Multi-chip multi-phase DC−DC converters for AI power: a ring, a chain, or a net, independent or master-slave?

Yan Lu; Zhiguo Tong; Jiacheng Yang; Zhewen Yu; Mo Huang; Xiangyu Mao

doi:10.1088/1674-4926/25040033

Journal of Semiconductors, Volume. 46, Issue 7, 070201(2025)

Multi-chip multi-phase DC−DC converters for AI power: a ring, a chain, or a net, independent or master-slave?

Yan Lu^1、*, Zhiguo Tong², Jiacheng Yang², Zhewen Yu^1,2, Mo Huang², and Xiangyu Mao³

Author Affiliations

¹Department of Electronic Engineering, Tsinghua University, Beijing 100084, China

²Institute of Microelectronics, University of Macau, Macao, China

³School of Integrated Circuit Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China

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Fig. 1. (Color online) A lateral-vertical power delivery system from 48 V to the point-of-load.

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Fig. 2. (Color online) Multi-chip multi-phase DC−DC conversion with (a) centralized controller and power stages, (b) a distributed converter ring, or (c) a distributed converter array.

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Yan Lu, Zhiguo Tong, Jiacheng Yang, Zhewen Yu, Mo Huang, Xiangyu Mao. Multi-chip multi-phase DC−DC converters for AI power: a ring, a chain, or a net, independent or master-slave?[J]. Journal of Semiconductors, 2025, 46(7): 070201

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Paper Information

Category: Research Articles

Received: Apr. 27, 2025

Accepted: --

Published Online: Aug. 27, 2025

The Author Email: Yan Lu (YLu)

DOI:10.1088/1674-4926/25040033

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology