I2C controlled 1-4 cell, 3-A buck battery charger w/ dual-input and integrated ADC evaluation module


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The BQ25672EVM evaluation module (EVM) is used to evaluate the BQ25672 device. The BQ25672 is an integrated switched-mode buck battery charge management device in HOTROD (QFN) package, intended for 1-series to 4-series cell Li-ion and Li-polymer batteries from 6-V to 24-V input with programmable 750-KHz and 1500-KHz switching frequency. The I2C serial interface with charging and system settings makes the device a truly flexible solution. 

  • Easily evaluate the high-efficiency 3-A switch-mode buck charger in the HOTROD (QFN) package
  • Use of USB2ANY interface to switch between charge and USB on-the-go (OTG) as well as monitor charger status and faults as well as voltages and current with an integrated analog-to-digital converter (ADC)
  • Use of an onboard USB input adapter for connecting to a USB source and either communication through D+/D– to set the default input current limit
  • Onboard test points, sense resistors and jumpers facilitate measurement of high-efficiency and high-accuracy voltage and current regulation
  • Bi-directional blocking NFETs included for evaluating dual-input source selector, with jumpers to bypass

  • Includes EVM PCB
  • Does not include EV2400 which is required for operation

Battery charger ICs
BQ25672 I2C controlled, 1-4 cell, 3-A buck battery charger with dual-input selector and integrated ADC


Linear regulators (LDO)
TLV760 100-mA, 30-V, low-dropout voltage regulator

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Evaluation board

BQ25672EVM – I2C controlled 1-4 cell, 3-A buck battery charger w/ dual-input and integrated ADC evaluation module

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

Technical documentation

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Type Title Date
* User guide BQ25672 Evaluation Module Dec. 07, 2020
More literature BQ25672EVM EU RoHS Declaration of Conformity (DoC) Dec. 28, 2020

Related design resources

Hardware development

USB2ANY USB2ANY interface adapter

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