MCP73834-GPI/UN

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Power Management Integrated Circuit (PMIC) devices are used in a wide range of applications, from consumer electronics to industrial-grade applications. One type of PMIC device is the battery charger, which is used to charge removable or onboard rechargeable batteries. The MCP73834-GPI/UN is a highly integrated power management device designed to provide a regulated battery charging system. It provides accurate charge current and voltage control for Lithium-Ion-based battery packs and provides an ideal solution for portable applications.

The MCP73834-GPI/UN provides system designers with comprehensive features that enable time-to-system control for efficient and reliable charging. It uses a constant current/constant voltage (CC/CV) charging algorithm, which maintains battery health and minimizes charge time. The device is designed to charge single-cell Lithium-Ion (Li-Ion) batteries with a maximum battery voltage of 4.2 V, and also supports 3.0 V to 4.35 V Li-Ion/Polymer batteries. It can be used with two types of power sources, either an AC wall adapter or alternatively a USB port.

The MCP73834-GPI/UN provides highly efficient charging that is based on a cross-conduction control. This control method dynamically switches between source and load using one MOSFET, eliminating the need for two switches and reducing conduction losses. The device includes a Power Path Management (PPM) system that maintains the power source and eliminates external components. It also includes an I2C interface that allows communications between the device, the host processor and other system components.

TheMCP73834-GPI/UNalso utilizes safety features to protect the battery from overcharging, temperature, and short circuit conditions. It also implements a four-stage charging system, comprised of pre-current, constant current, constant voltage, and top-off stages. These stages offer an accurate charge control, which optimizes the charging time and ensures battery health.

In addition to providing charging and safety features, the MCP73834-GPI/UN also offers a variety of system power management features. These include a low power sleep mode, input current limit, charge status output pin, and adjustable charge current up to 4.1 A. These features allow designers to tailor the device to their specific application requirements.

The MCP73834-GPI/UN is primarily used in portable applications such as mobile phones, tablets, digital cameras, and other consumer electronics. Additionally, it is ideal for industrial applications such as robots, power tools, medical monitoring equipment, and other applications requiring efficient charging.

In summary, the MCP73834-GPI/UN is a PMIC device designed for efficient and reliable charging of single cell Lithium-Ion batteries. It incorporates a variety of features that support accurate voltage and current control, Power Path Management, and system power management. This device is primarily designed for use in portable applications such as consumer electronics and industrial-grade machines.

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