A Versatile 200-V Capacitor-Coupled Level Shifter for Fully Floating Multi-MHz Gate Drivers

نویسندگان

چکیده

This brief presents a novel level-shifter circuit for high-frequency high-voltage (HV) gate-drives. The proposed level shifter (LS) is designed based on capacitive-coupler/current mirror/ latch structure which helps to extend operation voltage of floating supply into the negative range, achieves sub-ns and constant delay, consumes very low power from supply. Additionally, common-mode noise cancellers cross-current mirror transmission gates are also presented enhance dV/dt immunity LS against slewing ground. Implemented in 0.18 μm HV BCD-on-SOI (bipolar-CMOS-DMOS silicon-on-isolator) process, post-layout simulation design shows delay 680 ps, 200 V/ns dV SSF /dt slew rate immunity, It dissipates no static only 8.1 pJ/transition supply, improving FoM 1 xmlns:xlink="http://www.w3.org/1999/xlink">2 by 3 times 11.7 compared respective state-of-the-art works.

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ژورنال

عنوان ژورنال: IEEE Transactions on Circuits and Systems Ii-express Briefs

سال: 2021

ISSN: ['1549-7747', '1558-3791']

DOI: https://doi.org/10.1109/tcsii.2021.3066980