Inductors: TDK launches high-current low-inductance power inductors for automotive power circuits

• 2021/07/20

• Reduced risk of open and short circuits by integrating internal and external electrodes

• High power efficiency achieved by employing low-loss ferrite and low DC resistance

• The use of magnetic flux offset structure reduces electromagnetic interference

• AEC-Q200 compliant

TDK Corporation (TSE: 6762) has developed the new HPL505032F1 power inductor for automotive circuits. By providing high current with low inductance for the power supply circuits in the central processing unit and graphics processing unit, the inductor enables level 5 ADAS applications for cameras, such as advanced driver assistance systems (ADAS).

The new product uses a fully self-developed high BS material and a low RDC manufactured high penetration, low loss ferrite low resistance frame to achieve high power efficiency. The current rating of this product is 1.5 times that of TDK's existing product (HPL505028), and it can accommodate currents as high as 40A to 50A. The proprietary structural design produces a magnetic flux cancellation effect that contributes to noise control, while the frame integrating internal and external electrodes also reduces the risk of open and short circuits, ensuring high reliability.

As cars become more automated, the demand for high-speed, high-capacity cameras in ADAS is increasing. Cameras are an essential component of ADAS-enabled cars, ensuring that everything in the vehicle is in line and that no dangerous situations are occurring. TDK's ADAS system product line includes a range of automotive inductors for these applications. Volume production of these new inductors will begin in July 2021.

main application

• ADAS (level 5 application of camera)

Main Features and Benefits

• Reduced risk of open and short circuits by integrating internal electrodes with external electrodes
• High power efficiency achieved by employing low-loss ferrite and low DC resistance
• The use of magnetic flux offset structure reduces electromagnetic interference
• Operating temperature range between -55°C and +155°C (including self-heating)

About TDK Corporation

TDK Corporation, headquartered in Tokyo, Japan, is a world-leading electronics company providing electronic solutions for the smart society. TDK is established on the basis of proficiency in material science, and has always been at the forefront of technological development and embraces social changes with "technology that attracts the future". Founded in 1935, the company specializes in ferrite, a key material used in electronic and magnetic products. TDK's comprehensive and innovation-driven product portfolio includes passive components such as ceramic capacitors, aluminum electrolytic capacitors, film capacitors, magnetic products, high-frequency components, piezoelectric and protective devices, as well as sensors and sensor systems (such as: temperature and pressure, magnetic and MEMS sensors). In addition, TDK provides power supply and energy devices, magnetic heads and other products. Product brands include TDK, EPCOS, InvenSense, Micronas, Tronics and TDK-Lambda. TDK focuses on market segments such as automotive, industrial and consumer electronics, and information and communication technology. The company has a network of design, manufacturing and sales offices in Asia, Europe, North and South America. In fiscal 2020, TDK's sales totaled US$13.3 billion and employed approximately 129,000 people worldwide.