ISL9208 Datasheet (Renesas) - Multi-Cell Li-ion Battery Pack OCP/Analog Front End

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

SYMBOL 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.

VCELLN CBN VSS Battery cell N voltage input.

This pin is used to monitor the

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 b

ISL9208 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 ti