Ac-Ok-Detektionsschaltung und -Verfahren

Details

Veröffentlichungs-Nr.

EP3447880

Aktenzeichen

EP18181372

Anmeldetag

3. Juli 2018

Veröffentlichung

15. Februar 2023

Erteilung

15. Februar 2023

Rechtsraum

EP

IPC

H02J9/06G01R19/155

Abstract

According to one aspect, embodiments of the invention provide a power circuit comprising an input to receive input AC power from an AC source, an auxiliary charger configured to convert the input AC power from the input into DC power, a differential amplifier configured to be powered by the DC power from the auxiliary charger, to monitor the input AC voltage level of the input AC power, and to generate a sense signal based on a status of the input AC voltage level, and a processor coupled to the auxiliary charger and the differential amplifier, the processor configured to be coupled to an LPS, to be powered into a low power mode by the DC power from the auxiliary charger, and to analyze the sense signal from the differential amplifier in the low power mode of operation. According to one embodiment, the auxiliary charger is an offline DC-DC converter.

Anmelder

Firma

Schneider Electric IT Corporation

Land

🇺🇸 USA

Fachgebiete