Patent · US Active

Method and electronic regulator with a current measuring circuit for measuring the current by sense-FET and sigma-delta modulation

US8131439B2 · kind B2 · utility

2Cited by

1References

17Claims

0Family size

Assignee

Continental Teves AG & Co. OHG · DE

Inventors

Peter Oehler · Scheinfeld, DE
Axel Schmitz · Gommiswald, CH
Micha Heinz · Darmstadt, DE
Frank Michel · Rosbach, DE

Key dates

Filing date	Jan 9, 2007
Grant date	Mar 6, 2012
Priority date	—
Expiry date	Jan 21, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH02M3/1555
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electronic controller for motor vehicle control systems having at least one valve actuation circuit is described herein. The electronic controller uses pulse width modulation to control the load current (iL) flowing through an essentially inductive load (L), and has at least one electronic current measuring circuit which has at least one analog/digital converter which converts an analog measurement signal for the load current (iL) into a digital measurement signal for the load current (iL). The at least one analog/digital converter is a sigma-delta modulator. A method for measuring current using sigma-delta modulation and to the use of the electronic controller in a motor vehicle brake system is also described herein.

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