U2403B-MFPG3

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PMIC - Battery Chargers such as the U2403B-MFPG3 are met with in a variety of applications. In this piece, we will discuss the application field and working principle of the U2403B-MFPG3.

The U2403B-MFPG3 is designed for 3-cell Li-Ion battery management in applications including notebook and tablet computers. This Programmable Multi-cell Li-Ion /Polymer Battery Charger IC is a low-cost, low-profile solution for notebook, tablet, and other mobile devices. The U2403B-MFPG3 integrates a high-efficiency step-down converter, charge pump, current sense amplifier, and a 4-cell battery monitoring system. This flexible design provides several settings to optimize battery charging, from fast charge/discharge rate to monitor accuracy of the cells. The U2403B-MFPG3 also supports a wide range of input sources and protection features, making it suitable for a wide variety of applications.

The working principle of the U2403B-MFPG3 is similar to other PMICs such as the U2002B-MFPG3. It is a switching step-down battery charger with a current-sense amplifier, enabling the user to set an upper limit on the output current during fast charging. During the charging process, the U2403B-MFPG3 monitors the cell voltage and temperature to ensure safe charging. It is also important to note that the U2403B-MFPG3 supports wide input voltages, up to 20V. This way, it is possible to charge a battery with a wide range of input sources, such as USB 3.0, AC adapter, as well as wall outlets. Thus, the U2403B-MFPG3 is an easy to use, low-cost, and reliable solution for 3-cell Li- Ion battery chargers.

The U2403B-MFPG3 is also equipped with protective features such as overvoltage protection and thermal regulation. Overvoltage protection prevents failure of the device by monitoring the voltage present at the battery and preventing it from exceeding the absolute maximum ratings specified by manufacturer. Thermal regulation protects the device from high temperature, ensuring that it does not reach temperatures that may cause damage to the device.

In summation, the U2403B-MFPG3 is an ideal choice for meeting the requirements of a wide range of applications, from notebook and tablet computers to various mobile devices. It is a low-cost, low-profile solution that provides several settings to optimize battery charging, and is protected by various safety features. The U2403B-MFPG3 is a dependable, easy to use solution for 3-cell Li-Ion battery chargers.

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