Hitachi RAS-18YH5 - IPM (Intelligent Power Module) Circuit

4. IPM (Intelligent Power Module)
Fig. 4-1 Intelligent power module circuit (U
+
is ON, V is ON)
IP limitter
¥ Fig.4-1 shows the intelligent power module and its peripheral circuit.
The three transistors on the positive E side are called the upper arm, and the three transistors on the
negative
D side, the lower arm.
E
EE
– 50 –