Patent · US Active

Battery protecting circuit, battery protecting device, and battery pack

US9035620B2 · kind B2 · utility

3Cited by
0References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 27, 2012
Grant dateMay 19, 2015
Priority date
Expiry dateOct 9, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02J7/0031
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A disclosed battery protecting circuit includes a battery protecting IC powered by a voltage of a secondary battery; another battery protecting IC powered by a voltage of another secondary battery connected to the secondary battery in series; and a constant voltage output unit which receives a maximum voltage obtained by adding voltages of the secondary battery and the other secondary battery in series and outputs a constant voltage upon receipt of a control signal from an output terminal of the battery protecting IC or the other battery protecting IC.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.