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L99DZ120 Datasheet(PDF) 10 Page - STMicroelectronics |
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L99DZ120 Datasheet(HTML) 10 Page - STMicroelectronics |
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10 / 162 page ![]() List of figures L99DZ120 10/162 DocID029145 Rev 4 List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 2. Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 3. Activation profile 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 4. Activation profile 1 (first cycle) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 5. Activation profile 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 6. Activation profile 2 (first cycle) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 7. LQFP64 package and PCB thermal configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 8. Voltage regulator V1 characteristics (quiescent current and accuracy) . . . . . . . . . . . . . . . 28 Figure 9. Watchdog timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Figure 10. Watchdog early, late and safe windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Figure 11. Hard Short case, the OC threshold is reached before end of blanking time. . . . . . . . . . . . 39 Figure 12. Overload case, the OC threshold is reached after end of blanking time. . . . . . . . . . . . . . . 39 Figure 13. H-driver delay times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Figure 14. IGHxr ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Figure 15. IGHxf ranges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Figure 16. LIN transmit, receive timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Figure 17. SPI – transfer timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Figure 18. SPI input timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Figure 19. SPI output timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Figure 20. SPI CSN - output timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Figure 21. SPI – CSN high to low transition and global status bit access . . . . . . . . . . . . . . . . . . . . . . 58 Figure 22. Voltage regulator behaviour and diagnosis during supply voltage . . . . . . . . . . . . . . . . . . . 61 Figure 23. NINT pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Figure 24. Main operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Figure 25. Watchdog in normal operating mode (no errors) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Figure 26. Watchdog with error conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Figure 27. Watchdog in Flash mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Figure 28. NReset pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Figure 29. RxDL pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Figure 30. Wake-up behavior according to LIN 2.2a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Figure 31. Thermal shutdown protection and diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Figure 32. Example of long auto-recovery on OUT7. Temperature acquisition starts after tAR, thermal expiration occurs after a ∆T = 30° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Figure 33. Block diagram of physical realization of AR alert and thermal expiration . . . . . . . . . . . . . . 81 Figure 34. Charge pump low filtering and start up implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Figure 35. Software strategy for half bridges before applying auto-recovery mode. . . . . . . . . . . . . . . 84 Figure 36. Overcurrent recovery mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Figure 37. H-bridge GSHx slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 Figure 38. H-bridge diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Figure 39. H-bridge open-load-detection (no open-load detected) . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Figure 40. H-bridge open-load-detection (open-load detected) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Figure 41. H-bridge open-load-detection (short to ground detected) . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Figure 42. H-bridge open-load detection (short to VS detected) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Figure 43. PWMH cross current protection time implementation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Figure 44. LSx_FSO: low-side driver “passively” turned on, taking supply from output pin (if main supply fails), can guarantee VLSx_FSO < VOUT_max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Figure 45. Safety concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 Figure 46. Thermal clusters identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 |
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