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Supply voltage 6.5V-27V, the power supply cannot be reversed or exceed 27V, otherwise the module may burn out. It is recommended to connect a fuse in series at the power input end.
Dual-channel motor interface, each rated output current 7A, peak current 50A, the motor interface cannot be short-circuited, it is recommended to connect a 10A fuse in series.
Control signal voltage 3-6.5V, respectively enable signal and forward and reverse control signal.
Enable signal end (ENA) input PWM adjustable speed, PWM frequency range 0-10KHZ, PWM small pulse width 10us.
Working temperature -25℃-80℃
Mounting hole diameter: 3mm, pay attention to the short circuit of the back circuit during installation, you can add an insulating pad or copper column to raise the circuit board.
Suitable motor parameters:
Motors with a rated voltage of 24V are suitable for motors with a rated power of 115W or less or rated current of 7A or less to work at full capacity for a long time
Motors with a rated voltage of 12V are suitable for motors with a rated power of 40W or less or rated current of 7A or less to work at full capacity for a long time
A. D.
2025-01-16 13:43:55
This product appears to be exactly what I need, but it apparently has a pull-up resistor on the IN and EN pins that brings it up into the floating range, so when my esp32 boots up, the motors spin for a second or 2 at full speed. In my project, this is a showstopper. I tried multiple ways to try to overcome this, but nothing worked.
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