BQ28400PW

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The BQ28400PW is an integrated power management IC that is part of the Texas Instruments Power Management family of products. It is suitable for applications in which low power consumption is critical, such as portable and mobile devices, wearables, and Internet of Things (IoT) devices. The BQ28400PW is a power management IC that enables the efficient, accurate monitoring and conversion of energy between multiple power sources and multiple power management ICs.

The BQ28400PW is a multi-chemist charge and battery fuel-gauging IC that supports Impedance TrackTM technology, providing high accuracy fuel-gauging with minimal calibration. The measuring range is up to 4.5V at up to 41Ah, providing an accurate estimation of the battery’s remaining energy storage in industrial and consumer applications. The device helps protect the battery from overcharge, over-discharge, and both temperature and voltage extremes.

The IC has three key functions: Voltage Regulation, Fuel Gauging, and Charge Management. Voltage Regulation ensures that the voltage to and from the battery is at the correct level for the specific application. A fuel gauge accurately monitors and estimates the available power in a cell or battery pack and can provide the remaining battery capacity for advanced power management systems. Charge management includes overcharge, over-discharge, and peak current protection.

The BQ28400PW is compatible with different chemistries, such as nickel cadmium (NiCd), nickel metal hydride (NiMH), and Lithium ion (Li-ion) cells. Its low power consumption enables efficient monitoring of the battery’s health while preserving battery life. The IC also features an accurate and easy-to-use fuel gauge that simplifies the end product design, allowing users to accurately identify the amount of remaining energy storage in their application.

The BQ28400PW is a versatile power management and fuel-gauging IC, which has many applications in the portable and mobile sector. In portable and mobile applications, it can be used to provide power management and fuel-gauging capabilities to battery-operated devices and systems. This IC also supports Impedance TrackTM, providing high accuracy estimation of the remaining battery capacity. The device is well suited for industrial and consumer applications such as wearables, and IoT devices. The BQ28400PW provides the combined benefits of low power consumption and accurate fuel-gauging, ensuring efficient and reliable operation in battery-powered applications.

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