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TDA75610SLV-ZSX View Datasheet(PDF) - STMicroelectronics

Part Name
Description
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TDA75610SLV-ZSX Datasheet PDF : 42 Pages
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TDA75610SLV
Battery transitions management
7
Battery transitions management
7.1
Low voltage operation (“start stop”)
The most recent OEM specifications require automatic stop of car engine at traffic light, in
order to reduce emissions of polluting substances. The TDA75610SLV, thanks to its
innovating design, allows to go on playing sound when battery falls down to 6/7V during
such conditions, without producing pop noise. The maximum system power will be reduced
accordingly.
Supported battery cranking curves are shown below, indicating the shape and duration of
allowed battery transitions.
Figure 34. Worst case battery cranking curve sample 1
9EDWW 9
9
9
9
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W
W W W W
W
W
W V
V1 = 12 V; V2 = 6 V; V3 = 7 V; V4 = 8 V
t1 = 2 ms; t2 = 50 ms; t3 = 5 ms; t4 = 300 ms; t5 =10 ms; t6 = 1 s; t7 = 2 ms
Figure 35. Worst case battery cranking curve sample 2
9EDWW 9
9
*$3*36
9
9
W W W
W
W
V1 = 12 V; V2 = 6 V; V3 = 7 V
t1 = 2 ms; t2 = 5 ms; t3 = 15 ms; t5 = 1 s; t6 = 50 ms
DocID025599 Rev 6
W V
*$3*36
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