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Article

An ASIC-Based Miniaturized System for Online Multi-Measurand Monitoring of Lithium-Ion Batteries

1
Department of Information Engineering, University of Pisa, 56122 Pisa, Italy
2
Sensichips srl, 04011 Aprilia, Italy
3
Department of Electrical and Information Engineering, University of Cassino and Southern Lazio, 03043 Cassino, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Mauro Francesco Sgroi
Batteries 2021, 7(3), 45; https://doi.org/10.3390/batteries7030045
Received: 27 May 2021 / Revised: 30 June 2021 / Accepted: 1 July 2021 / Published: 5 July 2021
(This article belongs to the Special Issue Lithium-Ion Batteries Aging Mechanisms II)
To better asses the ageing and to reduce the hazards involved in the use of Lithium-Ion Batteries, multi-measurand monitoring units and strategies are urged. In this paper, a Cell Management Unit, based on the SENSIPLUS chip, a recently introduced multichannel, multi-mode sensor interface, is described. SENSIPLUS is a single System on a Chip combined with a reduced number of external components, resulting in a highly miniaturized device, built on 20 × 8 mm2 printed circuit board. Thanks to SENSIPLUS’ versatility, the proposed system is capable of performing direct measurements (EIS, cell voltage) on the cell it is applied to, and reading different kinds of sensors. The SENSIPLUS versatile digital communication interface, combined with a digital isolator, enable connection of several devices to a single bus for parallel monitoring a large number of cells connected in series. Experiments performed by connecting the proposed system to a commercial Lithium-Ion Battery and to capacitive and resistive sensors are described. In particular, the capability of measuring the cell internal impedance with a resolution of 120 μΩ is demonstrated. View Full-Text
Keywords: lithium-ion batteries; System on a Chip; Cell Management Unit; electrochemical impedance spectroscopy; multi-measurand acquisition system lithium-ion batteries; System on a Chip; Cell Management Unit; electrochemical impedance spectroscopy; multi-measurand acquisition system
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MDPI and ACS Style

Manfredini, G.; Ria, A.; Bruschi, P.; Gerevini, L.; Vitelli, M.; Molinara, M.; Piotto, M. An ASIC-Based Miniaturized System for Online Multi-Measurand Monitoring of Lithium-Ion Batteries. Batteries 2021, 7, 45. https://doi.org/10.3390/batteries7030045

AMA Style

Manfredini G, Ria A, Bruschi P, Gerevini L, Vitelli M, Molinara M, Piotto M. An ASIC-Based Miniaturized System for Online Multi-Measurand Monitoring of Lithium-Ion Batteries. Batteries. 2021; 7(3):45. https://doi.org/10.3390/batteries7030045

Chicago/Turabian Style

Manfredini, Giuseppe, Andrea Ria, Paolo Bruschi, Luca Gerevini, Michele Vitelli, Mario Molinara, and Massimo Piotto. 2021. "An ASIC-Based Miniaturized System for Online Multi-Measurand Monitoring of Lithium-Ion Batteries" Batteries 7, no. 3: 45. https://doi.org/10.3390/batteries7030045

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