User Guide for FEBFLS2100XS4CH_L12U160A
Contents
1. Roll 500ms div 250k8 50kS s LeCroy Figure 46 Open LED Protection 8 13 Dimming Characteristics of Current Balancing Part Figure 47 shows the FAN7346 analog dimming characteristic curves for estimated and real measurement values Dimming Characteristic 9 PLEDest E PLEDreal Dimming Voltage Figure 47 Analog Dimming Characteristics O 2012 Fairchild Semiconductor Corporation 28 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 ww fairchildsemi com FAIRCHILD AA SEMICONDUCTOR 8 14 Hold Up Time Test of DC to DC Converter Figure 48 shows the hold up time performance when the AC power source is disconnected Output voltage is maintained for about 34 ms and slowly decreased until FLS2100 stops operation for about 60 ms when the power source is disconnected CH1 Vprc 200 V div CH3 Vour 50 V div CH4 Ij c 2 A div Time Scale 20 ms div File Vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help Measure P1 max C3 P2 freq C2 P3 duty C3 P4 freq C4 P5 rise C1 PB value 120 V status FON i 20 0 msidiv Stop 53 0 V 200 kS 10MS sP Edge Negative X 71 758ms aAX 59 586ms K2 12 172ms 1 AX 16 7825 Hz A Trailing number s in the filename were truncated to allow auto numbering Figure 48 Vprc2. FAIRCHILD ES ww fairchildsemi gem SEMICONDUCTOR User Guide for FEBFLS2100XS4CH_L12U160A 160 W LED Driver at Universal Line Featured Fairchild Products FL7930B FLS2100XS FAN7346 Direct questions or comments about this evaluation board to Worldwide Direct Support Fairchild Semiconductor com 2012 Fairchild Semiconductor Corporation 1 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 WEE FAIRCHILD AA SEMICONDUCTOR ww fairchildsemi om Table of Contents I oe ee E 3 l l General Description of EL IIOOR nnn nnn nnn nnn nnns 3 A n Om 3 1 3 Internal Block Diagram EEE s s s sss sssasssssnsnstsnsnsn0ssnsstassensasasses 4 LA General Description of FLSW EEE s sc csssssesssssesenssssetenenenestnreesns 4 1 5 Features SIII MA 4 4 0 sssisesssstesetesskt stostos 5 1 6 Internal Block Duaoeram nn nn nnn nnn nnns nnn nis 5 1 7 General Description of FA NITO NNN 9 rcccsssrstessssssssutesesossorvezessesessuesssos 6 1 8 A SI RE 6 1 9 Internal Block Diagram PA sssssscstssscsssssssssssresssssses 7 2 Specificatie m oE valuation Board PB eee 8 3 Photos nenn SEIN EEN eessen 9 4 Printe Eee nna Ond ARR e SEEN 10 5 SCHEER aa a a MEN DM 11 Eet Correction PERSIUS A see 11 AD DOE onverter and CIG BAlanCmS SA
3. 11 al El EEE DOTT D 12 6 1 Main Board PFC DC to DC Converter Part 12 Main Board PFC DC to DC Converter Part Continued eene 13 6 2 Sub Board for Current Balancing Part l4 do TEOSTE Design SEEN ces DEED 15 ras Transformer TM 1 ur EEN COO 15 7 2 LLC Resonant Converter Transformer TM 16 Swecmonnmanec of Evaluation Board HEBES DOO 17 cue call System Efficiency RES 17 Sweet Factor PE ERR eene see 18 8 3 Constant Voltage and Current Regulation 19 LIMAO cuM Startup Performance eene a UNN 20 Ma amupserformance of PFC Part d 20 SEM ouUuNubertormance of PFC Part RR 21 8 7 Power On Off Performance of DC to DC Converter Part 22 AS LEE neun sns 24 8 9 Nom peramonmeoimelC Part OO e 25 8 10 Dynamic kenonnance oa seen 26 8 11 Dynamic Performance of DC to DC Converter Bart 27 8 12 Open LED Protection of Current Balancing Part 28 8 13 Dimming Characteristics of Current Balancing Part 28 8 14 Hold Up Time Test of DC to DC Converter 29 8 15 MOSFET Voltage and Current of DC to DC Converter Part 29 8 16 Secondary Side Rectifier Diode Voltage and Current 30 EE EENEG 3l e indes Sneed os ME nS NM SUMI 32 O 2012 Fairchild Semiconductor Corporation 2 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 WEE FAIRCHILD AA SEMICONDUCTOR ww fairchildse
4. 400 V Po 160 W 8 15 MOSFET Voltage and Current of DC to DC Converter Part Figure 49 and Figure 50 show the resonant inductor current low side MOSFET current and low side MOSFET voltage waveforms in primary side at full load and light load CH2 Iiic 2 A div CH3 Vps Low 200 V div CH4 Ip iow 1 A div Time Scale 5 us div EI ca c3 A A Measure P1 max C4 P2freq C4 P3 duty C3 P4 freq C4 P5 rise C1 P6 Measure P1 max C4 P2freq C4 P3 duty C3 P4 freq C4 P5 rise C1 P6 value 763 mA 102 90395 kHz 49 98 value 1 594 93 40142 kHz 50 46 status Y A A status Y A A 2 00 A diw 1 00 A div 4 9800 A 590 0 V ofst 0 mA offset A Trailing number s in the filename were truncated to allow auto numbering Figure 49 Vprc 400 V Po 3W Figure 50 Vprc 400 V Po 160 W 2012 Fairchild Semiconductor Corporation 29 FEBFLS2100XS4CH L12U160A Rev 1 0 1 ww fairchildsemi com FAIRCHILD SEMICONDUCTOR 8 16 Secondary Side Rectifier Diode Voltage and Current Figure 51 and Figure 52 show the resonant inductor current in the primary side rectifier diode current and the rectifier diode voltage waveforms in the secondary side at full load It shows the soft commutation of the rectifier diodes in the secondary side due to below resonant operation Below resonance operation is preferred for high output voltage applications such as street lighting LED systems where the reverse recovery loss in the
