RT9045AGSP

Overview

The RT9045AGSP is a cost-effective DDR bus termination regulator manufactured by Richtek. It provides a sink/source current of 1.8 A with an input voltage range of 1 V to 5.5 V. The device features a maximum output voltage of 20 mV and operates within a temperature range of -40°C to +85°C. Input quiescent current is specified at 20 uA. It is housed in an SOP-8 package.

Feature Summary

• Provides bidirectional sink and source current capability for precise bus termination control.
• Integrates thermal shutdown and overcurrent protection mechanisms for enhanced operational safety.

Applications

• DDR memory bus termination
• Server platform power management
• Cloud infrastructure memory modules

Procurement Notes

Verify the specific suffix 'AGSP' against the manufacturer's official datasheet to confirm pinout compatibility and electrical specifications. Ensure that the selected component meets the required RoHS compliance standards and moisture sensitivity level (MSL) ratings for your assembly process. Cross-reference the ordering information with authorized distributors to validate authenticity and traceability before finalizing procurement decisions.

Selection Notes

Select this component when designing systems requiring a dedicated, high-current solution for DDR bus termination. Consider the wide input voltage range and low quiescent current for efficiency. Evaluate the SOP-8 package constraints regarding thermal dissipation and board space availability compared to alternative PMIC solutions.

Part Context

This part belongs to the Richtek RT9045 series, specialized for professional power management applications. It addresses the need for accurate voltage regulation in high-speed memory interfaces. The series supports various DDR generations commonly used in enterprise and consumer electronics.

Replacement Considerations

RT9045AS-A is listed as an alias for this component. Verify functional equivalence through official cross-reference documentation before substitution.