Hitachi RAS-10JH4 - IPM Diagnosis Details; Reference

4. IPM (Intelligent Power Module)
• Fig.4-1 shows the intelligent power module and its peripheral circuit.
The three transistors on the positive side are called the upper arm, and the three transistors on the
negative
狹
狷
side, the lower arm.
Fig. 4-1 Intelligent power module circuit (U
+
is ON, V is ON)
IP limitter
EEE
−
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