RT8809BZQW

Overview

The RT8809BZQW is a single-output PWM controller designed for GPU core power regulation. It operates with an input voltage range of 4.5V to 13.2V and provides an adjustable output voltage from 2V to 13.2V. The device supports surface mount installation in a WQFN-24 package. It functions within a temperature range of -40°C to +85°C.

Feature Summary

• Designed as a dedicated controller for GPU core power supplies
• Supports wide input voltage ranges suitable for various system architectures
• Provides precise voltage regulation for high-performance graphics processing units

Applications

• GPU core power supply control
• High-efficiency main power supply controllers
• Notebook computer power management systems

Procurement Notes

Verify the active status of this component, as some sources indicate it may be obsolete or no longer manufactured. Confirm RoHS compliance and lead-free status through official manufacturer documentation before integration. Ensure the specific suffix matches the required package and thermal characteristics for your design.

Selection Notes

Select this controller when designing power stages for GPU cores requiring a single regulated output. Consider its input voltage compatibility with your system's rail and its thermal performance within the specified operating temperature range. Verify that the WQFN-24 package fits your PCB layout constraints.

Part Context

This component belongs to Richtek's portfolio of special purpose regulators and PMICs. It is categorized under switching controllers specifically optimized for graphics processing unit applications. The device integrates necessary control logic to manage external power switches efficiently.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided data. Consult the manufacturer for current alternatives if this component is marked as obsolete.