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TDA7803A-QLX Datasheet(PDF) 23 Page - STMicroelectronics

Part # TDA7803A-QLX
Description  High efficiency digital input automotive quad power amplifier with built-in diagnostics features, start stop compatible
PDF  72 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7803A-QLX Datasheet(HTML) 23 Page - STMicroelectronics

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DS12195 Rev 7
23/72
TDA7803A
Operation states
71
The Permanent diagnostic is automatically run by TDA7803A when a fault occurs during
PLAY and over current protections are triggered.
Turn-on and Permanent diagnostic functionality are described in Section 6.
Figure 29. State diagram
Amplifier
Mode
Permanent
Diagnostic
STBY=‘1’
Standby
ECO
Mode
Turn-on
Diagnostic
IB4D0=‘1’
And
IB7D0=‘0’
End of Turn-on
Diagnostic
IB7D0=‘1’
IB4D0=‘0’
And
IB7D0=‘0’
Over
Current
detected
Automatic
Restart after
short removal
STBY=‘0’
GAPGPS03069



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