TDK's high-current, low-DC resistance power inductors achieve higher current ratings for automotive power circuits

     TDK Corporation's VLS5030EX-D inductors belong to the VLS-EX-D series of wound ferrite inductors for automotive power circuits. These compact elements provide excellent DC stacking characteristics with assured performance at temperatures up to +150°C. These inductors are suitable for headlights, airbags, electric power steering systems (EPS), advanced Driver assistance systems (ADAS), engine control units (ECUs) and a variety of other power circuit applications.

     The VLS-EX-D compact component supports automotive power coaxial cable (PoC) with excellent DC overlay characteristics for data transmission and power supply, enabling electrification of a variety of automotive control functions, infotainment, and autonomous driving applications with ECU installed under the hood. In addition, as IC processing power increases, higher currents are required, and the VLS-EX-D series helps to achieve these e specifications.

     The VLS-EX-D series inductors are rated higher than TDK's standard VLS-EX-H series. These improvements are made possible by the magnetic shielding function using TDK's innovative metallic magnetic materials. The VLS-EX-D inductor has an Isat rating of 3.3 A at 4.7 μH, an increase of about 6 percent over a standard component of the same size. In addition, a highly reliable welding method is used to connect the wound wire to the external electrode, suitable for reflow welding and high-temperature applications.