TDA7563B STMicroelectronics, TDA7563B Datasheet - Page 15

• Manufacturer Part Number: TDA7563B
• Description: IC AMP QUAD MULTIFUNC FLEXIWATT2
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7563B

• Output Type: 4-Channel (Quad)
• Max Output Power X Channels @ Load: 75W x 4 @ 2 Ohm
• Voltage - Supply: 8 V ~ 18 V
• Features: I²C, Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: 27-Flexiwatt (bent and staggered leads)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7563B
Figure 21. SVR and output pin behavior (Case 2: with turn-on diagnostic)
I2CB DATA
Vsvr
Out
The information related to the outputs status is read and memorized at the end of the
current pulse top. The acquisition time is 100 ms (typ.). No audible noise is generated in the
process. As for short to GND / Vs the fault-detection thresholds remain unchanged from 30
dB to 16 dB gain setting. They are as follows:
Figure 22. Short circuit detection thresholds
Concerning short across the speaker / open speaker, the threshold varies from 30 dB to 16
dB gain setting, since different loads are expected (either normal speaker's impedance or
high impedance). The values in case of 30 dB gain are as follows:
Figure 23. Load detection thresholds - high gain setting
If the line-driver mode (Gv= 16 dB and line driver mode diagnostic = 1) is selected, the same
thresholds will change as follows:
Figure 24. Load detection threshold - low gain setting
Diagnostic Enable
(Turn-on)
acquisition time (100mS Typ)
Bias (power amp turn-on)
Turn-on diagnostic
permitted time
0V
0Ω
0V
S.C. across Load
S.C. across Load
Turn-on Diagnostics data (output)
S.C. to GND
permitted time
0.5Ω
1.5Ω
Doc ID 12733 Rev 3
1.2V
x
x
x
1.5Ω
1.8V
7Ω
Normal Operation
Normal Operation
Normal Operation
Read Data
V
70Ω
S
180Ω
-1.8V
Diagnostic Enable
(Permanent)
x
x
Diagnostics functional description
x
330Ω
V
130Ω
S
-1.2V
Open Load
Open Load
Permanent Diagnostics data (output)
S.C. to Vs
D01AU1252mod
D01AU1254
D01AU1253
Permanent diagnostic
acquisition time (100mS Typ)
permitted time
Infinite
infinite
FAULT
event
V
S
t
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