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Tech - Article 2025.04.02

Introduction of High-Capacitance 100V MLCC in Line with the Expansion of 48V Power Systems for AI Servers

▷ With the increase of power consumption of AI servers, a resulting trend is the adoption of more 48V Power Systems with better efficiency. The 48V Power System enables the delivery of higher power with the same current.


▷ The 48V System in AI server circuits is generally applied in two key areas:

   1. The 48V output circuit of the Server PSU (AC/DC).

   2. The 48V input circuit of the Power Module mounted on the server board. [Figure 1]


AI 서버 Power Module 이미지.png

 

▷ From a design perspective, when applying high-capacitance 100V MLCC to 48V input/output voltage circuits, the usage of Soft Termination to reduce mechanical stress is considered, as well as the evaluation of the Self-temperature Rise of the MLCC caused by high ripple currents. [Figure 2/3]

 

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

  

▷ Samsung Electro-Mechanics is mass-producing the high-capacitance 100V Soft Termination MLCC CL31Y475KCK64N# (1206 inch, 4.7㎌, X7S) product to meet the needs of 48V Power Systems for AI servers.

 

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#

1206 inch

(3216mm)

100V

X7S

4.7㎌

MP

Available

 

 

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