一款高效紧凑的65nm电源管理模块,具有1.2v低压PWM控制器,适用于超宽带系统应用

Yu-Huei Lee, Shih-Jung Wang, Yao-Yi Yang, Kuo-Lin Zheng, Po-Fung Chen, C. Hsieh, Ming-Hsin Huang, Yu-Nong Tsai, Yu-Zhou Ke, Ke-Horng Chen, Yi-Kuang Chen, Chen-Chih Huang, Ying-Hsi Lin
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引用次数: 6

摘要

该65 nm电源管理模块采用1.2 V低压PWM控制器,旨在与超宽带(UWB)系统集成,以获得高效率和紧凑的尺寸。带有功率调节电路的片上预调节器提供恒定和无噪声的供电电压。因此,电池电压变化对低压PWM控制器的影响较小。本文提出的补偿增强型多级放大器(CEMA)在不需要片外补偿电路的情况下,提高了系统环路增益,稳定了系统。该电源管理具有优异的线负载瞬态响应,效率最高,约为92%,硅晶片面积为0.995 mm2。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A high efficiency and compact size 65nm power management module with 1.2v low-voltage PWM controller for UWB system application
This 65 nm power management module with 1.2 V low-voltage PWM controller aims to integrate with ultra-wideband (UWB) system to get high efficiency and compact size. The on-chip pre-regulator with power conditioning circuit provides a constant and noiseless supply voltage. Thus, the voltage variation of battery has less effect on the low-voltage PWM controller. The proposed compensation enhancement multistage amplifier (CEMA) increases system loop gain and stabilizes the system without off-chip compensation circuit. With excellent line/load transient response, the proposed power management has the highest efficiency about 92% and 0.995 mm2 silicon die area.
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