ISSCC 2023
Session 30
Power Management
A 90%-Efficiency 40.68MHz Single-Stage Dual-Output Regulating Rectifier with ZVS and Synchronous PFM Control for Wireless Powering
Wireless power transfer (WPT) is a common non-intrusive approach to power implantable biomedical devices. In the WPT system, a tens-of-milliwatt power receiver (RX) should offer a small form factor and is preferred to pr
ISSCC 2023
Session 20
Power Management
A Condition-Adaptive ∆f3-EMI Control GaN Switching Regulator With Modulation Frequency Envelope Tracking For Full-Spectrum Automotive CISPR 25 Compliance
Texas Instruments, Dallas, TX 1 2 As the fastest growing sector of global IC market, automotive IC industry advances quickly toward record high levels of electrification, communication, sensing and autonomous driving. A
ISSCC 2022
Session 18
Power Management
A 2−5MHz Multiple DC Output Hybrid Boost Converter with Scalable CR Boosting Scheme Achieving 91% Efficiency at a Conversion Ratio of 12
High conversion-ratio (CR) DC-DC boost converters are essential for LED backlighting in smartphone and tablet displays. For realizing a high CR, a conventional boost (CB) converter [1] shown in Fig. 18.7.1 would use a la
ISSCC 2022
Session 14
Wireless
A 2.5−5MHz 87% Peak Efficiency 48V-to-1V Integrated Hybrid DC-DC Converter Adopting Ladder SC Network with CapacitorAssisted Dual-Inductor Filtering
With the rapid developments in big data analytics, non-isolated 48V-to-1V converters offer a competitive choice to support the increased power consumptions in CPUs and memories. For realizing a small output-to-input conv
ISSCC 2020
Session 11
Power Management
A 48-to-80V Input 2MHz Adaptive ZVT-Assisted GaNBased Bus Converter Achieving 14% Light-Load Efficiency Improvement
In modern hybrid electric vehicles, wide-input-range intermediate bus converters (IBCs) are essential in 48V power systems [1]. To increase the power efficiency, e-mode GaN FETs have been adopted in the IBCs [2, 3], as t
ISSCC 2020
Session 11
Power Management
A Direct 12V/24V-to-1V 3W 91.2%-Efficiency Tri-State DSD Power Converter with Online VCF Rebalancing and In-Situ Precharge Rate Regulation
Texas Instruments, Santa Clara, CA 1 2 In industrial and automotive applications, 12V/24V power systems are widely used. In such systems, high step-down DC-DC converter is highly desirable to deliver a wide range of curr
ISSCC 2019
Session 15
Wireless
An 8.3MHz GaN Power Converter Using Markov Continuous RSSM for 35dBμV Conducted EMI Attenuation and One-Cycle TON Rebalancing for 27.6dB VO Jittering Suppression
GaN power switches have gained fast-growing popularity in power electronics. With a similar RDS_ON resistance, they boast 2-to-3-order lower gate capacitance than silicon counterparts, making them highly desirable in hig
ISSCC 2019
Session 15
Wireless
A 10MHz i-Collapse Failure Self-Prognostic GaN Power Converter with TJ-Independent In-Situ Condition Monitoring and Proactive Temperature Frequency Scaling
With superior figure of merits, GaN switchs are highly anticipated to replace MOSFETs in high-performance power circuits [1,2]. However, GaN technology today still faces formidable reliability challenges [3]. While GaN de
ISSCC 2018
Session 24
Other
A 2MHz 150-to-400V Input Isolated DC-DC Bus Converter with Monolithic Slope-Sensing ZVS Detection Achieving 13ns Turn-On Delay and 1.6W Power Saving
Texas Instruments, Santa Clara, CA 1 2 The growing development of industrial power supplies demands DC-DC converters that are increasingly efficient and reliable. Industrial bus supplies that operate from a front-end PFC
ISSCC 2017
Session 28
Data Converters
A 12b 330MS/s Pipelined-SAR ADC with PVTStabilized Dynamic Amplifier Achieving <1dB SNDR Variation
Texas Instruments, Dallas, TX 1 2 In high-speed pipeline or pipelined-SAR ADCs, conventional opamp-based residue amplifiers consume significant amounts of power due to stringent settling speed and accuracy requirements.
ISSCC 2017
Session 25
Other
A 10MHz 3-to-40V VIN Tri-Slope Gate Driving GaN DC-DC Converter with 40.5dBμV Spurious Noise Compression and 79.3% Ringing Suppression for Automotive Applications
applications, DC-DC converters are widely employed [1]. However, size and thermal limits have made it challenging to continue using standard CMOS-based converters. Gallium Nitride (GaN) FETs, on the other hand, have a mu
ISSCC 2017
Session 25
Other
A 50.7% Peak Efficiency Subharmonic Resonant Isolated Capacitive Power Transfer System with 62mW Output Power for Low-Power Industrial Sensor Interfaces
industrial system reliability in hostile environments. They are exposed to destructive surge voltages, which are caused by ground current spikes from operation transitions of machinery and motor drives, endangering circu
ISSCC 2017
Session 22
Wireless
A 93%-Power-Efficiency Photovoltaic Energy Harvester with Irradiance-Aware Auto-Reconfigurable MPPT Scheme Achieving >95% MPPT Efficiency Across 650μW to 1W and 2.9ms FOCV MPPT Transient Time
With more and more functions in modern battery-powered mobile devices, enabling light-harvesting in the power management system can extend battery usage time [1]. For both indoor and outdoor operations of mobile devices,
ISSCC 2017
Session 10
Power Management
A 25MHz 4-Phase SAW Hysteretic DC-DC Converter with 1-Cycle APC Achieving 190ns tsettle to 4A Load Transient and Above 80% Efficiency in 96.7% of the Power Range
Switching power converters with fast load transients are crucial for application processors (APs) to facilitate system-level power adaptability with high current slew rate. While current-mode hysteretic control has been
ISSCC 2016
Session 16
Other
A 3-to-40V 10-to-30MHz Automotive-Use GaN Driver with Active BST Balancing and VSW DualEdge Dead-Time Modulation Achieving 8.3% Efficiency Improvement and 3.4ns Constant Propagation Delay
automotive electronics has placed mounting pressure on silicon-based power converters to be increasingly reliable and efficient. Automotive electronics operate from the car battery (VIN) which experiences cold-cranks and