MCP73833-B6I/MF

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PMIC or power management IC (integrated circuits) are designed to facilitate the efficient management and distribution of energy, ensuring devices receive the correct voltage and current in order to function. Battery chargers are PMICs that pull in current from an external source (such as a wall outlet) and then, using specific algorithms, feed it into the battery until it is completely charged. The MCP73833-B6I/MF is an example of a PMIC battery charger.

MCP73833-B6I/MF Application Fields

The MCP73833-B6I/MF is designed for use in a wide variety of portable and embedded applications. It is suitable for batteries ranging from Li-Ion to NiMH, and its maximum operating voltage is 4.2V. It is designed with a temperature taper charging of 1.5%/ °C, making it ideal for high temperature applications such as medical instruments. Additionally, it incorporates a maximum current limit, and has a removable bottom plate for easy direct coupling.

The MCP73833-B6I/MF also features an adjustable charge current and is available in a variety of package types including surface mount and through-hole. This makes it a very versatile option for a variety of applications. It is particularly well-suited for consumer electronics and engineering projects, such as robotic platforms and remote control devices.

MCP73833-B6I/MF Working Principle

The MCP73833-B6I/MF is a linear Li-Ion/NiMH battery charger IC designed for two-cell (3.0 V - 4.2 V) lithium-ion and NiMH batteries. It is designed to provide a constant current/constant voltage charge with a termination current of 1.0 A ± 0.25 A. It also features an adjustable fast-charge current from 100 mA - 1.2 A with a temperature taper charging of 1.5%/°C.

The MCP73833-B6I/MF incorporates several system protection algorithms, including short circuit protection and thermal regulation. In addition, it has an internal Power-on LED indicator and external charge status LED indicators. The LED indicators provide visual feedback to the user of the charging status.

The MCP73833-B6I/MF charger operates with a wide input voltage range of 4.5V to 33V, allowing it to be used with a wide variety of standard wall adapters. It also features a battery fault detection circuit which monitors the voltage on the battery and will immediately stop charging in case of a low voltage condition.

Conclusion

The MCP73833-B6I/MF is an ideal PMIC for powering portable and embedded applications with a wide array of device packages and wide input voltage range. It is designed for use with lithium-ion or NI-MH batteries and can be used with a wide variety of standard wall adapters. The MCP73833-B6I/MF also features several system protection algorithms and external charge status LED indicators to provide visual feedback to the user of the charging status.

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