PSB4010
Single-phase BLDC motor pre-driver with sensorless control, 10A gate drive for high-power fans and pumps
Product Overview
Description
The PSB4010 is a single-phase BLDC motor pre-driver designed for high-power cooling fans, blowers, and pump applications.
With 10A gate drive capability and advanced sensorless control algorithms, this pre-driver supports motors up to 200W.
The device features sinusoidal commutation, speed control via PWM or analog input, and comprehensive protection features.
Product Series
PSB
Primary Application
High-power cooling fans
Key Features
- 10A gate drive for high-power motors
- Sensorless control with BEMF detection
- Sinusoidal commutation for quiet operation
- PWM and analog speed control
- I2C interface for configuration
- Soft-start and brake functions
- Locked rotor detection
- Comprehensive protection
Specifications
| Motor Supply Voltage | 12V - 48V |
|---|---|
| Gate Drive Current | 10A source/sink |
| PWM Frequency | Up to 30 kHz |
| Control Interface | PWM, Analog, I2C |
| Speed Range | 500 - 15,000 RPM |
| Efficiency | Up to 93% |
| Protection | Overcurrent, locked rotor, overtemperature |
| Temperature Range | -40°C to +85°C (Industrial), -40°C to +125°C (Automotive) |
| Package | QFN-24, TSSOP-24 |
Applications
High-power cooling fans
Electronic system design
Industrial blowers
Industrial automation and control
Circulation pumps
Electronic system design
HVAC systems
Electronic system design
Refrigeration
Electronic system design
Automotive cooling
Automotive and EV electronics
FAE Expert Insights
"The PSB4010 is specifically designed for high-power single-phase BLDC applications. The 10A gate drive capability supports large MOSFETs for motors up to 200W. I've used this pre-driver in industrial cooling systems where the sinusoidal commutation provides quiet, efficient operation. The sensorless control eliminates Hall sensors, improving reliability. The I2C interface allows fine-tuning of commutation parameters for optimal efficiency. For best performance, I recommend using low-RDS(on) MOSFETs and implementing proper current sensing for protection. The soft-start function reduces inrush current during startup."
10A gate drive with sinusoidal commutation for high-power BLDC
— Kevin Liu, BeiLuo