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5V-55V 3-Phase BLDC Motor Pre-Driver with Hall Input and Buck Regulator
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The MP6535 is a gate driver IC designed for 3-phase brushless DC motor driver applications. It is capable of driving 3 half bridges consisting of 6 N-channel Power MOSFETs up to 55V.
It includes a 500mA buck regulator to generate local power for a microcontroller or other circuitry,
The MP6535 uses bootstrap capacitor to generate a supply voltage of high-side MOSFET driver, and an internal trickle charge circuit maintains sufficient gate driver voltage at 100% duty cycle.
Internal safety features include programmable over-current protection, adjustable dead time protection, UVLO and thermal shutdown.
The device has three Hall-sensor inputs. Commutation logic is determined by three Hall-element inputs spaced at 120°. The PWM, DIR, and nBRAKE inputs are used to control motor speed, position, and torque.
The MP6535 is available in a 40-contact 5mmx5mm QFN with an exposed thermal pad.
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Features & Benefits
- Wide 5V to 55V Input Voltage Range
- Hall Sensor Inputs
- Bootstrap Gate Driver with Trickle Charge Circuit Supports 100% Duty Cycle Operation
- 500mA buck regulator
- Low Power Sleep Mode for Battery-powered Applications
- Programmable Over-current Protection of External MOSFETs
- Adjustable Dead Time Protection to Prevent Shoot Through
- Thermal Shutdown and UVLO Protection
- Fault Indication Output
- Thermally Enhanced Surface-Mount Package
EV6535-U-00A Evaluation Kit 5V to 55V, Three-Phase Brushless DC Motor Pre-Driver with Buck Regulator Evaluation Board
The EV6535-U-00A is an evaluation board for the MP6535, a three-phase BLDC motor pre-driver.
It operates from a supply voltage of up to 55V. It is configured to drive three half-bridges consisting of six N-channel power MOSFETs. The rotor position information is provided by the Hall sensors assembled in the motor, and the driving control signals are generated by the external controller, such as MCU, FPGA, etc.