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LED backlights (touch screen, cameras)

Most of the new car todays are equipped with LCD displays and infotainment touchscreens. This product becomes a Must in the automotive market. With the various range of products and packages, it will help you to achieve high efficiency driver design and good thermal performance.

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/ Designing for Convenience, Control, and Safety

In the electric power steering system, a compact brushless DC (BLDC) motor is attached to the steering column and works with several sensors to detect the amount of torque being applied by the driver.

Maintaining constant communication and feedback based on the driver’s speed, torque, and other sensor data, the EPS increases or decreases power to help the driver steer based on real-time driving conditions. At lower speeds, the steering wheel can be turned easily, and at higher speeds, it requires a bit more resistance to give the driver a feeling of control.

Brushless DC (BLDC) motors are relatively compact and cost-effective, delivering long-lasting operation, easy installation, and reduced EMI noise to enhance EPS performance.


/ Application Considerations

  • High-temperature capability - components must withstand the worst-case scenario in thermal surges caused by torque assistant pulses.
  • High current handling - the system should perform reliably under the worst possible conditions and current surges.
  • Low on-resistance - minimizing heat generated during operation extends the life of the component, and low RDS(on) plays a crucial role while enhancing system responsiveness.
  • EMI protection - proper suppression and filtration are needed to reduce noise and electromagnetic interference.
  • Fast switching speed - switching should be fast enough to ensure smooth operation amid ever-changing conditions. 
  • Low reverse recovery time - low Trr is needed to enable faster switching at high frequencies and improve efficiency.
  • Applicable industry standards - to ensure maximum safety and reliability, adherence to AEC-Q101 and other standards is required for certain components.

/ Block Diagram


/ Media

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