S-8261AAUMD-G2UT2U

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PMIC - Battery Management

The S-8261AAUMD-G2UT2U is a DC-DC converter IC from Seiko Instruments (SII). It is in the PMIC - Battery Management family and is commonly used for notebook PCs and other mobile devices. The main features of the S-8261AAUMD-G2UT2U are integrated dual-channel high-side MOSFETs, input-side precharge circuit, over-voltage protection (OVP) circuit, over-current protection (OCP) circuit, an embedded ripple filter, and an integrated timer circuit. In addition, the S-8261AAUMD-G2UT2U also supports bidirectional charging and has a low quiescent current of 12µA.

The S-8261AAUMD-G2UT2U is used in applications such as notebook PCs, tablet PCs, and mobile devices. It is a one-step solution for battery management applications and can be used to extend battery life, improve efficiency, and reduce power consumption. The S-8261AAUMD-G2UT2U is ideal for applications requiring bidirectional charging (both AC and DC).

Working Principle

The S-8261AAUMD-G2UT2U works on the principle of a DC-DC converter. It takes in an input voltage and converts it to an output voltage using a series of transistors and control logic. The output voltage is then sent to the device or load that requires electrical power. The S-8261AAUMD-G2UT2U also integrates protection circuits such as over-voltage protection (OVP), over-current protection (OCP), and a ripple filter. The protection circuits work together to ensure safe operation of the device being powered by the S-8261AAUMD-G2UT2U.

The S-8261AAUMD-G2UT2U can also be used in bidirectional applications, where it can both charge and discharge a battery. The charging circuit uses a series of protection circuits such as OCP, OVP and ripple filter to ensure safe charging of the battery. The discharge circuit allows for a controlled discharge of the battery, and can be used for powering a device in a low power mode.

The S-8261AAUMD-G2UT2U also integrates a low quiescent current of 12uA, which makes it energy efficient. Furthermore, the S-8261AAUMD-G2UT2U supports various control modes such as voltage control and current control, which allows for a wide range of applications.

Conclusion

The S-8261AAUMD-G2UT2U is a DC-DC converter IC from Seiko Instruments (SII) and is part of the PMIC - Battery Management family. It is a one-step solution for battery management applications and can be used to extend battery life, improve efficiency, and reduce power consumption. The S-8261AAUMD-G2UT2U is suitable for applications such as notebook PCs, tablet PCs, and mobile devices. It also supports bidirectional charging and has a low quiescent current of 12µA. The S-8261AAUMD-G2UT2U works on the principle of a DC-DC converter, which takes in an input voltage, converts it to an output voltage, and sends it to the device or load that requires electrical power.

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