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2025.04.02

AIサーバー用 48V Power System等に対応する、高容量 100V MLCCの紹介

▷ AIサーバーの電力消費の増加により、効率の高い48V Power Systemの採用が増えています。 48V Power Systemは、同じ電流からより高い電力の供給を可能にできます。


▷ AIサーバー回路の48Vシステムは、大きく2つの部分で適用されます。

   1つ目は、Server PSU（AC/DC）の48V電圧出力回路、

   2つ目は、サーバーボードの上に搭載されるPower Moduleの48V入力回路です。


AI 서버 Power Module 이미지.png

▷ 設計の際には48V入力/出力電圧回路に高容量100V MLCCを適用する場合、機械的ストレス(Mechanical Stress)を低減させるSoft Terminationが考慮され、さらに高いリップル電流(Ripple Current)により発生するMLCC自己発熱(Self-temperature Rise)についても検討が行われます。［Figure2/3］

 

MLCC 자체 발열 이미지와 리플 전류에 의한 자체 발열 특성 그래프.png 

 

▷ サムスン電機は、AIサーバー向け48V Power Systemのニーズに応じた高容量、100V、Soft Termination MLCC「CL31Y475KCK64N#」(3216mm、4.7μF、X7S) 製品を量産しています。

 

CL31Y475KCK64N# 제품이미지.jpg 

신제품 CL31Y475KCK64N#의 스펙을 정리한 표, Size, Cpacitance, Rated Voltage, TCC, Capacitance, MP Status, Sample에 대한 내용을 제공합니다.

Samsung

Size

Rated Voltage

TCC

Capacitance

MP Status

Sample

CL31Y475KCK64N#

3216mm

(1206 inch)

100V

X7S

4.7㎌

MP

Available

 

 

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