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Compact & High-Efficiency Sensorless Motor Control Solution
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.
Key Features
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)
Integrated Protection Functions
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
Typical Applications
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
Technical Specifications
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
Why Choose JY03B
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.
Technical Support
Application circuit references and technical assistance are available for customer projects.
Shanghai Juyi Electronic Technology Development Co., Ltd established in 2010, Its a high-tech enterprise specializing in research, development, production and sales of brushless motor controller products. Its headquarters and research and development base are established in international economy, fi... Shanghai Juyi Electronic Technology Development Co., Ltd established in 2010, Its a high-tech enterprise specializing in research, development, production and sales of brushless motor controller products. Its headquarters and research and development base are established in international economy, fi...