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Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
PS21965-4S
Intellimod? Module
Dual-In-Line Intelligent Power Module
20 Amperes/600 Volts
Protection Function Timing Diagrams
Under-Voltage Protection (Upper-side, UVDB)
CONTROL INPUT
PROTECTION
CIRCUIT STATE
RESET
SET
RESET
CONTROL SUPPLY
VOLTAGE VDB
UVDBr
C1
UVDt
C3
C5
C2
C4
C6
OUTPUT CURRENT IC
FAULT OUTPUT FO
HIGH LEVEL (NO FAULT OUTPUT)
C1: Control supply voltage rises – After the voltage level reaches UVDBr, the drive circuit begins to work
at the rising edge of the next input signal.
C2: Normal operation – IGBT turn on and conducting current.
C3: Under-voltage trip (UVDBt).
C4: IGBT stays off regardless of the control input level, but there is no FO signal output.
C5: Under-voltage reset (UVDr).
C6: Normal operation – IGBT turn on and conducting current.
Typical Interface Circuit
5V LINE
DIP-IPM
NOTE: RC coupling at each input
(parts shown dotted) may change
MCU
10k Ω
UP, VP, WP, UN, VN, WN
3.3k Ω (MIN)
FO
depending on the PWM control
scheme used in the application and
the wiring impedance of the printed
circuit board. The DIP-IPM input signal
section integrates a 3.3k Ω (min)
pull-down resistor. Therefore, when
using an external filtering resistor, care
must be taken to satisfy the turn-on
threshold voltage requirement.
VNC (LOGIC)
Wiring Method Around Shunt Resistor
Wiring inductance should be less than 10nH.
(Equivalent to the inductance of a copper pattern with
length = 17mm, width = 3mm, and thickness = 100 μ m.)
DIP-IPM
NU
NV
Shunt
Resistors
VNC
NW
Please make the connection of shunt resistor
close to VNC terminal.
Rev. 12/09
7
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