Texas Instruments TPS65020EVM-110 manual Introduction, Requirements, Personal Computer PC

User's Guide

SLVU138 – August 2005

TPS65020EVM-110 User's Guide

This User’s Guide describes the characteristics, operation, and use of the TPS65020EVM-110 evaluation module (EVM). This EVM is designed to help the user evaluate and test the various operating modes of the TPS65020. This User’s Guide includes setup instructions for the hardware and software, a schematic diagram, a bill of materials (BOM), and PCB layout drawings for the evaluation module.

		Contents
1	Introduction	1
2	Setup	2
3	Board Layout	3
4	Schematic and Bill of Materials	8
5	Related Documentation	10
		List of Figures
1	Assembly Layer	4
2	Top Layer	5
3	Routing, GND Plane	6
4	Routing, VIN Plane	7
5	Routing, Bottom Layer	8
6	TPS65020EVM-110 Schematic	9
		List of Tables
1	HPA110A BOM	10

1Introduction

The Texas Instruments TPS65020EVM is an integrated Power Management IC for applications that are powered with one Li-Ion or Li-Polymer cell, and require multiple power rails. The TPS65020 contains three

highly efficient switching step-down converters, two LDOs, and additional status and I/O pins. The device is controlled via an I2C™ interface.

1.1Requirements

In order for this EVM to operate properly, the following components must be connected, and properly configured.

1.2Personal Computer (PC)

A computer with a USB port is required to operate this EVM. The TPS65020 interface software, which is run on the PC, communicates with the EVM via the PC USB port. The user sends commands to the EVM as well as reads the contents of the TPS65020 internal registers through the USB port.

I2C is a trademark of Philips Electronics.

SLVU138 –August 2005 TPS65020EVM-110 User's Guide 1