Detection circuit and method for starting charging
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United States of America Patent
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Jan 2, 2018
Grant Date -
Mar 23, 2017
app pub date -
May 8, 2014
filing date -
Jan 28, 2014
priority date (Note) -
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Abstract
A detection circuit and a detection method for starting charging are provided. The detection circuit comprises a cell connector, a first controller, a second controller and a switch circuit. The first controller sends an anode contact signal, a cathode contact signal and an electric quantity signal received from the cell connector to the second controller; the second controller sends a start instruction to the first controller if a charging request signal is received, the anode of the cell is well contacted, the cathode of the cell is well contacted, and a voltage of the cell does not exceed a voltage threshold; the first controller sends a connection instruction to the switch circuit to control connection of a charging terminal and a cell terminal of the switch circuit, such that a charging adapter charges the cell through the switch circuit.
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