ROHM’s New MOSFETs: Contributing to Higher Efficiency and Safer Operation with an Original Insulation Structure
ROHM has recently developed a compact, high efficiency 20V Nch MOSFET, RA1C030LD, optimized for switching in small, thin devices, including smartphones and wearables such as wireless earbuds and other hearable equipment.
In recent years, the increasing sophistication and power requirements of compact devices have resulted in larger batteries that reduce the space available for mounting components. At the same time, there is a limit to the size of the battery, so to ensure more efficient use of battery power the power loss of mounted components must be minimized.
To meet this need, the development of MOSFETs in wafer-level chip-size packages (WLCSP) that contribute to greater miniaturization while maintaining the necessary characteristics is becoming mainstream in the industry. ROHM leverages its strengths as an IC manufacturer to significantly reduce wiring resistance (which has increased with conventional discrete processes). The result is a compact power MOSFET that delivers low power loss.
The RA1C030LD is offered in the DSN1006-3 wafer-level, chip-size package (1.0mm × 0.6mm) that takes advantage of ROHM’s proprietary IC process to achieve low power dissipation together with greater miniaturization. In terms of the figure of merit that expresses the relationship between conduction and switching losses (ON-resistance × Qgd), an industry-leading value has been achieved that is 20% lower than standard package products in the same package (1.0mm × 0.6mm or smaller), contributing to a significantly smaller board area along with higher efficiency in a variety of compact devices. At the same time, ROHM’s unique package structure provides insulated protection for the side walls (unlike standard products in the same package with no protection). This reduces the risk of shorts due to contact between components in compact devices that must resort to high density mounting due to space constraints, contributing to safer operation.
Going forward, ROHM will continue to develop products with even lower ON resistance in smaller package sizes that contribute to solving social issues such as environmental protection by improving efficiency in a variety of compact devices.
Application Examples
Hearables (i.e. wireless earbuds)
Wearables such as smart watches, smart glasses, and action cameras
Smartphones
Also suitable for switching in a wide range of thin compact devices.
Online Sales Information
Sales Launch Date: December 2022
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本文由玄子转载自ROHM News，原文标题为:ROHM’s New MOSFETs: Contributing to Higher Efficiency and Safer Operation with an Original Insulation Structure，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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