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Product Detailed Parameters
- Description：SINGLE PHASE BLDC MOTOR DRIVER W
- Series：*
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR)
- Motor Type - Stepper：-
- Motor Type - AC, DC：-
- Function：-
- Output Configuration：-
- Interface：-
- Technology：-
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：-
- Voltage - Load：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6 Thin, Flat Leads
- Supplier Device Package：TSOT-23-6-SL
- Grade：-
- Qualification：-
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Overview
The MP6517GJS-XXXX-P is a single-phase brushless DC motor driver integrating power MOSFETs and a Hall effect sensor. It supports an input voltage range of 3.3V to 18V with reverse voltage protection. The device delivers a programmable peak current limit up to 1.2A and operates at a fixed 26kHz switching frequency. It features automatic phase locking via BEMF and current zero-crossing detection, soft phase transitions, and comprehensive protection including OVP, UVLO, rotor lock, and overtemperature shutdown. The component is housed in a TSOT23-6 package.
Feature Summary
- Integrates high-sensitivity embedded Hall sensor for single-phase BLDC control
- Provides automatic phase locking using BEMF and current zero-crossing detection
- Includes programmable speed curves and PWM input frequency range from 12kHz to 48kHz
- Offers extensive protection features such as reverse voltage protection and auto-recovery mechanisms
Applications
- Single-phase brushless DC fan motors
- Small cooling systems requiring integrated drive solutions
- Appliances utilizing single-phase BLDC technology
Procurement Notes
Verify the specific suffix (XXXX) against official Monolithic Power Systems documentation to confirm exact ordering variations. Ensure compatibility with system voltage requirements within the 3.3V to 18V range. Confirm thermal management needs given the TSOT23-6 package constraints. Cross-reference pinout configurations with design schematics prior to implementation.
Selection Notes
Select this component for applications requiring a compact, integrated solution for single-phase BLDC motors. It is suitable where space is limited due to the TSOT23-6 footprint. Consider its built-in Hall sensor and automatic phase locking capabilities to reduce external component count. Evaluate the 1.2A current limit against motor specifications to ensure adequate performance margins.
Part Context
This part belongs to the MP6517 series of single-phase BLDC drivers from Monolithic Power Systems. It distinguishes itself by combining gate driving, power MOSFETs, and sensing into one IC. The series targets cost-sensitive and space-constrained designs, eliminating the need for discrete drivers and external diodes through integrated reverse voltage protection.
Replacement Considerations
- MP6517GJ-xxxx-P
- MP6517GJS-xxxx-Z
FAQ
How does the MP6517 handle phase commutation?
It utilizes automatic phase locking based on back-electromotive force (BEMF) and current zero-crossing detection, supported by soft conduction/off phase transitions.
What protection features are included?
The device includes input overvoltage protection, undervoltage lockout, rotor lock protection, overtemperature shutdown, and input line reverse voltage protection, many with auto-recovery functions.
