U2480B Datasheet, PDF (7/8 Pages) TEMIC Semiconductors – Automotive Lamp Outage Monitor

Kl 31
Failure without storage
Failure with storage
BL
Indicator control
SP
Open: Store ”on”
Charge control
Marker
light
VBatt
Reversing light
(2x 21 W)
VBatt
Fog tail lamp
2 kΩ
*) _{1 kΩ}
*) _{2 kΩ}
2 kΩ
*) _{2 kΩ}
VBatt
High:
Store ”off”
*) Shunt
U2480B
1
2
3
4
5
6
7
8
Cosc
9
10
11
12
Rosc
13
14
2 kΩ
*)
2 kΩ
28
U2480B
2 kΩ
27
*)
2 kΩ
26
2 kΩ
25 NC
*)
2 kΩ
24
*)
1 kΩ
23
*)
2 kΩ
22
2 kΩ
21
*)
1 kΩ
20
*)
2 kΩ
19
NC
*)
18
2 kΩ
2 kΩ
17
*)
1 kΩ
16
*)
2 kΩ
15
*)
VBatt
Dipped headlight
(2x 55 W)
Stop light
(3x 21 W)
VBatt
Park light
additional
park light
(6x 4 W)
VBatt
2 kΩ
2 kΩ
*)
2 kΩ
1
28
2 kΩ
2
27
*)
2 kΩ
3
26
4
25 NC
2 kΩ
5
24
*)
2 kΩ
6
23
*)
2 kΩ
7
22
U2480B
2 kΩ
8
21
*)
9
20
*)
2 kΩ
10
19
NC
11
18
2 kΩ
12
17
*)
1 kΩ
13
16
*)
2 kΩ
14
15
13911
VBatt
Headlight
additional
headlight
(2x 55 W)
Fog lamp
(2x 55 W)
VBatt
License
plate and
side lamps
(4x 4 W)
VBatt
TELEFUNKEN Semiconductors
7 (8)
Rev. A1, 22-Oct-97