PS21267-P-AP MITSUBISHI, PS21267-P-AP Datasheet - Page 8

• Manufacturer Part Number: PS21267-P-AP
• Manufacturer: MITSUBISHI

Fig. 7 TIMING CHARTS OF THE DIP-IPM PROTECTIVE FUNCTIONS
[A] Short-Circuit Protection (Lower-arms only) (with external shunt resistor and CR connection)
[B] Under-Voltage Protection (Lower-arm, UV
a1. Normal operation : IGBT ON and carrying current.
a2. Short circuit current detection (SC trigger).
a3. Hard IGBT gate interrupt.
a4. IGBT turns OFF.
a5. F
a6. Input “L” : IGBT OFF state.
a7. Input “H” : IGBT ON state, but during the F
a8. IGBT OFF in spite of “H” input.
b1. Control supply voltage rises : After the voltage reaches UV
b2. Normal operation : IGBT ON and carrying current.
b3. Under voltage trip (UV
b4. IGBT OFF in spite of control input condition.
b5. F
b6. Under voltage reset (UV
b7. Normal operation : IGBT ON and carrying current.
O
O
timer operation starts : The pulse width of the F
operation starts. The minimum pulse width of F
Sense voltage of the
shunt resistance
Lower-arms control
input
Protection circuit state
Internal IGBT gate
Output current Ic
Error output Fo
Control input
Protection circuit state
Control supply voltage V
Output current Ic
Error output Fo
Dt
).
Dr
).
D
O
signal active period the IGBT doesn’t turn ON.
UV
a1
Dr
D
)
O
O
is set by the external capacitor C
signal is set by the external capacitor C
SC
RESET
b1
SET
a2
a5
Dr
a3
SC reference voltage
level, the circuits start to operate when the next input is applied.
UV
a4
CR circuit time
constant DELAY
b2
Dt
a6
a7
SET
a8
RESET
b3
b4
b5
FO
RESET
, and F
FO
O
b6
.
outputs continuously during UV period.
TRANSFER-MOLD TYPE
PS21267-P/AP
b7
INSULATED TYPE
Oct. 2005