U2044B_05 Datasheet, PDF (2/9 Pages) ATMEL Corporation – Dual Output Flasher

Figure 1-1. Block Diagram
C₁
4.7 µF
14
R₁
82 kΩ
1
V _S-6 V
9
5
+
V _S-81 mV
-
8
K1
R_Shunt
30 mΩ
Contact
1
2
+
-
6
V _Ref1
+
-
7
+
-
-
+
V _Ref2
V _S /2
R₉
47 kΩ
R₈
47 k Ω
-
+
27.5 V
11
13 GND 10
324
R₂
220Ω
Hazard warning
R₃
4.7 kΩ
12
R₁₀
1.2 kΩ
Relay
12
R₄
4.7 kΩ
R₆
4.7 k Ω
right
R₅
R₇
left
1.2 kΩ
1.2 k Ω
30
30
30
15
31
12700
2 U2044B
4721B–AUTO–09/05