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Texas Instruments bq76942EVM Evaluation Module (EVM)

Texas Instruments bq76942EVM Evaluation Module (EVM) is a complete evaluation system for the bq76942, a 3-cell to 10-cell Li-Ion battery monitor integrated circuit. The evaluation module consists of a bq76942 circuit module, which is used for a simple evaluation of the bq76942 monitor function. The circuit module includes one Texas Instruments bq76942 integrated circuit (IC), a sense resistor, thermistors, power FETs, and all other onboard components. The module includes all the items necessary to protect the cells from overcharge, over-discharge, short circuit, and overcurrent discharge, over-temperature, and under temperature in a 10-series cell Li-Ion or Li-Polymer battery pack. The circuit module connects directly across the cells in a battery or can be connected to a power supply and the included cell simulator resistors. The evaluation module comes with an onboard interface or compatible external interface board and Microsoft® Windows® based PC graphical user interface (GUI) software. This software allows the user to view the device registers, evaluate voltage, current, and temperature accuracy, perform calibration, adjust protection limits, and enable FET control outputs.

Features

  • A complete evaluation system for the bq76942 3-cell to 10-cell Li-Ion and Phosphate battery monitor
  • Populated circuit module for 10-cell configuration for quick setup
  • Power connections available on test points
  • Communication available with included USB interface adapter or available on 4-pin connector
  • Resistor cell simulator for quick setup with only a power supply
  • PC software available for configuration

Kit Contents

  • bq76942EVM evaluation module
  • USB cable

Required Equipment

  • DC power supply, 0–50V at 2.5A
  • DC voltmeter
  • Computer with USB port and compatible Windows operating system and access to the internet
  • Test leads to connect the equipment
  • Electronic load or assorted resistors
  • Additional equipment may be desired to operate the bq76942 with a more extensive demonstration

Test Setup

Mechanical Drawing - Texas Instruments bq76942EVM Evaluation Module (EVM)

Texas Instruments bq76942EVM Evaluation Module (EVM)