Microchip Technology HV9805 User Manual
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Microchip Technology HV9805 User Manual

Microchip Technology HV9805 User Manual

230vac off-line led driver
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HV9805
230V
Off-Line LED Driver
AC

Evaluation Board

User's Guide
 2015 Microchip Technology Inc.
DS50002347A

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Summary of Contents for Microchip Technology HV9805

  • Page 1: Evaluation Board

    HV9805 230V Off-Line LED Driver Evaluation Board User’s Guide  2015 Microchip Technology Inc. DS50002347A...
  • Page 2 WiperLock, Wireless DNA, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries.
  • Page 3 HV9805 230V Off-Line LED Driver Evaluation Board User’s Guide Object of Declaration: HV9805 230V Off-Line LED Driver Evaluation Board  2015 Microchip Technology Inc. DS50002347A-page 3...
  • Page 4 HV9805 230V Off-Line LED Driver Evaluation Board User’s Guide NOTES:  2015 Microchip Technology Inc. DS50002347A-page 4...

  • Page 5: Table Of Contents

    Customer Support ....................9 Revision History ....................9 Chapter 1. Product Overview 1.1 Introduction ....................11 1.2 HV9805 Device Short Overview ..............11 1.2.1 HV9805 Device Key Features ..............12 1.2.2 Two-Stage Topology: ................13 1.3 What is the HV9805 230V Off-Line LED Driver Evaluation Board? ................
  • Page 6 HV9805 230V Off-Line LED Driver Evaluation Board User’s Guide NOTES:  2015 Microchip Technology Inc. DS50002347A-page 6...

  • Page 7: Preface

    This document describes how to use the HV9805 230V Off-Line LED Driver Evaluation Board as a development tool for specific applications driven by HV9805. The document is organized as follows: • Chapter 1. “Product Overview” – Important information about the HV9805 230V Off-Line LED Driver Evaluation Board.

  • Page 8: Conventions Used In This Guide

    Curly brackets and pipe Choice of mutually exclusive errorlevel {0|1} character: { | } arguments; an OR selection Ellipses... Replaces repeated text var_name [, var_name...] Represents code supplied by void main (void) user { ...  2015 Microchip Technology Inc. DS50002347A-page 8...

  • Page 9: Recommended Reading

    Off-Line LED Driver Evalua- tion Board. Other useful documents are listed below. The following Microchip docu- ments are available and recommended as supplemental reference resources. • HV9805 Data Sheet – “Off-Line LED Driver with True DC Output Current” (DS20005374). THE MICROCHIP WEB SITE Microchip provides online support via our web site at www.microchip.com.
  • Page 10 HV9805 230V Off-Line LED Driver Evaluation Board User’s Guide NOTES:  2015 Microchip Technology Inc. DS50002347A-page 10...

  • Page 11: Chapter 1. Product Overview

    V supply. The control device of the cascode switch is integrated into the HV9805 and is rated for a peak current of 0.7A. The current for powering the V supply is derived by way of an internal connection to the cascode switch.

  • Page 12: Hv9805 Device Key Features

    - Supports up to 25W at 120V - Supports up to 50W at 230V • Compatibility with SEPIC Topology for Low Output Voltage Applications • Available Package: 10-Lead MSOP HV9805 FIGURE 1-1: Typical HV9805 Off-Line LED Driver Circuit.  2015 Microchip Technology Inc. DS50002347A-page 12...

  • Page 13: Two-Stage Topology

    Product Overview 1.2.2 Two-Stage Topology: The two-stage topology of the HV9805 device consists of: • Boundary Conduction Mode (BCM) and Power Factor Correction (PFC) Boost Converter • LED-Side Linear Regulator 1.2.2.1 FIRST STAGE: BCM PFC BOOST CONVERTER • Produces a DC bus voltage V...

  • Page 14: What Is The Hv9805 230V

    The HV9805 230V Off-Line LED Driver Evaluation Board is used to evaluate and demonstrate Microchip Technology Inc.’s HV9805 device in the following topology: • 420-430V output Boost Converter application followed by a LED-side linear current regulator, supplied from the mains 230V , to drive a 130-150 LED string.

  • Page 15: Chapter 2. Installation And Operation

    Chapter 2. Installation and Operation INTRODUCTION The HV9805 control IC provides true current drive for LED lamps and fixtures by way of a simple two-stage power supply topology comprised of a boundary mode (BCM) boost converter and a linear constant-current regulator. The constant-current regulator...

  • Page 16: How Does The Hv9805 230V

    BOARD WORK? The board was designed to supply, by means of a common-mode filter, a rectifier; a boost converter followed by a linear regulator, both conducted by the HV9805 driver directly from the 230V mains; and an LED load; with constant current also controlling the power factor.
  • Page 17 THE POWER DISSIPATION OF THE LED CURRENT REGULATOR  P DIS I LED V HDC Where: Power dissipation of the current LED regulator LED current DC level of the headroom voltage 0.090A × 7.5V= 0.675W  2015 Microchip Technology Inc. DS50002347A-page 17...

