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TDA7563BSTN/a346avaiIntelligent high efficiency (class SB) quad BTL output with full I2C diagnostics (turn on, permanent, ac) and stand-by/mute input
TDA7563BPDSTN/a14avaiIntelligent high efficiency (class SB) quad BTL output with full I2C diagnostics (turn on, permanent, ac) and stand-by/mute input


TDA7563B ,Intelligent high efficiency (class SB) quad BTL output with full I2C diagnostics (turn on, permanent, ac) and stand-by/mute inputfeatures, its superior efficiency and AC load detection)performance coming from the internal exclus ..
TDA7563BPD ,Intelligent high efficiency (class SB) quad BTL output with full I2C diagnostics (turn on, permanent, ac) and stand-by/mute inputfunctional description . . . . 144.1 Turn-on diagnostic . . 144.2 Permanent diagnostics ..
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TDA7564 ,MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURESABSOLUTE MAXIMUM RATINGSSymbol Parameter Value UnitV Operating Supply Voltage 18 VopV DC Supply Vol ..
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TDA7563B-TDA7563BPD
Intelligent high efficiency (class SB) quad BTL output with full I2C diagnostics (turn on, permanent, ac) and stand-by/mute input
September 2013 Doc ID 12733 Rev 6 1/33
TDA7563B

4 x 50 W multifunction quad power amplifier
with built-in diagnostics feature
Datasheet  production data
Features
Multipower BCD technology MOSFET output power stage DMOS power output New high efficiency (class SB) High output power capability 4 x 28 W / 4  @
14.4 V, 1 kHz, 10 % THD, 4 x 50 W max power Max. output power 4 x 72 W / 2  Full I2 C bus driving: Standby Independent front/rear soft play/mute Selectable gain 30 dB / 16 dB (for low noise
line output function) High efficiency enable/disable2 C bus digital diagnostics (including DC
and AC load detection) Full fault protection DC offset detection Four independent short circuit protection Clipping detector pin with selectable threshold
(2 % / 10 %) Standby/mute pin Linear thermal shutdown with multiple thermal
warning ESD protection
Description

The TDA7563B is a new BCD technology quad
bridge type of car radio amplifier in Flexiwatt27 &
PowerSO36 packages specially intended for car
radio applications.
Thanks to the DMOS output stage the TDA7563B
has a very low distortion allowing a clear powerful
sound. Among the features, its superior efficiency
performance coming from the internal exclusive
structure, makes it the most suitable device to
simplify the thermal management in high power sets.
The dissipated output power under average
listening condition is in fact reduced up to 50 %
when compared to the level provided by
conventional class AB solutions.
This device is equipped with a full diagnostics
array that communicates the status of each
speaker through the I2 C bus.

Table 1. Device summary
Contents TDA7563B
2/33 Doc ID 12733 Rev 6
Contents Block diagram and application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.4 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Diagnostics functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.1 T urn-on diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.2 Permanent diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.3 Output DC offset detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.4 AC diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Multiple faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.1 Faults availability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Thermal protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.1 Fast muting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.1 I2 C programming/reading sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.2 I2C bus interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.2.1 Data validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.2.2 Start and stop conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.2.3 Byte format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.2.4 Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Software specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Examples of bytes sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
TDA7563B Contents
Doc ID 12733 Rev 6 3/33 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
List of tables TDA7563B
4/33 Doc ID 12733 Rev 6
List of tables

Table 1. Device summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table 2. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 3. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 4. Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 5. Double fault table for turn on diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 6. IB1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 7. IB2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 8. DB1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 9. DB2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 10. DB3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Table 11. DB4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 12. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
TDA7563B List of figures
Doc ID 12733 Rev 6 5/33
List of figures

