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IK642B Schematic ( PDF Datasheet ) - IK Semicon

Teilenummer IK642B
Beschreibung INTERVAL- and WIPE/WASH WIPER CONTROL IC
Hersteller IK Semicon
Logo IK Semicon Logo 




Gesamt 11 Seiten
IK642B Datasheet, Funktion
TECHNICAL DATA
INTERVAL- and WIPE/WASH WIPER CONTROL IC IK642B
The IK642B is a bi-polar integrated circuit designed for the
wiper application in the automotive market. It includes wipe, wash
and internal mode.
SO8
FEATURES
Interval Pause: 4 to 20 s
After-wiping Time: 2 to 20 s
Wiper Motor's Park Switch
Wipe/Wash Mode Priority
One External Capacitor Determines All Time Sequences
Relay Driver with Z-diode
Load-dump Protected
Prewash Delay 300mS
Interference Protection According to VDE 0839 or ISO/TR 7637/1
DIP8
Device
IK642BN
IK642BDT
IK642BD
ORDERING INFORMATION
Operating
Temperature Range
Package
DIP8
ТА = -40 to +85 С
SO8
SO8
Packing
Tube
Tape & Reel
Tube
FUNCTIONAL DESCRIPTION
As a convenience feature of the windshield wiper, intermittent and wipe/wash
operation functions are implemented in most of the automobiles. The IK642B is a cost-
effective solution for an accurate timing function control. Wipe/wash mode has priority over
interval mode. Interval pause and after-wiping time can be set to fixed values by using
resistors in a broad time range. Added value can be provided with an individual,
continuous adjustment of the interval pause by a potentiometer which may be built into the
stalk. For proper operation, it is mandatory to feed the signal of the wiper motor's park
switch into IK642B.
1 2013 June, Ver. 00






IK642B Datasheet, Funktion
IK642B
ABSOLUTE MAXIMUM RATINGS
Parameters
Pin
Supply voltage t = 60 s, terminal 15
Supply current
t = 2 ms
t = 200 ms
Relay control output current (DC)
t = 200 ms
8
8
7
Pulse Current (Control Inputs) t = 200 ms
Park switch, S1
Wipe/Wash switch, S3
Interval switch, S2
6
5
2
Power dissipation Tamb = 90°C
Storage temperature range
Ambient temperature range
Symbol
VBatt
I8
I8
I7
I7
Value
28
1.5
150
200
1.2
I6
I5
I2
Ptot
Tstg
Tamb
50
50
50
500
-55 to +125
-40 to +85
Unit
V
A
mA
mA
A
mA
mW
°C
°C
THERMAL RESISTANCE
Parameter
Symbol
Value
Unit
Junction ambient
DIP8
SO8
RthJA
RthJA
120 K/W
160 K/W
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional operation of the device at these or any other conditions
beyond those indicated in the operational sections of this specification are not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
6 2013 June, Ver. 00

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