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Texas Instruments bq25628EVM & bq25629EVM Evaluation Modules

Texas Instruments bq25628EVM and bq25629EVM Evaluation Modules facilitate the evaluation of the bq25629 and bq25629 input I²C-controlled single-cell (1S) NVDC chargers. The bq25628EVM and bq25629EVM evaluation modules feature screw-in terminal blocks for connecting external power supplies. The TI bq25628EVM and bq25629EVM offer connections for EV2400 or USB2ANY interface board controllers.

Features

  • Evaluation module for the BQ25628 or BQ25629 devices
  • Screw in terminal blocks for connecting external power supplies, load simulators, battery simulators, and thermistors or real battery packs
  • USB mini connector for connecting to USB power supply and using D+/D- lines for setting the charger’s input current limit
  • Connections for optional EV2400 interface board controllers
  • Test points for key voltage signals and 10mΩ series resistors to easily measure input, system, or battery current
  • This circuit design is tested and includes a user’s guide with an example test setup
  • Connections for EV2400 or USB2ANY interface board controllers

Applications

  • Consumer wearables, smartwatch
  • Portable speakers, TWS earphones
  • Hearing aid or TWS charging case

PCB Layout

Texas Instruments bq25628EVM & bq25629EVM Evaluation Modules

Test Setup

Location Circuit - Texas Instruments bq25628EVM & bq25629EVM Evaluation Modules

Texas Instruments bq25628EVM & bq25629EVM Evaluation Modules