MCP73831-2ATI/MC

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MCP73831-2ATI/MC is a highly efficient and reliable power management integrated circuit (PMIC) that falls within the category of battery management products. It is a fully integrated, low-power, single-cell Lithium-Ion battery charger and power-path management designed for use with a wide range of system host processors. This PMIC utilizes a constant-current/ constant-voltage (CC/CV) charging algorithmic in order to safely charge Li-ion/ LiPO battery cells from cradle-to-grave. As such, it is tailored for charging the wide range of batteries used in the consumer and wireless electronics industry.

MCP73831-2ATI/MC functions as a single-cell, constant-current/ constant-voltage (CC/CV) battery charger that is typically associated with powerpath management. It is capable of controlling the charging of a stand-alone lithium-ion or LiPO cells from cradle to grave in consumer and wireless electronics products. The powerpath management integrated circuit is compatible with the battery charge current range of 280 mA – 1.5 A with a preset 4.2 V CV. It further contains a number of safety features, overvoltage protection, short-circuit protection, thermal regulation and reverse polarity throughout the system design.

The functioning of MCP73831-2ATI/MC is based on its advanced charging functionality system, which offers precision control over the charging process of the battery. The advanced system has 2 major elements including the Charge Current Control (ICC) and Charge-End Control (CEC) circuitry. The ICC settings control the charging current for the battery during the charge cycle, depending on the battery capacity, ensuring the cell does not exceed its safe charging current. The CEC circuitry features a preset voltage threshold that provides over-voltage protection and a Brown-out reset that provides an under-voltage protection to the battery. The controller also has a constant-voltage handling system, which will adjust the voltage when the voltage is out of range or when the cell is requested to cycle.

The highly efficient operation of MCP73831-2ATI/MC is complemented by its low quiescent current, which offers improved power management for the system. The low-profile design offers support for a wide range of applications, with integrated thermal regulation and reverse polarity protection features. Additionally, it features a scalable charge termination, which offers shutdown when the voltage drops below the set termination voltage.

In conclusion, MCP73831-2ATI/MC is a highly efficient PMIC battery charger and power-path management solution for use in a wide range of consumer and wireless electronics applications. It offers a constant current/ constant voltage charging algorithm, with user adjustable charging current, over-voltage protection, and low-power quiescent operation. The integrated thermal and reverse polarity protection profiles make it an ideal fit for a wide range of applications.

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