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JSSC 2022第12期OtherGaN-on-SOI

A Monolithic GaN Power IC With On-Chip Gate Driving Level Shifting and Temperatu

提出一种单片GaN功率IC,集成栅极驱动、电平转换和温度传感技术,实现高效48V/1V直流转换。
48V/1V dc-dc转换, 5A最大负载电流, 1.1A/mm2电流密度
氮化镓功率IC栅极驱动电平转换温度传感同步整流
自举混合栅极驱动方案(SBH)
自动锁定自动断开电平转换技术(A2)
片上温度传感与死区时间控制
Abstract
To unlock the full potential of monolithic gallium nitride (GaN) power integrated circuits, this article explores the feasibility of developing efficient and reliable on-chip gate driving and level shifting solutions, which fundamentally facilitate the on- chip implementation of GaN power circuits. As results, a self- bootstrapped hybrid (SBH) gate driving scheme and its circuitry are developed, which achieve rail-to-rail dynamic gate driving in normal operation and robust static gate driving in