MP2674EG-LF-P

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PMIC - Battery Chargers

The MP2674EG-LF-P is an Intelligent, Multi-purpose and Fully Programmable Battery Charger, designed for use in the consumer electronics industry. It is capable of charging both Ni-Cd, Ni-MH and Li Ion battery packs, and has a wide range of features designed to make it an attractive solution for a variety of applications.

Applications

The MP2674EG-LF-P is an ideal solution for a variety of applications, including laptops and other portable electronics, mobile phones, camcorders, PDAs, and digital cameras.

This product is also suitable for use in other industrial applications, such as electric vehicles, medical instrumentation, coagulation systems, and solar systems.

In addition to its Battery-Charging capabilities, the MP2674EG-LF-P also provides various power-management functions, such as a Power Selector feature that switches between two different applications specific power-Modes. This feature allows for a variety of power distribution architectures, maximizing power supplies efficiency and eliminating the need for additional power-Management ICs.

Features

The MP2674EG-LF-P provides a wide range of features designed to maximize user convenience and improve charging efficiency.

• High-efficiency charging with advanced charging algorithms that monitor battery charge and discharge to optimize battery lifetime.
• On chip temperature monitoring and control of charging profile to maximize battery life.
• Active current balancing across cells in battery packs.
• On board data logging of charging cycle history.
• Programmable power output and current limits.
• Charge indicator LED control.

Working Principle

The MP2674EG-LF-P utilizes an advanced three stage charge algorithm for fast and efficient charging of different battery types. It is also able to manage charging of multiple battery packs simultaneously.

The first stage, or pre-charging stage, involves charging a low-voltage battery until it reaches a safe voltage level. This is designed to maximize charge acceptance and minimize the chance of overcharging.

The second stage, or constant-current charging phase, involves the MP2674EG-LF-P continuously providing a constant current to the battery until a user-defined voltage level has been reached. This ensures that the battery is charged to its maximum capacity, and helps to extend the battery\'s life.

The third stage, or float-charging phase, is designed to minimize the current draw during extended idle times. This reduces the strain on the battery and prevents its spills during prolonged periods of inactivity. It also minimizes the chances of overloading the battery while in float-charge mode.

In addition to its three-stage charge algorithm, the MP2674EG-LF-P also provides a range of other useful safety features, such as short circuit protection, thermal shutdown and disconnect feature, charge detection, and under voltage lockout. Together, these features help to protect the user and the system from unexpected power surges and other unwanted events.

In conclusion, the MP2674EG-LF-P is a highly efficient and user-friendly WMP Battery-Charger, suitable for a variety of applications requiring fast, reliable and safe charging of Ni-Cd, Ni-MH and Li-Ion battery packs. Its wide range of features make it an attractive solution for a variety of applications, ranging from portable electronics to electric and solar vehicles.

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