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TDA7564BPD Scheda tecnica(PDF) 18 Page - STMicroelectronics

Il numero della parte TDA7564BPD
Spiegazioni elettronici  4 x 50W multifunction quad power amplifier with built-in diagnostics feature
PDF  34 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7564BPD Scheda tecnica(HTML) 18 Page - STMicroelectronics

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Diagnostics functional description
TDA7564B
18/34
Doc ID 12734 Rev 4
This feature is disabled if any overloads leading to activation of the short-circuit protection
occurs in the process.
Figure 27. Current detection high: load impedance |Z| vs. output peak voltage
Figure 28. Current detection low: load impedance |Z| vs. output peak voltage
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34
5
6
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8
1
2
3
5
10
20
30
50
Vout (Peak)
Load |z| (Ohm)
Iout (peak) <250mA
Iout (peak) >500mA
Low current detection area
(Open load)
D5 = 1 of the DBx byres
High current detection area
(Normal load)
D5 = 0 of the DBx bytes
IB2(D7) = 0
0.5
1
1.5
2
2.5
3
3.5
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1
2
3
5
10
20
30
50
Vout (Peak)
Load |z| (Ohm)
Iout (peak) <125mA
Iout (peak) >250mA
Low current detection area
(Open load)
D5 = 1 of the DBx byres
High current detection area
(Normal load)
D5 = 0 of the DBx bytes
IB2(D7) = 1



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