L9961 Datasheet (STMicroelectronics) - Battery management system solution

L9961, Battery management system solution

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.

Voltage monitoring functio

L9961 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