JY03B Highly Integrated 3 Phase BLDC Motor Controller IC | Sensorless Brushless DC Driver Solution 9V–36V
The JY03B is a highly integrated 3 phase BLDC motor controller IC designed for reliable and efficient sensorless brushless DC motor applications.
By integrating the motor control core, MOSFET gate driver, and internal LDO regulators into a single chip, JY03B helps simplify hardware design, reduce PCB size, and lower overall development cost.
Designed for engineers seeking a compact and stable motor control solution, the JY03B supports a wide range of low- to medium-voltage BLDC applications.
JY03B supports a wide range of low- to medium-voltage BLDC applications.
- 3 Phase BLDC Motor Controller Architecture
- Sensorless Drive Technology
- 9V–36V Wide Operating Voltage
- Built-in MOSFET Gate Driver
- Integrated 12V & 5V LDO Regulators
- Minimal External Components Required
- 16kHz Low-Noise PWM Control
- Forward / Reverse Rotation Control
- Adjustable Startup Torque
- Analog Speed Regulation (0–5V)
The JY03B includes multiple hardware protection mechanisms for improved system reliability:
- Over-current protection
- Current limiting control
- Over-voltage protection
- Under-voltage protection
- Locked-rotor protection
- Thermal protection
- Automatic restart function
The JY03B sensorless controller is suitable for:
- BLDC cooling fans
- DC water pumps
- Air circulation systems
- Smart home appliances
- Automotive auxiliary motors
- Industrial automation equipment
- AGV / AMR drive systems
- Portable outdoor tools
| Parameter | Specification |
|---|---|
| Operating Voltage | 9V–36V DC |
| PWM Frequency | 16kHz |
| Motor Type | 3 Phase Sensorless BLDC |
| Speed Control Input | 0–5V Analog |
| Startup Torque Adjustment | 0–2.5V |
| Package Type | SSOP-28 |
| Drive Method | External MOSFET Required |
Compared with conventional BLDC control solutions, the JY03B provides:
- Simplified hardware development
- Reduced BOM cost
- Compact PCB design
- Stable low-speed operation
- High load startup capability
- Fast implementation without complex programming
Its hardware-based control architecture makes it ideal for cost-sensitive and rapid-development motor control projects.
Application circuit references and technical assistance are available for customer projects.
JUYI Tech
www.bldcmotor-driver.com
Sales@juyitech.com
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