JYQD-V8.3B-12V Sensorless BLDC Motor Driver Controller 12V 7A with PWM Speed Control

Professional 12VDC sensorless BLDC motor driver controller based on JY02A IC technology. Features 7A maximum current, 8A continuous working current, PWM speed control (1-20KHz), and analog voltage regulation. Ideal for brushless fans, water pumps, electric tools, and air blower applications with comprehensive protection features.

Working current 7A
Place of Origin China
Packaging Details PE bag+ carton
Operating temp. -20—85℃
Model Number JYQD-V8.3B-12V
Supply Ability 1000sets/day
Product Description
Product Overview
The JYQD-V8.3B-12V is a professional-grade sensorless BLDC motor driver controller operating at 12VDC, engineered with JY02A IC technology for reliable motor control applications.
Technical Specifications
Parameter Specification
Model Number JYQD-V8.3B-12V
Operating Voltage 12VDC
Maximum Current 7A
Continuous Working Current 8A
Operating Temperature -20°C to 85°C
PWM Speed Control Frequency: 1-20KHz; Duty Cycle: 0-100%
Analog Voltage Regulation 0-5V
Internal Output Voltage 5V
Control & Power Ports
Control Port (2.54mm spacing)
Z/F: Rotation direction control - 5V high level or no connection for forward, 0V low level or GND for reverse
VR: Speed control port - Analog voltage linear regulation 0.1V-5V (20KΩ input resistance)
GND: Drive board internal control ground
Power Port (3.96mm spacing)
MA, MB, MC: Motor phase connections
GND: DC negative
VCC: DC positive
Protection & Output Features
Over-voltage and low-voltage protection
Speed pulse signal output (5V pulse, max 5mA)
Installation Guidelines
Use shielded wiring for distances exceeding 50cm from motor to prevent signal interference and abnormal operation.
Wiring Diagram
JYQD-V8.3B BLDC motor driver wiring diagram showing control and power connections
Dimensional Drawing
JYQD-V8.3B BLDC motor driver dimensional drawing with measurements
Application Notes
Confirm motor voltage and power parameters do not exceed driver board specifications.
Designed for 3-phase brushless sensorless motors - may require component adjustments for optimal performance.
For motors over 60W, external heatsink installation is mandatory.
Important Safety Notice: This driver board has no reverse connection protection. Reverse polarity connection will cause permanent damage.
Documentation
Applications
Brushless fan controllers
Brushless water pump controllers
Electric tools controllers
Air blower controller drivers
Sensorless motor drivers
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