IL33193
Vbat
Rs
SW2
SW1
1
2
8
7
Starter
R3
Reference
Voltage
RF
Filter
Detector
24V 33V
Ignition
Key
R4
R5
Relay
Driver
6
5
С1
Lamp Fault
Detector
3
4
Waming
Oscillator
R2
R1
Relay 1
Relay 2
EXTERNAL COMPONENTS
Rs = 20 mΩ
R1 = 75 kΩ
C1 = 5.6 µF
R2 = 2.2 kΩ
Left
Right
L4
S1
Direction
Indicator
LD
L1
L2
L3
LD
R3 = 220 Ω
10 kΩ ≤ R4 ≤ 47 kΩ
10 kΩ ≤ R5 ≤ 47 kΩ
Relay 1
L1, L2, L3, L4 = 21W
LD ⎯ Dashboard Indicator
Figure 10. IL33193 Typical Application
Application Information
Notes: 1.The flashing cycle is started by the dosing of switch S1.
2.The S1 switch position is sensed across the resistor R2 and RLAMP by the input (Pin8).
3. If the logic state at Pin6 is [0], the current through R2 is off.
7
IKSEMICON [ IK SEMICON CO., LTD ]
