Electronic device and over-current protection circuit thereof
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
May 18, 2015
filing date -
Jan 31, 2015
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Abstract
An over-current protection circuit includes a first connector, a first current measuring unit, a first switch unit, a first resistor unit, and a second connector. The first connector is electrically coupled to a power supply unit (PSU). When a current of the first resistor unit measured by the first current measuring unit is less than a first reference value, the first switch unit is turned on, and the second connector receives a first power supply from the PSU. When the current of the first resistor unit measured by the first current measuring unit is greater than or equal to the first reference value, the first switch unit is turned off, and the second connector does not receive the first power supply from the PSU.
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