Two papers at the 22nd IEEE International Symposium on Design and Diagnostics of Electronic Circuits & Systems

Two papers from the CONNECT consortium have been included in the proceedings of the IEEE 22nd International Symposium on Design and Diagnostics of Electronic Circuits & Systems!

The first paper entitled “Ultra Low-Voltage Rail-to-Rail Comparator Design in 130 nm CMOS Technology” by L. Nagy, D. Arbet, M. Kovac, M. Potocny and V. Stopjakova, addresses a novel topology of ultra low-voltage comparator with rail-to-rail input voltage range and selectable level of hysteresis designed in a standard twin-well 130 nm CMOS technology. The nominal power supply voltage of 0.4 V was used, and the working temperature range was set to the industrial standard from -20 ° to 85 °. The proposed comparator design is intended to work in an energy harvesting system. Hence, low power consumption is the key requirement. The comparator employs bulk-driven transistors in the input stage and operates in so-called current mode. The designed comparator circuit draws less than 5μA in typical conditions but its function and robustness have been verified across all possible process and temperature corners. The design was submitted to foundry for manufacturing and the measured data can be expected soon.

The second paper entitled “High side power MOSFET switch driver for a low-power AC/DC converter” by M. Potočný, J. Brenkuš and V. Stopjaková, proposes a solution that is optimized for operation with output loads up to 500 mW, while high efficiency and close to zero no-load consumption have been our foremost design goals. The proposed design is implemented in a high-voltage CMOS process and transistor level simulation results show improved properties of the proposed solution over the existing ones.