MCP73837T-FJI/UN

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The MCP73837T-FJI/UN is a highly efficient completely self-contained linear charge management controller for single-cell Li-Ion and Li-Ion Polymer OCP battery packs. This chip is classified as a PMIC (power management integrated circuit) and is used in applications such as battery charging and power management.

The MCP73837T-FJI/UN is available in three versions: the 3.2V float version, the 2.5V float version and the 2.5V/4.2V pulse version. Each version can manage a single-cell battery pack with a nominal voltage of 3.7V and a maximum charge current of up to 500mA. This makes it well suited for a variety of consumer and portable applications.

The MCP73837T-FJI/UN can be used as a battery charger for many types of batteries including lead-acid, Li-Ion, Li-Ion Polymer, and Lithium Iron Phosphate. It provides a complete charge management solution, including charge current regulation, thermal regulation, charge status monitoring, and over-voltage protection.

The MCP73837T-FJI/UN features a low voltage dropout regulator that allows for efficient power conversion. This allows for increased efficiency in battery charging, reducing the amount of power wasted during the charging process. The device also supports a pre-set charge current, allowing the user to easily adjust the charge rate for different types of batteries.

The working principle of the MCP73837T-FJI/UN is based on the principle of charge current regulation. When the battery voltage reaches a preset voltage, the device will regulate the output current to the battery, thereby controlling the charge rate. The device also features a safety cut-off function to prevent overcharging of the battery.

In addition, the device includes a number of features to ensure safety and reliability. These features include an under voltage lockout to prevent overcharge and a current regulation feature that prevents excessive current flowing through the battery while charging. The device also has over-charge, over-discharge protection and over-temperature protection.

The MCP73837T-FJI/UN is specifically designed for batteries that require careful monitoring during charging. It is ideal for use in portable, high current applications such as laptops, digital cameras, and other portable electronics. The device is also designed to provide an ideal solution for many multi-cell Li-Ion battery packs.

The MCP73837T-FJI/UN is an efficient charge management controller for single-cell Li-Ion and Li-Ion Polymer OCP battery packs. It features a low-voltage dropout regulator that allows for efficient power conversion and supports a pre-set charge current. With a number of safety and reliability features, it is ideal for use in portable, high current applications such as laptops, digital cameras, and other portable electronics.

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