Figure 1. Block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 2. Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. Pins connection diagram of the Flexiwatt27 (top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 4. Pins connection diagram of the PowerSO36 slug up (top view). . . . . . . . . . . . . . . . . . . . . . 7
Figure 5. Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 6. Output power vs. supply voltage (4). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 7. Output power vs. supply voltage (2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 8. Distortion vs. output power (4, STD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 9. Distortion vs. output power (4, HI-EFF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 10. Distortion vs. output power (2, STD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 11. Distortion vs. frequency (4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 12. Distortion vs. frequency (2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 13. Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 14. Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 15. Power dissipation and efficiency vs. output power (4, STD, SINE) . . . . . . . . . . . . . . . . . 13
Figure 16. Power dissipation and efficiency vs. output power (4, HI-EFF, SINE) . . . . . . . . . . . . . . . 13
Figure 17. Power dissipation vs. average output power (audio program simulation, 4) . . . . . . . . . . 13
Figure 18. Power dissipation vs. average output power (audio program simulation, 2) . . . . . . . . . . 13
Figure 19. Turn-on diagnostic: working principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 20. SVR and output behavior (case 1: without turn-on diagnostic). . . . . . . . . . . . . . . . . . . . . . 14
Figure 21. SVR and output pin behavior (case 2: with turn-on diagnostic) . . . . . . . . . . . . . . . . . . . . . 15
Figure 22. Thresholds for short to GND/VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 23. Thresholds for short across the speaker/open speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 24. Thresholds for line-drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 25. Restart timing without diagnostic enable (permanent) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 26. Restart timing with diagnostic enable (permanent). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 27. Current detection: Load impedance |Z| vs. output peak voltage. . . . . . . . . . . . . . . . . . . . . 18
Figure 28. Thermal foldback diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 29. Data validity on the I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 30. Timing diagram on the I2C bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 31. Timing acknowledge clock pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 32. Flexiwatt27 (horizontal) mechanical data and package dimensions. . . . . . . . . . . . . . . . . . 29
Figure 33. Flexiwatt27 (vertical) mechanical data and package dimensions. . . . . . . . . . . . . . . . . . . . 30
Figure 34. PowerSO36 (slug up) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . 31
Block diagram and application circuit TDA7563B Block diagram and application circuit
Figure 1. Block diagram
Figure 2. Application circuit
TDA7563B Pins description
Doc ID 12733 Rev 6 7/33
2 Pins description
Figure 3. Pins connection diagram of the Flexiwatt27 (top view)
Figure 4. Pins connection diagram of the PowerSO36 slug up (top view)
Electrical specifications TDA7563B
8/33 Doc ID 12733 Rev 6
3 Electrical specifications
3.1 Absolute maximum ratings


3.2 Thermal data


3.3 Electrical characteristics

Refer to the test circuit, VS = 14.4 V; RL = 4 ; f = 1 kHz; GV = 30 dB; Tamb = 25 °C; unless
otherwise specified.

Table 2. Absolute maximum ratings
Table 3. Thermal data
Table 4. Electrical characteristics
TDA7563B Electrical specifications
Doc ID 12733 Rev 6 9/33
Table 4. Electrical characteristics (continued)
Electrical specifications TDA7563B
10/33 Doc ID 12733 Rev 6
Table 4. Electrical characteristics (continued)
TDA7563B Electrical specifications
3.4 Electrical characteristics curves
Figure 5. Quiescent current vs. supply voltage Figure 6. Output power vs. supply voltage (4)
Figure 7. Output power vs. supply voltage (2) Figure 8. Distortion vs. output power (4, STD)
Table 4. Electrical characteristics (continued)
Electrical specifications TDA7563B
Figure 9. Distortion vs. output power (4, HI-
EFF)
Figure 10. Distortion vs. output power (2,
STD)
Figure 11. Distortion vs. frequency (4) Figure 12. Distortion vs. frequency (2)
Figure 13. Crosstalk vs. frequency Figure 14. Supply voltage rejection vs.
frequency
TDA7563B Electrical specifications
Figure 15. Power dissipation and efficiency vs.
output power (4, STD, SINE)
Figure 16. Power dissipation and efficiency vs.
output power (4, HI-EFF, SINE)
Figure 17. Power dissipation vs. average
output power (audio program
simulation, 4)
Figure 18. Power dissipation vs. average
output power (audio program
simulation, 2)
Diagnostics functional description TDA7563B Diagnostics functional description
4.1 Turn-on diagnostic

It is activated at the turn-on (standby out) under I2 C bus request. Detectable output faults
are: Short to GND Short to Vs Short across the speaker Open speaker o verify if any of the above misconnections are in place, a subsonic (inaudible) current
pulse (Figure 19) is internally generated, sent through the speaker(s) and sunk back. The
turn on diagnostic status is internally stored until a successive diagnostic pulse is requested
(after a I2 C reading).
If the "standby out" and "diag. enable" commands are both given through a single
programming step, the pulse takes place first (power stage still in standby mode, low,
outputs= high impedance).
Afterwards, when the amplifier is biased, the permanent diagnostic takes place. The
previous turn on state is kept until a short appears at the outputs.
Figure 19. Turn-on diagnostic: working principle

