Microchip Technology HV9805, User Manual

Page 1: ... 2015 Microchip Technology Inc DS50002347A HV9805 230VAC Off Line LED Driver Evaluation Board User s Guide ...

Page 2: ... Microchip s code protection feature may be a violation of the Digital Millennium Copyright Act If such acts allow unauthorized access to your software or other copyrighted work you may have a right to sue for relief under that Act Microchip received ISO TS 16949 2009 certification for its worldwide headquarters design and wafer fabrication facilities in Chandler and Tempe Arizona Gresham Oregon a...

Page 3: ...HV9805 230VAC Off Line LED Driver Evaluation Board User s Guide 2015 Microchip Technology Inc DS50002347A page 3 Object of Declaration HV9805 230VAC Off Line LED Driver Evaluation Board ...

Page 4: ...HV9805 230VAC Off Line LED Driver Evaluation Board User s Guide DS50002347A page 4 2015 Microchip Technology Inc NOTES ...

Page 5: ...1 4 What does the HV9805 230VAC Off Line LED Driver Evaluation Board Include 14 Chapter 2 Installation and Operation 2 1 Introduction 15 2 1 1 Board Features 15 2 2 Getting Started 15 2 2 1 Powering the HV9805 230VAC Off Line LED Driver Evaluation Board 15 2 3 How does the HV9805 230VAC Off Line LED Driver Evaluation Board Work 16 2 4 Board Testing Test Points Waveforms and Overall Measured Parame...

Page 6: ...HV9805 230VAC Off Line LED Driver Evaluation Board User s Guide DS50002347A page 6 2015 Microchip Technology Inc NOTES ...

Page 7: ...nd a description of the user s guide Appendix A Schematic and Layouts Shows the schematic and layout diagrams for the HV9805 230VAC Off Line LED Driver Evaluation Board Appendix B Bill of Materials BOM Lists the parts used to build the HV9805 230VAC Off Line LED Driver Evaluation Board NOTICE TO CUSTOMERS All documentation becomes dated and this manual is no exception Microchip tools and documenta...

Page 8: ... File Save Bold characters A dialog button Click OK A tab Click the Power tab N Rnnnn A number in verilog format where N is the total number of digits R is the radix and n is a digit 4 b0010 2 hF1 Text in angle brackets A key on the keyboard Press Enter F1 Courier New font Plain Courier New Sample source code define START Filenames autoexec bat File paths c mcc18 h Keywords _asm _endasm static Com...

Page 9: ...ents latest software releases and archived software General Technical Support Frequently Asked Questions FAQs technical support requests online discussion groups Microchip consultant program member listing Business of Microchip Product selector and ordering guides latest Microchip press releases listing of seminars and events listings of Microchip sales offices distributors and factory representat...

Page 10: ...HV9805 230VAC Off Line LED Driver Evaluation Board User s Guide DS50002347A page 10 2015 Microchip Technology Inc NOTES ...

Page 11: ...stage a boundary conduction mode boost converter transfers power from the AC line to a second stage with high power factor and high efficiency The second stage a linear regulator arranged for operation with low overhead voltage transfers power from the first stage to the LED load with true constant current and protects the LED load from overvoltage that may pass from mains to the output of the fir...

Page 12: ...ripple b Overvoltage protection for LEDs c High efficiency d 4 temperature reference accuracy Simple VDD Supply No auxiliary winding required Boost Converter Cascode Switch Internal switch rated at 700 mA peak Supports up to 25W at 120VAC Supports up to 50W at 230VAC Compatibility with SEPIC Topology for Low Output Voltage Applications Available Package 10 Lead MSOP FIGURE 1 1 Typical HV9805 Off L...

Page 13: ...LEDs to the bus results in relatively large LED current ripple direct exposure of LEDs to line voltage transients 1 2 2 2 SECOND STAGE LINEAR REGULATOR IN SERIES WITH LED LOAD Arranged as a constant current regulator with fast response 1 kHz LED current is true DC LEDs are protected from line overvoltage Linear regulator lowers efficiency about 2 Continuous Current Regulator CCR maintains the head...

Page 14: ...e following topology 420 430V output Boost Converter application followed by a LED side linear current regulator supplied from the mains 230VAC to drive a 130 150 LED string The HV9805 230VAC Off Line LED Driver Evaluation Board was developed to help engineers reduce the product design cycle time 1 4 WHAT DOES THE HV9805 230VAC OFF LINE LED DRIVER EVALUATION BOARD INCLUDE The HV9805 230VAC Off Lin...

