PS22056 MITSUBISHI, PS22056 Datasheet - Page 8

• Manufacturer Part Number: PS22056
• Manufacturer: MITSUBISHI

[C] Under-Voltage Protection (Upper-side, UV
Fig. 6 MCU I/O INTERFACE CIRCUIT
Fig. 7 WIRING CONNECTION WITH 1 SHUNT RESISTOR
c1. Control supply voltage rises : After the voltage reaches UV
c2. Normal operation : IGBT ON and carrying current.
c3. Under voltage trip (UV
c4. IGBT OFF in spite of control input signal level, but there is no F
c5. Under voltage reset (UV
c6. Normal operation : IGBT ON and carrying current.
Control input
Protection circuit state
Control supply voltage V
Output current Ic
Error output Fo
Note : RC coupling at each input (parts shown dotted) may change depending on the PWM control scheme used in
For 3 shunt resistors connection, please refer to Fig.9.
The DIP-IPM input signal section integrates a 2.5k (min) pull-down resistor. Therefore, when using a external
the application and the wiring impedance of the application’s printed circuit board.
filtering resistor, pay attention to the turn-on threshold voltage requirement.
DBt
V
DBr
NC
).
).
DB
DIP-IPM
High-level (no fault output)
MCU
UV
DBr
NW
NU
NV
c1
RESET
Using low inductance chip resistor and reducing
wiring length to minimize the wiring inductance.
DB
)
5V line
Please insert fast
recovery type diode
between V
NU, NV, NW terminals.
UV
c2
10k
DBr
DBt
, the circuits start to operate when next input is applied.
SET
O
NC
signal output.
Shunt resistor
c3
and
c4
U
V
Fo
NC
P
,V
(Logic)
DIP-IPM
P
,W
Please make the wiring connection
of shunt resistor to GND as short as
possible.
P
,U
N
,V
c5
RESET
N
,W
c6
N
TRANSFER-MOLD TYPE
INSULATED TYPE
PS22056
May 2005