Multiport power converter with load detection capabilities
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Jul 7, 2015
filing date -
Sep 24, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
Power converters are provided that convert alternating current (AC) power to direct current (DC) power. A power converter may have multiple ports. Each port may have an associated connector with multiple power and data terminals. When an electronic device is connected to a given port, the electronic device draws DC power from the power converter. To ensure that the capacity of the power converter is not exceeded when multiple devices are connected to the ports of the power converter, the power converter may actively monitor its ports for active loads. Load detection circuitry can determine what number of ports are active. Control circuitry can compute a per-port available DC power level based on the number of active ports and can provide this information to connected devices.
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