AM4951RMPTR-G1

Overview

The AM4951RMPTR-G1 is a single-phase full-wave fan motor driver manufactured by Diodes Incorporated. It features a bridgeless topology for efficient operation and includes integrated protection mechanisms such as over-temperature shutdown and undervoltage lockout. The device is designed for driving brushless DC fans with a rated current of 500mA. It operates within a supply voltage range of 2.2V to 24V and supports PWM speed control inputs. The component is housed in an HSOP-8 package and is suitable for applications requiring compact motor control solutions.

Feature Summary

• Bridgeless single-phase full-wave drive topology
• Integrated over-temperature and undervoltage protection
• Supports PWM speed control functionality

Applications

• Brushless DC fan motor control
• Computer cooling systems
• Server chassis ventilation

Procurement Notes

Verify the specific suffix 'G1' against the manufacturer's latest documentation to confirm compliance status and pinout compatibility. Ensure the ordering information matches the exact part number including the tape and reel designation. Cross-reference the datasheet revision date to validate all electrical characteristics before finalizing procurement specifications.

Selection Notes

Select this component for single-phase fan applications requiring a bridgeless driver architecture. Confirm that the system voltage remains within the 2.2V to 24V operating range. Verify thermal management requirements align with the integrated over-temperature protection thresholds. Ensure the PCB layout accommodates the HSOP-8 package dimensions and thermal pad requirements specified in the mechanical drawings.

Part Context

This part belongs to the AM495 series of motor drivers from Diodes Incorporated, which focuses on low-voltage, single-phase fan control solutions. The series typically integrates gate drivers and protection circuits to simplify design implementation. The AM4951 variant specifically targets full-wave drive applications, offering a compact alternative to discrete solutions while maintaining reliability in consumer and industrial cooling environments.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult the manufacturer's official substitution guide or contact technical support directly for verified alternatives.