RT9991GQV

Overview

The RT9991GQV is a specialized power management IC designed for Solid State Drive (SSD) applications. It integrates three output voltage regulators within a single package to streamline system design. The device operates with an input voltage range of 2.8V to 5.5V, providing flexible power solutions for SSD controllers and memory components. Output voltages are adjustable down to 0.8V, allowing precise regulation for various logic levels. The component functions reliably across an operating temperature range of -40°C to 125°C, ensuring stability in demanding environments.

Feature Summary

• Integrates three independent output voltage regulators into a single compact package
• Designed specifically for power sequencing and regulation in Solid State Drive systems
• Supports adjustable output voltages to accommodate diverse load requirements

Applications

• Solid State Drive (SSD) power management
• SSD controller voltage regulation
• NAND flash memory power supply

Procurement Notes

Verify the specific suffix 'GQV' matches your board layout and pinout requirements. Confirm RoHS compliance status as documentation may vary by production batch. Check lifecycle status, as some sources indicate this product may be discontinued or subject to tariff regulations depending on shipping destination. Ensure compatibility with your system's input voltage constraints before procurement.

Selection Notes

Select this component when designing SSD power architectures requiring multiple regulated rails from a single source. It is suitable for systems needing adjustable outputs between 0.8V and higher limits derived from the 2.8V-5.5V input range. Consider its thermal performance and package type for integration into space-constrained storage modules.

Part Context

This part belongs to Richtek's portfolio of special purpose regulators tailored for data storage applications. It addresses the complexity of powering modern SSDs by consolidating multiple regulator functions. The device supports the industry trend toward miniaturization and efficiency in consumer and enterprise storage solutions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence with other multi-output PMICs if this component is unavailable.