Patent · US Active

Latch charge pump with equalization circuit

US8405450B2 · kind B2 · utility

4Cited by
10References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 15, 2010
Grant dateMar 26, 2013
Priority date
Expiry dateMar 10, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02M3/077
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A charge pump including first and a second charge-pump stages electrically coupled, four pump capacitors connected between two enable terminals and four internal nodes, two pump transistors connected to the pump capacitors and to the internal nodes, and having respective control terminals, two biasing capacitors, connected between the control terminals and the enable terminals, and an equalization circuit connected between the control terminals and structured to limit the voltage between the control terminals within a first range of values.

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