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AN4043 bảng dữ liệu(PDF) 41 Page - STMicroelectronics

tên linh kiện AN4043
Giải thích chi tiết về linh kiện  In recent years the variable speed motor control market has required high performance
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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AN4043 bảng dữ liệu(HTML) 41 Page - STMicroelectronics

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AN4043
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Doc ID 022726 Rev 2
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Positive DC-link
Pin: P
●
This is a DC-link positive power supply pin of the inverter and it is internally connected
to the collectors of the high-side IGBTs
●
To suppress the surge voltage caused by the DC-link wiring or PCB pattern inductance,
connect a smoothing filter capacitor close to the P pin. Generally a 0.1 or 0.22 µF high
frequency, high voltage non-inductive capacitor is recommended.
Negative DC-link
Pins: NU, NV, NW
●
These are the DC-link negative power supply pins (power ground) of the inverter
●
These pins are connected to the low-side IGBT emitters of each phase
●
The power ground of the application should be separated from the logic ground of the
system and they should be reconnected at one specific point (star connection).
Inverter power output
Pins: U, V, W
●
Inverter output pins for connecting to the inverter load (e.g. motor).



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