TIC10024-Q1 Datasheet, PDF (10/81 Pages) Texas Instruments – 24-Input Multiple Switch Detection Interface (MSDI) Device With Adjustable Wetting Current for Automotive Systems

TIC10024-Q1
SCPS268 – SEPTEMBER 2017
6.7 Typical Characteristics
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18
16
I_WETT=1mA
I_WETT=1mA
16
I_WETT=2mA
14
I_WETT=2mA
14
I_WETT=5mA
I_WETT=10mA
12
I_WETT=5mA
I_WETT=10mA
12
I_WETT=15mA
I_WETT=15mA
10
10
8
8
6
6
4
4
2
2
0
0
5 10 15 20 25 30 35 40
V_S voltage (V)
D001
T_A = 25°C
0
-40 -20 0
V_S = 12 V
20 40 60 80 100 120 140 160
Temperature (C)
D001
Figure 1. Wetting Current Output - CSO vs. V_S Voltage
4
Figure 2. Wetting Current Output - CSO vs. Temperature
3.75
THRES_COMP=2V
THRES_COMP=2.7V
3.5
THRES_COMP=3V
THRES_COMP=4V
3.25
3
2.75
2.5
2.25
2
1.75
0
T_A = 25°C
5
10 15 20 25 30 35 40
V_S voltage (V)
D001
Figure 3. Comparator Threshold vs. V_S Voltage
10
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