UM10485 120 V (AC) 7 W GU10 buck LED driver reference board
Contents
1. 26 August 2011 3 of 15 NXP Semiconductors U M1 0485 120 V AC 7 W GU10 format buck LED driver SSL2101 reference board Fig2 Reference board top view i 019aac589 Fig 3 Reference board bottom view UM10485 All information provided in this document is subject to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 1 26 August 2011 40f 15 NXP Semiconductors U M1 0485 120 V AC 7 W GU10 format buck LED driver SSL2101 reference board 2 Safety warning Connected the board to the mains voltage Avoid touching the board while it is connected to the mains voltage An isolated housing is obligatory when used in uncontrolled non laboratory environments Galvanic isolation of the mains phase using a variable transformer is always recommended 019aab173 019aab174 a Isolated b Not isolated Fig 4 Variac isolation symbols 3 Specifications Table 1 Specifications for the reference board Symbol Parameter Value Comment V mains AC mains supply voltage 108 V AC to nominal line input 120 V AC 60 Hz 132 V AC VLED output voltage 16V load 5 LED string ILED output current 440 mA lo ripple output current ripple 11 4 lo reg output current regulation 11 8 10 10 96 offset nominal line voltage n efficiency gt 73 PF Power Factor 0 924 fsw switching frequency 54 kHz UM10485 All information provided in this docu2. 7 KQ 0 25 W 1 96 axial Panasonic ECG ERO S2PHF2701 R4 1 4 7 kQ 0 10 W 1 96 0603 Panasonic ECG ERJ 3EKF4701V R5 1 110 kO 0 25 W 1 96 axial Panasonic ECG ERO S2PHF1103 R6 1 2 4 KQ 1 W 5 96 axial Vishay BC Components PRO1000102401JR500 R7 1 150 kO 0 25 W 5 96 1206 Yageo RC1206JR 07150KL R8 1 14 7 kO 0 10 W 196 0603 Panasonic ECG ERJ 3EKF1472V R10 1 7 5 kO 0 10 W 1 96 0603 Rohm MCROSEZPFX7501 R11 R13 2 100 kO 0 10 W 596 0603 Stackpole RMCF0603JT100K R12 1 0 56 O 0 25 W 1 1206 Panasonic ECG ERJ 8RQFR56V R14 1 10 Q 0 10 W 1 0603 Panasonic ECG ERJ 3EKF10ROV R15 1 18 7 kO 0 10 W 1 96 0603 Panasonic ECG ERJ 3EKF1872V R16 1 20 kO 0 10 W 5 96 0603 Yageo RC0603JR 0720KL R17 1 10 0 0 125 W 1 96 0805 Panasonic ECG ERJ 6ENF10ROV T1 1 transformer Inductor 270 uH 1 A RM5 EPCOS T6593 Q2 1 PNP 300 V 0 5 A TO 92 Fairchild MPSA92 U1 1 Control IC SO16 NXP Semiconductors SSL2101 UM10485 All information provided in this document is subject to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 1 26 August 2011 11 of 15 NXP Semiconductors U M1 0485 120 V AC 7 W GU10 format buck LED driver SSL2101 reference board 9 PCB layout 019aac600 019aac598 a Top layer b Bottom layer TOTZISS Designed in Caru US 019aac599 019aac596 c Top silk d Bottom silk 019aac597 e Drill Fig 11 Board layout UM10485 All information pr
3. addresses please send an email to salesaddresses nxp com Date of release 26 August 2011 Document identifier UM10485
4. names and trademarks are the property of their respective owners NXP B V 2011 All rights reserved User manual Rev 1 1 26 August 2011 14 of 15 NXP Semiconductors U M1 0485 120 V AC 7 W GU10 format buck LED driver SSL2101 reference board 12 Contents 1 Introduction 3 2 Safety warning 5 3 Specifications 5 4 Functional description 6 4 1 General ci decison bene E ede RR s 6 4 2 Dimmer compatibility 6 5 Reference board connections 7 6 Performance data 8 6 1 EMGCIONCY M 8 6 2 Qutput current cepere Settee 8 6 3 Powerfactor 9 6 4 Output Current ripple 9 7 Schematic is cee sed eee ews 10 8 Bill of materials 11 9 PCB layout cicer xx 12 10 Inductor specification 13 11 Legal information 14 11 1 Definitions c s u cerne sua EE ED 14 11 2 Disclaimers os ccas irradiar eseridir 14 11 3 Trademlatks 22cm ens 14 12 ContentS s rr gas as nn vs 15 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 2011 All rights reserved For more information please visit http Awww nxp com For sales office
