DC MOTOR MODULE AND POWER DRIVING DEVICE THEREOF
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United States of America Patent
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Issued Date -
Jul 3, 2014
app pub date -
Dec 19, 2013
filing date -
Dec 28, 2012
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Abstract
A power driving device includes six semiconductor switches and three reverse breakdown diodes. The semiconductor switches has a first end and a second end respectively, and the semiconductor switches are three upper arm semiconductor switches and three lower arm semiconductor switches, wherein end first ends of the upper arm semiconductor switches are electrically connected together, and the second ends electrically connected to each coil of a three-phase coil assembly; the second ends of the lower arm semiconductor switches electrically connected together, and the first ends electrically connected to the second ends of the upper arm semiconductor switches respectively; each diode has an anode and a cathode, wherein the anodes are electrically connected to the second ends of the upper semiconductor switches respectively, and the cathodes are electrically connected to the first ends of the upper arm semiconductor switches respectively.
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