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| TIC10024-Q1 Datasheet, PDF (70/81 Pages) Texas Instruments – 24-Input Multiple Switch Detection Interface (MSDI) Device With Adjustable Wetting Current for Automotive Systems | |||
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TIC10024-Q1
SCPS268 â SEPTEMBER 2017
www.ti.com
Table 26. Voltage Profile to Test a Load Dump Event With Centralized Load Dump Suppression
Parameter
Value
UA
US
US*
td
tr
Number of cycles
13.5 V
79 V ⤠US ⤠101
35 V
40 ms ⤠td ⤠400 ms
< 10 ms
5 pulses at intervals of 1 min
spacer
⢠To emulate a cranking event, voltage profile describe in Figure 46 is used. US, US6, and UA are applied
directly to VBAT.
Parameter
US6
US
UA
tf
t6
t7
t8
tr
Figure 46. Voltage Profile to Test a Cranking Event
Table 27. Voltage Profile Used to Test a Cranking Event
Value - Level I
8V
9.5 V
14 V ± 0.2 V
5 ms ± 0.5 ms
15 ms ± 1.5 ms
50 ms ± 5 ms
1000 ms ± 100 ms
40 ms ± 4 ms
Value - Level II
4.5 V
6.5 V
14 V ± 0.2 V
5 ms ± 0.5 ms
15 ms ± 1.5 ms
50 ms ± 5 ms
10000 ms ± 1000 ms
100 ms ± 10 ms
Value - Level IV
6V
6.5 V
14 V ± 0.2 V
5 ms ± 0.5 ms
15 ms ± 1.5 ms
50 ms ± 5 ms
10000 ms ± 1000 ms
100 ms ± 10 ms
70
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