Functional Safety-Compliant SPI/UART to daisy chain bridge interface with automatic host wake-up


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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 battery management daisy chain protocol and transmitted out. The device has an Auto Host Wakeup function that can be utilized with BQ7961X-Q1 family to automatically wakeup the host through INH pin when an unmasked fault is detected in the battery monitoring ICs. 

  • 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

USB2ANY interface adapter SFI 23/18  twisted pair communication cable

Battery monitors & balancers
BQ79600-Q1 Automotive SPI/UART communication interface functional-safety compliant with automatic host wakeup
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Functional Safety-Compliant SPI/UART to daisy chain bridge interface with automatic host wake-up feature evaluation module

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Type Title Date
* EVM User's guide BQ79600-Q1 Evaluation Module User's Guide (Rev. B) PDF | HTML 22 Aug 2023
User guide BQ79616-Q1 and BQ75614-Q1 Graphical User Interface (GUI) User's Guide 14 Dec 2020
Certificate BQ79600EVM-030 EU Declaration of Conformity (DoC) (Rev. A) 23 Jun 2020

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