The MX1616H (often referred to simply as MX1616) is a dual-channel H-bridge brushed DC motor driver designed for low-voltage, high-current applications such as toy motors and small robotics. It is frequently marketed as a more efficient, compact alternative to the classic L298N driver, utilizing MOS technology to reduce heat and voltage drop. Technical Specifications Overview
The following parameters are sourced from the MX1616H technical documentation and manufacturer summaries. Operating Voltage ( VDDcap V sub cap D cap D end-sub ): 2V to 8.6V (some module variants support up to 10V). Continuous Output Current ( IOUTcap I sub cap O cap U cap T end-sub
): Up to 1.3A per channel (typical) or 1.5A depending on the specific module version. Peak Output Current ( IPEAKcap I sub cap P cap E cap A cap K end-sub ): 3A (for short durations). Logic Input Voltage ( VINcap V sub cap I cap N end-sub
): 1.8V to 7V, making it compatible with 3.3V and 5V microcontrollers like Arduino, ESP32, and Raspberry Pi. Standby Current: Ultra-low, typically less than 0.1µA. Internal Resistance: Approximately
, which significantly reduces power loss compared to transistor-based drivers.
Thermal Protection: Includes built-in thermal shutdown with hysteresis to prevent damage from overheating. Pin Configuration and Logic
The driver typically comes in a SOP-16 package or as a pre-soldered module. It features four control inputs and four motor outputs to manage two independent DC motors or one 4-wire stepper motor. Motor Output State Standby / Coast (High Impedance) Brake (Short circuit) Key Application Benefits
High Efficiency: Unlike the L298N, which can have a voltage drop of up to 2V, the MX1616’s MOS-based design has minimal drop, allowing almost the full battery voltage to reach the motor. Mx1616 Motor Driver Datasheet
Compact Form Factor: Often sold as a mini dual H-bridge module, it is roughly the size of a postage stamp, ideal for space-constrained hobbyist projects.
PWM Speed Control: Supports Pulse Width Modulation (PWM) on the input pins to control motor speed smoothly. Usage Notes
Power Supply: Ensure the motor power supply matches the 2V–8.6V range. Using higher voltages (like a 12V lead-acid battery) will damage the chip.
Heat Dissipation: While more efficient than older drivers, it may still require airflow or a small heatsink if running continuously at its 1.5A limit.
Common Use Cases: Frequently found in miniature RC cars, smart balance robots, and DIY educational kits.
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: The MX1616H (often referred to simply as MX1616)
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
The MX1616 is a compact, dual-channel H-bridge motor driver IC designed for low-voltage, battery-powered applications. It offers an efficient alternative to traditional drivers, with a 2V-10V operating range and 1.3A-1.6A continuous current capabilities, featuring built-in thermal protection in a small SOP-16 package. For the full technical specifications and product details, visit LCSC Electronics UNIVERSAL-SOLDER Electronics H-Bridge DC Motor Driver Module MX1616
| MS1 | MS2 | MS3 | Microstep Resolution | | :--- | :--- | :--- | :--- | | L | L | L | Full Step | | H | L | L | 1/2 Step | | L | H | L | 1/4 Step | | H | H | L | 1/8 Step | | H | H | H | 1/16 Step |
Note: "L" = Logic Low (0V), "H" = Logic High (3.3 or 5V).
In the world of precision motion control, the choice of motor driver can make or break a project. Whether you are building a Computer Numerical Control (CNC) router, a 3D printer, a robotic arm, or an automated conveyor system, you need a reliable interface between your microcontroller (like an Arduino or Raspberry Pi) and your motors.
The Mx1616 Motor Driver has emerged as a popular choice in the mid-range stepper motor driver market. Known for its balance between power efficiency, microstepping accuracy, and thermal management, the Mx1616 is often compared to legacy drivers like the A4988 and the more modern TMC2209. Microstep Selection Truth Table (MS1, MS2, MS3) |
This article serves as an exhaustive datasheet breakdown of the Mx1616. We will cover its pin configuration, electrical characteristics, wiring diagrams, programming logic, thermal specs, application use-cases, and troubleshooting tips.
Note: The "Mx1616" designation can sometimes refer to a family of drivers or a third-party variant of common chipsets. This guide assumes a generic high-performance bipolar stepper motor driver with 16-microstep capability and 1.6A current output per phase. Always verify with your specific manufacturer’s datasheet.
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.
The MX1616 is a low-cost, dual-channel H-bridge motor driver IC designed for driving two DC motors or one bipolar stepper motor. It is commonly found in toy motors, small robots, and smart home actuators. Its key feature is the low saturation voltage drop, making it more efficient than older drivers like the L9110S.
Best for: 1.8V–7V battery-operated devices.
A product of Breakfree Audio