MP6517GJS-XXXX-Z

Overview

The MP6517GJS-XXXX-Z is a single-phase brushless DC motor driver from Monolithic Power Systems, designed for applications such as fan and motion control. It integrates power MOSFETs with a total resistance of 850mΩ and features an embedded Hall sensor for rotor position detection. The device operates within a supply voltage range of 3.3V to 18V and supports a programmable peak current limit up to 1.2A. It utilizes automatic phase locking based on winding BEMF and current zero-crossing detection, ensuring efficient commutation. The component includes comprehensive protection mechanisms, including overvoltage, undervoltage lockout, thermal shutdown, and rotor lock detection.

Feature Summary

• Integrates high-sensitivity Hall sensors for precise rotor position sensing without external components
• Features automatic phase locking using back electromotive force and current zero-crossing detection
• Includes soft turn-on/off phase transitions to minimize acoustic noise and switching losses
• Provides integrated input reverse voltage protection eliminating the need for external diodes

Applications

• Single-phase BLDC fan motors
• Motion control systems
• Automotive cooling fans

Procurement Notes

Verify the specific suffix configuration (XXXX) against official datasheets to ensure correct pinout and functional variants. Confirm RoHS compliance status through manufacturer documentation prior to integration. Ensure design compatibility with the TSOT-23-6 package dimensions and thermal requirements for the target application environment.

Selection Notes

Select this component for designs requiring integrated Hall sensing and compact form factors in single-phase BLDC applications. Evaluate the 850mΩ internal resistance against thermal dissipation limits at expected load currents. Consider the fixed 26kHz output switching frequency when designing external filtering components to manage electromagnetic interference.

Part Context

This part belongs to the MP6517 series of motor drivers manufactured by Monolithic Power Systems. It is categorized under Motor / Motion / Ignition Controllers & Drivers within the PMIC segment. The device is specifically engineered to reduce solution costs by minimizing external component count while providing robust protection features for reliable operation in demanding environments.

Replacement Considerations

Consult official MPS documentation for verified substitute part numbers. Cross-reference electrical parameters and pin configurations carefully before substitution.