L99DZ320 datasheet(145/146 Pages) STMICROELECTRONICS

145 / 146 page

List of figures

Figure 1.

Block diagram .................................................................... 3

Figure 2.

Pin connection (top view) ............................................................. 4

Figure 3.

LQFP64 printed circuit board ......................................................... 11

Figure 4.

Watchdog timing .................................................................. 17

Figure 5.

Watchdog early, late and safe windows .................................................. 18

Figure 6.

H-Driver delay times ............................................................... 27

Figure 7.

IGHxr range (a) .................................................................. 28

Figure 8.

IGHxf range (b)................................................................... 28

Figure 9.

LIN transmit, receive timing .......................................................... 39

Figure 10.

SPI transfer timing diagram .......................................................... 41

Figure 11.

SPI input timing .................................................................. 41

Figure 12.

SPI output timing ................................................................. 42

Figure 13.

SPI CSN output timing.............................................................. 43

Figure 14.

SPI - CSN low to high transition and global status bit access ................................... 43

Figure 15.

Voltage regulator behavior and diagnosis during supply voltage ramp-up/ramp-down conditions ........... 47

Figure 16.

Cyclic monitoring: the external contacts are supplied periodically by the internal timer .................. 50

Figure 17.

Main operating modes .............................................................. 52

Figure 18.

Watchdog in normal operating mode (no errors) ............................................ 53

Figure 19.

Watchdog with error conditions ........................................................ 53

Figure 20.

Watchdog in debug mode ........................................................... 54

Figure 21.

NRESET pin..................................................................... 56

Figure 22.

Wake-up behavior according to LIN 2.2a ................................................. 58

Figure 23.

Transceiver state diagram ........................................................... 59

Figure 24.

CAN wake-up capabilities ........................................................... 61

Figure 25.

Thermal shutdown protection and diagnosis ............................................... 64

Figure 26.

Charge pump low filtering and startup implementation ....................................... 66

Figure 27.

Overcurrent threshold reached during blanking time ......................................... 67

Figure 28.

OC threshold reached after blanking time (OC filter time is reduced by the blanking time) ............... 67

Figure 29.

Half bridges in PWM mode: filter time is tFOC_PWM .......................................... 68

Figure 30.

Half bridge short-circuit detection in latch mode (overcurrent recovery disabled) and OCR mode (overcurrent

recovery enabled) ................................................................. 68

Figure 31.

Half bridge short-circuit detection in PWM mode: filter time is tFSC_PWM ............................ 69

Figure 32.

Half bridge GSHx slope ............................................................. 72

Figure 33.

H-bridge diagnosis ................................................................ 73

Figure 34.

H-bridge off state diagnosis (no open-load detected) ......................................... 74

Figure 35.

H-bridge off state diagnosis (open-load detected) ........................................... 74

Figure 36.

H-bridge off state diagnosis (short to ground detected) ....................................... 75

Figure 37.

H-bridge off state diagnosis (short to Vs detected)........................................... 75

Figure 38.

PWMH cross current protection time implementation ......................................... 76

Figure 39.

Digital thermal clusters identification .................................................... 78

Figure 40.

SPI pin description ................................................................ 80

Figure 41.

SPI signal description .............................................................. 80

Figure 42.

SDI frame ...................................................................... 81

Figure 43.

SDO frame...................................................................... 82

Figure 44.

Window watchdog operation.......................................................... 87

Figure 45.

Application circuit ................................................................. 90

Figure 46.

LQFP-64 package dimension ........................................................ 133

Figure 47.

LQFP-64 footprint ................................................................ 135

Figure 48.

LQFP-64 marking information ........................................................ 136

L99DZ320

List of figures

DS14235 - Rev 5

page 145/146

L99DZ320 Datasheet(PDF) 145 Page - STMicroelectronics

L99DZ320 Datasheet(HTML) 145 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL