← 返回 JSSC 论文列表JSSC 2021第12期Power Management0.13µm 90V SOI BCD
An Automotive-Grade Monolithic Masterless Fault-Tolerant Hybrid Dickson DCDC Con
一款用于48V汽车应用的单片无主容错混合Dickson DC-DC转换器IC
20–60V输入, 3.3V输出, 3A最大负载, 320kHz开关频率, 90%效率
汽车级容错Dickson转换器单片集成高压
▸混合信号下垂谷电流ON-time准固定频率控制
▸单点短路和开路故障检测及阻断
▸全集成飞电容源栅极驱动器的高压功率级
Abstract
Autonomous-driving features necessitate a fault-
tolerant (FT) power-management unit in 48-V automotive
applications. This article presents a monolithic single-phase
closed-loop masterless FT four-to-one hybrid Dickson converter
IC for high-conversion-ratio 48-V automotive multi-phase appli-
cations. The chip includes: 1) a mixed-signal droop-based valley-
current
ON-time quasi-fixed-frequency control, which enables
masterless multi-phase operation capability; 2) single-point short-
circuit fault