DC-DC converter and control circuit with low-power clocked comparator referenced to switching node for zero voltage switching

S Bandyopadhyay, RA Neidorff - US Patent 10,141,845, 2018 - Google Patents
Primary Examiner—Brandon S Cole (74) Attorney, Agent, or Firm—Michael A. Davis, Jr.;
Charles A. Brill; Frank D. Cimino (57) ABSTRACT Disclosed examples provide DC-DC …

Discontinuous conduction mode of multi-level flying capacitor DC-DC converters and light-load digital controller

N Vukadinovic, A Prodic, BA Miwa… - 2017 IEEE 18th …, 2017 - ieeexplore.ieee.org
A comprehensive analysis of step-down multi-level flying capacitor converters in
discontinuous conduction mode of operation is presented, with the main goal of improving …

Adaptive boost driver charging circuit

JM Khayat, R Ramani, MG Amaro - US Patent 9,306,458, 2016 - Google Patents
(57) ABSTRACT A power circuit combination includes a series capacitor buck converter
including a first half-bridge including a first high side power switch (HSA), first low side …

Phase-shifting optimization for asymmetric inductors in multi-phase DC-DC converters

SA Wibowo, H Kobayashi, S Ozawa… - US Patent …, 2018 - Google Patents
(57) ABSTRACT A system is disclosed which provides the minimization of peak-to-peak
output voltage ripple in multi-phase DC-DC switching converters, with two or more different …

Methods and apparatus for adaptive timing for zero voltage transition power converters

S Bandyopadhyay, TM LaBella - US Patent 9,853,547, 2017 - Google Patents
An example apparatus includes a first switch having a control terminal, coupled to a voltage
source and coupled to a switch node; a second switch having a control terminal, coupled to …

Buck-boost converter and control circuit thereof

CY Chen - US Patent 9,577,531, 2017 - Google Patents
(57) ABSTRACT A buck-boost converter and a control circuit thereof are disclosed. When an
input voltage is close to an output Voltage (ie, the buck-boost converter operates in a buck …

Multi-phase converter

S Jiang, CY Chung, X Li - US Patent 10,141,849, 2018 - Google Patents
An apparatus that includes first and second parallel con verter branches, each parallel
converter branch including an input node, N output nodes, a plurality of switches, a …

Enhanced reverse boosting detection in a wireless charging scheme

D Wong, N Horovitz, YEN Ta-Tung, S Jung… - US Patent …, 2019 - Google Patents
Enhanced reverse boosting detection in a wireless charging scheme is disclosed. In some
implementations, a minimum mid-level input voltage regulation (VMID_MIN regulation) loop …

Multiple-phase switched-capacitor-inductor boost converter techniques

X Ke, M Chen - US Patent 10,811,971, 2020 - Google Patents
Techniques for multiple-phase, high-boost converters are provided. In an example, a
multiple-phase switched-capaci tor-inductor (MPSCI) boost converter can include a first …

Methods and apparatus for adaptive timing for zero voltage transition power converters

TM LaBella, MG Amaro, JA Morroni - US Patent 10,177,658, 2019 - Google Patents
Described examples include a method of controlling a power converter including executing
a plurality of cycles. Each cycle includes turning on a first switch during a first period, the first …