PS21869-AP Mitsumi Electronics, Corp., PS21869-AP Datasheet - Page 9

• Manufacturer Part Number: PS21869-AP
• Manufacturer: Mitsumi Electronics, Corp.

[C] Under-Voltage Protection (Upper-arm, UV
Fig. 8 RECOMMENDED CPU I/O INTERFACE CIRCUIT
Fig. 9 WIRING CONNECTION OF SHUNT RESISTOR
c1. Control supply voltage rises : Operation starts soon after UV
c2. Protection circuit state reset : IGBT ON : Currents output.
c3. Normal operation : IGBT ON and carrying current.
c4. Under voltage trip (UV
c5. IGBT OFF in spite of control input condition, but there is no F
c6. Under voltage reset (UV
c7. Normal operation : IGBT ON and carrying current.
Note : RC coupling at each input (parts shown dotted) may change depending on the PWM control scheme used in
Control input
Protection circuit state
Control supply voltage V
Output current Ic
Error output Fo
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, care must be taken to satisfy the turn-on threshold voltage requirement.
DBt
V
NC
DBr
).
).
DIP-IPM
MCU
DB
N
UV
High-level (no fault output)
DB
DBr
)
5V line
RESET
c1
c2
Wiring inductance should be less than 10nH.
10k
DBr
O
Shunt resistor
Equivalent to the inductance of a copper pattern with
length=17mm, width=3mm, and thickness=100 m
signal output.
.
UV
c3
DBt
SET
U
V
Fo
NC
P
c4
c5
,V
(Logic)
DIP-IPM
P
Please make the GND wiring connection of
shunt resistor to the V
as possible.
,W
RESET
P
,U
N
,V
c6
N
,W
N
c7
NC
TRANSFER-MOLD TYPE
PS21869-P/AP
terminal as close
INSULATED TYPE
Jul. 2005