MCP73837-FCI/MF

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The MCP73837-FCI/MF is a highly efficient and versatile battery management solution, specifically designed to charge multiple lithium-ion and LiFePO4 batteries. It is designed to be embedded in the battery charger, primarily targeting applications such as step charging, charge balancing, and fault detection in portable, embedded and automotive applications.

The MCP73837-FCI/MF is part of a new generation of Li-ion/LiFePO4 battery charging solutions, providing sophisticated battery management and protection capabilities in a fully integrated, flexible, and cost effective package. The device works in conjunction with a user’s external Battery Management System (BMS) to provide a complete battery charging solution for portable application, enabling smarter and faster charging cycles for Li-ion/LiFePO4 batteries.

It is fully integrated and simple to implement, providing user adjustable current levels and timing functions. The device operates from the input voltage source, typically a 12V automotive system voltage or other external voltage sources. The device can be configured as a single-cell charger with SoC or multi-cell charger with SoC with equal cells in parallel.

The main features of MCP73837-FCI/MF include fast 10-bit ADC with integrated voltage sense, on-chip charge and temperature control, high efficiency charging, low operations temperature, and over-voltage, over-discharge, and over-current protections. The ADC uses the programs of the device to monitor the voltage, current and temperature of the battery. The high accuracy of the ADC ensures a consistent and reliable charging process.

The MCP73837-FCI/MF provides an interface for system monitoring, interfacing with devices like resistive load switch, battery protection ICs and secondary protection circuit as part of the BMS. It also includes a low-current monitor output, which can be enabled through the UART interface and can be used by the host system to implement additional control functions.

The device operates with a wide input voltage range, from 2.4V to 25V, and can be configured to optimize the charge cycle and minimize system power losses. It also features a comprehensive protection circuit to ensure a safe and reliable charging process, including soft-start, current/voltage loop protection, over-temperature and over-discharge protections, and fault detection.

The MCP73837-FCI/MF provides the flexibility and scalability necessary to meet the demanding requirements of battery management in applications such as portable, embedded and automotive. The device is easy to use, combining advanced features and low power consumption, making it an ideal solution for charging and managing lithium-ion or LiFePO4 battery systems.

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