5. uF RGND 019aac663 Fig 10 Schematic diagram P oneuiauos p1eoq e2ua19j81 LOLC 1SS JAAP Qq371 9nq PWO OLND M Z OV A OZL S8V0 LINN SJOJONPUODIWISS dXN NXP Semiconductors UM10485 120 V AC 7 W GU10 format buck LED driver SSL2101 reference board 8 Bill of materials Table3 Bill of materials Part reference Qty Description value Manufacturer part number C1 C4 2 0 1 uF 630 V 10 1812 TDK C4532X7R2J104K C2 C3 2 10 uF 160 V 20 96 radial Nichicon UPW2C100MPD C5 1 470 uF 25 V 20 96 radial Panasonic ECG ECA 1EHG471 C6 1 4 7 uF 50 V 10 96 1206 TDK C3216X5R1H475K C7 1 4 7 uF 25 V 20 1206 TDK C3216X7R1E475M C8 1 330 pF 25 V 5 0603 AVX 06033A331JAT2A C9 1 180 pF 50 V 5 0603 TDK C1608C0G1H181J C10 1 0 22 uF 250 V 10 radial Panasonic ECG ECQ E2224KF BD1 1 bridge rectifier 600 V 0 8 A MBS 1 ComChip Tech BeS G D1 1 fast recovery diode 400 V 1 A DO214AC Diodes Inc US1G 13 F D2 D3 D4 D6 4 switching diode 200 V 0 25 A SOD80C NXP Semiconductors BAV103 115 D5 1 fast recovery diode 200 V 1 A SMB Diodes Inc MURS120 13 F D7 1 Zener diode 15 V 2 96 SOD80C NXP Semiconductors BZV55C15 115 D8 1 Zener diode 75 V 2 96 SOD80C NXP Semiconductors BZV55B75 115 L2 1 1 mH coil 0 21 A 10 96 SMD Bourns SDR0805 102KL MOV1 1 surge absorber 240 V axial Panasonic ECG ERZ V07D241 R1 R2 2 68 9 0 25 W 1 96 axial Panasonic ECG ERO S2TJ680V R3 1 2
6. 19aac587 lo ripple 37 29 21 13 108 114 120 126 132 Vi V Fig 9 Output current ripple as a function of AC mains input voltage All information provided in this document is subject to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 1 26 August 2011 9 of 15 Ienueui ssn LLOZ 1snBnv 9z L L ed sieuirejosip Jeba 0 joefqns s jueuunoop S14 ui pepi oid uoneuuojul y SL 40 OL S870LAn peAiesei suu Iv LLOZ A S dXN O W1 R1 68 O C10 E ES zen MOVA 022 uF P gt l e 4 mH O US1G 13 F Oc D4 B6S G ei 10uF ZX Bavi03 w2 R2 RGND 0 1 pF D3 a o v Au 0 1 uF MURS120 T 470 HF 68 O L BAV103 Q2 I A I MPSA92 R6 BAV103 T sar 2 4kO 2 S Ei 9 l e RGND R3 SBLEED DRAIN 4 3 5 R4 27KO R5 WBLEED GND n 4 7 kQ 110 kO Vec GND 150 kO Vcc GND GND i ae GND SSL2101 SOURCE R12 100 kQ BZV55B75 J BRIGHTNESS AUX 296 8 wa R11 R10 RC2 ISENSE VCC 100 KQ 7 5 KQ R15 R16 D6 E I cr RC PWMLIMIT BAVIO Ty ci 18 7KQ 20kQ C9 330 pF II Dr 1 180 pF BZV55C15 R17 C6 I 100 4 7
7. UM10485 120 V AC 7 W GU10 buck LED driver reference board using the SSL2101 Rev 1 1 26 August 2011 User manual Document information Info Content Keywords SSL2101 buck LED driver dimmable GU10 Abstract This document describes the application and operation of a 7 W 120 V AC dimmable LED driver featuring SSL2101 The reference board has a form factor that is compatible with the base of a GU10 LED lamp NXP Semiconductors U M1 0485 120 V AC 7 W GU10 format buck LED driver SSL2101 reference board Revision history Rev Date Description v 1 1 20110826 second issue Modifications Section 10 Inductor specification on page 13 has been added v 1 20110705 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 UM10485 All information provided in this document is subject to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 1 26 August 2011 2 of 15 NXP Semiconductors U M1 0485 120 V AC 7 W GU10 format buck LED driver SSL2101 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
8. 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 document describes the application and operation of a 7 W 120 V AC dimmable LED driver featuring SSL2101 The reference board has a form factor that is compatible with the base of a GU10 LED lamp The buck converter topology provides a simple and efficient solution for mains dimmable LED recessed light applications not requiring galvanic isolation The board is designed to drive a 5 LED load delivering an output power of approximately 7 W The typical operating frequency is 54 kHz and the reference board produces a steady output current of 440 mA at an efficiency gt 73 The board is fully compliant with EMC regulations Key features of the reference board include Deep dimming capability Wide dimmer compatibility Small form factor tailored to fit a GU10 lamp Cost effectiveness The board dimensions are shown in Figure 1 The GU10 LED lamp shaped board is designed such that the components allow enough headroom when the board is inserted into the base of the lamp H 15 3 mm e 019aac591 Fig 1 Dimensions of the reference board UM10485 All information provided in this document is subject to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 1
