AD7280A Datasheet - Analog Devices

AD7280A Lithium Ion Battery Monitoring System

The AD7280A1 contains all the functions required for generalpurpose monitoring of stacked lithium ion batteries as used in hybrid electric vehicles, battery backup applications, and power tools. The part has multiplexed cell voltage and auxiliary ADC measurement channels for up to six cells of batte.

AD7280A Features

* 12-bit ADC, 1 μs per channel conversion time 6 analog input channels, common-mode range 0.5 V to 27.5 V 6 auxiliary ADC inputs ±1.6 mV cell voltage accuracy On-chip voltage regulator Cell balancing interface Daisy-chain interface Internal reference: ±3 ppm/oC 1.8 μA power-down current High input imp

AD7280A_AnalogDevices.pdf