MCP73213-B6AI/MF

Series:	*
Packaging:	Tube
Part Status:	Active
Package / Case:	10-VFDFN Exposed Pad
Supplier Device Package:	10-DFN (3x3)

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Introduction

The MCP73213-B6AI/MF is a low-cost, high-efficiency, mono-directional power management integrated circuit (PMIC) - battery charger. It is specifically designed to charge single- and/or multiple-cell, Polymer Lithium-ion battery packs. The charging process is highly flexible and adaptable to different types of battery chemistries (NiCd, NiMH, Li-ion, and Li-polymer). The MCP73213-B6AI/MF operates on a wide input voltage range of 4.5V to 24V, and can provide output currents up to 0.8A.

Applications

The MCP73213-B6AI/MF is optimally designed for portable electronic devices that require a long battery life and a safe, quick charging process. This includes applications such as mobile phones and other cellular devices, digital cameras, handheld game consoles, and MP3/MP4 players. In addition, it can be used in higher power applications such as power tools and battery powered vehicles, providing improved battery performance and extended run-time.

Design and Features

The MCP73213-B6AI/MF utilizes a power control unit and a battery protection circuit to ensure safe and efficient charging, regardless of the battery conditions. The built-in protection features include over-voltage, over-current and short circuit protection, and thermal runaway protection, ensuring the safety of the device and its user.The MCP73213-B6AI/MF comes with two user programmable pins for charging voltage levels and two status pins for reporting the charging status. The device also offers up to four charge profiles, allowing the user to set separate parameters for different types of batteries.

Working Principle

The MCP73213-B6AI/MF operates by controlling the charging current and voltage to the battery pack. When sufficient voltage is supplied, it will start to provide constant current to the battery and adjust the charging voltage accordingly. During this process, the device monitors the battery voltage, current and temperature to determine the optimal charging parameters. When the battery is nearly full, the charging process is terminated and the device will enter a maintainence mode to properly manage the charge. TheMCP73213-B6AI/MF also features an active switching protection feature, which allows the device to automatically disable charging in the event of unsafe conditions or low battery levels. This prevents the potential for damage to the battery due to excessive charging and prevents the device from excessively draining the battery in low-voltage conditions.

Conclusion

The MCP73213-B6AI/MF PMIC - battery charger is a fully integrated, low-cost, high-efficiency charging solution for single- and/or multiple-cell, Polymer Lithium-ion battery packs. It offers a wide input voltage range, up to 0.8A output current, an extensive battery protection suite and an integrated active switching protection feature. This makes the MCP73213-B6AI/MF an ideal choice for portable devices, high power applications and low-voltage battery packs.

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