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ISL9209B Datasheet Charging System Safety Circuit

Manufacturer: Renesas

Overview

DATASHEET ISL9209B Charging System Safety Circuit The ISL9209B is an integrated circuit (IC) optimized to provide a redundant safety protection to a Li-ion battery from failures of a charging system.

The IC monitors the input voltage, the battery voltage and the charge current.

When any of the three parameters exceeds its limit, the IC turns off an internal P-Channel MOSFET to remove the power from the charging system.

Key Features

  • Fully Integrated Protection Circuit for Three Protected Variables.
  • High Accuracy Protection Thresholds.
  • User Programmable Overcurrent Protection Threshold.
  • Input Overvoltage Protection in Less than 1s.
  • High Immunity of False Triggering Under Transients.
  • Warning Output to Indicate the Occurrence of Faults.
  • Enable Input.
  • Easy to Use.
  • Thermal Enhanced TDFN Package.
  • Pb-Free Plus Anneal Available (RoHS Complia.