JYQD-V8.20B Sensorless BLDC Motor Driver Board Efficient 5V-28V Controller for Brushless Motors with JY02A IC
Brand Name:JUYI
Certification:ISO
Model Number:JYQD-V8.20B
Minimum Order Quantity:1
Delivery Time:3-5 working days
Payment Terms:Paypal,L/C,T/T
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Shanghai Shanghai China
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Product Details
JYQD-V8.20B Sensorless BLDC Motor Driver Board
Efficient 5V-28V Controller for Brushless Motors with JY02A IC
| Model Number | JYQD_V8.20B |
|---|---|
| Operating temp.(℃) | -20—85 (℃) |
| Operating voltage(V) | 5-28V |
| Max. current | 5A |
| Cont.working current | ＜5A |
| PWM speed control | PWM frequency:1-20KHZ; Duty cycle 0-100% |
| Analog voltage speed regulation(v) | 0-5V |
| Speed pulse signal output | YES |
| OV/UV protection | YES |
Application Notes:
Confirm that the motor voltage and power parameters do not exceed the driver’s specified range.
The driver is designed for sensorless three-phase brushless DC motors, but not all motors are compatible. If poor driving performance occurs (e.g. startup jitter, reverse rotation, excessive high-speed current, unstable speed, reduced efficiency, or failure to start under load), users may fine-tune the board’s resistors or capacitors to achieve optimal results.
The JYQD_V8.20B board is a bare PCB. For motors below 36 W, no forced cooling is required, but proper ventilation must be ensured.
The 5 V output terminal on the board must not be used to power external devices. It is intended only for external potentiometers or switches used for speed and direction control.
The M terminal outputs the motor speed pulse signal, with an output current less than 5 mA.
Wiring Diagram:
Port Description:
Control Ports (Left Side)
- 5V Internal 5 V output from the driver board; used only for potentiometer and switch control for speed and direction.
- Z/F Forward/Reverse control input. Connect to 5 V high level or leave unconnected for one direction; connect to 0 V (low level) or GND for the opposite direction.
- VR Speed control input. Supports analog voltage 0.1 V–5 V (linear speed control from low to high). For PWM speed control, ensure common ground with the driver board.
- FG Motor speed pulse signal output (5 V pulse signal).
- GND Ground for the internal control circuit.
Power Ports (Right Side)
Port Description
- P+ DC power positive (+)
- P– DC power negative (–)
- MC, MB, MA Three motor phase outputs
Additional Notes
Motor wires should not be too long, as the driver relies on back-EMF detection. Excessive wire length may cause signal interference.
The control port uses a 2.54 mm pitch, and the power port also uses a 2.54 mm pitch.
When adding a heat sink or mounting the board, ensure proper insulation to avoid short circuits.
Dimensional drawing:
Unit: mm
JYQD-V8.20B Sensorless BLDC Motor Driver Board Efficient 5V-28V Controller for Brushless Motors with JY02A IC
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