MC33035 Brushless Motor Driver SOP-24

The MC33035 is a versatile brushless DC motor controller IC designed for high-performance applications in robotics, electric vehicles, and industrial motor drives. Housed in a SOP-24 package, this IC simplifies motor control with integrated circuitry for speed regulation, direction control, braking, and fault protection. It supports 3-phase BLDC motors and ensures reliable and smooth motor operation across various loads.

Key Features of MC33035 Brushless Motor Driver:

• Integrated BLDC Motor Control: Supports 3-phase brushless DC motors with Hall sensor feedback.
• Speed and Direction Control: Allows precise motor speed regulation and reversible direction control.
• Braking and Inhibit Control: Built-in control for dynamic braking and motor disable.
• Overcurrent Protection: Safeguards motor and controller against excessive current conditions.
• Undervoltage Lockout: Ensures the system doesn’t operate under unsafe low voltage conditions.

Technical Specifications of MC33035:

• Operating Voltage Range: 10V to 30V
• Output Drive Current: Up to 100mA (pre-driver for external power transistors)
• Commutation Type: 3-phase with Hall sensor feedback
• Speed Control: Voltage or PWM based
• Protection: Overcurrent, undervoltage lockout
• Package: SOP-24 (Surface-Mount)

Mechanical Specifications of MC33035:

• Package Type: SOP-24
• Mounting: Surface-mount compatible with reflow soldering
• Thermal Design: Requires external heatsinking via PCB layout

Dimensions:

• Body Width: 7.5mm
• Body Length: 15.6mm
• Pin Pitch: 1.27mm

Mounting Options:

• SMT Mounting: Designed for surface-mount PCBs using SOP-24 footprint.
• Thermal Vias: Recommended under the IC for improved heat dissipation.

Schematic Diagram, Connection, Wiring and Pinout of MC33035:

• Connection: Requires 3 Hall sensor inputs and 6 output drive signals for MOSFETs or BJTs.
• Wiring: Connect PWM/Voltage input for speed, digital inputs for FWD/REV/BRK control.
• Pinout: 24 pins including Hall sensor inputs, power supply, PWM input, direction, brake, and output driver signals.

Datasheet of MC33035 Brushless Motor Controller:

• Download MC33035 Datasheet (PDF)

Applications of MC33035 Brushless Motor Driver:

• Electric Bikes & Scooters: Efficient control of brushless hub motors.
• Industrial Automation: Used in CNC machines, conveyors, and robotic arms.
• HVAC Systems: Drives fan and blower motors with speed regulation.
• Drones & UAVs: Controls 3-phase brushless motors in compact electronics.
• 3D Printers: Motion control for high-speed axis drives.

Equivalent Models of MC33035 Brushless Motor Driver:

• MC33033: Simplified version for 3-phase BLDC with reduced feature set.
• MC33034: Companion op-amp IC for current sensing in motor control loops.
• TMC8462: Smart controller for high-precision industrial motion control.
• DRV8301: TI’s integrated 3-phase pre-driver with SPI interface and current sensing.

Package Includes:

• 1 x MC33035 Brushless Motor Driver SOP-24