5. P5 rise C1 P6 value 250A 271 595 kHz value 218A 256 7955 kHz status Y A status Y A 1 00 A div A 2 910 A ofst 250 kS 3 2 2011 7 42 51 PM A Trailing number s in the filename were truncated to allow auto numbering Figure 37 Vin 235 Vac Figure 38 Vin 265 Vac 1 00 Adiv j 50OOms dw Auto 5 0 MSisf Edge 5 00 msd 5 0 GG 2 910 Aofst 2012 Fairchild Semiconductor Corporation 25 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 BEE FAIRCHILD ei SEMICONDUCTOR ww fairchildsemi com 8 10 Dynamic Performance of PFC Part Figure 39 and Figure 40 show the PFC output voltage change under about 50 V when input voltage changes from 115 Vac to 235 Vac and from 235 Vac to 115 Vac at rated output power 160 W CH1 Vcomp 5 V div CH2 Vprc 20 V div CH4 Inc 2 A div Time Scale 100 ms div OT Measure Math Analysis Utltes Help TNI 385 V lb lll TIT n Ml cl EI C2 i gt A A Measure P1 max C4 P2freq C4 P3 duty C2 P4 fraq C4 P5 rise C1 P6 Measure P1 max C4 P2freq C4 P3 duty C2 P4 fraq C4 P5 rise C1 Pp value 313A 50 29169 Hz value 313A status ft A status fi A 359 8 V By 12 05 Vi EI 48 2 VE A 3 2 2011 4 00 09 AM A Trailing number s in the filename were truncated to allow auto numbering Figure 39 Vin 115 Vac gt 235 Vac Figure 40 Vin 235 Vac gt 115 Vac Figure 41 and Figure 42 show the PFC output voltage change about 50 V when output
6. 0 45 pg FL7930B 2 5 2 88 Figure 1 Block Diagram of FL7930B 1 4 General Description of FLS2100XS The FLS2100XS lighting power controller includes highly integrated power switches for medium to high power lumens applications Offering everything necessary to build a reliable and robust half bridge resonant converter the FLS2100XS simplifies designs and improves productivity and performance The FLS2100XS combines power MOSFETs with fast recovery type body diodes a high side gate drive circuit an accurate current controlled oscillator a frequency limit circuit soft start and built in protection functions The high side gate drive circuit has common mode noise cancellation capability which guarantees stable operation with excellent noise immunity The fast recovery body diode of the MOSFETs improves reliability against abnormal operation conditions while minimizing the effect of reverse recovery Using Zero Voltage Switching ZVS dramatically reduces the switching losses and significantly improves efficiency ZVS also reduces switching noise noticeably which allows a small sized Electromagnetic Interference EMI filter The FLS2100XS can be applied to resonant converter topologies such as series resonant parallel resonant and LLC resonant converters O 2012 Fairchild Semiconductor Corporation 4 FEBFLS2100XS4CH L12U160A Rev 1 0 1 Bee FAIRCHILD El SEMICONDUCTOR ww fairchildsemi com 1 5 Features Variable
7. Frequency Control with 50 Duty Cycle for Half Bridge Resonant Converter Topology High Efficiency through Zero Voltage Switching ZVS Internal UniFET 0 51 Q with Fast Recovery Body Diode Fixed Dead Time 350 ns Optimized for MOSFETs Up to 300 kHz Operating Frequency Auto Restart Operation for All Protections with External LVCC Protection Over Voltage Protection OVP Over Current Protection OCP Abnormal Over Current Protection AOCP Internal Thermal Shutdown TSD 1 6 Internal Block Diagram LVcc Vo 1 LVcc Good V Internal BEF Bias HUV HUV TE LUV LUV o Level High Side Rr EI L Shifter Gate Driver 9 HVcc 10 VcTR AR H Balancing Low Side Delay Gate Driver Shutdown CS Figure 2 Block Diagram of FLS2100XS O 2012 Fairchild Semiconductor Corporation 5 FEBFLS2100XS4CH L12U160A Rev 1 0 1 WEE FAIRCHILD NANA SEMICONDUCTOR ww fairchildsemi com 1 7 General Description of FAN7346 The FAN7346 is an LED current balance controller that controls four LED arrays to maintain equal LED current The FAN7346 has a high withstanding voltage so is suitable for edge type LED BLU and LED lighting To minimize components between primary and secondary the FAN7346 generates an integrated feedback signal The FAN7346 provides various protections over voltage regulation open LED pro
