Order this document by UAA1041B/D
UAA1041B
Automotive Direction
Indicator
This device was designed for use in conjunction with a relay in automotive
applications. It is also applicable for other warning lamps such as “handbrake
ON,” etc.
AUTOMOTIVE DIRECTION
INDICATOR
SEMICONDUCTOR
TECHNICAL DATA
•
•
•
•
•
Defective Lamp Detection
Overvoltage Protection
Short Circuit Detection and Relay Shutdown to Prevent Risk of Fire
Reverse Battery Connection Protection
Integrated Suppression Clamp Diode
8
1
NO SUFFIX
PLASTIC PACKAGE
CASE 626
Figure 1. Typical Automotive System
C2
–VCC
1
2
UAA1041
C1
+
3
4
R1
R3
Relay
–VCC
+Vbat
RLY Out
S1
L1
L
R
Oscillator
1
2
3
4
8
1
8
7
RS
+V
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
–V
6
5
R2
PIN CONNECTIONS
8
7
6
5
Start
Fault Det
Fault Det On/Off
Oscillator
(Top View)
S2
L2
L3
L6
L4
L5
L1: 1.2 W, warning light handbrake ON
L2, L3, L4, L5: 21 W, turn signals
R1 = 75 k
R2 = 3.3 k
R3 = 220
Ω
RS = 30 mΩ
C1 = 5.6
µF
C2 = 0.047
µF
Device
ORDERING INFORMATION
Operating
Temperature Range
TA = – 40° to +100°C
Package
SO–8
Plastic DIP
Rev 0
UAA1041BD
UAA1041B
©
Motorola, Inc. 1996
MOTOROLA ANALOG IC DEVICE DATA
1