RT8231CGQW

Overview

The RT8231CGQW is a DDR memory power supply controller manufactured by Richtek USA Inc. It utilizes a buck topology and operates within an input voltage range of 4.5V to 26V. The device provides one adjustable output with a maximum current capacity of 1.5A. It functions at a switching frequency of 400 kHz and supports operation temperatures from -40°C to +85°C. The component is housed in a 20-WQFN (3x3) package.

Feature Summary

• Integrated control for complete DDR memory power supply architectures
• Supports synchronous buck conversion topology
• Adjustable output voltage capability for specific memory requirements

Applications

• DDR memory power supply systems
• Computer motherboard designs
• Server hardware power management

Procurement Notes

Verify the manufacturer part number against official Richtek documentation to ensure authenticity. Confirm the package type matches the required 20-WQFN specification. Check moisture sensitivity level ratings if storage conditions are critical. Ensure the revision suffix aligns with the intended design implementation.

Selection Notes

Select this component when designing power stages for DDR memory applications requiring a single output channel. Consider the 400 kHz switching frequency for balancing efficiency and component size. Verify that the 1.5A output current meets the load requirements of the target memory modules.

Part Context

This part belongs to the Richtek RT8231 series, which includes variants like RT8231AGQW and RT8231BGQW. These components are specialized PMICs designed specifically for managing power delivery to dynamic random-access memory in computing environments.

Replacement Considerations

RT8231AGQW and RT8231BGQW are documented variants within the same product family.