8. V is applied from auxiliary winding of PFC transformer CH1 Vprc 200 V div CH3 Vcc ric 10 V div CH4 Lc 2 A div Time Scale 50 ms div l Measure P1 max C3 P2freq C2 P3 duty C3 P4 fraq C4 P5 rise C1 P 6 value 184V status Y A A 200 Vidiv ofst ositive 50ms X2 65234ms 1 4X 1 52788 Hz 3 2 2011 8 42 40 PM Vprc 400 V Po 160 W Measure P1 max C3 P2freq C2 P3 duty C3 P4 freq C4 P5 rise C1 P6 value 187V status Y A A 200 Vidiv 0 0 Vidin 2 00 A div 200 0 V ofst 0 4 920 A ofst XI X2 195960ms 1 AX 5 11530 Hz 3 2 2011 8 37 13 PM Vprc 400 V Po 160 W Figure 27 O 2012 Fairchild Semiconductor Corporation A Measure P1 max C3 P2freq C2 P3 duty C3 Pa treq C4 P5 rise C1 P6 value 223V status Y A A 20 div 10 0 Vidiv 2 00 A div 200 0 fst 10 10 Y ofst 4 920 A ofst A Trailing number s in the filename were truncated to allow auto numbering Figure 26 Vprc 400 V Po 7W A Measure P1 max C3 P2freq C2 P3 duty C3 P4 freq C4 P5 rise C1 P6 value 208V 99 96 96 x A Trailing number s in the filename were truncated to allow auto numbering Figure 28 Vprc 400 V Po 7 W FEBFLS2100XS4CH L12U160A Rev 1 0 1 ww fairchildsemi com FAIRCHILD AAA SEMICONDUCTOR Figure 29 and Figure 30 show the shutdown waveforms when input voltage source is turned off When the DC bus voltage reaches abou
9. mode CRM PFC controller does not need rectified AC line voltage information it saves the power loss of an input voltage sensing network FL7930B provides over voltage open feedback over current input voltage absent detection and under voltage lockout protections The FL7930B can be disabled if the INV pin voltage is lower than 0 45 V and the operating current decreases to a very low level Using a new variable on time control method Total Harmonic Discharge THD is lower than conventional CRM boost PFC ICs The FL7930B provides an additional OVP pin that can be used to shutdown the boost power stage when output voltage exceeds OVP level due to damaged resistors connected at the INV pin 1 2 Features ow Total Harmonic Distortion THD Precise Adjustable Output Over Voltage Protection OVP Open Feedback Protection and Disable Function Zero Current Detector ZDC 150 us Internal Startup Timer MOSFET Over Current Protection OCP Under Voltage Lockout with 3 5 V Hysteresis UVLO Low Startup 40 uA and Operating Current 1 5 mA Totem Pole Output with High State Clamp 500 800 mA Peak Gate Drive Current SOP 8 Package O 2012 Fairchild Semiconductor Corporation 3 FEBFLS2100XS4CH L12U160A Rev 1 0 1 WEE FAIRCHILD ww fairchildsemi com SEMICONDUCTOR u 1 3 Internal Block Diagram THD Optimized Sawtooth Generator Control Range Compensation disable isable Thermal Shutdown 0 35
10. rectifier diode is severe Time Scale 5 us div P5 rise C1 P6 4 a Measure P1 max C3 P2freq C2 P3 duty C3 P4 freq C4 P5 rise C1 P6 Measure P1 max C3 P2freq C2 P3 duty C3 P4 fraq C4 value 273V 94 78426 kHz value 288 Y 93 07064 kHz Y Y Y Y status status Ay 5 42 ATA 2 5472 3 3 2011 1 14 31 AM LeCroy 3 3 2011 1 16 13 AM Figure 51 Vprc 400 V Po 160 W CH2 hue 1 AN Figure 52 Vprc 400 V Po 160 W CH2 Ip202 2 A div CH3 Vp o1 200 V div CH4 Ipzo 2 A div div CH3 Vp o1 200 V div CH4 Ipzo 2 A div O 2012 Fairchild Semiconductor Corporation 30 FEBFLS2100XS4CH L12U160A Rev 1 0 1 BEES FAIRCHILD El SEMICONDUCTOR 8 17 Operating Temperature Figure 53 and Figure 54 show the temperature checking results on the board in minimum and maximum input voltage condition at the rated LED load condition Spot 51 9 C Spot 37 0 C Box Top Box E Max 68 2 Max 76 1 Circle Circle Max AN 3 Max 40 9 2 E a FLIR FLIR Dist 0 5 Trefl 20 0 0 96 Dist 0 5 Trefl 20 0 0 96 Figure 53 Board Temperature Vin 90 Vac Spot 52 3 Box Max 55 4 Circle Max 50 1 SFLIR SFLIR Dist 0 5 Trefl 20 0 e 0 96 Dist 0 5 Trefl 20 0 e 0 96 Figure 54 Board Temperature Vin 265 Vac 2012 Fairchild Semiconductor Corporation 31 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 Bee FAIRCHILD EE ww fairchildsemi com SEMICO
11. CC performance over a wide input range Measured at 1 CH 1 4 A Output Voltage V 0 4 0 6 0 8 1 Output Current A Figure 16 Constant Voltage and Current Regulation Measured by E Load CR Mode Table 9 Output Voltage Regulation Performance Output 114 70 114 68 11465 114 62 114 60 114 55 114 53 Voltage V Output Output 114 48 114 47 11443 112 37 106 63 101 48 97 65 Voltage V Output 101 RES mA 1415 1413 1413 Table 10 Output Voltage and Current Regulation Performance in CV CC Region Max Output 114 68 V 1 42 A CC CV Min Output 114 43 V 1 41 A 2012 Fairchild Semiconductor Corporation 19 FEBFLS2100XS4CH L12U160A Rev 1 0 1 Em FAIRCHILD gn ww fairchildsemi com SEMICONDUCTOR 8 4 Overall Startup Performance Figure 17 and Figure 18 show the overall startup performance including boost converter LLC resonant converter and CV CC circuitry The output load current starts flowing after about 655 ms and 176 ms for input voltage 95 Vac and 265 Vac condition when the AC input power switch turns on CHI Vcc prc 10 V div CH2 Voc ttc 10 V div CH3 Vee cocv 10 V div CH4 Iroap 1 A div Time Scale 100 ms div e y C2 j i 176 ms gt j 4 655ms a eo i l L L 4 C n Measure P1 max C4 P2freq C4 P3 duty C2 P4 freq C4 P5 rise C1 P6 Measure P1 max C4 P2f
