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ISL9209C - Charging System Safety Circuit

Features

  • Fully Integrated Protection Circuit for Three Protected Variables.
  • High Accuracy Protection Thresholds.
  • User Programmable Overcurrent Protection Threshold.
  • Input Overvoltage Protection in Less Than 1µs.
  • 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 (RoHS Compliant).

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Datasheet preview – ISL9209C

Datasheet Details

Part number ISL9209C
Manufacturer Renesas Electronics
File Size 770.27 KB
Description Charging System Safety Circuit
Datasheet download datasheet ISL9209C Datasheet
Additional preview pages of the ISL9209C datasheet.

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Full PDF Text Transcription

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DATASHEET ISL9209C Charging System Safety Circuit The ISL9209C 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. In addition to the above protected parameters, the IC also monitors its own internal temperature and turns off the P-Channel MOSFET when the temperature exceeds +140°C. Together with the battery charger IC and the protection module in a battery pack, the charging system using the ISL9209C has triple-level protection and is two-fault tolerant.
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