Texas Instruments TPS65020EVM-110, Руководство пользователя

Страница: 1 / 13

1 Introduction
1.1 Requirements
1.2 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
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 I
2
C™ interface.
In order for this EVM to operate properly, the following components must be connected, and properly
configured.
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.
I
2
C is a trademark of Philips Electronics.
SLVU138 – August 2005 TPS65020EVM-110 User's Guide 1