MX1508 Dual-Channel Brushed DC Motor Driver IC SOP-16

MX1508 Dual-Channel Brushed DC Motor Driver IC SOP-16 is a highly integrated, low-cost solution for controlling two brushed DC motors or one 4-wire, 2-phase stepper motor. Utilizing advanced MOSFET technology, this chip delivers continuous current drive capability up to 1.5 A per channel and a peak current of 2.5 A, making it a reliable choice for battery-powered robotic and mechatronic projects. This IC efficiently handles forward, reverse, brake, and coast operations for your motors, all while offering integrated overcurrent and thermal shutdown protection. Its small SOP-16 surface-mount package is perfect for space-constrained designs, allowing you to build compact, powerful, and efficient motor control circuits for various embedded systems.

Key Features:

• Dual H-Bridge Output: Independently controls two DC motors or manages a single stepper motor with full direction and speed control.
• High Current Capability: Delivers a 1.5 A continuous current output per channel, with transient peak currents reaching 2.5 A.
• Wide Operating Voltage Range: Accepts a motor supply voltage (V_MOT) from 2V to 10V, accommodating various battery chemistries.
• Integrated Protection: Features built-in thermal shutdown and overcurrent protection circuits to safeguard the IC and connected motors from damage.
• PWM Control Support: Supports Pulse Width Modulation (PWM) signals for precise and linear speed control of the DC motors.

Technical Specifications:

• Logic Supply Voltage (V_CC): 2 V to 7 V
• Motor Supply Voltage (V_MOT): 2 V to 10 V
• Continuous Output Current (I_OUT): 1.5 A per channel
• Peak Output Current (I_PEAK): ≈ 2.5 A (Short duration)
• Operating Temperature: -20°C to +85°C

Mechanical Specifications:

• Package Type: SOP-16 (Small Outline Package, 16 pins)
• Mounting Style: Surface Mount Device (SMD)
• Bridge Type: Dual H-Bridge

Dimensions:

• Package Body Width: ≈ 3.9 mm
• Package Length: ≈ 9.9 mm
• Pin Pitch: 1.27 mm
• Weight: < 1 g

Pinout and Wiring:

• V_CC: Connect to the logic power supply (e.g., 5V from microcontroller).
• V_MOT: Connect to the motor power supply (2V to 10V battery).
• GND: Common ground connection.
• IN1, IN2: Control signals for Motor A (Direction and PWM for speed).
• IN3, IN4: Control signals for Motor B (Direction and PWM for speed).
• OUT1, OUT2: Output terminals for Motor A connection.
• OUT3, OUT4: Output terminals for Motor B connection.

Datasheet Reference:

• Download MX1508 Motor Driver Datasheet

Commonly Used in:

• Miniature Robotics: Providing the drive circuit for small mobile robots and drones.
• DIY Arduino and ESP Projects: Used to interface microcontrollers with DC loads.
• Mechatronics Prototypes: Controlling small pumps, valves, and actuators in compact systems.

Applications:

• 2-Wheel Drive Robots: Driving the two main wheels for locomotion and steering.
• Toy Car and Model Control: Upgrading electronic control systems in hobby vehicles.
• Stepper Motor Control: Driving small 4-wire stepper motors that require low to medium current.

Equivalent Models:

• L298N Module: A much older, bulkier module with higher current capacity but significant heat loss.
• DRV8833: A popular, lower-voltage driver often used for small, battery-powered robotics.
• TB6612FNG: Another compact, highly efficient driver with similar dual-channel capabilities.

Package Includes:

• 1 x MX1508 Dual-Channel Brushed DC Motor Driver IC SOP-16