BQ77915 3-series to 5-series stackable ultra-low-power primary protector evaluation module


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The BQ77915EVM-014 evaluation module (EVM) is a complete evaluation system for the BQ77915 3-series to 5-series low-power protector for lithium-ion cells. The EVM includes one BQ77915 and FETs to control current in a configuration typical for switching current in a lithium-ion battery pack. The circuit module includes one BQ77915 integrated circuit (IC), a sense resistor, a thermistor, two FETs, and all other onboard components necessary to switch charge and discharge current.

The circuit module connects between a battery source and a pack load. In addition to the current and voltage applied to the module, the user can remove onboard jumpers to simulate overtemperature or undertemperature conditions to observe FET control under different charge and discharge conditions. Balancing of unmatched cells can also be performed on the module.

  • 3-series to 5-series lithium-ion protector with full suite of V/I/T protection functions
  • Low power consumption (8 µA typ in normal mode, 2 µA typ in hibernate mode)
  • Autonomous smart cell balancing
  • FETs to demonstrate current control
  • Tested circuit design includes demo and Getting Started guide
Battery protectors
BQ77915 3-Series to 5-Series Stackable Ultra-Low-Power Primary Protector With Autonomous Cell Balancing


N-channel MOSFETs
CSD18534Q5A 60-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 9.8 mOhm

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Evaluation board

BQ77915EVM-014 – bq77915 3-Series to 5-Series Stackable Ultra-Low-Power Primary Protector Evaluation Module

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TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* User guide bq77915 3-Series to 5-Series Low-Power Protector Evaluation Module User's Guide (Rev. B) Aug. 21, 2018
Data sheet BQ77915 3-Series to 5-Series Stackable Ultra-Low Power Primary Protector with Autonomous Cell Balancing and HIBERNATE Mode datasheet (Rev. I) Sep. 15, 2020
Certificate BQ77915EVM-014 EU Declaration of Conformity (DoC) Jan. 02, 2019

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