MCP73811T-420I/OT Integrated Circuits (ICs)

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MCP73811T-420I/OT is a high-performance integrated Li-ion/Li-polar battery charger. It is categorized as a PMIC (Power Management Integrated Circuit) and is specifically designed for charging single-cell lithium-ion (Li-ion) and lithium-polar (Li-polar) batteries. The MCP73811T-420I/OT provides a wide range of power-management capabilities, such as temperature compensation, current limiting and over-voltage protection. It offers a variety of operational modes and user adjustable parameters to customize the charging protocol, including fast-charge, trickle-charge, and battery maintenance modes.

The MCP73811T-420I/OT IC is a low-cost, high-efficiency, fully integrated battery charging solution. It includes an efficient MOSFET, eliminating the need for an additional external MOSFET. The device is specifically designed to operate within a wide voltage range of 0.9–5.5V, making it suitable for use with single-cell Li-ion/Li-polar batteries. The output current of the IC can be adjusted to suit power requirements, providing a maximum output of up to 400mA.

The MCP73811T-420I/OT is designed to provide safe, reliable and efficient charging of single-cell Li-ion/Li-polar Lithium-Ion batteries. It features built-in ESD (electrostatic discharge) protection, over-current protection, and overtemperature protection. The device also includes several programmable functions to ensure maximum safety, longevity and performance. The device includes programmable charge current, charge voltage, and termination current. It also includes programmable charge modes, such as, constant current/ constant voltage, timer based and adaptive charge termination, and battery maintenance. The device is certified to the USB Battery Charging Specifications Rev. 1.2.

The industry-standard, dual-cell input reduction switch technology employed in the MCP73811T-420I/OT allows the battery to be charged at temperatures ranging from -40°C to +85°C. The device can be operated either in an automatic or manual mode, allowing for versatility in a range of applications. The device features a built-in, programmable reset circuit that can be used to alert the user of a low or overcharged condition, as well as a fault indication to alert the user of any faults with the device itself. The device includes an integrated power-OK indicator as well.

The MCP73811T-420I/OT can be used in a wide variety of applications, such as, smart meters, medical devices, communication systems, energy storage systems, and smart phones. The device is ideal for battery-backed applications. The device is designed for a long service life, with a minimum of 10 years in continuous operation and up to 1000 charge/discharge cycles.

The MCP73811T-420I/OT is a low-cost, high-performance integrated Li-ion/Li-polar battery charger. It is an efficient, reliable, and easy-to-use solution for charging single-cell Li-ion/Li-polar batteries. The device features programmable settings for current, voltage, and termination current, as well as built-in safety features. The device offers a wide input range, low quiescent current, and up to 400mA output current, making it suitable for a variety of applications.

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