Recommended Wiring Method Around Shunt Resistor - Mitsubishi Electric PSS**S72FT Manual

Dual-in-line package intelligent power module
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<Dual-In-Line Package Intelligent Power Module>
1200V Mini DIPIPM with BSD Series APPLICATION NOTE

3.1.7 Recommended Wiring Method around Shunt Resistor

External shunt resistor is employed to detect short-circuit accident. A longer wiring between the shunt
resistor and DIPIPM causes so much large surge that might damage built-in IC. To decrease the pattern
inductance, the wiring between the shunt resistor and DIPIPM should be as short as possible and using low
inductance type resistor such as SMD resistor instead of long-lead type resistor.
Fig.3-1-10 Wiring instruction (In the case of using with one shunt resistor)
Fig.3-1-11 Wiring instruction (In the case of using with three shunt resistors)
Publication Date: September 2015
DIPIPM
NU
NV
V
NW
NC
DIPIPM
NU
NV
V
NC
NW
NU, NV, NW should be connected each other at near terminals.
It is recommended to make the inductance of this part
(including the shunt resistor) under 10nH.
e.g.
Inductance of copper pattern (width=3mm,
length=17mm) is about 10nH.
N1
Shunt resistor
Connect GND wiring from V
resistor terminal as close as possible.
It is recommended to make the inductance of each
phase (including the shunt resistor) under 10nH.
e.g.
Inductance of copper pattern (width=3mm,
length=17mm) is about 10nH.
N1
Connect GND wiring from V
Shunt resistors
resistor terminal as close as possible.
33
terminal to the shunt
NC
terminal to the shunt
NC

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