9. ht 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 accepts 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 UM10485 All information provided in this document is subject to lega
10. ins LED and LED The current flows from pin LED to pin LED The connection must ensure that the current enters the LED string from the first LED s anode and exits from the last LED s cathode A voltage meter should be connected across pins LED and LED for a more accurate reading LED string DD l ciren A voltage meter meter l L i B a neutral OW1 O 019aac595 Fig 5 Connection to the reference board Remark All these connections must be made when the input power is switched off After the board is set up for testing some typical measurement procedures are 1 Turn on the power supply 2 Check for the correct LED current and voltage If there is no output turn off the power supply and recheck all connections Once the correct voltage and current are established move to step 3 3 Adjust input voltage within the operating range and observe performance metrics such as the output current regulation efficiency current ripple and power factor 4 To test dimmer compatibility a Turn off the input power supply b Connect a dimmer between input power supply and the input of the driver board c Turn on the power supply and adjust the dimmer to observe the output current and LED light for a smooth flicker free dimming operation UM10485 All information provided in this document is subject to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 1 26 A
11. l disclaimers 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 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 national 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
12. ment is subject to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 1 26 August 2011 5 of 15 NXP Semiconductors U M1 0485 120 V AC 7 W GU10 format buck LED driver SSL2101 reference board 4 Functional description UM10485 4 1 4 2 General The LED driver uses the SSL2101 control IC The SSL2101 is a Switched Mode Power Supply SMPS controller with an integrated MOSFET Detailed information about the operation of SSL2101 can be found in the SSL2101 SMPS IC for dimmable LED lighting data sheet available to download from www nxp com The driver employs buck converter topology The converter operates in Discontinuous Conduction Mode DCM or Boundary Conduction Mode BCM In BCM valley switching detection is used to minimize magnetic component and switching losses while enhancing efficiency A valley fill circuit is added to obtain high power factor on the input side The reference board is triac dimmable When dimmers are used the circuit detects the rectified voltage change and reduces the switching duty cycle to reduce the output current SSL2101 s own internal strong and weak bleeders are used to supplement the current in the circuit to provide for the hold and latch currents required by triac dimmers The circuit shows great dimmer compatibility as can be seen in Table 2 Dimmer compatibility Table 2 Dimmer compatibility test results Manufacturer Model number Voltage ty
13. 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 exclusions and disclaimers shall apply to the maximum extent permitted by applicable law even if any remedy fails of its essential purpose 11 3 Trademarks Notice All referenced brands product names service
