Patent · US Active

Power supply with digital control loop

US8462937B2 · kind B2 · utility

2Cited by

2References

16Claims

0Family size

Assignee

Silicon Laboratories Inc. · US

Inventors

Riad Wahby · Austin, US
Michael J. Mills · Plano, US
Jeffrey A. Whaley · Dripping Springs, US
Marius Goldenberg · Austin, US
Ion C. Tesu · Austin, US

Key dates

Filing date	Apr 1, 2008
Grant date	Jun 11, 2013
Priority date	—
Expiry date	Sep 7, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH04M19/001
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

One embodiment of a power supply apparatus includes a first switcher coupled to provide VOUT from a VSUPPLY. A cascaded second switcher is coupled to provide a subscriber line interface circuit target VBAT from VOUT, wherein the first switcher is placed in one of an active mode and an inactive mode in accordance with a function of VSUPPLY and VBAT, wherein in the active modewherein in the inactive mode VOUT≈VSUPPLY.

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