MCP73223-C2SI/MF

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PMIC - Battery Chargers

The MCP73223-C2SI/MF is a high performance, monolithic buck regulator and battery charger from Microchip Technology. This device is designed to operate from a wide range of input power and is ideally suited for use in battery-powered devices. It is capable of charging and discharging two Li-ion cells in series, and provides two step-down outputs for efficiency and precision at each stage.

Application Field

The MCP73223-C2SI/MF has several applications in portable electronic devices and is ideal for applications where long battery run times are needed. It is especially well-suited for mobile phones, PDAs and other mobile devices, due to its small size and high efficiency. It is also suitable for use in gaming consoles and other battery-powered electronics. Furthermore, it can be used in automotive, military and industrial applications.

Working Principle

The MCP73223-C2SI/MF is a monolithic buck converter and charger. It uses a DC/DC converter to regulate the output voltage of the input power supply and provide a steady voltage to the downstream device. When the power supply is below the output voltage, the charger will enter a charging phase and charge the battery. When the power supply is above the output voltage, the charger will enter a discharge phase and the battery will discharge back into the power supply.

The MCP73223-C2SI/MF consists of two buck converters, an input stage and an output stage. The input buck converter is used to regulate the voltage of the input power supply, while the output buck converter is used to regulate the output voltage. The two buck converters operate in parallel to the load, or battery, ensuring that the output voltage is accurately maintained. The device also incorporates internal protection features, such as over-current and over-voltage protection, to ensure the safety of the device.

In addition, the MCP73223-C2SI/MF is also equipped with integrated safety power management and programmable safety settings. The safety settings allow the user to customize the charging and discharging rates of their device, as well as its current and voltage parameters. This ensures that the device is not over-stressed and can maintain a longer lifespan. Additionally, the device also has soft-start and over-temperature shutdown protection.

Conclusion

The MCP73223-C2SI/MF is an advanced and highly efficient buck regulator and battery charger. It is capable of providing high efficiency and low quiescent current operation, making it ideal for use in portable devices. Its integrated safety features make it suitable for use in automotive, military, and industrial applications. Furthermore, it is equipped with programmable settings to enable users to customize the charging and discharging rates of their device.

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