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PS21869-P Datasheet(PDF) 8 Page - Mitsubishi Electric Semiconductor |
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PS21869-P Datasheet(HTML) 8 Page - Mitsubishi Electric Semiconductor |
8 / 10 page MITSUBISHI SEMICONDUCTOR <Dual-In-Line Package Intelligent Power Module> PS21869-P/AP TRANSFER-MOLD TYPE INSULATED TYPE Jul. 2005 Error output Fo Output current Ic Control supply voltage VD Protection circuit state Control input b1 b2 b3 b4 b5 RESET RESET UVDt UVDr SET b6 b7 Protection circuit state Lower-arms control input Error output Fo Sense voltage of the shunt resistor Output current Ic Internal IGBT gate SC reference voltage CR circuit time constant DELAY a5 a8 a4 a3 a1 a2 SC RESET SET a7 a6 Fig. 7 TIMING CHARTS OF THE DIP-IPM PROTECTIVE FUNCTIONS [A] Short-Circuit Protection (Lower-arms only with the external shunt resistor and CR filter) a1. Normal operation : IGBT ON and carrying current. a2. Short circuit current detection (SC trigger). a3. IGBT gate hard interruption. a4. IGBT turns OFF. a5. FO timer operation starts : The pulse width of the FO signal is set by the external capacitor CFO. a6. Input “L” : IGBT OFF. a7. Input “H” : IGBT ON. a8. IGBT OFF in spite of input “H”. [B] Under-Voltage Protection (Lower-arm, UVD) b1. Control supply voltage rises : After the voltage level reaches UVDr, the circuits start to operate when next input is applied. b2. Normal operation : IGBT ON and carrying current. b3. Under voltage trip (UVDt). b4. IGBT OFF in spite of control input condition. b5. FO operation starts. b6. Under voltage reset (UVDr). b7. Normal operation : IGBT ON and carrying current. |
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