Design of a high-voltage driver based on low-voltage CMOS with an adapted level shifter optimized for a wide range of supply voltage

This paper presents the design of a high-voltage driver with an adapted level shifter for switching converters. The proposed HV-driver and level shifter are based on stacked standard CMOS, therefore the design is technology independent. The circuit is designed in 65-nm TSMC technology with a nominal voltage of 2.5 V and optimized for arbitrary supply voltages from 2.6 V to 6.0 V. This range is extended by 41.7% when compared against common drivers and level shifters with the circuit being suitable for a supply voltage range of 2.4 V between 2.6 V and 5.0 V. The total area of the designed level shifter is about 3.8% of that required for similar circuit in previous work.

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