PS21961, PS21961-A, PS21961-C

Intellimod™ Module

Dual-In-Line Intelligent Power Module

3 Amperes/600 Volts

Powerex, Inc., 173 Pavilion Lane,Youngwood, Pennsylvania 15697-1800 (724) 925-7272

7

07/06

Protection Function Timing Diagrams

C1

C4

C5

C2

UVDt

C6

C3

SET

RESET

RESET

HIGH LEVEL (NO FAULT OUTPUT)

UVDBr

CONTROL INPUT

PROTECTION

CIRCUIT STATE

CONTROL SUPPLY

VOLTAGE VDB

OUTPUT CURRENT IC

FAULT OUTPUT FO

Under-Voltage Protection (Upper-side, UVDB)

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

Wiring Method Around Shunt Resistor

VNC

N

DIP-IPM

Wiring inductance should be less than 10nH.

(Equivalent to the inductance of a copper pattern with

length = 17mm, width = 3mm, and thickness = 100um.)

RSHUNT (Chip type resistor is recommended.)

This GND wiring from VNC should be as

close to the shunt resistors as possible.

UP, VP, WP, UN, VN, WN

MCU

5V LINE

10k

Ω

3.3k

Ω (MIN)

FO

VNC (LOGIC)

DIP-IPM

NOTE: RC coupling at each input

(parts shown dotted) may change

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.