User's Guide
SLLU136–September 2011
ISO5500EVM
This document describes the ISO5500 Evaluation Module (EVM) and allows designers to analyze and
evaluate the Texas Instruments ISO5500 Isolated Gate Driver.
The ISO5500EVM can be used to evaluate device parameters while acting as a guide for board layout.
The board allows the user to evaluate device performance using a simulated (10-nF) IGBT load installed
on the board, or to install an IGBT or MOSFET (TO-247 package) onto the board and drive it with the
ISO5500.
Contents
1
2
Introduction .................................................................................................................. 1
1.1
1.2
Overview ............................................................................................................ 1
ISO5500EVM Kit Contents ....................................................................................... 2
Printed-Circuit Board ....................................................................................................... 2
2.1
2.2
ISO5500 Operation ................................................................................................ 2
Schematic and Bill of Materials .................................................................................. 5
List of Figures
1
2
3
4
ISO5500 Pinout and Functional Block Diagram ........................................................................
High-Side Interconnection Diagram ......................................................................................
Low-Side Interconnection Diagram .......................................................................................
Component Changes to Change Turnon/Turnoff .......................................................................
2
4
4
5
List of Tables
1
2
Test Points...................................................................................................................
Bill of Materials ..............................................................................................................
5
6
1
Introduction
1.1 Overview
This ISO5500EVM was designed to allow the user to evaluate the performance and features of the
ISO5500. This includes the IGBT desaturation protection (DESAT) and the UVLO circuit that ensures a
sufficient gate voltage is available to drive the IGBT or MOSFET. The printed-circuit board (PCB) also
includes provisions to adjust the turnon/turnoff characteristics by changing the loading between the
ISO5500 output and the IGBT (or MOSFET) gate.
The EVM kit includes the ISO5500 data sheet. Figure 1 shows the device pinout and the functional block
diagram.
QuietZone is a trademark of 3M.
1
SLLU136–September 2011
ISO5500EVM
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Copyright © 2011, Texas Instruments Incorporated
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