MX3212B Motor Driver IC SOP-8

MX3212B Motor Driver IC (SOP-8) delivers efficient and compact motor control for small DC motors. Designers use it in consumer electronics, robotics, and embedded control boards where dual full-bridge motor driving and reliable performance matter.

Key Features:

• Dual H-Bridge Output: Drives two DC motors or one stepper motor.
• Wide Voltage Support: Operates from 2.4 V to 6.5 V supply range.
• High Output Current: Provides up to 1.2 A peak current per channel.
• Low Power Consumption: Efficient CMOS design reduces heat and standby power.
• Built-in Protection: Includes thermal shutdown and overcurrent protection.
• Compact Package: SOP-8 form factor saves PCB space in portable devices.

Technical Specifications:

• Operating Voltage (V_CC): 2.4 V to 6.5 V
• Continuous Output Current: Up to 800 mA per channel
• Peak Output Current: 1.2 A (typical)
• Logic Input Voltage: Compatible with 1.8 V to 5 V logic signals
• Switching Frequency: Supports up to 100 kHz PWM motor control
• Protection Features: Thermal shutdown, overcurrent, and under-voltage lockout
• Operating Temperature: −40 °C to +85 °C

Mechanical Specifications:

• Package Type: SOP-8 surface-mount
• Lead Finish: Tin-plated leads for strong solder joints
• Body Material: Molded epoxy for durability
• Mounting: Compatible with automated reflow soldering

Dimensions:

• Package Width: ~3.9 mm
• Package Length: ~4.9 mm
• Lead Pitch: 1.27 mm
• Lead Length: ~0.5 mm

Pinout and Wiring:

• Pin 1: IN1 – Motor control input A
• Pin 2: IN2 – Motor control input B
• Pin 3: OUT1 – Motor output channel A
• Pin 4: GND – Ground reference
• Pin 5: OUT2 – Motor output channel B
• Pin 6: VCC – Power supply input
• Pin 7: OUT3 – Motor output channel C
• Pin 8: OUT4 – Motor output channel D

Datasheet Reference:

• Refer to the official MX3212B datasheet for electrical characteristics, application circuits, and design guidelines.

Applications:

• Robotics: Drive small DC motors in mobile robots and toys.
• Consumer Electronics: Use in cameras, printers, and handheld devices for motor control.
• Smart Home: Integrate into smart locks, curtains, or appliances.
• Embedded Projects: Ideal for Arduino, Raspberry Pi, and microcontroller-based motor drivers.

Equivalent Models:

• MX1508: Dual H-bridge motor driver with similar function
• L9110S: Compact dual motor driver alternative
• DRV8833: Texas Instruments motor driver with low-voltage support

Package Includes:

• 1 x MX3212B Motor Driver IC (SOP-8)