P9028A-2AWGI

Series:	--
Part Status:	Obsolete
Applications:	Wireless Power Receiver
Current - Supply:	--
Voltage - Supply:	--
Operating Temperature:	0°C ~ 85°C

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P9028A-2AWGI Application Field and Working Principle

Background Information

P9028A-2AWGI is an ultra-low power system power management IC (PMIC) produced by Siemens. It is part of the company\'s P90 line of PMICs, which are designed for use in mobile and wireless devices such as smartphones and tablets. The chip is designed to achieve high integration and efficiency while consuming extremely low power, making it ideal for applications where low power consumption is critical.

Application Fields

The P9028A-2AWGI is an ultra-low power PMIC, and as such is most often used in applications where low power consumption and high efficiency are key. Common applications include: • Smartphones and tablets: The P9028A-2AWGI is frequently used in high-end smartphones and tablets, where it can provide efficient power management and low power consumption. • Wearable devices: The chip is often used in wearable devices such as fitness trackers, smart watches, and hearing aids, where it can provide reliable power for the device’s electronics with minimal battery drain.• Healthcare: The chip is used in medical devices such as cardiac monitors, where its ability to provide reliable power with minimal power consumption is critical.• Industrial applications: The chip is frequently used in industrial applications such as sensors and robots, where low power consumption and high efficiency are essential to the device’s performance.

Working Principle

The P9028A-2AWGI is a low-power system power management IC, and as such it consists of three main power blocks: an oscillator, a voltage regulator, and a power-on-reset (POR) circuit. The oscillator generates a signal with a pre-determined frequency, and the voltage regulator steps down the signal to the desired voltage. The POR circuit monitors the signal and triggers the reset signal if the voltage drops below a certain threshold.The chip also features an integrated low-dropout (LDO) regulator, which enables it to provide ultra-low power consumption for low-power applications. The LDO is able to operate in both linear and switching modes, allowing it to provide either consistent output voltage or step-down the input voltage.The chip also features integrated protection features such as over-temperature protection, over-current protection, and under-voltage protection. This helps to ensure reliable operation of the device in extreme conditions.

Conclusion

The P9028A-2AWGI is an ultra-low power PMIC designed for use in mobile and wireless applications. It is most often used in applications where low power consumption and high efficiency are key, such as smartphones, tablets, wearables, healthcare, and industrial applications. The chip consists of an oscillator, voltage regulator, power on reset circuit, and an integrated LDO regulator, and features built-in protection features for enhanced reliability.

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