JYQD-VH8500 High Voltage Sensorless BLDC Motor Controller with 110/220VAC Input 4A Current and PWM Speed Control

JYQD-VH8500 High Voltage Sensorless BLDC Motor Controller

High-voltage sensorless BLDC motor controller for 110/220VAC motors, rated up to 4A. Supports PWM and 0–5V analog speed control, reverse and multiple protections.

The JYQD-VH8500 is a high-voltage sensorless BLDC motor controller designed for brushless DC motor applications requiring 110V/220V AC input and up to 4A operating current. It provides a practical solution for controlling brushless DC motors without Hall sensors while supporting both PWM and analog voltage speed regulation.

With a wide AC operating range of 110V/220V at 50–60Hz, the JYQD-VH8500 is suitable for high-voltage BLDC motor control applications where a compact and functional motor driver solution is required.

The controller supports PWM speed control from 10–20kHz with a 0–100% duty cycle, as well as 0–5V analog voltage speed control. Additional control functions include motor enable, reversing, speed signal output and speed adjustment, providing flexible interfaces for integration into different motor control systems.

The JYQD-VH8500 also incorporates multiple protection and operating functions, including overload protection, abnormal-current protection, locked-rotor protection, over-temperature protection, over-voltage/low-voltage protection and soft-switching control.

Key Features

• High-voltage sensorless BLDC motor controller
• Designed for brushless DC motor applications
• 110V/220V AC input, 50–60Hz
• Maximum operating current: 4A
• Continuous working current: 4A
• PWM speed control: 10–20kHz
• PWM duty cycle: 0–100%
• 0–5V analog voltage speed regulation
• Motor enable function
• Motor reversing function
• Speed signal output
• Speed adjustment function
• Overload protection
• Abnormal-current protection
• Locked-rotor protection
• Over-temperature protection
• Over-voltage / low-voltage protection
• Soft-switching function
• Operating temperature: -40°C to +85°C
• Operating humidity: ≤90% RH
• Compact controller dimensions: 152 * 97 * 74.5 mm

Quick Specification

Motor Control Functions

The JYQD-VH8500 integrates several commonly required motor control functions into one controller platform.

Speed Control:
Motor speed can be adjusted through either PWM input or 0–5V analog voltage regulation, providing flexibility when integrating the BLDC motor controller with an external control system.

Enable Control:
The enable function allows the controller to be integrated into systems where motor operation needs to be controlled by an external signal.

Reversing Function:
The controller provides a reversing function for applications requiring bidirectional motor operation.

Speed Signal Output:
A speed signal output is available for system-level monitoring and motor speed feedback.

Protection Functions

For high-voltage BLDC motor applications, reliable protection is an important part of the motor control system. The JYQD-VH8500 provides multiple protection functions, including:

• Overload protection
• Abnormal-current protection
• Locked-rotor protection
• Over-temperature protection
• Over-voltage / low-voltage protection
• Soft-switching function

These functions help the controller operate within its specified electrical and environmental conditions and provide additional protection during abnormal operating conditions.

Compact High-Voltage BLDC Motor Control Solution

With its 110V/220V AC input, 4A continuous working current, sensorless BLDC motor control and flexible speed-control interfaces, the JYQD-VH8500 can be considered for industrial and commercial systems requiring high-voltage brushless DC motor control.

Its PWM and 0–5V analog speed-control options also make it suitable for integration with different control architectures where an external speed command is required.

Typical Application Considerations

The JYQD-VH8500 can be considered for applications requiring:

• High-voltage BLDC motor control
• Sensorless brushless DC motor operation
• AC-powered BLDC motor systems
• PWM-controlled BLDC motor applications
• 0–5V analog speed-controlled motor systems
• Motor systems requiring enable and reversing functions
• Motor systems requiring speed signal output
• Compact high-voltage motor controller integration

For a new motor application, motor electrical specifications and operating requirements should be evaluated together with the controller specifications before final selection.

Why Choose JUYI Tech

JUYI Tech focuses on the development and manufacturing of BLDC motor driver and motor controller solutions, supporting standard products as well as customized motor control requirements.

For applications with specific motor parameters, voltage, current, speed-control requirements or system interfaces, our engineering team can evaluate the motor and application requirements and recommend a suitable BLDC motor control solution.

Contact JUYI Tech for product specifications, application evaluation and BLDC motor controller support.