低延迟16相脉宽调制器与相角控制140MHz完全集成电压调节器在22nm三门CMOS

2019 IEEE 62nd International Midwest Symposium on Circuits and Systems (MWSCAS) Pub Date : 2019-08-01 DOI:10.1109/MWSCAS.2019.8885345

G. Schrom, Sarath Makala, Ravi Sankar Vunnam, R. Narayanan, F. Paillet

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引用次数: 1

摘要

提出了一种采用22nm三栅CMOS工艺制造的16相脉宽调制器(PWM)，用于全集成稳压器(FIVR)。PWM支持20MHz- 320MHz的宽工作频率范围，可单独编程的相位角从0°到360°，分辨率为11.25°，低延迟为150ps，并同步启用/禁用相位。PWM可以锁相到扩频参考时钟，用于EMI/RFI控制。该设计不需要低漏模拟元件。

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A Low-Latency 16-Phase Pulse Width Modulator with Phase Angle Control for 140MHz Fully Integrated Voltage Regulators on 22nm Tri-Gate CMOS

A 16-phase Pulse Width Modulator (PWM) for Fully Integrated Voltage Regulators (FIVR) manufactured on a 22nm tri-gate CMOS process is presented. The PWM supports a wide operating frequency range of 20MHz- 320MHz, individually programmable phase angles from 0° to 360° with 11.25° resolution, a low latency of 150ps, and synchronized enabling/disabling of phases. The PWM can be phase-locked to a spread-spectrum reference clock for EMI/RFI control. The design does not require low-leakage analog components.

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2019 IEEE 62nd International Midwest Symposium on Circuits and Systems (MWSCAS)

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