  • Page 18: Board Testing, Test Points Waveforms And Overall

    Boost inductor (L3) voltage Rectified line voltage V Bus voltage sense (BVS pin voltage) TP4 (SW) Voltage on switching node (DRV pin) of the HV9805 device Inductor current sense voltage voltage on IC (V pin voltage), (6.5 to 8V) Gate control voltage (CRG pin) of the linear regulator...
  • Page 19 The signal waveforms from the significant points of the design are presented in Figures 2-3 – 2-11. 200V/div TP1 – Boost Inductor L3 Voltage TP4 – DRV Pin of HV9805 6.0V/div 10 μs/div FIGURE 2-3: Boost Inductor Voltage (TP1) and DRV Pin Voltage (TP4), Working on the Lower Side of the Sinus Wave Input Voltage.
  • Page 20 HV9805 230V Off-Line LED Driver Evaluation Board User’s Guide TP11 – Total Output Voltage Operation Status 200V/div TP4 – DRV Pin of HV9805 6.0V/div 50 ms/div FIGURE 2-5: LED Load Voltage (TP12 – TP13) and DRV Pin Voltage (TP4) in Operation Mode.
  • Page 21 Installation and Operation TP11 – Total Output Voltage 200V/div Stop, Input, TP4 – DRV Pin of HV9805 Voltage Off 6.0V/div 50 ms/div FIGURE 2-7: LED Load Voltage (TP12 – TP13) and DRV Pin Voltage (TP4) in Stop Mode. Input Voltage...
  • Page 22 HV9805 230V Off-Line LED Driver Evaluation Board User’s Guide TP2 – DC Input Voltage 200V/div TP4 – DRV Pin of HV9805 5.0 ms/div 6.0V/div FIGURE 2-9: DC Line Voltage (TP2) and DRV Pin Voltage (TP4) in Operation Mode. Start-Up TP6 – V Pin of HV9805 2.0V/div...

  • Page 23: Overall Measured Parameters

    Installation and Operation TP6 – V Pin of HV9805 5.0V/div STOP TP7 – CRG Pin of HV9805 2.0V/div 50.0 ms/div FIGURE 2-11: HV9805 Supply Voltage (V pin, TP6) and Control Gate Voltage (TP7 CRG PIN) at Stop Mode. 2.4.3 Overall Measured Parameters...
  • Page 24 Input Voltage (V FIGURE 2-13: Variation of Input Current and Input Voltage. 180 190 200 210 220 230 240 250 260 270 280 Input Voltage (V FIGURE 2-14: Total Harmonic Distortion (THD) and Input Voltage.  2015 Microchip Technology Inc. DS50002347A-page 24...
  • Page 25 FIGURE 2-15: Efficiency and Input Voltage. 0.975 0.95 0.925 0.875 0.85 0.825 180 190 200 210 220 230 240 250 260 270 280 Input Voltage (V FIGURE 2-16: Power Factor (PF) and Input Voltage.  2015 Microchip Technology Inc. DS50002347A-page 25...
  • Page 26 HV9805 230V Off-Line LED Driver Evaluation Board User’s Guide NOTES:  2015 Microchip Technology Inc. DS50002347A-page 26...

  • Page 27: Appendix A. Schematic And Layouts

    LED DRIVER EVALUATION BOARD USER’S GUIDE Appendix A. Schematic and Layouts INTRODUCTION This appendix contains the following schematics and layouts for the HV9805 230V Off-Line LED Driver Evaluation Board. • Board – Schematic • Board – Top Silk • Board – Top Copper •...

  • Page 28: Board - Schematic

    0805 MSS1210-685KEB 1206 4.7V TP PAD PCB 1.6x1 0805 CMC1 SRF0905-652Y / 6.5m TP PAD PCB 1.6x1 1206 TP PAD PCB 1.6x1 HV9805 TP PAD PCB 1.6x1 200R BSP130 0805 0805 100nF HV9805 200VAC B32561J6104K189 TP PAD PCB 1.6x1 MOV1...

  • Page 29: Board - Top Silk

    Schematic and Layouts BOARD – TOP SILK BOARD – TOP COPPER  2015 Microchip Technology Inc. DS50002347A-page 29...

  • Page 30: Board - Bottom Copper

    HV9805 230V Off-Line LED Driver Evaluation Board User’s Guide BOARD – BOTTOM COPPER  2015 Microchip Technology Inc. DS50002347A-page 30...

  • Page 31: Appendix B. Bill Of Materials (Bom)

    MOSFET N-CH 650V 3.2A Infineon Technologies AG SPD03N60C3 DPAK Note 1: The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM used in manufacturing uses all RoHS-compliant components.  2015 Microchip Technology Inc. DS50002347A-page 31...
  • Page 32 Diode Zener 18V 500 MW Fairchild Semiconductor MMSZ5248B SOD123 Note 1: The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM used in manufacturing uses all RoHS-compliant components.  2015 Microchip Technology Inc. DS50002347A-page 32...
  • Page 33 Bill of Materials (BOM) NOTES:  2015 Microchip Technology Inc. DS50002347A-page 33...

  • Page 34: Worldwide Sales And Service

    Taiwan - Taipei Tel: 886-2-2508-8600 San Jose, CA China - Xian Fax: 886-2-2508-0102 Tel: 408-735-9110 Tel: 86-29-8833-7252 Fax: 86-29-8833-7256 Thailand - Bangkok Canada - Toronto Tel: 66-2-694-1351 Tel: 905-673-0699 Fax: 66-2-694-1350 Fax: 905-673-6509 01/27/15  2015 Microchip Technology Inc. DS50002347A-page 34...
  • Page 35 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Microchip ADM00657...

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