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ISL9211B

Part Number	ISL9211B
Manufacturer	Renesas
Description	Charging System Safety Circuit
Published	Jun 18, 2019
Detailed Description	ISL9211B Charging System Safety Circuit The ISL9211B is an integrated circuit (IC) optimized to provide a redundant safe...
Datasheet	ISL9211B PDF File

Overview

ISL9211B Charging System Safety Circuit The ISL9211B is an integrated circuit (IC) optimized to provide a redundant safety protection to a Li-ion battery charging system.
The IC monitors input voltage, battery voltage, and charge current.
When any of these parameters exceeds its limit, the IC turns off an internal N-channel MOSFET to remove power from the charging system to the battery.
The IC also monitors its own internal temperature and turns off the N-channel MOSFET when the temperature exceeds +150°C.
Together with the battery charger IC and the protection module in a battery pack, the charging system using the ISL9211B has triple-level protection and is two-fault tolerant.
The IC is de...

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