Circuit arrangement and operating method
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United States of America Patent
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Nov 14, 2017
Issued Date -
N/A
app pub date -
Dec 2, 2014
filing date -
Dec 4, 2013
priority date (Note) -
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Abstract
A circuit arrangement (1) for operating an electric machine. The circuit arrangement (1) includes at least one high-voltage half-bridge circuit (2), which has a high-side semiconductor switch (3) and a low-side semiconductor switch (4). In each case one gate driver (5, 6) is assigned to the semiconductor switches (3, 4) for actuating said semiconductor switches, and includes a low-voltage controller (7), which actuates the gate drivers (5, 6). A high-voltage controller (11) senses output signals (AS) of the gate drivers (5, 6) and transmits at least the sensed output signals (AS) to the low-voltage controller (7) using a data bus (12).
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