Yogesh Ramadass
Yogesh Ramadass
Senior Director - Nanotech/MEMS/Sensors, Kilby Labs, Texas Instruments
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A battery-less thermoelectric energy harvesting interface circuit with 35 mV startup voltage
YK Ramadass, AP Chandrakasan
IEEE Journal of Solid-State Circuits 46 (1), 333-341, 2010
An efficient piezoelectric energy harvesting interface circuit using a bias-flip rectifier and shared inductor
YK Ramadass, AP Chandrakasan
IEEE journal of solid-state circuits 45 (1), 189-204, 2009
A 65 nm Sub- Microcontroller With Integrated SRAM and Switched Capacitor DC-DC Converter
J Kwong, YK Ramadass, N Verma, AP Chandrakasan
IEEE Journal of solid-state circuits 44 (1), 115-126, 2008
Voltage scalable switched capacitor DC-DC converter for ultra-low-power on-chip applications
YK Ramadass, AP Chandrakasan
2007 IEEE Power Electronics Specialists Conference, 2353-2359, 2007
A fully-integrated switched-capacitor step-down DC-DC converter with digital capacitance modulation in 45 nm CMOS
YK Ramadass, AA Fayed, AP Chandrakasan
IEEE Journal of Solid-State Circuits 45 (12), 2557-2565, 2010
A 330nA energy-harvesting charger with battery management for solar and thermoelectric energy harvesting
K Kadirvel, Y Ramadass, U Lyles, J Carpenter, V Ivanov, V McNeil, ...
2012 IEEE International Solid-State Circuits Conference, 106-108, 2012
Minimum energy tracking loop with embedded DC–DC converter enabling ultra-low-voltage operation down to 250 mV in 65 nm CMOS
YK Ramadass, AP Chandrakasan
IEEE Journal of Solid-state circuits 43 (1), 256-265, 2008
Next generation micro-power systems
AP Chandrakasan, DC Daly, J Kwong, YK Ramadass
2008 IEEE Symposium on VLSI Circuits, 2-5, 2008
20A to 100 mA DC–DC Converter With 2.8-4.2 V Battery Supply for Portable Applications in 45 nm CMOS
S Bandyopadhyay, YK Ramadass, AP Chandrakasan
IEEE Journal of Solid-State Circuits 46 (12), 2807-2820, 2011
Technologies for ultradynamic voltage scaling
AP Chandrakasan, DC Daly, DF Finchelstein, J Kwong, YK Ramadass, ...
Proceedings of the IEEE 98 (2), 191-214, 2010
Circuit and method for a fully integrated switched-capacitor step-down power converter
YK Ramadass, AA Fayed, B Haroun
US Patent 7,907,429, 2011
Energy processing circuits for low-power applications
YK Ramadass
Massachusetts Institute of Technology, 2009
A 0.16mm2 completely on-chip switched-capacitor DC-DC converter using digital capacitance modulation for LDO replacement in 45nm CMOS
Y Ramadass, A Fayed, B Haroun, A Chandrakasan
2010 IEEE International Solid-State Circuits Conference-(ISSCC), 208-209, 2010
Minimum energy tracking loop with embedded DC-DC converter delivering voltages down to 250mV in 65nm CMOS
YK Ramadass, AP Chandrakasan
Solid-State Circuits Conference, 2007. ISSCC 2007. Digest of Technical…, 2007
A 365nW −61.5 dBm sensitivity, 1.875 cm22.4 GHz wake-up receiver with rectifier-antenna co-design for passive gain
KR Sadagopan, J Kang, S Jain, Y Ramadass, A Natarajan
2017 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 180-183, 2017
A cm-scale 2.4-GHz wireless energy harvester with nanowatt boost converter and antenna-rectifier resonance for WiFi powering of sensor nodes
KR Sadagopan, J Kang, Y Ramadass, A Natarajan
IEEE Journal of Solid-State Circuits 53 (12), 3396-3406, 2018
A 1.2 W SIMO energy harvesting and power management unit with constant peak inductor current control achieving 83–92% efficiency across wide input and output voltages
A Shrivastava, YK Ramadass, S Khanna, S Bartling, BH Calhoun
2014 Symposium on VLSI Circuits Digest of Technical Papers, 1-2, 2014
Circuit and method to startup from very low voltages and improve energy harvesting efficiency in thermoelectric harvesters
Y Ramadass, A Chandrakasan
US Patent 8,305,050, 2012
Circuit and method to improve energy harvesting efficiency in piezoelectric harvesters
Y Ramadass, A Chnadrakasan
US Patent 8,026,650, 2011
Evaluating piezoelectric materials and vibration modes for power conversion
JD Boles, JE Bonavia, PL Acosta, YK Ramadass, JH Lang, DJ Perreault
IEEE Transactions on Power Electronics 37 (3), 3374-3390, 2021
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