A 0.18 µm CMOS LDO regulator for an on-chip sensor array impedance measurement system

Pérez-Bailón, J. (Universidad de Zaragoza) ; Márquez, A. (Universidad de Zaragoza) ; Calvo, B. (Universidad de Zaragoza) ; Medrano, N. (Universidad de Zaragoza)
A 0.18 µm CMOS LDO regulator for an on-chip sensor array impedance measurement system
Resumen: This paper presents a fully integrated 0.18 µm CMOS Low-Dropout (LDO) Voltage Regulator specifically designed to meet the stringent requirements of a battery-operated impedance spectrometry multichannel CMOS micro-instrument. The proposed LDO provides a regulated 1.8 V voltage from a 3.6 V to 1.94 V battery voltage over a -40 °C to 100 °C temperature range, with a compact topology (<0.10 mm2 area) and a constant quiescent current of only 7.45 µA with 99.985% current efficiency, achieving remarkable state-of-art Figures of Merit (FoMs) for the regulating-transient performance. Experimental measurements validate its suitability for the target application, paving the way towards the future achievement of a truly portable System on Chip (SoC) platform for impedance sensors.
Idioma: Inglés
DOI: 10.3390/s18051405
Año: 2018
Publicado en: Sensors (Switzerland) 18, 5 (2018), 1405 [17 pp]
ISSN: 1424-8220

Factor impacto JCR: 3.031 (2018)
Categ. JCR: INSTRUMENTS & INSTRUMENTATION rank: 15 / 61 = 0.246 (2018) - Q1 - T1
Categ. JCR: CHEMISTRY, ANALYTICAL rank: 23 / 84 = 0.274 (2018) - Q2 - T1
Categ. JCR: ELECTROCHEMISTRY rank: 12 / 26 = 0.462 (2018) - Q2 - T2

Factor impacto SCIMAGO: 0.592 - Analytical Chemistry (Q2) - Atomic and Molecular Physics, and Optics (Q2) - Medicine (miscellaneous) (Q2) - Electrical and Electronic Engineering (Q2) - Instrumentation (Q2) - Biochemistry (Q2)

Financiación: info:eu-repo/grantAgreement/ES/MINECO-FEDER/TEC2015-65750-R
Financiación: info:eu-repo/grantAgreement/ES/UZ/JIUZ-2016-TEC-06
Tipo y forma: Article (Published version)
Área (Departamento): Área Electrónica (Dpto. Ingeniería Electrón.Com.)

Creative Commons You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.


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