MCP73837T-FCI/UN

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Modern consumer electronics continues to grow rapidly, with proprietary portable battery-powered devices appearing with increasing frequency. This has created a need for efficient battery charging solutions that can rapidly recharge batteries in a safe and reliable manner. The MCP73837T-FCI/UN is a Lithium-ion/Polymer charge management controller from Microchip that is specifically designed to meet the charging requirements of modern consumer device applications. This article will discuss the application fields and working principle of the MCP73837T-FCI/UN.

Application Fields

The MCP73837T-FCI/UN features a 3.2V to 6V input voltage range, making it suitable for applications ranging from consumer electronics to automotive battery systems. It is specifically designed to provide fast and safe charging of single-cell lithium-ion or lithium-polymer batteries with charge currents of up to 1.5A. The device also features low power consumption, low current consumption, and short-circuit protection.

The MCP73837T-FCI/UN is capable of providing efficient charging solutions for all types of applications, ranging from consumer electronics to automotive battery systems. The device is specifically designed for single-cell lithium-ion or lithium-polymer chargers, and is capable of charge currents of up to 1.5A. Additionally, the device offers a number of safety features, including over-voltage, under-voltage, temperature and short-circuit protection, making it an ideal choice for a wide range of applications.

Working Principle

The MCP73837T-FCI/UN is a highly integrated battery charge management controller for single-cell lithium-ion/lithium-polymer battery systems. The device employs a constant current/constant voltage (CC/CV) charging algorithm, which allows it to deliver a constant charging current to the battery while monitoring the battery\'s voltage. When the battery reaches its full charge, the device automatically shuts off, thereby preventing overcharging of the battery and resulting in a more efficient charging solution.

The device also features an adjustable charge termination voltage, which can be programmed to a user-defined voltage to suit their specific application requirements. Finally, the device also includes an integrated sense resistor for feedback and control, which ensures that the device delivers reliable and accurate charging.

In summary, the MCP73837T-FCI/UN is a highly integrated Lithium-ion and Lithium-polymer charge controller designed to provide efficient and reliable charging solutions for a variety of applications. With its adjustable charge termination voltage, integrated safety features, and low power consumption, the device is ideal for a wide range of battery charging applications, from consumer electronics to automotive battery systems.

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