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ISL78714 - Automotive Grade Multi-Cell Li-Ion Battery Manager

Description

of circuits, software and other related information in this document are provided only to illustrate the operation of semiconductor products and application examples.

Features

  • Monitors and manages up to 14 cells; all standard Li-Ion cell chemistries.
  • AEC-Q100 qualified, supports ASIL D systems.
  • Robust two-wire Daisy Chain communications system using capacitor or transformer coupling at up to 1Mbps.
  • High coverage communication protocol based on ISO26262.
  • Cell voltage measurement accuracy 1.65V to 4.28V; -20ºC to +85ºC:.
  • Initial Device accuracy: ±2mV.
  • Post board assembly Device accuracy: ±2.5mV.
  • Cell input range: ±5.0V, n.

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Datasheet Details

Part number ISL78714
Manufacturer Renesas
File Size 399.47 KB
Description Automotive Grade Multi-Cell Li-Ion Battery Manager
Datasheet download datasheet ISL78714 Datasheet

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Full PDF Text Transcription

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ISL78714 Automotive Grade Multi-Cell Li-Ion Battery Manager Short-Form Datasheet The ISL78714 automotive grade Li-ion battery manager IC supervises up to 14 series connected cells and is optimized to meet stringent automotive performance, reliability, and safety requirements. The device provides all the functions expected of such a critical component in a battery management system, such as accurate cell voltage and temperature monitoring, cell balancing, and extensive system diagnostics. In a typical configuration, a Master ISL78714 communicates to a host microcontroller through an SPI port and up to 29 additional ISL78714 devices connected together by a robust, proprietary, two-wire Daisy Chain.
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