Low-profile, square metal power inductor for mobile devices

Low-profile, square metal power inductor for mobile devices

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By eeNews Europe

This product is a power inductor for choke coil applications aimed at the power circuits of thin mobile devices typified by tablet devices. This power inductor achieves a leading DC bias characteristic of 3.5A in its size class (inductance value of 4.7 µH) made possible through the integration of Taiyo Yuden’s proprietary metallic magnetic material technology and advanced process technology.

Performance targets for tablet devices have continually increased in the market and these performance target increases have particularly been driven through the installation of high-definition large-size screens. At the same time, the amount of current in power supply circuits is increasing rapidly. Simultaneously, in order to achieve thinner devices, there has been a strong demand for a smaller size and a lower profile electronic component used in such devices.

A common problem faced with the development of power inductors is the resulting DC bias characteristic decline associated with miniaturisation which constricts large amounts of current flow. To address this phenomenon, Taiyo Yuden has developed the MCOILT metal power inductor that makes use of a metallic magnetic material whose DC bias characteristic is improved significantly over conventional ferrite material. IThe forming process has been further developed to realize a large amount of current flow that is almost 1.7 times that of Taiyo Yuden’s conventional product NRS5014 (inductance value of 4.7 µH and DC bias characteristic of 2050 mA) at the saturation current.

Taiyo Yuden;

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