Motor control

We offer end-to-end support, from specification considerations to mass production launch, for driver circuits, analog control circuits,
and sensor signal processing circuits that comprise motor control ICs.
We select the most suitable circuit configuration for various specifications and requirements and provide the best service.
INDEX

Brushless DC motor control for cameras

Feature

Usage Camera, Brushless DC motor
Function
  • Motor drive method (PWM, Analog)
  • Driver output waveform control (voltage slope, dead time, shoot-through current)
  • Control method (Analog input, Digital input)
  • Hall sensor signal processing circuit, sensor bias circuit, selector switch
Point
  • Examination and selection of the optimum power supply circuit configuration based on the specifications
  • It is possible to understand the overall operation of the chip, such as by proposing noise characteristics and protection functions, and proceed accordingly.

Block Diagram

Gate driver IC for power devices

Feature

Usage Driving motor for EHV
Function
  • Gate drive (constant voltage control, constant current & low voltage control, switch control)
  • Driver protection function (short circuit, overheating, drive voltage drop)
Point
  • Controls output waveform according to IGBT characteristics
  • Driver control such as constant current drive and low voltage drive
  • Reduce driver ON/OFF delay
  • Apply negative voltage to gate

Block Diagram

Achievements / Case