Krishnan Ravichandran

Orcid: 0000-0003-2271-4314

Affiliations:
  • Intel Corporation, Chandler, AZ, USA


According to our database1, Krishnan Ravichandran authored at least 44 papers between 2014 and 2024.

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Bibliography

2024
14.9 A Monolithic 10.5W/mm<sup>2</sup>600 MHz Top-Metal and C4 Planar Spiral Inductor-Based Integrated Buck Voltage Regulator on 16nm-Class CMOS.
Proceedings of the IEEE International Solid-State Circuits Conference, 2024

28.4 A Monolithic 12.7W/mm<sup>2</sup> Pmax, 92% Peak-Efficiency CSCR-First Switched-Capacitor DC-DC Converter.
Proceedings of the IEEE International Solid-State Circuits Conference, 2024

2023
A 1.8W High-Frequency SIMO Converter Featuring Digital Sensor-Less Computational Zero-Current Operation and Non-Linear Duty-Boost.
Proceedings of the IEEE International Solid- State Circuits Conference, 2023

A Monolithic 26A/mm<sup>2</sup>Imax, 88.5% Peak-Efficiency Continuously Scalable Conversion-Ratio Switched-Capacitor DC-DC Converter.
Proceedings of the IEEE International Solid- State Circuits Conference, 2023

2022
A 32-A, 5-V-Input, 94.2% Peak Efficiency High-Frequency Power Converter Module Featuring Package-Integrated Low-Voltage GaN nMOS Power Transistors.
IEEE J. Solid State Circuits, 2022

Fully Integrated Voltage Regulators with Package-Embedded Inductors for Heterogeneous 3D-TSV-Stacked System-in-Package with 22nm CMOS Active Silicon Interposer Featuring Self-Trimmed, Digitally Controlled ON-Time Discontinuous Conduction Mode (DCM) Operation.
Proceedings of the IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits 2022), 2022

A 0.76V Vin Triode Region 4A Analog LDO with Distributed Gain Enhancement and Dynamic Load-Current Tracking in Intel 4 CMOS Featuring Active Feedforward Ripple Shaping and On-Chip Power Noise Analyzer.
Proceedings of the IEEE International Solid-State Circuits Conference, 2022

2021
A Universal Modular Hybrid LDO With Fast Load Transient Response and Programmable PSRR in 14-nm CMOS Featuring Dynamic Clamp Strength Tuning.
IEEE J. Solid State Circuits, 2021

A Time-/Frequency-Domain Side-Channel Attack Resistant AES-128 and RSA-4K Crypto-Processor in 14-nm CMOS.
IEEE J. Solid State Circuits, 2021

A 1S Direct-Battery-Attach Integrated Buck Voltage Regulator with 5-Stack Thin-Gate 22nm FinFET CMOS Featuring Active Voltage Balancing and Cascaded Self-Turn-ON Drivers.
Proceedings of the 2021 Symposium on VLSI Circuits, Kyoto, Japan, June 13-19, 2021, 2021

A 32A 5V-Input, 94.2% Peak Efficiency High-Frequency Power Converter Module Featuring Package-Integrated Low-Voltage GaN NMOS Power Transistors.
Proceedings of the 2021 Symposium on VLSI Circuits, Kyoto, Japan, June 13-19, 2021, 2021

A Dual-Input, Digital Hybrid Buck-LDO System Featuring Fast Load Transient Response, Zero-Wire Current Handover & Input PDN Resonance Reduction.
Proceedings of the 2021 Symposium on VLSI Circuits, Kyoto, Japan, June 13-19, 2021, 2021

Peak-Current-Controlled Ganged Integrated High-Frequency Buck Voltage Regulators in 22nm CMOS for Robust Cross-Tile Current Sharing.
Proceedings of the IEEE International Solid-State Circuits Conference, 2021

2020
A Variation-Adaptive Integrated Computational Digital LDO in 22-nm CMOS With Fast Transient Response.
IEEE J. Solid State Circuits, 2020

A Dual-Rail Hybrid Analog/Digital LDO with Dynamic Current Steering for Tunable High PSRR and High Efficiency.
Proceedings of the IEEE Symposium on VLSI Circuits, 2020

A SCA-Resistant AES Engine in 14nm CMOS with Time/Frequency-Domain Leakage Suppression using Non-Linear Digital LDO Cascaded with Arithmetic Countermeasures.
Proceedings of the IEEE Symposium on VLSI Circuits, 2020

An Autonomous Reconfigurable Power Delivery Network (RPDN) for Many-Core SoCs Featuring Dynamic Current Steering.
Proceedings of the IEEE Symposium on VLSI Circuits, 2020

Self-Powered IOT System for Edge Inference.
Proceedings of the 21st International Symposium on Quality Electronic Design, 2020

Digital Control of Switching and Linear Integrated Voltage Regulators.
Proceedings of the 2020 IEEE Custom Integrated Circuits Conference, 2020

2019
A Light-Load Efficient Fully Integrated Voltage Regulator in 14-nm CMOS With 2.5-nH Package-Embedded Air-Core Inductors.
IEEE J. Solid State Circuits, 2019

An Energy-Efficient Graphics Processor in 14-nm Tri-Gate CMOS Featuring Integrated Voltage Regulators for Fine-Grain DVFS, Retentive Sleep, and ${V}_{\text{MIN}}$ Optimization.
IEEE J. Solid State Circuits, 2019

