SWITCHED-MODE POWER SUPPLY CHARGERS WITH FAULT DETECTION RELATED TO LIMITED POWER SOURCE PROTECTION
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United States of America Patent
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Issued Date -
Jun 20, 2024
app pub date -
Dec 19, 2023
filing date -
Dec 19, 2023
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Abstract
Fast charging protocol controller and method thereof. For example, a fast charging protocol controller for a power supply charger includes: a first transistor voltage-drop detector configured to detect a first transistor voltage drop from a first drain of a first transistor to a first source of the first transistor, the first transistor being configured to provide an output current of the power supply charger and an output voltage of the power supply charger; a resistor voltage-drop detector configured to detect a resistor voltage drop from a first resistor terminal of a first resistor to a second resistor terminal of the first resistor, the first resistor being configured to receive a resistor current that is equal to the output current in magnitude; and a logic controller coupled to the first transistor voltage-drop detector and the resistor voltage-drop detector.
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