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)

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: Artículo (Versión definitiva)

Área (Departamento): Área Electrónica (Dpto. Ingeniería Electrón.Com.)