Texas Instruments TPS61050EVM-215 Manuals

User's Guide SLVU202B–May 2007–Revised November 2007 TPS61050EVM-215 and TPS61052EVM-215 This user’s guide describes the characteristics, operation, and use of the TPS61050EVM-215 and TPS61052EVM-215 evaluation modules (EVMs). This EVM demonstrates either the Texas Instruments TPS61050 or TPS61052 synchronous boost converter based high power WLED driver with I2C interface. This document includes setup instructions, a schematic diagram, a bill of materials, and PCB layout drawings for the evaluation module. Contents 1 Introduction ................................................................................................................... 2 2 Setup .......................................................................................................................... 2 3 Software Setup and Operation............................................................................................. 6 4 Test Results .................................................................................................................. 7 5 Board Layout................................................................................................................ 11 6 Schematics and Bill of Materials ......................................................................................... 14 List of Figures 1 TPS6105x Software Main Panel........................................................................................... 6 2 LED Efficiency vs. Input Voltage - Torch Mode.......................................................................... 7 3 LED Efficiency vs. Input voltage - Single Pulse Flash Mode........................................................... 8 4 Torch Flash Sequence...................................................................................................... 8 5 Start Up in Torch............................................................................................................. 9 6 Inrush Current at Flash.................................................................................................... 10 7 Voltage Mode Efficiency................................................................................................... 10 8 Voltage Mode Load Transient ............................................................................................ 11 9 Assembly Layer............................................................................................................. 12 10 Top Layer.................................................................................................................... 12 11 Layer 2....................................................................................................................... 13 12 Layer 3 ...................................................................................................................... 13 13 Bottom Layer................................................................................................................ 14 14 TPS61050/2EVM-215 Schematic ........................................................................................ 15 List of Tables 1 Jumper Settings.............................................................................................................. 5 2 HPA215 Bill of Materials................................................................................................... 16 Windows is a trademark of Microsoft Corporation. I2C is a trademark of Philips Corporation. VeriSign is a trademark of VeriSign, Inc.. SLVU202B–May 2007–Revised November 2007 TPS61050EVM-215 and TPS61052EVM-215 1 Submit Documentation Feedback