12. CONDUCTORS 1 9 Internal Block Diagram us NIMA LHO LNO O O O zl S zl S Sie DI In WI o Plis Sampling amp Hold Channel Voltage at PWM off ch Minimum Detector Min VREF 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 L 0 0 0 L v 1V 0 0 0 0 0 L 0 0 0 0 0 L 0 0 0 0 0 0 0 L 0 0 VREF 0 0 L 0 0 0 L 0 0 0 0 0 0 0 L 0 L 0 0 0 L v 1V 0 L 0 0 0 L 0 0 L 0 0 0 L 0 0 0 0 0 0 0 L 0 0 VREF 0 0 0 0 I 0 0 0 0 0 I 0 VREF i 0 1V 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 v 1V 0 LI 0 PWM On Off Internal Soft Start 10ms Rising Falling Time Current increases l 400ns 150ns gradually All protections disable except OCP PWM is full duty Clamped 0 5 4V Enable ON Feedback Circuit 400ns 150ns Ref 1V Vi rer V apim 1 0 OLP OCP UVLO 9 5V Control RES SLP OCP Block PWM4 off x reset in PWM rising edge Hysteresis 1 0V m 7 PWM4 PWM2 PWM3 PWM1 ENA On Off 2 A I LL O 5V Max 3mA Voltage Reference VDD OLP SLP OCP Protection 8 5V Figure 3 Block Diagram of FAN7346 2012 Fairchild Semiconductor Corporation 7 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 WEE FAIRCH
13. ILD ES ww fairchildsemi gem SEMICONDUCTOR 2 Specifications for Evaluation Board Table 1 Specifications for LED Lighting Lamp geg Voltage 115 V Nominal Output Voltage 350 mA Each Channels Current CC Deviation lt 0 64 Line amp Load Regulation Based on 1 CH 88 34 Efficiency at 85 Vac Line Input Voltage n 90 98 Efficiency at 115 Vac Line Input Voltage Efficiency Se 94 73 Efficiency at 235 Vac Line Input Voltage 95 12 Efficiency at 265 Vac Line Input Voltage PF THDgsvac 0 989 14 15 PF THD at 85 Vac Line Input Voltage PF THD PF THD115vac 0 988 14 6 PF THD at 115 Vac Line Input Voltage PF THD 35vac 0 968 5 94 PF THD at 235 Vac Line Input Voltage PF THD esvac 0 952 6 26 PF THD at 265 Vac Line Input Voltage All data of the evaluation board was measured with the board enclosed in a case and external temperature around 25 C O 2012 Fairchild Semiconductor Corporation 8 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 WE FAIRCHILD NA SEMICONDUCTOR 3 Photographs LE T 5 gt a ZINO O DI e E pert Figure 4 Top View Dimensions 225 mm L x 80 mm W x 43 mm H TU ul ki wi g Lk ELE LI LCE LI 1 So 93 99 3 S m a A O 2012 Fairchild Semiconductor Corporation 9 FEBFLS2100XS4CH L12U160A Rev 1 0 1 S FAIRCHILD SEMICONDUCTOR 4 Printed Circuit Board TEOL O Figure 6 Top Pattern Figure 7 Bottom
14. ILD FAI M ad 8 emo el SEMICONDUCTOR 7 2 LLC Resonant Converter Transformer TM2 Core EER3543 Bobbin 16 Pin 2 5mm p lt EER3543 16 14 13 Np Ns2 11 3 LN 0000000 e TT Figure 12 Transformer Specifications amp Construction Table 4 Winding Specifications FT Rs A Insulation Polyester Tape t 0 025 mm 3 Layer roto Pees Tape 002 me Slayer Pe Insulation Tape t 0 025 mm 3 Layer Be 13 11 0 1px20 Solenoid Winding Insulation Polyester Tape t 0 025 mm 3 Layer wm 16 14 0 19x10 Center Solenoid Winding 8 Insulation Polyester Tape t 0 025 mm 3 Layer Table 5 Electrical Characteristics Pin Specification Remark Primary Side Inductance Lp 2 8 630 uH 15 100 kHz 1 V Short One of the Secondary Windings Primary Side Effective Leakage Lr 2 8 Maximum 135 uH O 2012 Fairchild Semiconductor Corporation 16 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 m FAIRCHILD Ee SEMICONDUCTOR ww fairchildsemi com 8 Performance of Evaluation Board Table 6 Test Conditions amp Equipment Ambient Temperature Ta 25 C AC Source ES2000S by NF Electronic Load EML 05B by Fujitsu Power Meter PM6000 by Voltech Oscilloscope Wave runner 104Xi by LeCroy Test Equipment 8 1 Overall System Efficiency Figure 13 shows we can get at least 88 overall system efficiency with universal input co
