MCP73213T-A6BI/MF Integrated Circuits (ICs)

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PMIC - Battery Chargers (Power Management Integrated Circuit - Battery Charger) are a type of electronic device that is used to charge a battery. The MCP73213T-A6BI/MF is a high-efficiency switch-mode battery charger that is designed to charge a single-cell Lithium Ion (Li-ion) or Lithium Polymer (Li-poly) battery from a USB supply. This chip operates from a 4.25V to 5.5V input voltage range and can provide up to 1.5A output current.

This chip is designed for portable applications that require high efficiency, small size, low cost, and load sharing capabilities. It can be used to charge mobile phones, digital cameras, tablets, and other devices that require a USB-based power supply.

The MCP73213T-A6BI/MF operates in either a constant current (CC) or a constant voltage (CV) mode. In the CC mode, the charger regulates the charge current to a predetermined level while the cell voltage increases until it reaches a maximum. In the CV mode, the charger regulates the output voltage to a predetermined level while the charge current decreases until it reaches zero. When the battery is fully charged, the charger enters a programmable sleep mode to reduce the quiescent current.

The MCP73213T-A6BI/MF includes a thermistor compatible, over-discharge detection circuit and automatic reverse-disconnect features to protect the battery from damage during the charging process. The chip also features an adjustable charge termination threshold for the detection of over-charge and over-discharge conditions.

The MCP73213T-A6BI/MF requires external components for basic operation, such as an inductor, a power switch, and several capacitors. It also has several external pins that can be used to sense an accessory presence or set various operating parameters. The device contains a 16-bit digital-to-analog converter that controls the charge current and voltage, as well as a 9-bit digital-to-analog converter for the programmable sleep mode.

The MCP73213T-A6BI/MF is designed for easy integration with other on-chip peripherals and requires minimal external components. It is also designed to detect faults in the system, such as an open drain output or under-voltage condition, and to automatically shut down the system to prevent permanent damage. The chip is available in both a 24-pin thin quad flatpack (TQFP) and a 28-pin small outline integrated circuit (SOIC) package for easy mounting on a circuit board.

The MCP73213T-A6BI/MF is a high-efficiency and high-performance switch-mode battery charger that is ideal for integrating into a variety of small, portable applications. It is a cost-effective solution for applications that require a reliable and efficient charging solution. It provides a solution for applications where a single-cell Li-ion or Li-polymer battery needs to be charged from a USB supply, while protecting the battery from damage due to over-voltage, over-current, and over-temperature conditions.

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