Microchip Technology HV9805 User Manual
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Microchip Technology HV9805 User Manual

Microchip Technology HV9805 User Manual

120vac off-line led driver evaluation board
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HV9805
120V
Off-Line LED Driver
AC
Evaluation Board
User's Guide
 2015 Microchip Technology Inc.
DS40001785A

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Summary of Contents for Microchip Technology HV9805

  • Page 1 HV9805 120V Off-Line LED Driver Evaluation Board User’s Guide  2015 Microchip Technology Inc. DS40001785A...
  • 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 Object of Declaration: HV9805 120V Off-Line LED Driver Evaluation Board  2015 Microchip Technology Inc. DS40001785A-page 3...
  • Page 4 HV9805 120V Off-Line LED Driver Evaluation Board User’s Guide NOTES:  2015 Microchip Technology Inc. DS40001785A-page 4...

  • Page 5: Table Of Contents

    1.2.2 Two-Stage Topology: ....................13 1.3 What Does the HV9805 120V Off-Line LED Driver Evaluation Board Do? .... 13 1.4 What is Included in the HV9805 120V Off-Line LED Driver Evaluation Board Kit? 14 Chapter 2. Installation and Operation 2.1 Introduction ......................... 15 2.1.1 Board Features ......................
  • Page 6 HV9805 120V Off-Line LED Driver Evaluation Board User’s Guide NOTES:  2015 Microchip Technology Inc. DS40001785A-page 6...

  • Page 7: Preface

    This document describes how to use the HV9805 120V 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 120V 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. DS40001785A-page 8...

  • Page 9: Recommended Reading

    Board. Another useful document is listed below. The following Microchip document is 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. This web site is used as a means to make files and information easily available to customers.
  • Page 10 HV9805 120V Off-Line LED Driver Evaluation Board NOTES:  2015 Microchip Technology Inc. DS40001785A-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. DS40001785A-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 • Produce a DC bus voltage V with high efficiency, (95%) •...

  • Page 14: What Is Included In The Hv9805 120V Ac Off-Line Led Driver Evaluation Board Kit

    The HV9805 120V Off-Line LED Driver Evaluation Board is used to evaluate and demonstrate the Microchip HV9805 device in the following topology: a 215V – 265V output Boost Converter application followed by a LED-side linear current regulator, supplied from the mains 120V , to drive a string of 70 –...

  • 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: Getting Started

    Off-Line LED Driver Evaluation Board User’s Guide GETTING STARTED The HV9805 120V Off-Line LED Driver Evaluation Board is fully assembled and tested to evaluate and demonstrate the HV9805 LED driver. 2.2.1 Powering the Evaluation Board The board is connected directly to 120V .

  • Page 17: How Does The Hv9805 120V Ac Off-Line Led Driver Evaluation Board Work

    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 120V mains and an LED load with constant current, also controlling the power factor.
  • Page 18 THE ON-TIME REFERENCE FOR THE BOOST CONVERTER CONTROL (T  T ON K HVR V HVR Where: On-time reference signal from the headroom voltage regulator Gain of the on-time modulator 2.2 µs/V 5 × 2.2 µs = 11 µs  2015 Microchip Technology Inc. DS40001785A-page 18...

  • Page 19: Board Testing, Test Points Waveforms And Overall Measured Parameters

    Boost inductor (L3) voltage Rectified line voltage V Bus voltage sense (BVS pin voltage) TP4 (SW) The voltage on switching node (DRV pin) of the HV9805 device Inductor current sense voltage voltage on IC (V pin voltage), (6.5 to 8 V)
  • Page 20 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.  2015 Microchip Technology Inc. DS40001785A-page 20...
  • Page 21 Installation and Operation FIGURE 2-5: 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 Startup Mode.  2015 Microchip Technology Inc. DS40001785A-page 21...
  • Page 22 HV9805 120V Off-Line LED Driver Evaluation Board User’s Guide FIGURE 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.  2015 Microchip Technology Inc. DS40001785A-page 22...
  • Page 23 Installation and Operation FIGURE 2-9: DC Line Voltage (TP2) and DRV Pin Voltage (TP4) in Operation Mode. FIGURE 2-10: HV9805 Supply Voltage (V pin, TP6) and Control Gate Voltage (TP7 CRG PIN) at Startup Mode.  2015 Microchip Technology Inc. DS40001785A-page 23...

  • Page 24: Overall Measured Parameters

    HV9805 120V Off-Line LED Driver Evaluation Board User’s Guide 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 The overall parameters of the Evaluation Board are presented in Figures 2-12 – 2-16.
  • Page 25 Installation and Operation Input Voltage (V FIGURE 2-13: Variation of Input Current and Input Voltage. Input Voltage (V FIGURE 2-14: Total Harmonic Distortion (THD) and Input Voltage.  2015 Microchip Technology Inc. DS40001785A-page 25...
  • Page 26 80.00 75.00 70.00 65.00 60.00 Input Voltage (V FIGURE 2-15: Efficiency and Input Voltage. 0.98 0.96 0.94 0.92 0.88 0.86 0.84 0.82 Input Voltage (V FIGURE 2-16: Power Factor (PF) and Input Voltage.  2015 Microchip Technology Inc. DS40001785A-page 26...

  • Page 27: Appendix A. Schematic And Layouts

    HV9805 120V OFF-LINE LED DRIVER EVALUATION BOARD USER’S GUIDE Appendix A. Schematic and Layouts INTRODUCTION This appendix contains the following schematics and layouts for the HV9805 120V Off-Line LED Driver Evaluation Board. • Board – Schematic • Board – Top Silk •...

  • Page 28: Board - Schematic

    0805 MSS1210-155KEB 0805 1206 4.7V TP PAD PCB 1.6x1 0805 CMC1 SRF0905/2.2m TP PAD PCB 1.6x1 1206 TP PAD PCB 1.6x1 HV9805 TP PAD PCB 1.6x1 200R BSP130 0805 0805 100nF 200VAC B32561J6104K189 TP PAD PCB 1.6x1 MOV1 200R 0805...

  • Page 29: Board - Top Silk

    Schematic and Layouts BOARD – TOP SILK BOARD – TOP COPPER  2015 Microchip Technology Inc. DS40001785A-page 29...

  • Page 30: Board - Bottom Copper

    HV9805 120V Off-Line LED Driver Evaluation Board User’s Guide BOARD – BOTTOM COPPER  2015 Microchip Technology Inc. DS40001785A-page 30...

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

    MOSFET N-CH 300V 350 MA NXP Semiconductors BSP130 SC73 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. DS40001785A-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. DS40001785A-page 32...
  • Page 33 Bill of Materials (BOM) NOTES:  2015 Microchip Technology Inc. DS40001785A-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. DS40001785A-page 34...
  • Page 35 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Microchip ADM00651...

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