Figure 20 and 21 show SVR and output waveforms at the turn-on (standby out) with and
without turn-on diagnostic.
Figure 20. SVR and output behavior (case 1: without turn-on diagnostic)
TDA7563B Diagnostics functional description 15/33
Figure 21. SVR and output pin behavior (case 2: with turn-on diagnostic)

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. Thresholds for short to GND/VS

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. Thresholds for short across the speaker/open speaker

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. Thresholds for line-drivers
Diagnostics functional description TDA7563B
16/33 Doc ID 12733 Rev 6
4.2 Permanent diagnostics

Detectable conventional faults are: Short to GND
–Short to Vs Short across the speaker
The following additional features are provided: Output offset detection
The TDA7563B has 2 operating statuses: Restart mode. The diagnostic is not enabled. Each audio channel operates
independently of each other. If any of the a.m. faults occurs, only the channel(s)
interested is shut down. A check of the output status is made every 1 ms (Figure 25).
Restart takes place when the overload is removed.
2. Diagnostic mode. It is enabled via I2 C bus and self activates if an output overload (such
as to cause the intervention of the short-circuit protection) occurs to the speakers
outputs. Once activated, the diagnostics procedure develops as follows (Figure 26): To avoid momentary re-circulation spikes from giving erroneous diagnostics, a
check of the output status is made after 1ms: if normal situation (no overloads) is
detected, the diagnostic is not performed and the channel returns active. Instead, if an overload is detected during the check after 1 ms, then a diagnostic
cycle having a duration of about 100 ms is started. After a diagnostic cycle, the audio channel interested by the fault is switched to
restart mode. The relevant data are stored inside the device and can be read by
the microprocessor. When one cycle has terminated, the next one is activated by
an I2 C reading. This is to ensure continuous diagnostics throughout the car-radio
operating time.
3. To check the status of the device a sampling system is needed. The timing is chosen at
microprocessor level (over half a second is recommended).
Figure 25. Restart timing without diagnostic enable (permanent) - Each 1ms time, a
sampling of the fault is done
Figure 26. Restart timing with diagnostic enable (permanent)
TDA7563B Diagnostics functional description
Doc ID 12733 Rev 6 17/33
4.3 Output DC offset detection

Any DC output offset exceeding ±2 V is signalled out. This inconvenient might occur as a
consequence of initially defective or aged and worn-out input capacitors feeding a DC
component to the inputs, so putting the speakers at risk of overheating.
This diagnostic has to be performed with low-level output AC signal (or Vin = 0).
The test is run with selectable time duration by microprocessor (from a "start" to a "stop"
command): Start = Last reading operation or setting IB1 - D5 - (offset enable) to 1
The TDA7563B signals out an offset to the user if this offset condition is stable during the
assigned testing time. This feature is disabled if any overloads leading to activation of the
short-circuit protection occurs in the process.
4.4 AC diagnostic

It is targeted at detecting accidental disconnection of tweeters in 2-way speaker and, more
in general, presence of capacitively (AC) coupled loads.
This diagnostic is based on the notion that the overall speaker's impedance (woofer +
parallel tweeter) will tend to increase towards high frequencies if the tweeter gets
disconnected, because the remaining speaker (woofer) would be out of its operating range
(high impedance). The diagnostic decision is made according to peak output current
thresholds, as follows:
Iout > 500 mApk = normal status
Iout < 250 mApk = open tweeter o correctly implement this feature, it is necessary to briefly provide a signal tone (with the
amplifier in "play") whose frequency and magnitude are such as to determine an output
current higher than 500 mApk with in normal conditions and lower than 250 mApk should
the parallel tweeter be missing.
The test has to last for a minimum number of 3 sine cycles starting from the activation of the
AC diagnostic function IB2 < D2 > 0 up to the I2 C reading of the results (measuring period). o confirm presence of tweeter, it is necessary to find at least 3 current pulses over 500 mA
over all the measuring period, else an "open tweeter" message will be issued.
The frequency / magnitude setting of the test tone depends on the impedance
characteristics of each specific speaker being used, with or without the tweeter connected
(to be calculated case by case). High-frequency tones (> 10 kHz) or even ultrasonic signals
are recommended for their negligible acoustic impact and also to maximize the impedance
module's ratio between with tweeter-on and tweeter-off.
Figure 27 shows the load impedance as a function of the peak output voltage and the
relevant diagnostic fields.
This feature is disabled if any overloads leading to activation of the short-circuit protection
occurs in the process.
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