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Application Note 1404
ISL88731EVAL2Z and ISL88731CEVAL2Z Evaluation
Boards Setup Procedure
Introduction
The ISL88731 and ISL88731C are highly integrated battery
charger controllers for Li-ion/Li-ion polymer batteries with
SMBus interface controlling charge voltage, charge current and
input current limiting. The evaluation board includes a USB to
SMBus interface to allow users to control the ISL88731 or
ISL88731C from a Personal Computer.
What’s Inside
This Evaluation Board Kit contains the following materials:
• Qty (1) ISL88731EVAL2Z or ISL88731CEVAL2Z Evaluation
Board
• Qty (1) USB cable
What is Needed
The following materials are recommended to perform testing:
• One AC adaptor or one adjustable 25V/6A DC power supply
• Two adjustable electronic loads with constant current mode
and constant voltage mode
• One Volt Meter
• One 500MHz four-channel oscilloscope with voltage and
current probes
• A Personal Computer (PC) with ISL88731(C) control
software and drivers (all available on the self extracting
archive file ISL88731_v3.0_Installer.exe available for
download from www.Intersil.com)
Note: The National Instruments Runtime Engine must be
installed before connecting the evaluation board to your PC.
The Runtime Engine contains driver files required by the New
Hardware Wizard.
USB
INTERSIL
ISL88731 EVAL2Z REVB
BATTERY
OUTPUT
SYSTEM
OUTPUT
AC ADAPTER
INPUT
TO VARIOUS
TEST POINTS
+
-
DC VOLTMETER
<10mV to >20v
+
-
BATTERY PACK
OR
ELECTRONIC LOAD
+
-
SYSTEM LOAD
OR
ELECTRONIC LOAD
+
-
AC ADAPTER
OR
DC POWER SUPPLY
5V – 20V, 5A
FIGURE 1. ISL88731(C)EVAL2Z HARDWARE CONNECTION DIAGRAM
ADJUSTABLE DC POWER
AC ADAPTER
OR
ELECTRONIC LOAD
SYSTEM LOAD
OR
ELECTRONIC LOAD
BATTERY PACK
OR
DC VOLTMETER
TO VARIOUS TEST POINTS
AC ADAPTER
INPUT
SYSTEM
OUTPUT
BATTERY
OUTPUT
USB
+
+
-
-
-
+
ISL88731(C)EVAL2Z
INTERSIL
-
+
-
+
-
+
+
-
SUPPLY
June 27, 2011
AN1404.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Copyright Intersil Americas Inc. 2010, 2011. All Rights Reserved.
1-888-INTERSIL or 1-888-468-3774
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Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
