Battery cell end of life and defect detection system

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United States of America Patent

PATENT NO 11360152
SERIAL NO

16051418

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Abstract

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An integrated circuit device includes a controller, an optional current source coupled to the controller, a voltage sampler coupled to the controller, a current detector coupled to the controller, and memory coupled to the controller, where memory includes code segments executable by the controller to: (a) apply a current pulse to a cell; (b) measure a voltage of the cell during the current pulse; (c) calculate an impedance of the cell from the measured voltage; and (d) determine an operational state of the cell from the impedance.

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Patent Owner(s)

  • MAXIM INTEGRATED PRODUCTS, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fasching, Rainer Mill Valley, US 33 889
Zerkalov, Georgy Santa Clara, US 12 17

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