Christopher Schaef

Publication Activity (10 Years)

Years Active: 2015-2024
Publications (10 Years): 13

Top Topics

Fully Integrated

Top Venues

IEEE J. Solid State Circuits

VLSI Technology and Circuits

Publications

Rinkle Jain, Shunjiang Xu, Rajiv Kaushal, Carlos Mariscal, Humberto Caballero, Tamir Salus, Christopher Schaef, Anup Deka, Aruna Payala, Keng Chen, Huong Do, Jonathan Douglas
28.6 An 87% Efficient 2V-Input, 200A Voltage Regulator Chiplet Enabling Vertical Power Delivery in Multi-kW Systems-on-Package. ISSCC (2024)
Nachiket V. Desai, Harish K. Krishnamurthy, Suhwan Kim, Christopher Schaef, Sheldon Weng, Beomseok Choi, William J. Lambert, Krishnan Ravichandran, James W. Tschanz, Vivek De
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. VLSI Technology and Circuits (2022)
Christopher Schaef, Tamir Salus, Rachid Rayess, Siddarth Kulasekaran, Mat Manusharow, Kaladhar Radhakrishnan, Jonathan Douglas
Fully Integrated Multi-Phase Voltage Regulator with 91.5% Peak Efficiency at 1.8 to 1V, Operating at 50MHz and Featuring a Digitally Assisted Controller with Automatic Phase Shedding and Soft Switching in 4nm Class FinFET CMOS. ISSCC (2022)
Nachiket V. Desai, Han Wui Then, Jingshu Yu, Harish K. Krishnamurthy, William J. Lambert, Nicolas Butzen, Sheldon Weng, Christopher Schaef, Kaladhar Radhakrishnan, Krishnan Ravichandran, James W. Tschanz, Vivek De
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 57 (4) (2022)
Nachiket V. Desai, Harish K. Krishnamurthy, William Lambert, Jingshu Yu, Han Wui Then, Nicolas Butzen, Sheldon Weng, Christopher Schaef, N. Nidhi, Marko Radosavljevic, Johann Rode, Justin Sandford, Kaladhar Radhakrishnan, Krishnan Ravichandran, Bernhard Sell, James W. Tschanz, Vivek De
A 32A 5V-Input, 94.2% Peak Efficiency High-Frequency Power Converter Module Featuring Package-Integrated Low-Voltage GaN NMOS Power Transistors. VLSI Circuits (2021)
Xiaosen Liu, Harish K. Krishnamurthy, Taesik Na, Sheldon Weng, Khondker Z. Ahmed, Christopher Schaef, Krishnan Ravichandran, James W. Tschanz, Vivek De
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 56 (8) (2021)
Zakir Zakir Ahmed, Harish K. Krishnamurthy, Sheldon Weng, Xiaosen Liu, Christopher Schaef, Nachiket V. Desai, Krishnan Ravichandran, James W. Tschanz, Vivek De
An Autonomous Reconfigurable Power Delivery Network (RPDN) for Many-Core SoCs Featuring Dynamic Current Steering. VLSI Circuits (2020)
Christopher Schaef, Sheldon Weng, Beomseok Choi, William Lambert, Kaladhar Radhakrishnan, Krishnan Ravichandran, James W. Tschanz, Vivek De
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. ISSCC (2019)
Christopher Schaef, Kaladhar Radhakrishnan, Krishnan Ravichandran, James W. Tschanz, Vivek De, Nachiket V. Desai, Harish K. Krishnamurthy, Xiaosen Liu, Khondker Zakir Ahmed, Suhwan Kim, Sheldon Weng, Huong Do, William Lambert
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 54 (12) (2019)
Christopher Schaef, Nachiket V. Desai, Harish Krishnamurthy, Sheldon Weng, Huong Do, William Lambert, Kaladhar Radhakrishnan, Krishnan Ravichandran, James W. Tschanz, Vivek De
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. ISSCC (2019)
Suhwan Kim, Vaibhav A. Vaidya, Christopher Schaef, Andrew Lines, Harish Krishnamurthy, Sheldon Weng, Xiaosen Liu, Dileep Kurian, Tanay Karnik, Krishnan Ravichandran, James W. Tschanz, Vivek De
A Single-Stage, Single-Inductor, 6-Input 9-Output Multi-Modal Energy Harvesting Power Management IC for 100µW-120MW Battery-Powered IoT Edge Nodes. VLSI Circuits (2018)
Christopher Schaef, Eric Din, Jason T. Stauth
10.2 A digitally controlled 94.8%-peak-efficiency hybrid switched-capacitor converter for bidirectional balancing and impedance-based diagnostics of lithium-ion battery arrays. ISSCC (2017)
Christopher Schaef, Eric Din, Jason T. Stauth
A Hybrid Switched-Capacitor Battery Management IC With Embedded Diagnostics for Series-Stacked Li-Ion Arrays. IEEE J. Solid State Circuits 52 (12) (2017)
Christopher Schaef, Jason T. Stauth
A 3-Phase Resonant Switched Capacitor Converter Delivering 7.7 W at 85% Efficiency Using 1.1 nH PCB Trace Inductors. IEEE J. Solid State Circuits 50 (12) (2015)
Christopher Schaef, Kapil Kesarwani, Jason T. Stauth
using 1.1nH PCB-trace inductors. ISSCC (2015)