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Datasheet File OCR Text: |
this is information on a product in full production. september 2014 docid025599 rev 5 1/42 tda75610slv 4 x 45 w power amplifier with full i 2 c diagnostics, high efficiency and low voltage operation datasheet - production data features ? multipower bcd technology ? mosfet output power stage ? dmos power output ? high efficiency (class sb) ? high output power capability 4x25 w/4 ? @ 14.4 v, 1 khz, 10% thd, 4 x 45 w max power ? 2 ? driving capability (64 w max power) ? full i 2 c bus driving: ? standby ? independent front/rear soft play/mute ? selectable gain 26 db /16 db (for low noise line output function) ? high efficiency enable/disable ?i 2 c bus digital diagnostics (including dc and ac load detection) ? flexible fault detection through integrated diagnostic ? 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 ? very robust against misconnections ? improved svr suppression during battery transients ? capable to operate down to 6 v (e.g. ?start-stop?) description the tda75610slv is a new quad bridge car radio amplifier, designed in b cd technology, in order to include a wide range of innovative features in a very compact and flexible device. the tda75610slv is equipped with the most complete diagnostics array that communicates the status of each speaker through the i 2 c bus. the dissipated output power under average listening condition is significantly reduced when compared to the conventional class ab solutions, thanks to the patented 'class sb' efficiency concept. tda75610slv has been designed to be very robust against several kinds of misconnections. it is moreover compliant to the most recent oem specifications for low voltage operation (so called 'start-stop' battery profile during engine stop), helping car manufacturers to reduce the overall emissions and thus contributing to environment protection. the st bcd in combination with 'class sb' efficiency and 'intelligent power' has been sold in million of units to most known car manufacturers, the tda75610slv is the latest and most compact member of this power amplifiers family. powerso36 flexiwatt27 (vert.) ' ! 0 ' 0 3 ' ! 0 ' 0 3 ' ! 0 ' 0 3 flexiwatt27 (smd) ' ! 0 ' 0 3 flexiwatt27 (horiz.) table 1. device summary order code package packing TDA75610S-8ZX flexiwatt27 (smd) tu b e tda75610s-8zt tape and reel tda75610s-48x flexiwatt27 (vert.) tube tda75610s -qlx flexiwatt27 (hor.) tube tda75610s-zsx powerso36 tu b e tda75610s-zst tape and reel www.st.com
contents tda75610slv 2/42 docid025599 rev 5 contents 1 block diagram and application ci rcuits . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3 electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.2 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 3.4 typical electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4 diagnostics functional descript ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 4.1 turn-on diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 4.2 permanent diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 4.3 output dc offset detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.4 ac diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5 multiple faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 5.1 faults availability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 6 thermal protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.1 fast muting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 7 battery transitions management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 7.1 low voltage operation (?start stop?) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 7.2 advanced battery management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 8 application suggestion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 8.1 inputs impedance matching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 8.2 high efficiency introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 9i 2 c bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9.1 i 2 c programming/reading sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9.2 address selection and i 2 c disable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 docid025599 rev 5 3/42 tda75610slv contents 3 9.3 i 2 c bus interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9.3.1 data validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9.3.2 start and stop conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.3.3 byte format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.3.4 acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 10 software specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 11 examples of bytes sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 12 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 13 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 list of tables tda75610slv 4/42 docid025599 rev 5 list of tables table 1. device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 table 2. pin list description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 3. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 table 4. thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 table 5. electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 table 6. double fault table for turn on diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 table 7. ib1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 table 8. ib2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 table 9. db1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 table 10. db2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 table 11. db3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 table 12. db4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 table 13. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 docid025599 rev 5 5/42 tda75610slv list of figures 5 list of figures figure 1. block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 2. application circuit for flexiwatt packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 3. application circuit for powerso package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 figure 4. pin connection diagram of the flexiwatt27 (top of view) . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 5. pin connection diagram of the powerso36 slug up (top of view). . . . . . . . . . . . . . . . . . . . . 8 figure 6. quiescent curren t vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 7. output power vs. supply voltage (4 ? ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 8. output power vs. supply voltage (2 ? ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 9. distortion vs. output power (4 ? , std) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 10. distortion vs. output power (4 ? , hi-eff). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 11. distortion vs. output power (2 ? , std) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 12. distortion vs. output power (2 ? , hi-eff). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 13. distortion vs. output power v s = 6 v (4 ? , std). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 14. distortion vs. frequency (4 ? ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 15. distortion vs. frequency (2 ? ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 16. crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 17. supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 18. power dissipation vs. average ou tput power (audio program simulation, 4 ? ). . . . . . . . . . 17 figure 19. power dissipation vs. average ou tput power (audio program simulation, 2 ? ). . . . . . . . . . 17 figure 20. total power dissipation and efficiency vs. output power (4 ? , hi-eff, sine). . . . . . . . . . . 17 figure 21. total power dissipation and efficiency vs. output power (4 ? , std, sine) . . . . . . . . . . . . . 17 figure 22. itu r-arm frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . 17 figure 23. turn-on diagnostic: working principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 24. svr and output behavior (case 1: without turn-o n diagnostic) . . . . . . . . . . . . . . . . . . . . . 18 figure 25. svr and output pin behavior (case 2: with turn -on diagnostic) . . . . . . . . . . . . . . . . . . . . . 19 figure 26. short circuit detection thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 27. load detection thresholds - high gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 28. load detection threshold - low gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 9 figure 29. restart timing without diagnosti c enable (permanent) - each 1 ms time, a sampling of the fault is done . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 30. restart timing with diagnostic enable (permanent). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 31. current detection high: load impedance |z| vs . output peak voltage . . . . . . . . . . . . . . . . . 22 figure 32. current detection low: load impedance |z| vs . output peak voltage . . . . . . . . . . . . . . . . . . 22 figure 33. thermal foldback diag ram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 figure 34. worst case battery cranking curv e sample 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 figure 35. worst case battery cranking curv e sample 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 figure 36. upwards fast battery transitions diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 6 figure 37. inputs impedance matching circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 figure 38. high efficiency - basic structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 figure 39. data validity on the i 2 c bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 figure 40. timing diagram on the i 2 c bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 figure 41. acknowledge on the i 2 c bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 figure 42. flexiwatt27 (horizontal) mechanical data an d package dimensions. . . . . . . . . . . . . . . . . . 37 figure 43. flexiwatt27 (vertical) mechanical data and pa ckage dimensions . . . . . . . . . . . . . . . . . . . . 38 figure 44. flexiwatt27 (smd) mechanical data and packag e dimensions . . . . . . . . . . . . . . . . . . . . . 39 figure 45. powerso36 (slug up) mechanical data and pack age dimensions . . . . . . . . . . . . . . . . . . . 40 block diagram and application circuits tda75610slv 6/42 docid025599 rev 5 1 block diagram and application circuits figure 1. block diagram figure 2. application circuit for flexiwatt packages 3 h o r t # i r c u i t 0 r o t e c t i o n $ i a g n o s t i c ) # " 5 3 - u t e - u t e 4 h e r m a l 0 r o t e c t i o n $ u m p # l i p $ e t e c t o r ) . ) . ) . ) . 6 # # 6 # # # $ ? / 5 4 / 5 4 / 5 4 / 5 4 / 5 4 / 5 4 / 5 4 / 5 4 / 5 4 3 h o r t # i r c u i t 0 r o t e c t i o n $ i a g n o s t i c 3 h o r t # i r c u i t 0 r o t e c t i o n $ i a g n o s t i c 3 h o r t # i r c u i t 0 r o t e c t i o n $ i a g n o s t i c d " d " d " d " 2 e f e r e n c e ! $ s e l # , + $ ! 4 ! 3 6 2 ! # ? ' . $ 4 ! " 3 ' . $ ! $ 3 % , ) # $ ) 3 0 7 ? ' . $ & & 2 2 3 4 " 9 - 5 4 % ' ! 0 ' 0 3 6 c c 6 c c # ? & # ? & 6 s 6 6 6 c c / 5 4 $ ! 4 ! 3 4 " 9 ) # " 5 3 # , + ) . # ? & / 5 4 ) . # ? & |