DocID023498 Rev 9

5/41

TDA7569BLV

List of figures

5

List of figures

Figure 1.

Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2.

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 3.

Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 4.

Application circuit (TDA7569BLVPD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 5.

Pin connection diagram of the Flexiwatt27 (top of view). . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 6.

Pin connection diagram of the PowerSO36 slug up (top of view). . . . . . . . . . . . . . . . . . . . . 8

Figure 7.

Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 8.

Output power vs. supply voltage (4 Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 9.

Distortion vs. output power (4 Ω, STD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 10.

Distortion vs. output power (4 Ω, HI-EFF). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 11.

Distortion vs. output power (2 Ω, STD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 12.

Distortion vs. output power (2 Ω, HI-EFF). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 13.

Distortion vs. frequency (2 Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 14.

Distortion vs. output power Vs = 6 V (4 Ω, STD). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 15.

Distortion vs. frequency (4 Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 16.

Crosstalk vs. frequency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 17.

Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 18.

Power dissipation vs. average output power (audio program simulation, 2 Ω). . . . . . . . . . 15

Figure 19.

Power dissipation vs. average output power (audio program simulation, 4 Ω). . . . . . . . . . 16

Figure 20.

Total power dissipation and efficiency vs. output power (4 Ω, HI-EFF, Sine). . . . . . . . . . . 16

Figure 21.

Total power dissipation and efficiency vs. output power (4 Ω, STD, Sine) . . . . . . . . . . . . . 16

Figure 22.

ITU R-ARM frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . 16

Figure 23.

Turn-on diagnostic: working principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Figure 24.

SVR and output behavior (Case 1: without turn-on diagnostic) . . . . . . . . . . . . . . . . . . . . . 17

Figure 25.

SVR and output pin behavior (Case 2: with turn-on diagnostic) . . . . . . . . . . . . . . . . . . . . . 18

Figure 26.

Short circuit detection thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 27.

Load detection thresholds - high gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 28.

Load detection threshold - low gain setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 29.

Restart timing without diagnostic enable (permanent) - Each 1 mS time,

a sampling of the fault is done . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 30.

Restart timing with diagnostic enable (permanent). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 31.

Current detection high: load impedance |Z| vs. output peak voltage . . . . . . . . . . . . . . . . . 21

Figure 32.

Current detection low: load impedance |Z| vs. output peak voltage . . . . . . . . . . . . . . . . . . 21

Figure 33.

Thermal foldback diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 34.

Worst case battery cranking curve sample 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 35.

Worst case battery cranking curve sample 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 36.

Upwards fast battery transitions diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 37.

Inputs impedance matching circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Figure 38.

High efficiency - basic structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 39.

Data validity on the I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 40.

Timing diagram on the I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 41.

Acknowledge on the I2C bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 42.

Flexiwatt27 (horizontal) mechanical data and package dimensions. . . . . . . . . . . . . . . . . . 36

Figure 43.

Flexiwatt27 (vertical) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . 37

Figure 44.

Flexiwatt27 (SMD) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . 38

Figure 45.

PowerSO36 (slug up) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . 39