15. NDUCTOR 8 6 Soft Start Performance of PFC Part Figure 21 through Figure 24 show the soft start performance at output power 160 W Measured PFC output voltage reaches 396 8 V and 402 2 V at input voltage 95 Vac and 265 Vac conditions CH2 Vprc 20 V div Time Scale 100 ms div cl c2 y 4 Measure P1 max C4 P2freq C4 P3 duty C2 P4 freq C4 P5 rise C1 Pb Measure P1 max C4 P2freq C4 P3 duty C2 P4 freq C4 P5 rise C1 P6 value 136A value 1 58A status Y A status Y A 100 ms divg Stop 250 kS KG Edge A Trailing number s in the filename were truncated to allow auto numbering A Trailing number s in the filename were truncated to allow auto numbering Figure 21 Vin 95 Vac Figure 22 Viu 115 Vac c2 c2 A Measure P1 max C4 P2freaq C4 P3 duty C2 P4 fraq C4 P5 rise C1 P6 Measure P1 max C4 P2frea C4 P3 duty C2 P4 fraq C4 P5 rise C1 P6 value 1 60A value 1 60 A status Y A status Y A 3 2 2011 3 36 03 AM A Trailing number s in the filename were truncated to allow auto numbering Figure 23 Vin 235 Vac Figure 24 Vin 265 Vac O 2012 Fairchild Semiconductor Corporation 21 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 FAIRCHILD NA SEMICONDUCTOR 8 7 ww fairchildsemi com Power On Off Performance of DC to DC Converter Part Figure 25 through Figure 28 show the startup waveforms when input voltage source 1s supplied first then the Vcc uc of 16
16. NDUCTOR X 9 Revision History nn ome reem Nov 2012 Initial Release Release Mar 2013 Updated pin name eessen FAN7346 in schematic WARNING AND DISCLAIMER Replace components on the Evaluation Board only with those parts shown on the parts list or Bill of Materials in the Users Guide Contact an authorized Fairchild representative with any questions The Evaluation board or kit is for demonstration purposes only and neither the Board nor this User s Guide constitute a sales contract or create any kind of warranty whether express or implied as to the applications or products involved Fairchild warrantees that its products meet Fairchild s published specifications but does not guarantee that its products work in any specific application Fairchild reserves the right to make changes without notice to any products described herein to improve reliability function or design Either the applicable sales contract signed by Fairchild and Buyer or if no contract exists Fairchild s standard Terms and Conditions on the back of Fairchild invoices govern the terms of sale of the products described herein DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY FUNCTION OR DESIGN FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATE
17. NT RIGHTS NOR THE RIGHTS OF OTHERS LIFE SUPPORT POLICY FAIRCHILD S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or systems which a are 2 A critical component is any component of a life support device or intended for surgical implant into the body or b support or sustain system whose failure to perform can be reasonably expected to life or c whose failure to perform when properly used in accordance cause the failure of the life support device or system or to affect its with instructions for use provided in the labeling can be reasonably safety or effectiveness expected to result in significant injury to the user ANTI COUNTERFEITING POLICY Fairchild Semiconductor Corporation s Anti Counterfeiting Policy Fairchild s Anti Counterfeiting Policy is also stated on our external website www fairchildsemi com under Sales Support Counterfeiting of semiconductor parts is a growing problem in the industry All manufacturers of semiconductor products are experiencing counterfeiting of their parts Customers who inadvertently purchase counterfeit parts experience many problems such as loss of brand reputation substandard performance failed applications and increased cost of production and manufacturing delays Fairchild is taking stro
18. Pattern Figure8 Top Bottom Sub Board Current Balacing Part Pattern O 2012 Fairchild Semiconductor Corporation 10 FEBFLS2100XS4CH L12U160A Rev 1 0 1 WEE FAIRCHILD AA SEMICONDUCTOR ww fairchildsemi com K 5 Schematic 5 1 Power Factor Correction PFC R104 n R105 R124 R125 R118 Ee D102 O PFC D101 m OUT 2000 0000 e R120 C106 V ZNR2 JL R121 y C110 Q102 R115 ERR NN V eB E AUX u R116 Byes bros rt C112 C105 Zu C104 D106 D110 R108 D103 ne D108 fg E un o C107 C108 LF1012 R107 C101 S lilo we ZNR1 F1 E G TH1 C109 C117 C119 C120 TH2 R109 R106 R113 eue vw ell V V V Vac Figure 9 Schematic for PFC Part 5 2 DC to DC Converter and Current Balancing PFC C123 TM2 D201 C201 C202 C203 Vuen OUT R129 gt RS8 e R128 D202 CS6 RS10 ki al R201 R130 e D203 U201 L L R203 C206 C205 C204 C124 il R136 R135 R134 126 VCTR R202 D204 JA PC101 c127 c114 C116 C125 R127 CS9 RS19 RS20 RS21 m Fault RS27 RS28 RS24 3 P i V E Vuen L RS9 L U1 CS14 CS15 CS12 CS16 RS4 R41 RS5 RS7 CS3 Optional Figure 10 Schematic for DC to DC Converter and Current Balancing Part O 2012 Fairchild Semiconductor Corporation 11 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 A SSS S FAIRCHILD SEMICONDUCTOR ww fairchildsemi com de t ie 6 Bill of Materials Main Board PFC DC to DC Converte
