BQ30Z55EVM-001

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The BQ30Z55EVM-001 is an item from a collection of evaluation and demonstration boards and kits produced by Texas Instruments. This particular unit is an integrated gas gauge and charger IC evaluation module, which is designed to assist engineers in the evaluation of the BQ30Z55 for single cell Li Ion battery pack applications. It can be used to evalute chargers, or the charging signatures of any battery system and is suitable for basic gas guage approaches. The EVM includes hardware with the BQ30Z55 and a TI BQ24006A battery charger in one package, as well as software across an isolated USB interface.

The BQ30Z55EVM-001 provides a highly integrated solution to some of the complex system requirements in battery pack designs. Features include advanced macros for troubleshooting battery pack solutions ranging from basic safety settings to quick enabling from start up. Configuration, communication and graphical display are provided across the unit\'s software platform for user interaction. It also offers valid data logging, as well as remote sensing capability for monitoring parameters, such as voltage, current, temperature and self discharge rate, across a wide range of operating conditions.

The BQ30Z55EVM-001 application field and working principle is relatively simple. It integrates Gas Gauge, charger and system management to fuel gauge any battery pack. It enables monitoring of system parameters, along with providing a running power source and charging current levels for charging batteries. In evaluating and charging systems, the BQ30Z55EVM-001 will send out and process a stream of data related to the parameters being tracked. It is then possible to display this data on a PC and analyze it in order to assess the system.

In providing battery protection, the unit determines thresholds that remain constant from charge to discharge. It also identifies and maintains a set of parameters to ensure a maximum safety zone and keeps tabs on any changes of the threshold and operating space. This is used in cases such as over charging, over discharging as well as temperature protection. When the parameters set by the user cross the boundaries of safety, warning signals are sent to the user to intervene.

The BQ30Z55EVM-001 offers a comprehensive set of features in its control of a wide range of battery systems. It features an I2C bus serial interface for communicating with an external micro controller, as well as a range of configurable parameters. It also includes a serial peripheral interface to handle ULPI compatible gas gauge commands for control of the BQ30Z55. Software is available to review and analyze the information collected from the EVM or alternatively for custom user developed applications.

To summarize, the BQ30Z55EVM-001 is a versatile evaluation module that offers a powerful and integrated approach when evaluating and charging batteries. Its integrated gas gauge, charger and system management capabilities provide an advanced solution to charging, monitoring, protection, communication and graphic display. Evaluating and monitoring batteries is also made easier through the use of the unit’s software components. Evaluators and engineers should find the BQ30Z55EVM-001 an invaluable tool for undertaking and managing Li Ion battery projects.

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