Overview
Description
Renesas' 12V Small Motor Solution offers a practical BLDC motor control system designed for pumps and fans. This solution utilizes three control methods, including Field Oriented Control (FOC) 3-/1-shunt and trapezoidal control. It makes use of the onboard RL78/F24 low-power automotive microcontroller's peripherals to enable a compact design that can be easily mounted into the motor housing.
System Benefits:
- Easy to Start
- Complete reference design (circuit diagram, PCB design) including characteristic data
- Provides three types of sample control software (FOC 3-/1-shunt, trapezoidal)
- Design Flexibility
- Sample hardware and software to support motor control development
- Reference design capable of driving motors up to 100W.
- Cost Efficiency
- Small board size, designed to incorporate into the motor housing (60mm x 56mm)
- Sensorless FOC control (1-shunt) uses a new timer function (asymmetric PWM output), and a built-in comparator circuit for overcurrent detection.
Comparison
Applications
Applications
- Windows, boot door, and seat position in passenger and commercial vehicles
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