19. Vac ry B Measure P1 max C4 P2freq C4 P3 duty C2 P4 freq C4 P5 rise C1 P6 Measure P1 max C4 P2freq C4 P3 duty C2 P4 fraq C4 P5 rise C1 P6 value 119A 49 982006 Hz value 1114 49 688947 Hz status Y Y status Y Y Trigger 3E imebase 00ms 00 10 0 msidivg Auto 2 5 MS s gge 250 KS A Trailing number s in the filename were truncated to allow auto numbering Figure 33 Vin 235 Vac Figure 34 Vin 265 Vac O 2012 Fairchild Semiconductor Corporation 24 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 FAIRCHILD Pen ww fairchildsgmi 9m SEMICONDUCTOR 8 9 Normal Operation of PFC Part Figure 35 through Figure 38 show the AC input and MOSFET dram current waveforms at the rated output power for 160 W input voltage 95 Vac and 265 Vac condition CH2 Inc 2 A div CH4 Ip 500 mA div Time Scale 5 ms div Measure P1 max C4 P2freq C4 P3 duty C2 P4 freq C4 P5 rise C1 P6 Measure P1 max C4 P2freq C4 P3 duty C2 P4 fraq C4 P5 rise C1 P6 value 5 57 A 62 0958 kHz value 4604 21 7524 kHz status Y A status Y A C2 DC 2 00 A div 50Oms dw Auto 120 mA 4 1200 A d SL SO Edge Positive 4 1200 A 5 fs 3 2 2011 7 44 20 PM A Trailing number s in the filename were truncated to allow auto numbering Figure 35 Vin 95 Vac Figure 36 Vin 115 Vac Measure P1 max C4 P2freq C4 P3 duty C2 P4 freq C4 P5 rise C1 P6 Measure P1 max C4 P2freq C4 P3 duty C2 P4 fraq C4
20. ic Performance of DC to DC Converter Part Figure 45 shows the load transient waveform at nominal input voltage CH2 Ij oAp 1 A div CH3 Vour 1 Vac div CH4 Ij c 2 A div Time Scale 100 ms div File Vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help Measure P1 max C3 P2 freq C2 P3 duty C 3 P4 freq C4 P5 rise C1 PB value 959 mv status Y A 1 00 A div 1 00 Widiw 2 00 Afdiv 1 9700 A 40 mA ofst LeCroy 3 3 2011 1 45 08 AM Figure 45 Vin 95 Vac Po 160 W gt 50 W O 2012 Fairchild Semiconductor Corporation 2r FEBFLS2100XS4CH_L12U160A Rev 1 0 1 E FAIRCHILD NN SEMICONDUCTOR ww fairchildsemi com 8 12 Open LED Protection of Current Balancing Part Figure 46 shows the operation waveforms when LED load is open at t0 and restored at t1 The FAN7346 can detect open LED condition The Open LED Protection OLP is auto recovery protection when feedback drain voltage is higher than 0 3 V CHI Vip 100 V div CH2 Vos NOR 500 mV div CH3 V Ds OPEN 500 mV div CH4 ILeD OPEN 200 mA div Time Scale 500 ms div File Vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help Open LED Restore LED Na tO t1 C2 Measure P1 maxic1 P2 freq C4 FIJOUV UJ P4 freq C4 P5rrise C1 Pb value 118 5 V status imebase 0 005 Tri 500 mVidiv 500 mVidiv 2 0000 V 1 0000 Y
21. mi com This user guide supports the evaluation kit for the FL7930B FLS2100XS and FAN7346 orderable as FEBFLS2100XS4CH LI2U160A It should be used in conjunction with the product datasheets as well as Fairchild s application notes and technical support team Please visit Fairchild s website at www fairchildsemi com 1 Introduction This document describes the proposed solution for an 160 W LED ballast which consists of a boost converter for Power Factor Correction PFC DC DC converter with LLC resonant converter and current balancing for LED current regulation The input voltage range is 90 Vrms 265 Vrms and there is one DC output with a constant current of 1 4 A at 115 Vmax The power supply mainly utilizes Fairchild Semiconductor components FL7930B CRM PFC controller FLS2100XS Half Bridge LLC controller FAN7346 4 channel current balance controller FDP22N50N UniFET technology N channel MOSFET and FFPFOSH60S hyperfast 2 rectifier This document contains schematic bill of materials printed circuit layout transformer design documentation and typical operating characteristics 1 1 General Description of FL7730B The FL7930B is an active Power Factor Correction PFC controller for low to high power lumens applications that operate in Critical Conduction Mode CRM It uses a voltage mode PWM that compares an internal ramp signal with the error amplifier output to generate a MOSFET turn off signal Because the voltage
22. miconductor Optional 111 Optional Opinar 000000 Optional 0000000000 optional 000000000 1 SMD Resistor 2012 Option 0000000 1 SMDResistor 2012 1 SMD Resistor 2012 4 SMD Resistor 2012 4 SMD Resistor 2017 6 SMDRessto2002 4 SMD Resistor 3216 0 0 No Connection 4 Jo Capacitor O 2012 Fairchild Semiconductor Corporation 14 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 SSS S FAIRCHILD PE ww faircalidsqni d SEMICONDUCTOR u Z Transformer Design 71 PFC Transformer TM1 Core EER3019N SAMHWA PL 7 Bobbin 10 Pin NauxB 6 10 1 2 AE NauxA 10 Nauxa 0 39 5T id 1 2 9 Np 0 1 50 7 39T NauxB Np 0 39 5T 6 3 4 Figure 11 Transformer Specifications amp Construction Table 2 Winding Specifications Winding No Winding Pin S gt F Wire Turns Method 1 Np 3 4 1 2 0 19 x 50 39 Ts Solenoid Winding 2 Insulation Polyester Tape t 0 025 mm 3 Layer 3 NauxA 10 9 0 30 5 Ts Solenoid Winding 4 Insulation Polyester Tape t 0 025 mm 3 Layer 5 NauxB 6 7 0 39 5 Ts Solenoid Winding 6 Insulation Polyester Tape t 0 025 mm 3 Layer Table 3 Electrical Characteristics Pin Specifications Remark 3 4 1 2 194 uH 5 100 kHz 1 V O 2012 Fairchild Semiconductor Corporation 15 FEBFLS2100XS4CH L12U160A Rev 1 0 1 FAIRCH
