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BTS7960B module high-power motor driver H-bridge 43A PWM up to 25kHz
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Description
BTS7960B H-bridge motor driver 43A for Arduino, Raspberry Pi, ESP32, ESP8266
A high-performance DC motor control module based on a dual BTS7960 setup. It enables smooth control of motors with a maximum current draw of up to 43A. The board features a large heatsink and convenient screw terminals. The heatsink significantly improves operating stability and extends component life. Safe isolation of the control circuitry is provided by a built-in 74HC244 buffer.
The module is fully compatible with popular microcontrollers such as Arduino, Raspberry Pi, ESP32, and ESP8266. It allows precise speed regulation via a PWM signal across the full range from 0% to 100%, as well as reversing rotation direction. The H-bridge design includes built-in protection against short circuits, overload, and overheating.
Key technical specifications
- Control IC: H-bridge based on two BTS7960 devices
- Motor supply voltage: from 5V to 27V
- Control signal voltage: from 3.3V to 5V
- Maximum current load: up to 43A
- PWM duty cycle range: 0-100%
- Maximum PWM frequency: up to 25 kHz
- Galvanic isolation: Built-in buffer separating the power stage from the control logic
- Physical dimensions: 50 x 50 x 40 mm
Control connector pinout
- GND - Power supply ground
- VCC - Supply for the input buffer of the logic circuit (3.3V - 5V)
- L_IS, R_IS - Alarm outputs for the left and right channel
- L_EN, R_EN - Enable signals for left and right direction operation
- LPWM - PWM input for the left direction
- RPWM - PWM input for the right direction
Example applications
- Drive control in advanced mobile robotics projects
- Building remotely operated vehicles with high power requirements
- Home automation systems requiring DC motor control
- Educational projects and prototypes using microcontrollers
- Construction of precision electric actuators and positioning mechanisms
Benefits
- High current capability for demanding motors
- Circuit safety thanks to built-in thermal and current protections
- Stable operation ensured by a large integrated heatsink dissipating heat
- Easy integration with systems using 3.3V and 5V logic
- Simple wiring thanks to convenient screw terminals
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