L9961 Datasheet Battery management system solution

Manufacturer: STMicroelectronics

L9961 battery management system solution by STMicroelectronics - Datasheet Preview

Datasheet Details

Part number	L9961
Manufacturer	STMicroelectronics
File Size	1.76 MB
Description	Battery management system solution
Datasheet	L9961 Datasheet

General Description

L9961 is part of a complete battery pack monitoring, balancing, and protecting system for Li-Ion and Li-Polymer cells in 3, 4 or 5 series configurations.

The L9961 uses a high precision ADC to provide cell voltage, stack voltage and temperature conversion via external NTC.

Overview

L9961 Datasheet Battery management system solution VFQFPN32 (5x5x1.

Key Features

2 μA shipment - DEEP SLEEP mode current and 5 μA standby consumption (with VREG LDO active) standby consumption (with VREG LDO active).
Integrated 3.3 V VREG LDO for supplying MCU and LEDs.
Measures cell voltage (3 to 5 cells), with over/undervoltage detection and balance undervoltage protection.
12-bit voltage measurement with maximum error of ±15 mV in the [1.5.
4.5] V range, for -40 °C < TJ < 105 °C.
Measures stack voltage, with over/unde.

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