23. ndition at rated output LED load Efficiency Yo Input Voltage Figure 13 System Efficiency Curve Table 7 System Efficiency Input Voltage 115 Vac 235 Vac 265 Vac Output Power W 161 80 161 86 161 75 161 75 Efficiency 88 34 90 98 94 73 95 12 2012 Fairchild Semiconductor Corporation 17 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 m FAIRCHILD Ee SEMICONDUCTOR ww fairchildsemi com 8 2 Power Factor PF Figure 14 shows at least 9599 power factor PF with universal input condition at rated output LED load PF 96 235V Input Voltage Figure 14 Power Factor Curve Table 8 Power Factor Input Voltage 115 EN 235 E 265 EN 9879 79 95 9528 9684 84 Power Factor 96 98 90 Figure 15 shows the current harmonic result at rated output power 160 W and input voltage 230 Vac and 50 Hz condition based on IEC61000 3 Class C for lighting applications This meets the international regulations Reading 1 2 0 x Normalised Limit 1 5 x Normalised Limit Normalised Limit 3 5 7 9 Eh TT 349 T 23 JD JF D 31 398 35 Si 5 228 Next gt Figure 15 Total Harmonic Distortion THD O 2012 Fairchild Semiconductor Corporation 18 FEBFLS2100XS4CH L12U160A Rev 1 0 1 Bee FAIRCHILD a ww fairdhildsemi com SEMICONDUCTOR 8 3 Constant Voltage and Current Regulation Figure 16 Table 9 and Table 10 show the typical CC CV performance on the board showing very stable
24. ng measures to protect ourselves and our customers from the proliferation of counterfeit parts Fairchild strongly encourages customers to purchase Fairchild parts either directly from Fairchild or from Authorized Fairchild Distributors who are listed by country on our web page cited above Products customers buy either from Fairchild directly or from Authorized Fairchild Distributors are genuine parts have full traceability meet Fairchild s quality standards for handling and storage and provide access to Fairchild s full range of up to date technical and product information Fairchild and our Authorized Distributors will stand behind all warranties and will appropriately address any warranty issues that may arise Fairchild will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources Fairchild is committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors O 2012 Fairchild Semiconductor Corporation 32 FEBFLS2100XS4CH_L12U160A Rev 1 0 1
25. power changies from 30 W to 160 W and from 160 W to 30 W at input voltage is 115 Vac CHI Vcomp 5 V div CH2 V prc 20 V div CH4 lac 2 A div Time Scale 100 ms div A Measure P1 max C4 P2freq C4 P3 duty C2 P4 freq C4 P5 rise C1 P6 Measure P1 max C4 P2freq C4 P3 duty C2 P4 freq C4 P5 rise C1 P6 value 312A 60 4166 Hz value 213A 59 9520 Hz status ft RJ status Y RA 40 8 1 A 359 6 V PAL ES 48 4 Ay 10 20 VI Gy EUR AU E Y A Trailing number s in the filename were truncated to allow auto numbering A Trailing number s in the filename were truncated to allow auto numbering Figure 41 Vin 115 Vac Po 30 W gt 160 W Figure 42 Viu 115 Vac Po 160 W gt 30 W O 2012 Fairchild Semiconductor Corporation 26 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 En FAIRCHILD ww fairdhlldsemi com SEMICONDUCTOR Figure 43 and Figure 44 show the PFC output voltage change about 40 V when output power changes from 30 W to 160 W and from 160 W to 30 W at input voltage is 235 Vac CHI Vcomp 5 V div CH2 V PFC 20 V div CH4 Tac 2 A div Time Scale 100 ms div Lulu AAA AM Vm MA MY senes D 404 2 V 382 V 405 8 V status Y 5 00 Vidiv 205V gt 5 cepere in erk runda allow auto numbering Geer in the Gecken trune sted to allow auto numbering Figure 43 Vin 235 Vac Po 30 W gt 160 W Figure 44 Vin 235 Vac Po 160 W gt 30 W 8 11 Dynam
26. r Part e e i hmm vu ECR 3 pour re 1 _ Opto Coupler Faria Semiconductor Tome er 3 jk ceew O 5 emeng 47000 2 Y Captor 8 ce Tore Fim Capacitor e ow mere Eecroyic Gapactor e Togo 0204 020 0206 seim S teemyicCamadu 4 nous Ne no comen Lm ons ossy 1 Jeepen rae cw ET 1 Crip Capactor 777 w EC 3 pen me Nem TR O 2012 Fairchild Semiconductor Corporation 12 FEBFLS2100XS4CH L12U160A Rev 1 0 1 BEE A FAIRCHILD AN es ww fairchildsemi eam SEMICONDUCTOR Es Main Board PFC DC to DC Converter Part Continued Cao osa apen 4 Roo Rn RSL RIS Ros tons 5 SMD Resistr s268 s mmm mune somay 6 SHO Resi 2218 5 rars we NComeo e reme ss a jne WEE oe E HEN m NER Tv Lp 850 uH O 2012 Fairchild Semiconductor Corporation 13 FEBFLS2100XS4CH L12U160A Rev 1 0 1 FAIRCHILD EA ww fairchildsemi cam SEMICONDUCTOR 6 2 Sub Board for Current Balancing Part FAN7346 SOP 28 Fairchild Semiconductor Q1 Q2 Q3 Q4 FQT4N25 4 Fairchild Semiconductor N C Optional Optional Optional Optional Optional SMD Resistor 2012 Optional SMD Resistor 2012 SMD Resistor 2012 SMD Resistor 2012 SMD Resistor 2012 SMD Resistor 2012 SMD Resistor 3216 No Connection 1 MOQ J 1 4 E 7 C 4 Feichid Se
