A design of a 92.4% efficiency triple mode control DC–DC buck converter with low power retention mode and adaptive zero current detector for IoT/wearable …

YJ Park, JH Park, HJ Kim, H Ryu… - … on Power Electronics, 2016 - ieeexplore.ieee.org
This paper presents a retention/pulse frequency modulation (PFM)/pulse width modulation
(PWM) mode dc–dc buck converter with adaptive zero current detector (AZCD) and spread …

Analysis and design considerations of integrated 3-level buck converters

X Liu, PKT Mok, J Jiang, WH Ki - IEEE Transactions on Circuits …, 2016 - ieeexplore.ieee.org
This paper presents a systematic analysis of integrated 3-level buck converters under both
ideal and real conditions as a guidance for designing robust and fast 3-level buck …

A near-optimum 13.56 MHz CMOS active rectifier with circuit-delay real-time calibrations for high-current biomedical implants

C Huang, T Kawajiri, H Ishikuro - IEEE Journal of Solid-State …, 2016 - ieeexplore.ieee.org
In this paper, a near-optimum active rectifier is proposed to achieve well-optimized power
conversion efficiency (PCE) and voltage conversion ratio (VCR) under various process …

A high-frequency three-level buck converter with real-time calibration and wide output range for fast-DVS

X Liu, C Huang, PKT Mok - IEEE Journal of Solid-State Circuits, 2017 - ieeexplore.ieee.org
This paper presents a 50-MHz 5-V-input 3-Woutput three-level buck converter. A real-time
flying capacitor (CF) calibration is proposed to ensure a constant voltage of V g/2 across CF …

A 6.78-MHz single-stage wireless power receiver using a 3-mode reconfigurable resonant regulating rectifier

L Cheng, WH Ki, CY Tsui - IEEE Journal of Solid-State Circuits, 2017 - ieeexplore.ieee.org
A 6.78-MHz wireless power receiver using a 3-mode reconfigurable resonant regulating
rectifier for resonant wireless power transfer is presented. The proposed receiver improves …

A 100 MHz 82.4% efficiency package-bondwire based four-phase fully-integrated buck converter with flying capacitor for area reduction

C Huang, PKT Mok - IEEE Journal of Solid-State Circuits, 2013 - ieeexplore.ieee.org
In today's fully-integrated converters, the integrated LC components dominate the chip-area
and have become the major limitation of reducing the cost and increasing the current …

Fully Integrated Switched-Inductor-Capacitor Voltage Regulator With 0.82-A/mm2 Peak Current Density and 78% Peak Power Efficiency

N Tang, W Hong, B Nguyen, Z Zhou… - IEEE Journal of Solid …, 2020 - ieeexplore.ieee.org
Fully integrated voltage regulators (FIVRs) can improve the performance and reduce the
power consumption of a system-on-chip (SoC) by providing point-of-load voltage regulation …

Multiphase active energy recycling technique for overshoot voltage reduction in internet-of-things applications

JJ Lee, SH Yang, B Muniandi… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
Large supply voltage ripple will cause the Internet-of-Things (IoT) operation to fail.
Conventional bulky clamp circuit simply eliminates overshoot redundant energy but with …

A 10/30 MHz fast reference-tracking buck converter with DDA-based type-III compensator

L Cheng, Y Liu, WH Ki - IEEE Journal of Solid-State Circuits, 2014 - ieeexplore.ieee.org
A 10/30 MHz voltage-mode controlled buck converter with a wide duty-cycle range is
presented. A high-accuracy delay-compensated ramp generator using only low-speed …

An 18 V input 10 MHz buck converter with 125 ps mixed-signal dead time control

J Wittmann, A Barner, T Rosahl… - IEEE Journal of Solid …, 2016 - ieeexplore.ieee.org
A highly integrated synchronous buck converter with a predictive dead time control for input
voltages> 18 V with 10 MHz switching frequency is presented. A high resolution dead time …