RT8204BGQW

Overview

The RT8204BGQW is a single synchronous buck PWM controller manufactured by Richtek Technology Corporation. It operates within an input voltage range of 3 V to 26 V and utilizes a buck-synchronous topology. The device is designed to provide high efficiency, excellent transient response, and high DC output accuracy. It serves as a primary component for stepping down high-voltage batteries to generate low-voltage power rails in notebook computer systems.

Feature Summary

• Provides high efficiency and excellent transient response capabilities
• Delivers high DC output accuracy for stable power delivery
• Integrates LDO controller functionality alongside the main PWM control

Applications

• Notebook computer CPU core power supplies
• Notebook computer I/O power supplies
• Notebook computer chipset RAM power supplies

Procurement Notes

Verify the specific suffix 'BGQW' against official Richtek documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for WQFN EP packages. Confirm that the single-output configuration meets the target application requirements without needing additional controllers.

Selection Notes

Select this component when designing single-rail synchronous buck converters for portable computing devices. It is suitable for applications requiring precise voltage regulation from battery sources. Consider thermal management solutions appropriate for the WQFN EP package to maintain performance under load.

Part Context

This part belongs to the Richtek RT8204 series of DC/DC controllers. It is specifically engineered for notebook power architectures where space and efficiency are critical constraints. The device complements other PMICs in laptop power distribution networks by handling specific low-voltage core loads.

Replacement Considerations

Publicly confirmed substitute part numbers for the RT8204BGQW were not identified in the provided source material.