Patent · US Active

Current sense apparatus and method

US10516296B2 · kind B2 · utility

1Cited by

1References

20Claims

0Family size

Assignee

x2 Power Technologies Limited · KY

Inventors

Sichao Liu · Shanghai, CN
Jinbiao Huang · Nashua, US
Dongdong Yuan · 安丰镇, CN

Key dates

Filing date	Feb 8, 2018
Grant date	Dec 24, 2019
Priority date	—
Expiry date	Jul 8, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG01R19/32
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A device comprises a positive current sense apparatus having two inputs connected to a drain and a source of a power switch respectively, the positive current sense apparatus comprising a first amplifier, a first sense switch and a second sense switch, a negative current sense apparatus having two inputs connected to the drain and the source of the power switch respectively, the negative current sense apparatus comprising a second amplifier, a third sense switch and a fourth sense switch and a current sense processing apparatus connected to the positive current sense apparatus and the negative current sense apparatus respectively.

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