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ATA6871 Datasheet Li-ion Battery Management Monitoring Emergency and Backup Circuit

Manufacturer: Atmel (now Microchip Technology)

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General Description

The ATA6871 is a battery cell monitoring circuit designed to act as an emergency, safety, or backup circuit in Li-ion battery systems for electrical and hybrid electrical vehicles (EV/HEV).

It monitors overvoltage, undervoltage, and the cell temperature in Li-ion batteries without the need of a microcontroller.

The circuit has an advanced self-test functionality, which checks the proper functionality of the monitoring comparators as well as the communication lines.

Overview

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Key Features

  • Overvoltage Monitoring Undervoltage Monitoring Cell Temperature Monitoring Self-diagnosis including.
  • Comparator Functions.
  • Communication Lines.
  • Short and Open Measuring Lines Hot Plug-in Capable Less than 10 µA Stand-by Current Low Cell Imbalance Current (< 10 µA) Circuit Customization, e. g. for Over/Undervoltage Thresholds Possible for Adequate Volumes Cost-efficient Solution Due to Cost Optimized 30V CMOS Technology Daisy-chain.

More Datasheets from Atmel (now Microchip Technology)

Part Number Description
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