Page 15: ... HV9805 230VAC Off Line LED Driver Evaluation Board has the following features Input Voltage 230VAC 15 at 50 Hz Typical Output Capability up to 125 mA Efficiency over 90 Pulse Width Modulation PWM Operation up to 135 kHz 2 2 GETTING STARTED The HV9805 230VAC Off Line LED Driver Evaluation Board is fully assembled and tested to evaluate and demonstrate the HV9805 LED driver 2 2 1 Powering the HV980...

Page 16: ...805 driver directly from the 230VAC mains and an LED load with constant current also controlling the power factor The topology used in this evaluation board is a Boundary Conduction Mode BCM boost converter followed by a linear current regulator on the LED side in order to assure true current and high efficiency The HV9805 device has the following regulators The VDD regulator which is inside the c...

Page 17: ... DISSIPATION OF THE LED CURRENT REGULATOR For VHDC 7 5V Then KDIV 1 25 7 5 0 166 Therefore RHVT RHVB 5 0 Then RHVB 10 kΩ Choose RHVT 50 kΩ VREF HVR VHDC KDIV KDIV RHVB RHVB RHVT Where VREF HVR 1 25V VHDC DC level of the headroom voltage KDIV Attenuation of the headroom voltage divider RHVT RHVB Top and bottom resistor of the headroom voltage divider If a 140 LED string is used a forward voltage dr...

Page 18: ...he output current on the LED side stays regulated IOUT 90 mA 5 Set the power supply to 270VAC and verify if the output current on the LED side stays regulated IOUT 90 mA Also check that the voltage stays regulated on V2 near the value 415V 2 4 2 Test Points Waveforms The board has several test points that help engineers to analyze the switch node s waveforms of HV9805 device output The regulated h...

Page 19: ...oost Inductor Voltage TP1 and DRV Pin Voltage TP4 Working on the Lower Side of the Sinus Wave Input Voltage FIGURE 2 4 Boost Inductor Voltage TP1 and DRV Pin Voltage TP4 Working on the Upper Side of the Sinus Wave Input Voltage TP1 Boost Inductor L3 Voltage TP4 DRV Pin of HV9805 6 0V div 200V div 10 μs div TP1 Boost Inductor L3 Voltage 200V div TP4 DRV Pin of HV9805 6 0V div 10 μs div ...

Page 20: ... LED Load Voltage TP12 TP13 and DRV Pin Voltage TP4 in Operation Mode FIGURE 2 6 LED Load Voltage TP12 TP13 and DRV Pin Voltage TP4 in Start up Mode TP11 Total Output Voltage 200V div TP4 DRV Pin of HV9805 6 0V div 50 ms div Operation Status TP11 Total Output Voltage 200V div TP4 DRV Pin of HV9805 6 0V div Start Up 50 ms div ...

Page 21: ...URE 2 7 LED Load Voltage TP12 TP13 and DRV Pin Voltage TP4 in Stop Mode FIGURE 2 8 Input Voltage and Input Current Phase Look TP11 Total Output Voltage 200V div TP4 DRV Pin of HV9805 6 0V div 50 ms div Stop Input Voltage Off Input Voltage 100V div 10 ms div Input Current 200 mA div ...

Page 22: ... DC Line Voltage TP2 and DRV Pin Voltage TP4 in Operation Mode FIGURE 2 10 HV9805 Supply Voltage VDD pin TP6 and Control Gate Voltage TP7 CRG PIN at Start up Mode TP2 DC Input Voltage 200V div 5 0 ms div TP4 DRV Pin of HV9805 6 0V div TP6 VDD Pin of HV9805 50 0 ms div 5 0V div TP7 CRG Pin of HV9805 Start Up 2 0V div Start Up ...

Page 23: ...4 3 Overall Measured Parameters The overall parameters of the evaluation board are presented in the Figures 2 12 2 16 FIGURE 2 12 Variation of the LED Current Vs Mains Input Voltage TP6 VDD Pin of HV9805 5 0V div TP7 CRG Pin of HV9805 2 0V div 50 0 ms div STOP 0 10 20 30 40 50 60 70 80 90 100 180 190 200 210 220 230 240 250 260 270 280 LED Current I LED mA Input Voltage VRMS ...

Page 24: ...GURE 2 13 Variation of Input Current and Input Voltage FIGURE 2 14 Total Harmonic Distortion THD and Input Voltage 0 50 100 150 200 250 300 90 100 110 120 130 140 150 160 Input Current mA 506 Input Voltage VRMS 0 0 5 1 1 5 2 2 5 180 190 200 210 220 230 240 250 260 270 280 Total Harmonic Distorsion Input Voltage VRMS ...

