Automatic Threshold Adjustment for USB Power Delivery to Work with Cables Out of Specification

Automatic Threshold Adjustment for USB Power Delivery to Work with Cables Out of Specification

An apparatus includes a bi-phase mark coded (BMC) input port configured to receive BMC signals from a universal serial bus (USB) cable. The apparatus further includes a threshold adjustment circuit configured to generate a threshold, and a comparator configured to compare an input BMC signal from th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Asokan, Sandhya, Rajendran, Hari Kishore, Ghosh, Atish
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:An apparatus includes a bi-phase mark coded (BMC) input port configured to receive BMC signals from a universal serial bus (USB) cable. The apparatus further includes a threshold adjustment circuit configured to generate a threshold, and a comparator configured to compare an input BMC signal from the BMC input port and the threshold and based on the comparison, generate an adjusted input BMC signal. The threshold adjustment circuit is further configured to adjust the threshold based upon the input BMC signal.