ISSCC 2026
Session 19
AI / ML
A Fully Integrated Bidirectional 5-Level Isolated DC-DC Converter with 42.5% Efficiency and 170mW/mm2 Transformer Power Density
Abstract This work presents a bidirectional 5kV-isolated DC-DC converter, fully-integrated in a 180nm SOI CMOS process. The design uses a distributed multi-winding transformer to maximize utilization of the standard on-c
ISSCC 2023
Session 30
Power Management
A 3.7V-to-1kV Chip-Cascaded Switched-Capacitor Converter with Auxiliary Boost Achieving >96% Reactive Power Efficiency for Electrostatic Drive Applications
This work presents a high voltage drive system for electrostatic and piezoelectric (PZT) actuators used for small-scale electromechanical applications, e.g. microrobotics and haptics. Such systems are notoriously challen
ISSCC 2022
Session 18
Power Management
A Monolithic 3:1 Resonant Dickson Converter with Variable Regulation and Magnetic-Based Zero-Current Detection and Autotuning
In the last decade, hybrid and resonant switched-capacitor (SC) converters have gone from a relatively unexplored concept to one that is gaining widespread adoption in a range of applications [1]. However, despite capabi
ISSCC 2021
Session 33
Wireless
A Decentralized Daisy-Chain-Controlled Switched-Capacitor Driver for Microrobotic Actuators with 10× Power-Reduction Factor and Over 300V Drive Voltage
Electrostatic and piezoelectric actuators are used in a number of mm- and cm-scale robotic applications due to their relatively high energy-density at small size and weight [1-3]. Such transducers typically require high
ISSCC 2021
Session 17
Power Management
A Two-Stage Cascaded Hybrid Switched-Capacitor DC-DC Converter with 96.9% Peak Efficiency Tolerating 0.6V/µs Input Slew Rate During Startup
Efficient high-conversion-ratio power delivery is needed for many portable computing applications which require sub-volt supply rails but operate from batteries or USB power sources. In such applications, the power manag
ISSCC 2020
Session 11
Power Management
A Fully Integrated Resonant Switched-Capacitor Converter with 85.5% Efficiency at 0.47W Using On-Chip Dual-Phase Merged-LC Resonator
Fully integrated power management is important for a variety of applications spanning performance and mobile computing, embedded systems, and communications. However, monolithic integration has been elusive due to the li
ISSCC 2017
Session 10
Power Management
A Digitally Controlled 94.8%-Peak-Efficiency Hybrid Switched-Capacitor Converter for Bidirectional Balancing and Impedance-Based Diagnostics of Lithium-Ion Battery Arrays
Intel, Hillsboro, OR 3 Hive Battery, Seattle, WA 1 2 With the growing adoption of electrified transportation and need for active storage in the electrical grid, electrochemical energy storage has become increasingly impo
ISSCC 2015
Session 20
Power Management
A Variable-Conversion-Ratio 3-Phase Resonant Switched Capacitor Converter with 85% Efficiency at 0.91W/mm2 Using 1.1nH PCB-Trace Inductors
Switched-capacitor (SC) converters have shown significant promise for monolithic integration in a variety of mobile computing applications due to the relatively high energy-densities of modern capacitor technologies and
ISSCC 2014
Session 4
Power Management
A 2-Phase Resonant Switched-Capacitor Converter Delivering 4.3W at 0.6W/mm2 with 85% Efficiency
There is an increasing need for fully integrated power converters to reduce form factor in mobile devices and provide high-density point-of-load power delivery in performance computing applications [1]. While the number
ISSCC 2012
Session 5
Power Management
A High-Voltage CMOS IC and Embedded System for Distributed Photovoltaic Energy Optimization with Over 99% Effective Conversion Efficiency and Insertion Loss Below 0.1%
Solar Semiconductor, Sunnyvale, CA 1 2 Solar photovoltaic (PV) energy has increased in importance in recent years as a viable alternative to carbon-producing sources of energy. In an effort to drive PV energy towards gri