LC709203FXE-05MH

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PMIC (Power Management ICs) are specialized electronic components designed to monitor and control different electrical systems in a cost- and power-efficient manner. In particular, battery management systems need to be monitored and controlled in order to ensure optimal performance, longevity, and safety for the end user. One of the most widely used battery management ICs on the market is the LC709203FXE-05MH, which is optimized for lithium-ion battery applications in consumer and industrial electronics.

Overview

The LC709203FXE-05MH is a three-channel, 4.2V battery gauge IC with low operating current of 60nA. It features a built-in temperature sensor and a fuel gauge that utilizes a Coulomb counting method. The IC also includes a charge pump-based cell balance circuit that helps protect the battery from over or undervoltages, as well as a voltage detection circuit to prevent the battery from overcharging or over discharging. The IC is designed to be used in battery packs that contain 2 to 4 cells. The IC is also compatible with a variety of battery charge and discharge controllers.

Application Fields

The LC709203FXE-05MH is a highly flexible, cost-effective solution for a variety of applications, including consumer electronics such as smartphones, tablets, and digital cameras as well as industrial applications such as medical devices, battery storage systems, and automotive systems. It is also well-suited for use in lithium-ion battery-based wearable devices due to its low operating current.

Working Principle

The working principle of the LC709203FXE-05MH is based on a Coulomb counting method. The IC measures the amount of charge that has been transferred into or out of the battery over time and uses this information to calculate the battery\'s remaining capacity. It also includes a temperature sensor, allowing it to accurately monitor the battery temperature and adjust the charge and discharge voltage accordingly. The IC also features a cell balance circuit, which prevents over or under voltages by automatically adjusting the current through each cell in the battery pack.

Conclusion

The LC709203FXE-05MH is a highly capable battery management IC that offers a cost- and power-efficient solution for a variety of applications. It features a low operating current, a Coulomb counting method, and a cell balance circuit, making it ideal for use in lithium-ion battery-based wearable devices, consumer electronics, and industrial applications.

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