The Mx1616 Motor Driver occupies a sweet spot in the stepper motor ecosystem. It is more robust than entry-level drivers like the L298N or A4988, yet remains cost-effective and easier to implement than high-end silent drivers. Its 1.6A current capability, 1/16 microstepping, and wide voltage range (8-36V) make it ideal for:
When you review the Mx1616 datasheet, pay close attention to the decay mode settings, thermal pad soldering requirements, and logic voltage thresholds. With correct wiring and heat management, the Mx1616 will deliver reliable, precise motion for years.
Next steps for the engineer:
Have you used the Mx1616 in a project? Share your experience in the engineering forums. For further reading, explore "Closed-loop stepper control" or "SPI configuration of the Mx1616 variant."
Keywords integrated: Mx1616 Motor Driver Datasheet, stepper motor driver, microstepping, thermal management, pin configuration, Arduino wiring, current limiting, CNC application.
The Go to product viewer dialog for this item. (often labeled simply as MX1616) is a dual-channel brushed DC motor driver IC designed for low-voltage, high-efficiency applications such as battery-powered toys and small robotics. It utilizes an H-bridge structure with low-resistance MOSFETs to minimize heat dissipation and voltage drop. Core Technical Specifications Operating Voltage (VM) 2.0V – 10.0V DC (Standard modules typically 2V-10V) Logic Input Voltage 1.8V – 7.0V DC (Compatible with 3.3V and 5V MCUs) Continuous Output Current 1.3A – 1.5A per channel (depending on thermal conditions) Peak Output Current Up to 2.5A – 3.0A (short duration pulses) Internal Resistance ~0.4 ohms (low on-resistance MOSFETs) Standby Current Temperature Range -40°C to +80°C Pinout and Interface
Most MX1616 modules follow a standard 8-pin or SOP16 interface for control and power: Power Inputs: + (VM/VCC): External motor power supply (2V–10V). - (GND): Common ground for both power and logic signals. Control Inputs: IN1 / IN2: Controls Motor A direction and speed (PWM). IN3 / IN4: Controls Motor B direction and speed (PWM). Motor Outputs:
MOTOR A (OUT1/OUT2): To the terminals of the first DC motor.
MOTOR B (OUT3/OUT4): To the terminals of the second DC motor or 4-wire stepper. Truth Table (Control Logic) MX1616 based 2-channel H-bridge DC motor driver module Mx1616 Motor Driver Datasheet
The MX1616 is a high-performance, 3-phase gate driver optimized for BLDC and PMSM motors, featuring enhanced thermal management, superior efficiency, and fast switching capabilities for high-torque applications. It is commonly used in HVAC fan driver boards and as a reliable replacement for older components like the E2132 or IC 2224. Read the full details on AliExpress at Aliexpress.
The MX1616 is a compact, dual-channel H-bridge motor driver capable of handling continuous currents of 1.5A per channel (up to 2.5A peak) with an operating voltage ranging from 2V to 10V. Featuring low on-resistance MOSFETs and built-in thermal protection, this SOP-16 chip offers an efficient, reliable solution for controlling brushed DC motors in low-power robotics applications. For more detailed specifications, review the MX1616H documentation. MX1616 1.5A Dual Motor Driver Module - Art of Circuits
is a high-performance, dual-channel H-bridge motor driver often utilized as a more efficient, compact alternative to legacy drivers like the L293D or L298N. Designed specifically for low-voltage applications ranging from
, it excels in robotics and small toy motor control by offering significantly lower on-resistance and standby current. Key Technical Specifications According to documentation from Art of Circuits Mikrocontroller.net , here are the critical parameters for your design: Voltage Range: Operates between
, making it ideal for Lithium-ion (3.7V) or 4xAA battery packs. Current Handling: Continuous: Approximately per channel. Can handle bursts up to (depending on the specific variant like MX1616H). Low On-Resistance: The internal MOSFETs have a resistance of roughly
, which minimizes heat generation compared to older bipolar-junction transistor (BJT) drivers. Standby Power: Extremely efficient standby mode drawing less than Thermal Protection:
Built-in Thermal Shutdown (TSD) circuit with hysteresis to prevent chip failure under excessive load. Pin Configuration & Control Logic
module typically follows a straightforward interface for microcontrollers like Arduino or ESP32: Power Pins: (or VCC/GND): Power supply for the motors ( Signal Inputs: IN1 & IN2: Control Motor A direction and speed (via PWM). IN3 & IN4: Control Motor B direction and speed. Motor Outputs: Motor A / Motor B: Connect directly to the DC motor terminals. Control Truth Table Motor Action Coast / Standby Design Considerations & Pro-Tips Avoid the "Over-Limit" Trap: While the datasheet mentions Makers Electronics The Mx1616 Motor Driver occupies a sweet spot
warns that pushing the module to its limits for extended periods can cause overheating and potential failure. PWM Frequency: For smooth speed control, a PWM frequency around
is standard, though the chip is versatile enough for common MCU default frequencies. Alternative Options: If you find the out of stock, the
is often cited as a compatible alternative with similar electrical characteristics. Arduino code snippet
to test the directional control and PWM speed of this driver? H-Bridge DC Motor Driver Module MX1616
The MX1616 is a compact, dual H-bridge motor driver IC often used as a low-voltage, higher-efficiency alternative to the
. It is designed to drive two DC motors or one 4-wire, two-phase stepper motor using internal MOSFET switches to minimize heat generation. STMicroelectronics Technical Specifications
The MX1616 is commonly found in battery-powered toy applications and small robotics due to its wide voltage range and low standby current. Operating Supply Voltage ( cap V sub cap C cap C end-sub 2V to 10V. Signal Input Voltage ( cap V sub cap I cap N end-sub 1.8V to 7V (compatible with 3.3V and 5V logic). Continuous Output Current: 1.5A per channel (typical). Peak Output Current: 2.5A to 3A. Standby Current: Extremely low, less than Dimensions: Approximately Art of Circuits Pinout & Control Logic
The MX1616 typically features a 4-channel signal input for independent motor control. Input Pins Output Behavior (Motor A) IN1 High, IN2 Low Motor A rotates forward. IN1 Low, IN2 High Motor A rotates reverse. IN1 High, IN2 High Brake (Fast Stop). IN1 Low, IN2 Low Coast (Free Running) / Off. Note: Motor B is controlled identically using Key Features MX1616 1.5A Dual Motor Driver Module - Art of Circuits When you review the Mx1616 datasheet , pay
The Mx1616 is a dual H-bridge motor driver. An H-bridge is an electronic circuit that allows a voltage to be applied across a load in either direction. This functionality is what allows a motor to spin forward and backward.
Unlike older motor drivers like the L298N, which are bulky and inefficient due to high internal resistance, the Mx1616 utilizes modern MOSFET technology (often based on the MX1616 chip or similar architecture) to offer high efficiency and low heat dissipation in a tiny form factor.
Without a heatsink (SOP-8 on 1oz copper PCB):
| Ambient Temp | Max Continuous Current (per channel) | |--------------|--------------------------------------| | 25°C | 1.0A | | 50°C | 0.7A | | 85°C | 0.4A |
If exceeding 1.0A continuously for >30 seconds, thermal shutdown may occur.
The MX1616 is a monolithic dual-channel H-bridge driver IC designed for DC motor control and inductive load driving. It is ideal for battery-operated toys, smart home actuators, micro-robotics, and low-voltage motion control systems.
The device features two independent H-bridges, allowing it to drive two DC motors (bidirectional) or one stepper motor (unipolar/bipolar). It operates with very low saturation voltage (V_DS(on)) and minimal standby current consumption.