Page 25: ...d Input Voltage FIGURE 2 16 Power Factor PF and Input Voltage 60 00 65 00 70 00 75 00 80 00 85 00 90 00 95 00 180 190 200 210 220 230 240 250 260 270 280 Efficiency Input Voltage VRMS 0 8 0 825 0 85 0 875 0 9 0 925 0 95 0 975 1 180 190 200 210 220 230 240 250 260 270 280 Power Factor Input Voltage VRMS ...

Page 26: ...HV9805 230VAC Off Line LED Driver Evaluation Board User s Guide DS50002347A page 26 2015 Microchip Technology Inc NOTES ...

Page 27: ...chip Technology Inc DS50002347A page 27 Appendix A Schematic and Layouts A 1 INTRODUCTION This appendix contains the following schematics and layouts for the HV9805 230VAC Off Line LED Driver Evaluation Board Board Schematic Board Top Silk Board Top Copper Board Bottom Copper ...

Page 28: ...D GND GND 2 1 3 BSP130 M2 2 1 3 SPD03N60C3 M1 22R 1206 1 R11A 22R 1206 1 R11B GND 1M 1206 1 R6A 1M 1206 1 R6B 1A 600V STTH1L06A D1 22u 450V EEVEB2W220M C8A GND 18V Z2 0 1uF 50V 0805 C10 GND 2M 0805 1 R1A 1M 0805 1 R1B 1M 0805 1 R1C 11k 0805 1 R3 0 01uF 50V 0805 C7 GND GND 62k 0805 1 R12 10k 0805 1 R13 1 3 4 7V D2 GND GND TP PAD PCB 1 6x1 TP2 TP PAD PCB 1 6x1 TP1 TP PAD PCB 1 6x1 TP7 TP PAD PCB 1 6...

Page 29: ...Schematic and Layouts 2015 Microchip Technology Inc DS50002347A page 29 A 3 BOARD TOP SILK A 4 BOARD TOP COPPER ...

Page 30: ...HV9805 230VAC Off Line LED Driver Evaluation Board User s Guide DS50002347A page 30 2015 Microchip Technology Inc A 5 BOARD BOTTOM COPPER ...

Page 31: ...1C225K125AB 1 C22 Cap ceramic 10 pF 1 kV 10 C0G SMD 1206 Kemet C1206C100KDGACTU 1 CMC1 Inductor Common Mode 6500 UH 0 3A Bourns Inc SRF0905 652Y 1 D1 Diode UltraFast 1A 600V 80 ns SMA STMicroelectronics STTH1L06A 1 D2 Diode Zener 4 7V 350 MW SOT23 3 Fairchild Semiconductor BZX84C4V7 1 DN1 Diode Array GP 70V 200 MA SOT23 3 Fairchild Semiconductor BAV99 1 F1 Fuse Board Mount 2A 300VAC RAD Littelfuse...

Page 32: ...MD 0805 Yageo Corporation RC0805FR 0762KL 4 R13 R8 R10 Res 10k 1 1 16W SMD 0805 Yageo Corporation RC0805FR 0710KL 1 R22 Res 1k 1 1 4W SMD 1206 Yageo Corporation RC1206FR 071KL 1 R1A Res 2M 1 1 8W SMD 0805 Yageo Corporation RC0805FR 072ML 2 R1B R1C Res 1M 1 1 8W SMD 0805 Yageo Corporation RC0805FR 071ML 2 R6A R6B Res 1M 1 1 4W SMD 1206 Yageo Corporation RC1206FR 071ML 2 R9A R9B Res 6R8 1 1 4W SMD 1...

Page 33: ...Bill of Materials BOM 2015 Microchip Technology Inc DS50002347A page 33 NOTES ...

Page 34: ... 86 24 2334 2829 Fax 86 24 2334 2393 China Shenzhen Tel 86 755 8864 2200 Fax 86 755 8203 1760 China Wuhan Tel 86 27 5980 5300 Fax 86 27 5980 5118 China Xian Tel 86 29 8833 7252 Fax 86 29 8833 7256 ASIA PACIFIC China Xiamen Tel 86 592 2388138 Fax 86 592 2388130 China Zhuhai Tel 86 756 3210040 Fax 86 756 3210049 India Bangalore Tel 91 80 3090 4444 Fax 91 80 3090 4123 India New Delhi Tel 91 11 4160 8...

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