Low-power Type-C receiver with high idle noise and DC-level rejection
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United States of America Patent
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Jan 29, 2019
Grant Date -
Apr 5, 2018
app pub date -
Oct 18, 2017
filing date -
Jun 19, 2015
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Abstract
Techniques for low-power USB Type-C receivers with high DC-level shift tolerance are described herein. In an example embodiment, a USB-enabled device comprises a receiver circuit coupled to a Configuration Channel (CC) line of a USB Type-C subsystem. The receiver circuit is configured to receive data from an incoming signal on the CC line even when the incoming signal has more than 250 mV of DC offset with respect to local ground, and to operate in presence of a VBUS charging current that is specified in a USB-PD specification.
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