S-8241ACUMC-GCUT2G

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Power Management Integrated Circuits (PMICs) have become a major force in powering and managing the wide range of consumer electronics now available in the market. The S-8241ACUMC-GCUT2G is an example of a PMIC designed for use in battery-powered applications, specifically for power management, charging, and protection of portable device batteries. This application note will discuss the application field and working principle of this device.

Application Field of S-8241ACUMC-GCUT2G

S-8241ACUMC-GCUT2G is a two-channel PMIC for powering and protecting portable device batteries. It is designed for use with Li-Ion/Li-Polymer/LiFePO4 batteries and provides a range of features to facilitate comprehensive power management of the battery. The primary application field of this device is consumer electronics such as portable digital audio players, digital still cameras, handheld games, mobile phones, and PDAs.

This PMIC contains two battery chargers, an input current limit circuit, an output current limit circuit, a gas gauge, an over-current protection circuit, and an integrated USB OTG port. The device supports USB BC1.2/2.0 and Apple Mfi, and can be used as a power supply for two or four battery cells connected in series. The two channels can be used independently and the device can automatically detect the connection status of the cells, allowing for accurate battery management.

Working Principle of S-8241ACUMC-GCUT2G

The S-8241ACUMC-GCUT2G is a charge management device, with two independent channels for battery protection and charging. This device supports two- or four-cell parallel or series operation and automatically detects the connection status of the cells. The device supports a wide input voltage range and can automatically detect the input power source to provide power to the cells. The internal over current protection circuit (OCP) prevents overcurrent due to unexpected load changes.

The device also contains a gas gauge to monitor the battery charge level. The gas gauge is connected to the battery cell terminals, and can detect the cell voltage, current, and temperature. The gas gauge also contains an integrated temperature sensor, which can be used to detect the temperature of the cells, and adjust the charging parameters accordingly.}

The main component of the S-8241ACUMC-GCUT2G is an integrated DC-DC converter. The output voltage is adjustable, and the output current is set by the internal OCP. The device can adjust the output voltage or current based on the cell temperature, or input voltage, to ensure that the cell does not overcharge or over-discharge. This allows for efficient power conversion, and increases battery life.

The S-8241ACUMC-GCUT2G also contains a USB OTG port, which allows the device to be used as a power source. The USB OTG port can provide up to 2.5A of power, and is compatible with USB BC1.2/2.0 and Apple Mfi devices. This allows the device to be used as a power source for a variety of different devices.

Conclusion

The S-8241ACUMC-GCUT2G is a two-channel PMIC designed for use with Li-Ion/Li-Polymer/LiFePO4 batteries. The device supports a wide input voltage range, and an integrated USB OTG port. The device contains two battery chargers, an over current protection circuit, and an integrated gas gauge. The main component of the device is an integrated DC-DC converter, which can adjust the output current and voltage based on the cell temperature and input voltage.

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