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Product Detailed Parameters
- Description：IC MTR DRVR MULTPHAS 5-55V 40QFN
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR)
- Motor Type - Stepper：Multiphase
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Controller - Commutation, Direction Management
- Output Configuration：Pre-Driver - Half Bridge (3)
- Interface：PWM
- Technology：Power MOSFET
- Step Resolution：-
- Applications：General Purpose
- Current - Output：-
- Voltage - Supply：5V ~ 55V
- Voltage - Load：-
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：40-VFQFN Exposed Pad
- Supplier Device Package：40-QFN (5x5)
- Grade：-
- Qualification：-
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Overview
The MP6535GU-P is a three-phase brushless DC motor pre-driver from Monolithic Power Systems. It operates within a supply voltage range of 5 V to 55 V and delivers an output current of 1 A. The device features a quiescent current of 950 uA and supports a power dissipation of 3.47 W. It is housed in a QFN-40 surface-mount package and functions across a temperature range of -40 C to +125 C.
Feature Summary
- Drives six N-channel power MOSFETs arranged in three half-bridges for three-phase BLDC applications
- Integrates a 500 mA buck regulator to generate local power for microcontrollers or auxiliary circuits
- Supports 100% duty cycle operation through trickle charge circuitry maintaining bootstrap gate drive
- Includes programmable overcurrent protection, adjustable dead-time, thermal shutdown, and UVLO
Applications
- Three-phase brushless DC motor control systems
- Battery-powered devices requiring low-power sleep modes
- Industrial motion control applications
- Automotive ignition and motor driver circuits
Procurement Notes
Verify the specific suffix GU-P against official MPS documentation to confirm pinout and packaging details. Ensure compatibility with external MOSFET ratings regarding voltage and current limits. Confirm moisture sensitivity level handling requirements during assembly. Validate that the QFN-40 thermal pad connection meets your PCB design specifications for adequate heat dissipation under maximum load conditions.
Selection Notes
Select this component when designing three-phase BLDC drives requiring wide input voltage support up to 55 V. Consider its integrated buck regulator if local power generation for logic circuits is needed without additional components. Evaluate the 1 A output capability against your external MOSFET gate charge requirements. Ensure the QFN-40 package fits your board space constraints while meeting thermal management needs.
Part Context
The MP6535GU-P belongs to the MP6535 series of motor controllers and drivers manufactured by Monolithic Power Systems. It is categorized under PMIC and specifically designed for brushless DC motor applications. This part serves as a pre-driver stage, managing gate signals for external power switches rather than driving loads directly.
Replacement Considerations
MP6539GV-P
FAQ
How does the MP6535GU-P maintain 100% duty cycle operation?
It utilizes a trickle charge circuit to continuously maintain the bootstrap gate drive voltage, ensuring high-side MOSFETs remain fully enhanced even at continuous on-states.
What is the function of the integrated buck regulator in this device?
The internal 500 mA buck regulator generates a stable local power supply, eliminating the need for an external LDO or regulator for powering the microcontroller or other control logic.
