BM63763S-VA_17 Datasheet, PDF (14/24 Pages) Rohm – 600V IGBT Intelligent Power Module (IPM)

BM63763S-VA BM63763S-VC
9) One-shunt Resistor Drive
NU, NV, NW should be all connected each other at nearest pins.
IPM
NU
NV
GND
NW
RC filter
Wiring inductance should be less than 10nH.
(Inductance of a copper pattern with length=17mm, width=3mm is about 10nH.)
N
Wiring from GND pin should be connected close
to the pin of shunt resistor.
Wiring from shunt resistor to RC filter should be connected
near the pin of shunt resistor.
Low inductance shunt resistor like surface mounted (SMD) type is recommended.
Figure 15. Wiring Pattern around the Shunt Resistor when Operating with One-shunt Resistor
10) Three-shunt Resistors Drive
・It is not recommended to input the voltage of each shunt resistor directly to the CIN pin when IPM is operated with three
shunt resistor. In that case, it is necessary to use the external protection circuit as below.
・It is necessary to set the time constant Ruff(1.0µs to 2.0µs is recommended) of external comparator input so that IGBT
stops within 2µs when short circuit occurs. Please confirm operation on the actual application since SCP shutdown time
changes depending on the PCB wiring pattern.
・It is recommended for the threshold voltage VREF to be set to the same rating of short circuit trip level(VSC=0.48V(Typ))
・To prevent malfunction, the wiring of A, B, C should be as short as possible.
・OR output high level when protection works should be 0.53V(maximum VSC rating) to 7V(CIN absolute maximum rating).
IPM
CIN
NU
NV
GND
NW
Wiring inductance should be less than 10nH.
(Inductance of a copper pattern with length=17mm, width=3mm is about 10nH.)
External protection circuit
C
N
Wiring from GND pin should be connected close
to the pin of shunt resistor.
A
Rf
B
-
5V
Cf
+
Wiring from shunt resistor to
RC filter should be connected
closet to the pin of shunt
resistor.
-
+
-
VREF +
Comparator
(Open collector type)
OR output
Figure 16. Wiring Pattern around the Shunt Resistor when operating with Three-shunt Resistors
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TSZ22111・15・001
14/20
TSZ02201-0747AB500050-1-2
20.Jun.2017 Rev.005