DC5-50V 300W PWM BLDC Three-Phase Brushless DC Motor Driver Board No Hall Electronic Kit

Quantity : 1 High-concerned chemical : none Package : TQFP is_d : Yes Supply Voltage : As Description Type : Module Brand Name : DIY NOW Operating Temperature : As Description Origin : Mainland China Condition : New Condition : New Type : PWM Motor Controller Key Word : 300W Motor Controller Dropship : Support

DC5-50V 300W PWM BLDC Three-Phase Brushless DC Motor Driver Board No Hall Electronic Kit Operating Voltage: 5-50V (60V Maximum) Drive Current: Rated 16A, 25A with air cooling Power: Rated 200W-250W, Peak 300W (please allow for margin) Overcurrent Protection: Yes Stall Protection: Yes (current automatically drops to interrupt operation upon stall) Overtemperature Protection: Yes (power is halved upon over-temperature) Maximum Speed: 224,000 RPM (2-pole motor), 74,000 RPM (6-pole motor), 40,000 RPM (12-pole motor), 35,000 RPM (14-pole motor) The maximum power output can still reach 380W, but additional heat dissipation is required.

Special Notes on External Signal Inputs: 1.0-5V Input Mode: Switch to 0-5V input mode with a keypress. A 0-5V analog signal is input via the terminal block to control the speed. Maximum speed is 5V. This driver defaults to this mode (the onboard potentiometer must be set to minimum). 2.1-4.2V Input Mode: Switch to 1-4.2V input mode with a keypress. A 1-4.2V analog signal is input via the terminal block to control the speed. Maximum speed is 5V. This mode is primarily used with Hall effect controllers (the onboard potentiometer must be set to minimum). 3. PWM Input Mode: Switch to PWM input mode with a keypress. A PWM signal is input via the terminal block to control the speed. A 3-5V amplitude and a 1K-10K frequency are optimal (the onboard potentiometer must be set to minimum). 4. Forward/Reverse, Brake, and Stop ports: Maintain active low. Connect the external switch ports to ground for control. Alternatively, an external MCU can provide a low-level signal to the front control port. All low-voltage signals are directly input to the MCU. Avoid contact with high voltage or high current.

Instructions for switching input signals using the pushbutton: The pushbutton supports three signal inputs: 1. LED flashes once for 1-4.2V input; 2. LED flashes twice for PWM input; 3. LED flashes three times for 0-5V input (factory default). To operate: Press and hold the button, then power on the motherboard. The LED indicator will flash several times and then go off to enter signal switching mode (the number of flashes indicates the current input mode). Continuously short-pressing the button will toggle between the three signal inputs. The LED will flash several times and then go off to indicate the currently selected input mode. To select a specific mode, hold the button for 2 seconds to save the selected input mode and automatically exit signal input mode. The LED will then turn solid on. Set the final speed.

Product Description: 1. This driver module has a fast acceleration response. When starting at full throttle, the instantaneous starting current is high. Please allow for a margin. Starting at high voltage, high power, or full throttle with a reversing motion is not recommended. Braking can also have a significant impact. It's not recommended to brake while running at full speed at high voltage. Forcing the brakes can damage the power tubes and chipset. It's recommended to lower the throttle to 50% or below before operating. 2. The maximum voltage (60V) and maximum power (300W) listed for this module are extreme specifications under specific conditions. Allow for a margin for actual use. Note: This driver is a three-phase brushless DC controller without Hall effects. It can operate normally even without Hall effects.

Interface Description: 1. U, V, W 3-phase DC outputs for brushless motors 2. 5V GND: Motherboard's built-in 5V (output current up to 40mA) 3. VCC GND: Driver main power supply (external DC power supply) 4. SC: Speed pulse signal output (interface only, no technical support provided) 5. DIR: Forward/reverse control. Active low (can be connected to an external switch) 6. BRAKE: Active brake control. Active low (can be connected to an external switch) 7. SOTP: Stop control. Active low. Can be left floating or in high-impedance mode if not in use (can be connected to an external switch) 8. 0-5V and 1-4.2V PWM speed control signal inputs (built-in potentiometer for speed control, or external 0-5V analog PWM duty cycle control signal input for speed control) Product List: 1x Driver Board label:yes

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