Design of Oscillator and Charge Pump for the Startup of Ultra-Low-Voltage Energy Harvesters

被引：0

作者：

Nornberg, Franciele ^{[1
]}

Machado, Marcio B. ^{[2
]}

Radin, Rafael L. ^{[3
]}

Galup-Montoro, Carlos ^{[3
]}

Schneider, Marcio C. ^{[3
]}

机构：

[1] Macnica DHW, Florianopolis, SC, Brazil

[2] Fed Inst Sao Paulo, Campinas, SP, Brazil

[3] Univ Fed Santa Catarina, Elect & Elect Engn Dept, Florianopolis, SC, Brazil

来源：

2023 36TH SBC/SBMICRO/IEEE/ACM SYMPOSIUM ON INTEGRATED CIRCUITS AND SYSTEMS DESIGN, SBCCI | 2023年

关键词：

LC-oscillator; startup; boost converter; fully-integrated; ultra-low voltage; ultra-low power; energy harvesting; BOOST CONVERTER; INPUT VOLTAGE; COLD-START; MV; CIRCUIT;

D O I：

10.1109/SBCCI60457.2023.10261951

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a design procedure for the minimization of the startup voltage of energy-harvesting boost converters. The analysis of both an LC oscillator and a charge pump under ultra-low-voltage operation, based on the physics-based MOSFET and diode models, is performed. Considering the interaction between these two blocks, a routine that minimizes the startup voltage of boost converters is proposed. The technique provides the oscillator characteristics, number of stages and sizing of the charge-pump devices. The methodology, applied to a cold startup in a 180 nm CMOS technology, provides a fully integrated design with a minimum input voltage of only 53 mV, for an output of 500 mV at 100 nA of current consumption.

引用

页码：112 / +

页数：5

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