to tune the protection temperature by adding a resistor in parallel or in series with the NTC One NTC and one resistor are installed on the reference board The values of these components can be changed depending on the protection temperature requirement and component availability Mounted the NTC in thermal contact with the LED string 8 Power Factor PF adjustment The SSL2109 IC and SSL2109 reference design is designed for standard operation UM10512 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 10 of 19 NXP Semiconductors UM1 051 2 SSL2109 reference board with a PF of 0 6 at 230 V The choice offers the highest efficiency It is possible to tune the PF to higher values using two methods Increasing the value of R1 raises the PF higher than 0 7 with additional losses See Table 2 Table 2 PF adjustment increasing the value of resistor R1 VII Vo Va
15. iconductors UM1 051 2 SSL2109 reference board 2xTIpep lich Se EEN 3 When the inductor is charging discharging a current flows through the inductor However there is also an effective current when ringing Consider the oscillation frequency when adjusting the output current It is calculated using Equation 4 1 Pig SS a ee 7 2 JL2x Cprgr C3 4 The time from the start of oscillation to the first valley is calculated using Equation 5 1 tons ring 2 x fring The output current is calculated using Equation 6 The resulting output current is ta t ig ch dch I x LED eak 2 lon Lach Ling Therefore by changing Jeck we can change len 7 External OverTemperature Protection OTP The SSL2109 supports external OTP by adding an external Negative Temperature Coefficient NTC resistor This feature is delivered by detecting a voltage on pin NTC The NTC pin has an integrated current source The resistance of the NTC resistor is decreased as the temperature is increased When the NTC temperature rises and the voltage on the NTC pin falls to less than 0 5 V the SSL2109 lowers the threshold level for detecting peak current in the inductor Decreasing the peak current in the inductor causes the power current to decrease The output current is regulated to the point where a balance between temperature and output current can be retained the so called thermal management If the temperature on NTC in
16. ife 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 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 UM10512 All information provided in this document is subject to legal disclaimers NX
17. presentations 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 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 l
18. rd CUSTOMER TERMINAL LEAD Pb FREE Sn96x A04 You ves 012 x 030 REF 2 76 Lan TERM HO s FOR REF ONLY 020 6 50 PART MUST INSERT FULLY TO SURFACE A IN RECOMWENDED GRID NOTCH IN UPPER FLANGE W RTH ELEKTRONIK LOCATES TERM i SIDE Ei Ed K ECH SS E t RECOMMENDED PC PATTERN COMPONENT SIDE ELECTRICAL SPECIFICATIONS 25 C unless otherwise noted D C RESISTANCE 20 C 2 6 1 53 Ohms 10 INDUCTANCE 2 10 mH 210 10kHz 100MVAC OmMADC 2 6 Ls SATURATION CURRENT 900mA saturating current that causes 20 rollofi from initial inductance OPERATING TEMPERATURE RANGE 40 C to 125 C including temp rise Safety Standard Undefined Uniess otherwise specified tolerances are as follows WE Midcom Inc Watertown SD USA Toll Free 800 643 2661 Fax 605 886 4486 Fractions 1 64 WE Midcom Inc Drawing Tite Drawing Number EH Transformer 750312626 00 Revisions See Sheet Sheet 2 of 5 Engineer LJG Fig 15 Inductor specification 09 23 2011 aaa 002210 UM10512 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 16 of 19 NXP Semiconductors UM10512 14 Abbreviations SSL2109 reference board Table 6 Abbreviations Acronym Description BCM Boundary Conduction Mode CC Constant Current DCM Discontinuous Cond
19. uction Mode EMC ElectroMagnetic Compatibility EMI ElectroMagnetic Interference LED Light Emitting Diode MOSFET Metal Oxide Semiconductor Field Effect Transistor NTC Negative Temperature Coefficient PF Power Factor PWM Pulse width Modulation SCR Silicon Controlled Rectifier 15 References 1 SSL2108X Data sheet Drivers for LED lighting UM10512 2 3 4 5 AN11041 Application Note SSL2108X driver for SSL applications AN10876 Application Note Buck converter for SSL applications SSL2109 Data sheet SSL2109 reference board AN11136 Application note Buck convertor driver for SSL applications All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 1 19 April 2012 17 of 19 NXP Semiconductors UM10512 16 Legal information SSL2109 reference board 16 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 16 2 Disclaimers Limited warranty and liability Information in this document is believed to be accurate and reliable However NXP Semiconductors does not give any re
20. vt Jo mA R1 9 Efficiency PF THD 230 45 222 220 83 3 0 71 97 230 109 209 100 86 2 0 70 86 120 45 219 56 84 7 0 70 99 120 62 214 47 84 8 0 71 93 A resistor value of 220 W for R1 also results in operation with most available phase cut dimmers without damaging the lamp or dimmer This change is not intended to reach stable operation without flicker or a good dimming range Dimension the power rating of R1 to handle peak powers that occur using leading edge dimmers These powers range between 2 W to 6 W Alternatively make a thermal link between the onboard NTC and R1 causing the board to turn off at overtemperature of R1 The second option is to increase PF using a valley fill circuit Figure 10 shows the basic schematic for the circuit Table 3 shows the results Table 3 PF adjustment valley fill circuit Vi V Vo Nat 120 44 5 230 62 230 62 lo mA C2X Y uF L1 mH R1 0 Efficiency PF THD 212 47 0 82 100 83 1 0 9 43 216 22 2 2 47 92 9 0 81 63 215 22 2 2 390 80 0 9 40 UM10512 I C2X C2Y 7 aaa 000502 Fig 10 Valley fill circuit The valley fill circuit can only be employed if the output voltage is less than half the peak input voltage At 230 V input it operates up to 85 V DC output voltage otherwise no power is delivered to the LEDs during the valley duration All information provided in this document is subject to legal disclaimers
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