BQ27426EVM-738

Series:	--
Part Status:	Active
Type:	Power Management
Function:	Fuel Gauge
Embedded:	--
Utilized IC / Part:	BQ27426
Primary Attributes:	--
Supplied Contents:	Board(s)
Secondary Attributes:	--

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Introduction

The BQ27426EVM-738 by Texas Instruments is an Evaluation and Demonstration Board and Kit which is used to evaluate the features and operation of the BQ27426-G2 single-cell Li-ion/Li-polymer fuel gauge with internal FET design circuit. This kit is the advanced evaluation system for applications that require a simple solution to monitor battery health and smart charging. The BQ27426EVM-738 kit is designed to provide the proper power, control, and monitoring of a single-cell Li-ion/Li-polymer battery. It provides a platform to evaluate the capabilities and settings of the Texas Instruments BQ27426-G2 fuel gauge.

Application Field and Working Principle

The BQ27426EVM-738 is an Evaluation and Demonstration Board and Kit which is suitable for the consumer, industrial, and automotive industries. It uses a small, simple package but offers complex features making it ideal for applications like Smart Phones, Tablet PCs, Wearable Electronics, Portable Media Players, and more. In terms of the working principle, the BQ27426EVM-738 uses a combination of the fuel gauge (BQ27426-G2) and the power control circuit (MSP430G2553) to provide a complete evaluation system for monitoring and controlling the single-cell Li-ion/Li-polymer battery. The BQ27426-G2 IC is a single-cell Li-ion/Li-polymer fuel gauge with integrated FETs. It measures the battery current, voltage, and temperature and is powered by the monitor circuit (MSP430G2553) and the supplied battery. The monitor circuit has been programmed to measure the battery voltage, current, and temperature and to communicate with the BQ27426-G2 IC.

Features and Benefits

The BQ27426EVM-738 Evaluation and Demonstration Board and Kit provides several features and benefits for users. It provides the system engineer with a full evaluation of the battery\'s health and condition, providing information like the battery\'s charge level, current, temperature, and other vital parameters. The BQ27426EVM-738 features LEDs for charge level indication and a programmable push button switch for user command interface. The BQ27426-G2 IC is equipped with over-voltage, over-temperature, and over-current protection, making it safe to use in high-power applications. In addition, the small size and low power consumption of the BQ27426-G2 IC make it a great choice for compact, low-power applications. Moreover, the BQ27426EVM-738 Evaluation and Demonstration Board and Kit also provides a powerful graphical user interface to support the system’s evaluation of the battery parameters. The GUI makes it easy to graph whether the battery is charging or discharging, and the exact amount of energy flowing into or out of the battery. A variety of expert algorithms which can be configured through the GUI provide excellent accuracy and reliability for the monitoring of the battery\'s health and condition.

Conclusion

The BQ27426EVM-738 Evaluation and Demonstration Board and Kit is a powerful tool which provides comprehensive monitoring of a single-cell Li-ion/Li-polymer battery. It incorporates the most advanced features, including integrated FETs, low power consumption, and advanced algorithms to provide an accurate and reliable evaluation of the battery’s health and condition. The included graphical user interface makes it easy for users to monitor and control the battery’s operation. With the help of the BQ27426EVM-738, engineers and designers will have a more efficient and accurate way to design high-performance, low-power products.

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