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Product details

Parameters

Features Separate MCU requirement, Stackable (built-in interface) Operating temperature range (C) -40 to 125 Rating Automotive open-in-new Find other Battery monitors & balancers

Package | Pins | Size

TSSOP (PW) 16 22 mm² 5 x 4.4 open-in-new Find other Battery monitors & balancers

Features

  • Qualified for automotive applications
  • AEC-Q100 Qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Functional Safety-Compliant
  • Automatic wake up of BMS/BMU system when fault is detected in ring architecture
  • Support supply from 4.75-V to 40-V
  • UART/SPI Host interface
  • Compatible with 3.3-V/5-V logic
  • Isolated differential daisy chain
    • Support ring architecture with one device
    • Support transformer/ capacitor isolation
  • Designed for BCI/EMI/EMC robustness
  • Supports BQ7961X-Q1 family, BQ7965X, BQ7963X and future products

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Description

The BQ79600-Q1 is a communication (bridge) IC designed to interface between a microcontroller (MCU) and TI battery monitoring ICs, for example the BQ7961X-Q1. The information from the MCU is translated by the device to signals recognized by TI’s battery management daisy chain protocol, and transmitted out. And signals from daisy chain are decoded to bit stream and then sent back to MCU.

When the MCU and PMIC are in SHUTDOWN/ SLEEP, the BQ79600-Q1 can wake them up if any unmasked fault is detected when using ring architecture.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet BQ79600-Q1 Automotive SPI/UART Communication Interface with Functional Safety datasheet (Rev. A) Jun. 01, 2020
White papers Functional Safety Considerations in Battery Management for Vehicle Electrificat Sep. 17, 2020
White papers Functional Safety Considerations in Battery Management for Vehicle Electrificati Sep. 17, 2020
Application notes Safety Manual for BQ79600 Communication Bridge Interface Jun. 30, 2020
User guides BQ79600-Q1 Evaluation Module User's Guide (Rev. A) Jun. 26, 2020

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
299
Description
The BQ79600EVM is an evaluation module (EVM) for the BQ79600-Q1 device used as bridge IC to interface between a microcontroller (MCU) and the TI battery monitoring ICs (for example, BQ7961X-Q1 and BQ79606A-Q1). The information from the MCU is translated by the device to pulses recognized by TI's (...)
Features
  • UART/SPI host interface
  • Isolated differential daisy chain interface
  • Supports supply from 4.74 V to 40 V
  • Automatic wake up of BMS/BMU system when fault is detected in ring architecture
  • ASIL-D communication

CAD/CAE symbols

Package Pins Download
TSSOP (PW) 16 View options

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