14. ovided in this document is subject to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 1 26 August 2011 12 of 15 NXP Semiconductors UM10485 120 V AC 7 W GU10 format buck LED driver SSL2101 reference board 10 Inductor specification dimensions in mm all values without tolerances are typical values top view PWB pattern 0 5 lt 2 54 13 4 max electrical characteristics specified 25 C if not mentioned otherwise typical value inductance L 2 3 270 uH 7 100 mV 10 kHz 100 mV 10 kHz inductance L 2 3 205 uH min 4 Adc DCR 2 3 290 MQ max at 25 C DCR 6 5 510 MQ max at 25 C turns ratio 2 3 6 5 1 338 1 Hypot 2 to 5 500 VAC 50 60 Hz 2 mA max 2 seconds min leakage inductance 2 3 w 5 6 sh TBD max 100 mV 100 kHz Fig 12 Inductor specification operating temperature range 40 C 125 C schematics E marking EPCOS T6593 YYWW YYWW means date code Year and Week packaging remarks 1 ROHS compatible aaa 000467 UM10485 All information provided in this document is subject to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 1 26 August 2011 13 of 15 NXP Semiconductors UM10485 120 V AC 7 W GU10 format buck LED driver SSL2101 reference board 11 Legal informa
15. pe Compatible Lutron S 600 120 V incandescent yes Lutron S 600P 120 V incandescent yes Lutron S600 H 120 V incandescent yes Lutron TG 600PH 120 V incandescent yes Lutron DVW 600PH 120 V incandescent yes Lutron DVW 603GH 120 V incandescent yes Lutron DVM 600PH 120 V incandescent yes Lutron DV 603PG 120 V incandescent yes Lutron DV 600P 120 V incandescent yes Lutron DV Beta Build 120 V incandescent yes Lutron CTCL 153PDH 120 V incandescent yes Lutron GL 600PH 120 V incandescent yes Lutron Credenza S81 120 V incandescent yes Leviton 6631 120 V incandescent yes Leviton 6602 120 V incandescent yes Leviton 6602 1 120 V incandescent yes Leviton RPI06 120 V incandescent yes Unknown GL410A 120 V incandescent yes GE 18021 120 V incandescent flicker GE 52136 120 V incandescent flicker 1 Lamp All information provided in this document is subject to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 1 26 August 2011 6 of 15 NXP Semiconductors U M1 0485 120 V AC 7 W GU10 format buck LED driver SSL2101 reference board 5 Reference board connections The GU10 LED driver board takes a 120 V AC 60 Hz mains supply and supports a 5 LED load Setting up the board for evaluation is straightforward as can be seen in Figure 5 Input pins W1 and W2 are connected to the AC input power live and neutral and an LED string connected in series with a current meter is to the two output p
16. tion 11 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 11 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 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 Rig
17. ugust 2011 7 of 15 NXP Semiconductors UM10485 120 V AC 7 W GU10 format buck LED driver SSL2101 reference board Remark When the output current and voltage are correctly established the current and voltage meters as shown in Figure 5 can be removed The LED string is then connected directly to the output pins LED and LED 6 Performance data UM10485 6 1 6 2 All performance data was obtained using CREE s XPE LEDs Efficiency 019aac584 80 n h ssl O e 70 60 50 108 114 120 126 132 Vi V Fig6 Etficiency as a function of AC mains input voltage Output current 0 46 019aac585 ILED A 0 42 0 38 0 34 108 114 120 126 132 Vi V Fig 7 Output current as a function of AC mains input voltage All information provided in this document is subject to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 1 26 August 2011 8 of 15 NXP Semiconductors U M1 0485 UM10485 6 3 6 4 120 V AC 7 W GU10 format buck LED driver SSL2101 reference board Power factor 1 00 019aac586 PF 0 95 iu l L j 0 90 0 85 0 80 0 75 108 114 120 126 132 Vi V Fig8 Power factor as a function of AC mains input voltage Output Current ripple 45 0
Download Pdf Manuals
Related Search