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Radiation-Hardened Bandgap Voltage and Current Reference for Space Applications with 2.38 ppm/ºC Temperature Coefficient

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dc.contributor.authorLourenço, N.
dc.contributor.authorPassos, F.
dc.contributor.authorVieira, R.
dc.contributor.authorHorta, N.
dc.contributor.authorGuilherme, J.
dc.contributor.authorPóvoa, R.
dc.date.accessioned2025-09-18T13:41:54Z
dc.date.available2025-09-18T13:41:54Z
dc.date.issued2022
dc.description.abstractThis paper describes a radiation-hardened bandgap voltage reference (BGR) for space applications. The BGR has a second-order curvature compensation and can deliver a stable output voltage and current for N-type and P-type loads through internal resistors or, optionally, through an external precision resistor. The circuit includes three 8-bit trimming resistive ladders for post-fabrication calibration of the temperature compensation slope, output voltage, and output current value. The circuit is designed for reliable performance in space application, considering process, voltage, and temperature variations and the impact of single-event transients and total ionizing dose. The BGR was designed in a 180 nm silicon-oninsulator CMOS technology, using radiation-hardened devices to provide a 1.25 V reference voltage and a 20 μA current reference, and occupies a 920×430 μm2 area. After trimming, the nominal post-layout simulation over the temperature range of -40 to 125°C shows the BGR achieving a 2.7 ppm/°C temperature coefficient, 6.13 ppm/°C in the worst case.eng
dc.identifier.citationN. Lourenço et al., "Radiation-Hardened Bandgap Voltage and Current Reference for Space Applications with 2.38 ppm/°C Temperature Coefficient," 2022 18th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), Villasimius, Italy, 2022, pp. 1-4
dc.identifier.doi10.1109/SMACD55068.2022.9816300
dc.identifier.ismn9781665467032
dc.identifier.urihttp://hdl.handle.net/10400.26/58721
dc.language.isoeng
dc.peerreviewedyes
dc.publisherIEEE
dc.relation.hasversionhttps://ieeexplore.ieee.org/document/9816300
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectAerospace Electronics
dc.subjectBandgap Voltage Reference
dc.subjectCurvature Compensation
dc.subjectRadiation Hardened Electronics
dc.subjectReliable Electronic Design
dc.subjectTemperature Coefficient
dc.titleRadiation-Hardened Bandgap Voltage and Current Reference for Space Applications with 2.38 ppm/ºC Temperature Coefficienteng
dc.typeconference proceedings
dspace.entity.typePublication
oaire.citation.conferenceDate2022-06-12
oaire.citation.conferencePlaceVillasimius, Itália
oaire.citation.endPage4
oaire.citation.startPage1
oaire.citation.titleProceedings - 2022 18th International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design, SMACD 2022
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85

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