RT9490WSC
Evaluation Board
5A 2-4 Cell Buck-Boost Switching Battery Charger
Evaluation Board
General Description
The Evaluation Board demonstrates that the RT9490WSC is designed for a highly-integrated 5A Buck-Boost switch
mode battery charge management and system power path management device for 2-4 cell Li-Ion and Li-polymer
batteries. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time,
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and extends battery life during the discharging phase. The I
C serial interface with charging and system settings
makes the device a truly flexible solution.
Table of Contents
General Description ...................................................................................................................................................... 1
Detailed Description of Hardware ................................................................................................................................. 3
Quick Start Procedure .................................................................................................................................................. 6
Test Procedure ............................................................................................................................................................ 12
Typical Applications .................................................................................................................................................... 22
Bill of Materials............................................................................................................................................................ 23
Evaluation Board Layout ............................................................................................................................................. 25
More Information ......................................................................................................................................................... 29
EVB_RT9490WSC-01
April 2024
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http://www.richtek.com
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