A Variation-Adaptive Integrated Computational Digital LDO in 22nm CMOS with Fast Transient Response.
Proceedings of the 2019 Symposium on VLSI Circuits, Kyoto, Japan, June 9-14, 2019, 2019

A 93.8% Peak Efficiency, 5V-Input, 10A Max ILOAD Flying Capacitor Multilevel Converter in 22nm CMOS Featuring Wide Output Voltage Range and Flying Capacitor Precharging.
Proceedings of the IEEE International Solid- State Circuits Conference, 2019

A Fully Integrated Voltage Regulator in 14nm CMOS with Package-Embedded Air-Core Inductor Featuring Self-Trimmed, Digitally Controlled Variable On-Time Discontinuous Conduction Mode Operation.
Proceedings of the IEEE International Solid- State Circuits Conference, 2019

A Modular Hybrid LDO with Fast Load-Transient Response and Programmable PSRR in 14nm CMOS Featuring Dynamic Clamp Tuning and Time-Constant Compensation.
Proceedings of the IEEE International Solid- State Circuits Conference, 2019

2018
An Integrated Concurrent Multiple-Input Self-Startup Energy Harvesting Capacitive-Based DC Adder Combiner.
IEEE Trans. Ind. Electron., 2018

A Switched Capacitor Energy Harvester Based on a Single-Cycle Criterion for MPPT to Eliminate Storage Capacitor.
IEEE Trans. Circuits Syst. I Regul. Pap., 2018

A Digitally Controlled Fully Integrated Voltage Regulator With 3-D-TSV-Based On-Die Solenoid Inductor With a Planar Magnetic Core for 3-D-Stacked Die Applications in 14-nm Tri-Gate CMOS.
IEEE J. Solid State Circuits, 2018

A Digitally Controlled Fully Integrated Voltage Regulator With On-Die Solenoid Inductor With Planar Magnetic Core in 14-nm Tri-Gate CMOS.
IEEE J. Solid State Circuits, 2018

A Single-Stage, Single-Inductor, 6-Input 9-Output Multi-Modal Energy Harvesting Power Management IC for 100µW-120MW Battery-Powered IoT Edge Nodes.
Proceedings of the 2018 IEEE Symposium on VLSI Circuits, 2018

An energy-efficient graphics processor featuring fine-grain DVFS with integrated voltage regulators, execution-unit turbo, and retentive sleep in 14nm tri-gate CMOS.
Proceedings of the 2018 IEEE International Solid-State Circuits Conference, 2018

A 99.2% Tracking Accuracy Single-Inductor Quadruple-Input-Quadruple-Output Buck-Boost Converter Topology with Periodical Interval Perturbation and Observation MPPT.
Proceedings of the IEEE Asian Solid-State Circuits Conference, 2018

2017
Postsilicon Voltage Guard-Band Reduction in a 22 nm Graphics Execution Core Using Adaptive Voltage Scaling and Dynamic Power Gating.
IEEE J. Solid State Circuits, 2017

A Fully Integrated Reconfigurable Self-Startup RF Energy-Harvesting System With Storage Capability.
IEEE J. Solid State Circuits, 2017

20.1 A digitally controlled fully integrated voltage regulator with on-die solenoid inductor with planar magnetic core in 14nm tri-gate CMOS.
Proceedings of the 2017 IEEE International Solid-State Circuits Conference, 2017

2016
Universal Current-Mode Control Schemes to Charge Li-Ion Batteries Under DC/PV Source.
IEEE Trans. Circuits Syst. I Regul. Pap., 2016

A Highly Efficient Reconfigurable Charge Pump Energy Harvester With Wide Harvesting Range and Two-Dimensional MPPT for Internet of Things.
IEEE J. Solid State Circuits, 2016

Enabling Wide Autonomous DVFS in a 22 nm Graphics Execution Core Using a Digitally Controlled Fully Integrated Voltage Regulator.
IEEE J. Solid State Circuits, 2016

8.4 Post-silicon voltage-guard-band reduction in a 22nm graphics execution core using adaptive voltage scaling and dynamic power gating.
Proceedings of the 2016 IEEE International Solid-State Circuits Conference, 2016

2015
Conductance Modulation Techniques in Switched-Capacitor DC-DC Converter for Maximum-Efficiency Tracking and Ripple Mitigation in 22 nm Tri-Gate CMOS.
IEEE J. Solid State Circuits, 2015

8.6 Enabling wide autonomous DVFS in a 22nm graphics execution core using a digitally controlled hybrid LDO/switched-capacitor VR with fast droop mitigation.
Proceedings of the 2015 IEEE International Solid-State Circuits Conference, 2015

A 0.4V∼1V 0.2A/mm<sup>2</sup> 70% efficient 500MHz fully integrated digitally controlled 3-level buck voltage regulator with on-die high density MIM capacitor in 22nm tri-gate CMOS.
Proceedings of the 2015 IEEE Custom Integrated Circuits Conference, 2015

2014
A 500 MHz, 68% efficient, fully on-die digitally controlled buck Voltage Regulator on 22nm Tri-Gate CMOS.
Proceedings of the Symposium on VLSI Circuits, 2014

Conductance modulation techniques in switched-capacitor DC-DC converter for maximum-efficiency tracking and ripple mitigation in 22nm Tri-gate CMOS.
Proceedings of the IEEE 2014 Custom Integrated Circuits Conference, 2014


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