BQ27441EVM-G1B

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Evaluation and Demonstration Boards and Kits offer engineers with a range of products to learn, design, and develop applications. One tool that stands out is the BQ27441EVM-G1B. It is a state-of-the-art intelligent fuel gauge system for battery fuel gauging and management.

The BQ27441EVM-G1B is an evaluation system for the BQ27441-G1 block, an intelligent fuel gauge integrated circuit. The advanced battery management device measures the available charge and approximate State-of-Charge (SoC) of single-cell Li-Ion (Lithium-Ion) batteries, using a design that incorporates an innovative coulomb counting and state-of-the art, proprietary Maxim algorithms. The device captures and evaluates voltage, current, and temperature measurements to determine the approximate SoC and time to empty or full.

The BQ27441EVT-G1B is designed for systems that incorporate Li-Ion rechargeable batteries. The BQ27441EVT-G1B provides a full suite of features including the features of the BQ27441-G1 IC, plus other built-in features such as over-current and over-temperature protection, and battery safety mode. There are also features such as a battery-fuel-gauging LED driver, OLED display driver, over-discharge, over-voltage, and short circuit protection.

The board is an optimizing, industry-standard platform for application development and testing in battery management and portable device design. It can be used to evaluate the performance of the BQ27441-G1 block’s features, such as the coulomb counting and the OCV (Open Circuit Voltage) SoC measurement techniques. It also offers the ability to validate and optimize the BQ27441-G1 block\'s features, such as recovering from faults and lowering system power consumption. Additionally, the board is supported by an extensive set of tools, including a serial monitor, an API, and API reference manual, and an application note for system design best practices.

The board includes an external debugger interface for software download, pins to program memory, a surface-mount, 2x6-2-pin connector with all the necessary pins for programming the Flash memory, and two non-volatile memory (EEPROM) chips connected to the board’s debugging interface. This allows the engineer to store data and set the configuration registers during the development phase or in a production line.

The board allows the user to evaluate the features of the BQ27441-G1 and also provides an easy-to-use platform for battery management applications, including monitoring a battery’s voltage, current, and temperature, and its estimated SoC. The fuel gauging can be used to order power-down and sleep mode control for systems that employ battery backup for short-term if necessary.

The BQ27441EVM-G1B offers developers an easy-to-use evaluation environment for battery-fuel-gauging applications such as smartphones, tablets, portable media players, and other battery-powered consumer electronics. With the combination of features, developers can quickly prototype and test solutions that can reduce system power consumption and improve product reliability.

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