Readout circuits for capacitive sensors

Y Yoo, BD Choi - Micromachines, 2021 - mdpi.com
The development of microelectromechanical system (MEMS) processes enables the
integration of capacitive sensors into silicon integrated circuits. These sensors have been …

A±0.5-mV-minimum-input DC-DC converter with stepwise adiabatic gate-drive and efficient timing control for thermoelectric energy harvesting

EJ Carlson, JR Smith - … Transactions on Circuits and Systems I …, 2022 - ieeexplore.ieee.org
This paper presents a step-up DC-DC converter that uses a stepwise gate-drive technique to
reduce the power FET gate-drive energy by 82%, allowing positive efficiency down to an …

A parasitic insensitive high-frequency capacitance-to-voltage converter asic for dielectric measurements

SV Devaraj, MS Baghini - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
This article presents a capacitance-to-voltage (C2V) converter circuit for high-frequency
capacitance measurement. The circuit uses the sensor capacitor in a switched capacitor …

A Fully Dynamic Event-Driven Capacitive Sensor Interface Circuits Based on Self-Reconfigurable SAR Capacitance-to-Digital Conversion for High-Density Robotic …

Y Chen, T Cai, Y Kuang, J Dong… - IEEE Journal of Solid …, 2024 - ieeexplore.ieee.org
Covering robots entirely with electronic skins (e-skins) has been a long-term aspiration.
However, the number and density of the tactile sensors are limited by factors such as routing …

Energy efficient startup of crystal oscillators using stepwise charging

JB Lechevallier, HS Bindra… - IEEE journal of solid …, 2021 - ieeexplore.ieee.org
Crystal oscillators can be started up quickly by using energy injection techniques. However,
the generation of the injection waveform, as well as driving the large capacitive load formed …

A-24 dB in-band noise-immunity mutual capacitance readout system for variable refresh rate of active-matrix OLED display

SH Ko - IEEE Transactions on Circuits and Systems I: Regular …, 2019 - ieeexplore.ieee.org
This paper describes the design of a touch screen panel (TSP) readout IC having an in-band
noise immunity. The proposed IC employs a cascaded spread spectrum TSP driving scheme …

A 50.7-dB-DR finger-resistance extracting multi-touch sensor IC for soft classification of fingers contacted on 6.7-in capacitive touch screen panel

TG Song, DK Kim, JH Cho, JH Lee… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
This article presents multi-touch readout IC embedding finger-resistance extraction (FRE) on
a capacitive touch screen panel (TSP). The proposed FRE mode is aimed to have the ability …

Robust touch screen readout system to display noise using multireference differential sensing scheme for flexible AMOLED display

J Lee, H Kim, J Ham, S Ko - Micromachines, 2022 - mdpi.com
This paper presents a front-end architecture for touch screen panel (TSP) readout in a TSP-
integrated, ultrathin flexible display to mitigate severe display noise interference, which is an …

A Fully Differential Direct Sampling Touch Screen Readout With a Touch Vector Calibration for Ultrathin Organic Light-Emitting Diode Display

S Seong, S Lee, S Bae, M Lee - IEEE Transactions on Industrial …, 2023 - ieeexplore.ieee.org
This article presents a touch screen panel (TSP) readout IC (ROIC) for an ultrathin organic
light-emitting diode (OLED) display, where display noise injection is severely increased. We …

An analytical model for stepwise adiabatic driver energy consumption

EJ Carlson, JR Smith - arXiv preprint arXiv:2210.16680, 2022 - arxiv.org
This paper presents a complete closed-form analytical model for determining the per-cycle
energy consumption of stepwise adiabatic drivers used for driving a capacitive load such as …