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ISL9208 - Multi-Cell Li-ion Battery Pack OCP/Analog Front End

General Description

VC7/VCC Battery cell 7 voltage input/VCC supply.

This pin is used to monitor the voltage of this battery cell externally at pin AO.

This pin also provides the operating voltage for the IC circuitry.

Key Features

  • Software selectable overcurrent protection levels and variable protect detection times - 4 discharge overcurrent thresholds - 4 short circuit thresholds - 4 charge overcurrent thresholds - 8 overcurrent delay times (Charge) - 8 overcurrent delay times (Discharge) - 2 short circuit delay times (Discharge).
  • Automatic FET turn-off and cell balance disable on reaching external (battery) or internal (IC) temperature limit.
  • Automatic override of cell balance on reaching in.

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Datasheet Details

Part number ISL9208
Manufacturer Renesas
File Size 1.11 MB
Description Multi-Cell Li-ion Battery Pack OCP/Analog Front End
Datasheet download datasheet ISL9208 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DATASHEET ISL9208 Multi-Cell Li-ion Battery Pack OCP/Analog Front End FN6446 Rev.1.00 November 2, 2007 The ISL9208 is an overcurrent protection device and analog front end for a microcontroller in a multi-cell Li-ion battery pack. The ISL9208 supports battery pack configurations consisting of 5-cells to 7-cells in series and 1 or more cells in parallel. The ISL9208 provides integral overcurrent protection circuitry, short circuit protection, an internal 3.3V voltage regulator, internal cell balancing switches, cell voltage monitor level shifters, and drive circuitry for external FET devices for control of pack charge and discharge. Selectable overcurrent and short circuit thresholds reside in internal RAM registers.