Texas Instruments bq25895MEVM-664 Charger Evaluation Module (EVM)

Texas Instruments bq25895MEVM-664 Charger Evaluation Module (EVM) is a complete charger module for evaluating the bq25895M. The bq25895M is a highly-integrated switch-mode battery charge and system power path management device. The Texas Instruments bq25895M can be used for one cell Li-Ion and Li-polymer battery in a wide range of smartphone and tablet applications.

Features

  • Input voltage range: 3.9V to 14V
  • I2C communication
  • LED indication for status signals
  • Test points for key signals available for testing purposes
  • Jumpers for different circuit configuration

Required Equipment

  • Power Supplies
    • Power supply #1 (PS#1)
      • Power supply capable of supplying 5V at 1A is required
      • While this part can handle larger voltage and current, it is not necessary for this procedure
    • Load #1 (4-Quadrant Supply, Constant Voltage < 4.5V)
      • A 0–20V/0–5A, > 30W system, DC electronic load and setting as constant voltage load mode or Kepco load: BOP 20–5M, DC 0 to ±20V, 0 to ±5A (or higher)
    • Load #2 – Use with Boost Mode
      • PMID to GND load, 10Ω, 5W or greater
  • Meters
    • Six Fluke 75 multimeters (equivalent or better) or four equivalent voltage meters and two equivalent current meters
    • The current meters must be capable of measuring 5A+ current
  • Computer
    • A computer with at least one USB port and a USB cable
    • The bq2589xEVM evaluation software must be installed properly
  • USB-to-GPIO communication kit (EV2300 USB-based PC interface board)

Test Setup

Mechanical Drawing - Texas Instruments bq25895MEVM-664 Charger Evaluation Module (EVM)
Published: 2016-05-03 | Updated: 2022-03-11