Battery transition management
7
Battery transition management
TDA75610DLVPD
7.1
Low voltage (“start stop”) operation
The most recent OEM specifications are requiring automatic stop of car engine at traffic
light, in order to reduce emissions of polluting substances. The TDA75610DLVPD, thanks to
its innovating design, is able to play music when battery falls down to 6/7 V during such
conditions, without producing audible pop noise. The maximum system power will be
reduced accordingly.
Worst case battery cranking curves are shown below, indicating the shape and durations of
allowed battery transitions
Figure 33. Worst case battery cranking curve sample 1
9EDWW9
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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 34. Worst case battery cranking curve sample 2
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V1 = 12 V; V2 = 6 V; V3 = 7 V
t1 = 2 ms; t2 = 5 ms; t3 = 15 ms; t5 = 1 s; t6 = 50 ms
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DocID024175 Rev 8
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*$3*36