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Fully Integrated Switched-Capacitor PMU for IoT Nodes

2022-11-21 Technology & Engineering
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Release : 2022-11-21
Genre : Technology & Engineering
Kind : eBook
Book Rating : 014/5 ( reviews)

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Book Synopsis Fully Integrated Switched-Capacitor PMU for IoT Nodes by : Ricardo Madeira

Download or read book Fully Integrated Switched-Capacitor PMU for IoT Nodes written by Ricardo Madeira. This book was released on 2022-11-21. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a step-by-step methodology and system design that can be used to design a fully integrated PMU using SC DC-DC converters, for any CMOS technology. The authors discuss trade-offs between power density and efficiency of the methodology for the 130 nm CMOS technology, and how to implement it on other CMOS technologies. The book describes the state-of-the-art of fully or near-fully integrated SC DC-DC converters with multiple conversion ratios and the techniques used to enhance the overall performance of these converters. Coverage includes the trade-off between the number of conversion ratios and overall extracted efficiency from a supercapacitor, as well as the sizing of the converter cells according to the desired output power and maximum clock frequency. The authors also describe in detail the design of the fundamental blocks for the converter operation, which includes a secondary control loop using capacitance modulation by sensing the clock frequency.

Advanced Multiphasing Switched-Capacitor DC-DC Converters

2020-07-03 Technology & Engineering
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Release : 2020-07-03
Genre : Technology & Engineering
Kind : eBook
Book Rating : 356/5 ( reviews)

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Book Synopsis Advanced Multiphasing Switched-Capacitor DC-DC Converters by : Nicolas Butzen

Download or read book Advanced Multiphasing Switched-Capacitor DC-DC Converters written by Nicolas Butzen. This book was released on 2020-07-03. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a detailed analysis of switched-capacitor DC-DC converters that are entirely integrated on a single chip and establishes that these converters are mainly limited by the large parasitic coupling, the low capacitor energy density, and the fact that switched-capacitor converter topologies only have a fixed voltage conversion ratio. The authors introduce the concept of Advanced Multiphasing as a way to circumvent these limitations by having multiple out-of-phase parallel converter cores interact with each other to minimize capacitor charging losses, leading to several techniques that demonstrate record efficiency and power-density, and even a fundamentally new type of switched-capacitor topology that has a continuously-scalable conversion ratio. Provides single-source reference to the recently-developed Advanced Multiphasing concept; Enables greatly improved performance and capabilities in fully integrated switched-capacitor converters; Enables readers to design DC-DC converters, where multiple converter cores are put in parallel and actively interact with each other over several phases to improve their capabilities.

Very-Large-Scale-Integration Circuit Techniques in Internet-of-Things Applications

2018
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Release : 2018
Genre :
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Very-Large-Scale-Integration Circuit Techniques in Internet-of-Things Applications by : Jiangyi Li

Download or read book Very-Large-Scale-Integration Circuit Techniques in Internet-of-Things Applications written by Jiangyi Li. This book was released on 2018. Available in PDF, EPUB and Kindle. Book excerpt: We present a PMU–load co-design based on a fully integrated switched-capacitor DC-DC converter (SC-DC) and hybrid error/replica-based regulation for a fully digital PMU control. The PMU is integrated with a neural spike processor (NSP) that achieves a record-low power consumption of 0.61 μW for 96 channels. A tunable replica circuit is added to assist the error regulation and prevent loss of regulation. With automatic energy-robustness co-optimization, the PMU can set the SC-DC’s optimal conversion ratio and switching frequency. The PMU achieves a PCE of 77.7% (72.2%) at VIN = 0.6 V (1 V) and at the NSP’s margin-free operating point.

Reconfigurable Switched-Capacitor Power Converters

2012-07-25 Technology & Engineering
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Release : 2012-07-25
Genre : Technology & Engineering
Kind : eBook
Book Rating : 870/5 ( reviews)

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Book Synopsis Reconfigurable Switched-Capacitor Power Converters by : Dongsheng Ma

Download or read book Reconfigurable Switched-Capacitor Power Converters written by Dongsheng Ma. This book was released on 2012-07-25. Available in PDF, EPUB and Kindle. Book excerpt: This book provides readers specializing in ultra-low power supply design for self-powered applications an invaluable reference on reconfigurable switched capacitor power converters. Readers will benefit from a comprehensive introduction to the design of robust power supplies for energy harvesting and self-power applications, focusing on the use of reconfigurable switched capacitor based DC-DC converters, which is ideal for such applications. Coverage includes all aspects of switched capacitor power supply designs, from fundamentals, to reconfigurable power stages, and sophisticated controller designs.

A Multi-phase Fully Integrated Switched-Capacitor Boost Converter with Transient Enhancement Techniques

2022
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Release : 2022
Genre :
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Book Synopsis A Multi-phase Fully Integrated Switched-Capacitor Boost Converter with Transient Enhancement Techniques by :

Download or read book A Multi-phase Fully Integrated Switched-Capacitor Boost Converter with Transient Enhancement Techniques written by . This book was released on 2022. Available in PDF, EPUB and Kindle. Book excerpt:

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