Patent ID: 11862094
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. A power management driver, comprising:
a first power supply configured to supply a first voltage to a first driving power terminal of a pixel through a power line during a sensing period, and supply a second voltage to the first driving power terminal of the pixel through the power line during a display period; and
a fault detector comprising a detected value extraction circuit, and configured to detect a current flowing through the power line to detect a fault in the power line during the sensing period,
wherein the first power supply comprises:
a digital-to-analog converter configured to output the first voltage based on a voltage of an input power;
a first switch coupled between the digital-to-analog converter and the power line, the first switch turned on in response to a first enable signal; and
a second switch coupled between the power line and a voltage source, to which the second voltage is supplied, the second switch turned on in response to a second enable signal.