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ISL9212B - Charging System Safety Circuit

Features

  • Fully Integrated Protection Circuit for Three Protection Variables - User Programmable Overcurrent Protection Threshold - Input Overvoltage Protection in Less Than 1µs - Battery Overvoltage Protection.
  • High Immunity of False Triggering Under Transients.
  • High Accuracy Protection Thresholds.
  • Warning Output to Indicate the Occurrence of Faults.
  • Enable Input.
  • Thermal Enhanced DFN Package.
  • Pb-Free Plus Anneal Available (RoHS Compliant).

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Datasheet preview – ISL9212B

Datasheet Details

Part number ISL9212B
Manufacturer Renesas
File Size 870.03 KB
Description Charging System Safety Circuit
Datasheet download datasheet ISL9212B Datasheet
Additional preview pages of the ISL9212B datasheet.

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Full PDF Text Transcription

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ISL9212B Charging System Safety Circuit The ISL9212B is an integrated circuit (IC) optimized to provide a Li-ion battery redundant safety protection 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. In addition to the above protected parameters, the IC also monitors its own internal temperature and turns off the P-Channel MOSFET when the die temperature exceeds +140°C. Together with the battery charger IC and the protection module in a battery pack, the charging system using the ISL9212B has triple-level protection and is two-fault tolerant.
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