27. req C4 P3 duty C2 P4 freq C4 P5 rise C1 P6 value 1 33A value 1 40A status Y A status Y EN 10 0 Vidiv 10 0 Vidiv 10 0 Vidiv 10 0 Vidiv 20 50 V ofst 0 mV offset 20 00 V ofst 250 kS 250 kS dge 20 00 V ofst 250 kS 25 n X1 66510ms AS L X1 183152ms AS 17644ms X2 9J6ms 1405 1 52593 Hz T r T Aly X2 6 708ms tc 5 6675 Hz a y oy 34 VES lla 3 2 2011 3 01 10 AM A Trailing number s in the filename were truncated to allow auto numbering 8 5 Startup Performance of PFC Part Figure 19 and Figure 20 show the typical startup performance on PFC converter A long startup time is possible at 95 Vac condition rather than 265 Vac condition This time normally depends on starting resistor and capacitor on board CHI Vcc pre 10 V div CH2 Verc 100 V div Time Scale 200 ms div M A Measure P1 max C4 P2freq C4 P3 duty C2 P4 freq C4 P5 rise C1 P6 Measure P1 max C4 P2freq C4 P3 duty C2 P4 freq C4 P5 rise C1 P6 value 1 33A value 140A status Y A status Y A 250kS8 250 kS s XI 55 01 X2 101 30ms 1 8X 6 3975 Hz 200 kS de Edge ositiva X1 33473ms AS 63415ms X2 299 42ms 14 1 57691 Hz amp 50 V 3 2 2011 3 11 47 AM A Trailing number s in the filename were truncated to allow auto numbering Figure 19 Vin 95 Vac Figure 20 Vin 265 Vac O 2012 Fairchild Semiconductor Corporation 20 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 FAIRCHILD a ww fairdhlldsemi com SEMICO
28. t 260 V the external brownout circuit disconnects Vcc uc from FLS2100XS so it stops operation CH1 Vprc 200 V div CH3 Vecitic 10 V div CH4 Ij c 2 A div Time Scale 100 ms div A A Measure P1 max C3 P2freq C2 P3 duty C3 P4 freq C4 P5 rise C1 P6 Measure P1 max C3 P2freq C2 P3 duty C3 P4 fraq C4 P5 rise C1 P6 value 171V value 16 2V status Y A a A A 2 00 A div 4 920 A ofst A Trailing number s in the filename were truncated to allow auto numbering 2 00 A div 4 920 A ofst Figure 29 Vprc 400 V Po 160 W Figure 30 Vprc 400 V Po 7W O 2012 Fairchild Semiconductor Corporation 23 FEBFLS2100XS4CH_L12U160A Rev 1 0 1 FAIRCHILD Fee ww fairdhildsemi com SEMICONDUCTOR 8 8 AC Input Current Figure 31 through Figure 34 show the AC input current waveforms at the rated output power 160 W input voltage 95 Vac and 265 Vac condition CH4 Iac 1 A div Time Scale 10 ms div a C4 l i B Measure P1 max C4 P2freq C4 P3 duty C2 P4 freq C4 P5 rise C1 P6 Measure P1 max C4 P2freq C4 P3 duty C 2 P4 fraq C4 P5 rise C1 P6 value 254A 49 713649 Hz value 210A 50 259338 Hz status Y Y status Y Y imebase DOMS Uj Sto 10 0 msd S 2 5 MSis dge A Trailing number s in the filename were truncated to allow auto numbering A Trailing number s in the filename were truncated to allow auto numbering Figure 31 Vin 95 Vac Figure 32 Vin 115
29. tection thermal protection and drain source voltage protection of the regulating switch the FAN7346 monitors all LED arrays drain source voltage for protection To increase system reliability FAN7346 applies individual string protection Because FAN7346 integrates so many functions it reduces overall BOM costs LED brightness can be linearly varied up to LED current by applying an external Pulse Width Modulated PWM signal to the PWM pin 1 8 Features Linear Balance Control for 4 Channel LED Arrays Wide LED String Voltage Range 100 V Wide Vcc Voltage 10 5 V to 35 V External Linear Regulation Switch MOSFET or Bipolar Junction Transistor BJT Internal Voltage Regulator for Feedback Monitoring Drain Source Voltage of External Switch Precision Current Accuracy Trimmed to 1 5 Supports External PWM Dimming Positive Supports Wide Dimming Ratio 0 5 100 Adaptive Linear Regulation Method Generate Integrated Feedback Signal for Primary Controller Current Feedback PWM Dimming High Efficiency by Primary Side Direct Feedback Thermal Shutdown Auto Recovery Over Voltage Regulation Channel Individual Open LED Protection OLP Channel Individual Short LED Protection Channel Individual Over Current Protection OCP Error Flag Output 28 Pin SOIC Package O 2012 Fairchild Semiconductor Corporation 6 FEBFLS2100XS4CH L12U160A Rev 1 0 1 FAIRCHILD ww fairchildsemi gem SEMI
Download Pdf Manuals
Related Search