P9028-0AWGI

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P9028-0AWGI Overview

The P9028-0AWGI is an integrated circuit that is part of the Power Management Integrated Circuit (PMIC) family of power management products. It is specifically designed for applications such as portable electronics and provides the necessary power for a designers, system integrators and IC designers to approach power optimization and reduce power consumption.

The P9028-0AWGI is a single-stage mobile power management IC (MPMIC) that integrates a high-efficiency synchronous buck converter and an enabling/disabling BCDC LDO, with integrated power management and control, in one package. It supports high power conversion efficiency, over 91%, and support for high step-down voltages for optimum system power saving.

P9028-0AWGI Application Field

The P9028-0AWGI is a mobile power management IC (MPMIC) designed for applications in portable electronics, such as mobile phones, PDAs and portable media players. It is optimized to provide optimized power savings and maximum system efficiency in these applications.

The P9028-0AWGI integrates a buck converter, an enabling/disabling BCDC LDO, integrated power management and control into one package, offering superior performance in terms of power efficiency and power saving. This makes it ideal for applications such as USB charging and storage, gaming consoles, portable media devices, and more.

The P9028-0AWGI also supports high step-down voltages for optimized power savings. This helps reduce overall system power consumption, allowing for longer battery life and improved system flexibility. Additionally, the P9028-0AWGI can be used in applications for battery charging, allowing for better system efficiency in charging conditions.

P9028-0AWGI Working Principle

The P9028-0AWGI works with a buck converter and a BCDC LDO. The buck converter is designed to provide high efficiency power to the output while the LDO is designed to minimize power losses during start-up. During the buck converter cycle, the output is converted from its input voltage level to its desired output voltage level via a switching power stage.

The BCDC LDO on the P9028-0AWGI is enabled/disables by an EN pin which is controlled by the control logic integrated within the P9028-0AWGI. The control logic receives inputs from a variety of system sensors, such as temperature, voltage, and current sensors. The control logic then processes these inputs and outputs a signal to the EN pin, which enables/disables the BCDC LDO.

Finally, the P9028-0AWGI incorporates power management features that are designed to optimize power consumption and reduce power losses. These features include current limit, short circuit protection, over temperature protection, and over voltage protection.

Conclusion

The P9028-0AWGI is an integrated circuit part of the PMIC family that is designed to provide optimized power savings and maximum system efficiency in portable electronics applications. It integrates a buck converter with an enabling/disabling BCDC LDO, as well as integrated power management and control. Additionally, it supports high step-down voltages for optimum power savings and supports a variety of power management features for power optimization and reduced power losses.

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