峰值效率为83%，功率密度为1.07W/mm2，具有Bang-Bang零阶控制的单电感4输出DC-DC变换器

2014 IEEE Asian Solid-State Circuits Conference (A-SSCC) Pub Date : 2014-11-10 DOI:10.1109/ASSCC.2014.7008860

Dongmin Park, Tae-Hwang Kong, Sukhwan Choi, G. Cho

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引用次数: 4

摘要

提出了一种用于单电感多输出降压变换器的Bang-Bang零阶控制(BBZOC)方法。主回路控制采用鉴相器、电荷泵、滤波器和比较器。与传统的电压模式控制相比，带BBZOC的SIMO降压变换器简化了补偿设计。该器件采用1P4M 0.35um BCD工艺，最高效率为83%，额定输出功率为1.04W。最大输出功率2.7W，最大功率密度1.07 W/mm2。考虑到工艺上的差异，这项工作代表了功率密度的最新水平。

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An 83% peak efficiency and 1.07W/mm2 power density Single Inductor 4-Output DC-DC converter with Bang-Bang Zeroth-Order Control

This paper presents a new control scheme dubbed Bang-Bang Zeroth-Order Control (BBZOC) for Single Inductor Multiple Output (SIMO) buck converter. The main loop control utilizes a phase detector, charge pump, filter, and comparator. The SIMO buck converter with BBZOC simplifies the compensation design compared to conventional voltage mode control. This work is fabricated in 1P4M 0.35um BCD process and achieves 83% maximum efficiency with the rated output power of 1.04W. The maximum output power is 2.7W and the maximum power density is 1.07 W/mm2. Considering the difference in the process, this work represents the state of the art in the power density.

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2014 IEEE Asian Solid-State Circuits Conference (A-SSCC)

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