Session 9Ubiquitous Power Delivery.pdf

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1、Session 9 Overview:Ubiquitous Power Delivery POWER MANAGEMENT SUBCOMMITTEEPower delivery circuits are employed in all types of electronic applications,and their technological innovations continue to advance.In this session,the latest advanced technologies for AC-DC converters,supply modulators for R

2、F power amplifiers,low dropout regulators,wireless power transfer,and hybrid converters are presented to demonstrate their novel topologies achieving higher efficiency,higher output power,faster transient response and smaller form factor.Session Chair:Dongsu Kim Samsung Electronics,Hwaseong,Korea Se

3、ssion Co-Chairs:Chen-Yen Ho MediaTek,Hsinchu,Taiwan 176 2025 IEEE International Solid-State Circuits ConferenceISSCC 2025/SESSION 9/UBIQUITOUS POWER DELIVERY/OVERVIEW979-8-3315-4101-9/25/$31.00 2025 IEEE8:00 AM 9.1 An 85-to-230VAC to 3.3-to-4.6VDC 1.52W Capacitor-Drop Sigma-Floating-SC AC-DC Convert

4、er with 81.3%Peak Efficiency Fei Song,University of Macau,Macau,China In Paper 9.1,University of Macau presents a capacitor-drop sigma-floating-SC AD-DC converter for IoT and smart home devices.With a sigma-SC rectifier and a floating-SC converter,it achieves 81.3%peak efficiency and maintain high e

5、fficiency for wide load current range.8:25 AM 9.2 A 400MHz Symbol-Power-Tracking(SPT)Supply Modulator with SPT-Adaptive-Biasing Network Supporting 5G FR2 CMOS PA Jongbeom Baek,University of California,Berkeley,CA In Paper 9.2,University of California,Berkeley presents a fully integrated symbol-power

6、-tracking(SPT)CMOS RF power amplifier with a non-uniform multi-level supply modulator and a SPT-adaptive-biasing network.This work supports 5G FR2 standard with 400MHz channel bandwidth and has a 30%improved efficiency compared to the average power tracking operation.8:50 AM 9.3 A 74W/48V Monolithic