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Evaluation Board, USB-Based PC Interface Board for Battery Fuel (Gas) Gauge

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Product Overview

The EV2300 is a USB based interface board for a PC that can be used to evaluate battery fuel gauge circuits designed with Texas Instruments ICs. The EV2300 has connections on it for a USB cable and also accepts inputs from a battery fuel gauge circuit's communication port (SMBus or HDQ). By running the appropriate PC software for the corresponding fuel gauge IC, the EV2300 interface board allows the user to evaluate the battery fuel gauge circuit. The EV2300 controller is a bq8012 running at 4MHz. The controller firmware is stored in flash memory and is executed by the core at power up after the boot ROM code verifies the integrity words. The controller communicates with target devices through either: a 2-wire SMBus communication port, a 1-wire HDQ port, or a 2-wire E2PROM I2C port. The 2-wire SMBus communication port supports both SMBus and I2C protocols.
  • USB based interface board for eval of battery fuel gauge circuits developed with fuel gauge Ics
  • Provides interface between intelligent battery circuit and a Windows based PC
  • Connects to the USB port of a PC
  • Allows for on screen display and programming
  • Fully powered from the USB port
  • Capable of providing a 25mA 3.3V source
  • Complete interface between USB and SMBus, I2C, and HDQ (8/16) interfaces using a simple API
  • Complete interface between USB and SMBus, I2C and HDQ (8/16) interfaces using a simple API


Audio, Imaging, Video & Vision, Communications & Networking, Portable Devices, Consumer Electronics


EV2300 circuit module, Standard USB cable.

Product Information

Power Management - Battery

Fuel Gauge


Texas Instruments

Circuit Module EV2300, USB Cable


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