High-power DC motor drive module serial ESC 6-25V 78A smart car Features: (1) HMD-07 high-power motor drive module specifically designed for small power DC motor; (2) driver chip and control signals between the installation of the isolation circuit, the effective protection of the microcontroller; (3) driver chip using MOS tube drive motor, the fever is very low; (4) driver chip output with low internal resistance, drive current, acceleration and braking effect; (5) The motor drive module uses an H-bridge circuit to drive motor, control motor is reversed; (6) control circuit is simple, just three control lines; (7) motor drive supply range (6-25V); (8) motor drive module is small, with overcurrent protection; (9) is reversing signal control module through the serial port or RC; The specific parameters as follows: Operating voltage: 6 V-25V Operating frequency: 32KHZ Drive Current: Peak 78 A (amperes) Drive type: MOSFET On-state resistance: 5.7mΩ (milliohms) Module size: 41mm * 33mm PWM duty cycle: 0 to 100% Note: 1. Parameter is measured at 25 degrees Celsius 3.2, RC signal control motor module: RC signal change of the pulse width of 500us ~ 2500us Motor Forward: RC signal pulse width is greater than 1.52ms; The motor runs in reverse: the RC signal pulse width is less than 1.48ms The motor stops: the the RC signal pulse width between 1.48ms ~ 1.52ms; Note: When the input pulse width greater than 2.0ms or less than 1.0ms, default motor for maximum speed. 4.1, motor output interfaces with the motor drive power connector: OUT1: connected to the cathode of a DC motor; VCC: providing access to the motor drive power of positive; GND: the negative terminal of the power supply connected to the motor drive; OUT2: connected to the negative of the DC motor; 4.2, the motor drive control line interface; PPM: module RC signal reception line +5 V: logical positive power supply; GND: negative logic supply; RXD: module serial receive line (RXD);
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