Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Controller, Intel IMVP-6.5™
Voltage - Input:	4.5 V ~ 5.5 V
Number of Outputs:	1
Voltage - Output:	0.013 V ~ 1.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	40-WFQFN Exposed Pad
Supplier Device Package:	40-WQFN (6x6)

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Introduction to RT8856GQW

The RT8856GQW is a high performance power management and control integrated circuit (PMIC) from Richtek. It offers versatile features for power control and monitoring for consumer, industrial, and automotive applications. It is designed for excellent flexibility and scalability, enabling high efficiency and long life battery performance.

Application Field of RT8856GQW

The RT8856GQW PMIC is ideal for consumer, industrial, and automotive applications with a wide range of output power options. It can provide both standard and higher performance power management, ranging from 0.5A to 6A (peak). It is also suitable for powering high current loads such as application processors, LED backlight drivers, RF power, and wireless ICs. In addition, its fast power up and wake up times, as well as its low power standby mode, make it suitable for battery-powered applications, including home appliances, battery -operated toys, portable electronics, and vehicles.

Features of RT8856GQW

The RT8856GQW PMIC features an integrated buck-boost converter, high-side and low-side MOSFET drivers, advanced control logic, and extensive protection features. It offers high efficiency, wide input voltage range (90 V to 600 V), adaptive switching frequency, and optimal performance. It also provides precision voltage monitoring, temperature monitoring and protection, low power consumption, and smart power sequencing.

RT8856GQW Working Principle

The RT8856GQW PMIC operates as both a buck and boost converter. When the input voltage is greater than the output voltage, it operates as a buck converter. When the input voltage is less than the output voltage, it operates as a boost converter. The buck-boost converter then adjusts its operation accordingly by automatically switching between these two modes. The RT8856GQW includes an advanced control logic which allows the converter to adjust its parameters (such as switching frequency, voltage jump and peak current) to achieve both optimal performance and efficiency. The PMIC also features protection features such as overload protection, overvoltage protection, and undervoltage protection to ensure a safe operation.

Conclusion

The RT8856GQW is a high performance PMIC designed for consumer, industrial, and automotive applications. It is a versatile and scalable PMIC, offering a wide range of output power options. It features a buck-boost converter and advanced control logic which allow it to automatically switch between buck and boost operations, as well as adjust its parameters to achieve optimal performance and efficiency. It also includes protection features such as overload protection, overvoltage protection, and undervoltage protection, to ensure a safe operation.

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