Microchip Technology ADM00592, User Manual

Page: 5 / 56

PAC1921
HIGH-SIDE CURRENT/POWER SENSOR
EVALUATION BOARD USER’S GUIDE

2015 Microchip Technology Inc. DS50002376A-page 5
Table of Contents
Preface ........................................................................................................................... 7
Introduction............................................................................................................ 7
Document Layout .................................................................................................. 7
Conventions Used in this Guide ............................................................................ 8
Warranty Registration............................................................................................ 8
Recommended Reading........................................................................................ 9
The Microchip Web Site ........................................................................................ 9
Customer Support ................................................................................................. 9
Document Revision History ................................................................................... 9
Chapter 1. Product Overview
1.1 Introduction ................................................................................................... 11
1.2 PAC1921 Evaluation System ........................................................................ 11
1.3 What is the PAC1921 High-Side Current/Power Sensor Evaluation Board? ..... 12
1.3.1 Board Layout ............................................................................................. 12
1.4 What the PAC1921 High-Side Current/Power Sensor Evaluation
Board Kit Contains................................................................................... 13
Chapter 2. Installation and Operation
2.1 Getting Started .............................................................................................. 15
2.1.1 System Requirements ................................................................................ 15
2.2 Installing the Evaluation Board Software....................................................... 15
2.3 Microchip USB Bridge Installation ................................................................. 19
Chapter 3. Hardware Description
3.1 Introduction.................................................................................................... 21
3.1.1 Power Source............................................................................................. 21
3.2 USB-to-SMBus Bridge................................................................................... 21
3.2.1 Direct SMBus Connect Option ................................................................... 21
3.3 Operating Mode............................................................................................. 22
3.3.1 SMBus Mode.............................................................................................. 22
3.4 LED Indicators............................................................................................... 22
3.5 Jumper Settings ............................................................................................ 23
3.6 Test Points .................................................................................................... 24
3.7 Demo Mode Setup and Operation................................................................. 25
3.8 Sys Mode Setup and Operation .................................................................... 25
3.8.1 Jumper Positions ........................................................................................ 25
3.8.2 Load Connection ........................................................................................ 25