MLX80031 datasheet(2/50 Pages) MELEXIS

2 / 50 page

MLX80050/51/30/31

LIN System Basis ICs

Datasheet

MLX80050/51/30/31 – Datasheet

Page 2

3901080050

Jun 2016

011

Contents

1. LIST OF TABLES................................................................................................................................................................ 4

2. LIST OF FIGURES.............................................................................................................................................................. 4

3. ELECTRICAL SPECIFICATION ............................................................................................................................................ 5

3.1. DC CHARACTERISTICS .................................................................................................................................................... 6

3.2. AC CHARACTERISTICS .................................................................................................................................................. 11

3.3. TIMING DIAGRAMS...................................................................................................................................................... 14

4. PIN CONFIGURATION .................................................................................................................................................... 15

4.1. MLX80030 AND MLX80050 - SOIC8 ......................................................................................................................... 15

4.2. MLX80031 AND MLX80051 IN QFN20 ...................................................................................................................... 16

3. FUNCTIONAL DESCRIPTION........................................................................................................................................... 17

3.1. SUPPLY PIN VS........................................................................................................................................................... 19

3.2. EN INPUT PIN ............................................................................................................................................................ 19

3.3. GROUND PIN GND ..................................................................................................................................................... 19

3.4. LIN 19

3.5. RECEIVER OUTPUT RXD ............................................................................................................................................... 19

3.6. TRANSMIT INPUT TXD ................................................................................................................................................. 19

3.6.1.

TxD dominant time-out feature.................................................................................................................. 19

3.7. OUTPUT NRES .......................................................................................................................................................... 20

3.8. VOLTAGE REGULATOR PINS VCC AND RTG ...................................................................................................................... 20

3.9. INH OUTPUT (ONLY MLX80031/51) ........................................................................................................................... 20

3.10. WAKE INPUT (ONLY MLX80031/51)......................................................................................................................... 20

3.11. KL15 INPUT (ONLY MLX80031/51)........................................................................................................................... 20

3.12. WATCHDOG TRIGGER INPUT NWDI (ONLY MLX80031/51) ........................................................................................... 20

3.13. WATCHDOG OSCILLATOR RESISTOR RBWD (ONLY MLX80031/51) ................................................................................... 20

3.14. MODE INPUT MODE (ONLY MLX80031/51) .............................................................................................................. 20

4. OPERATIONAL MODES .................................................................................................................................................. 21

4.1. MODES OVERVIEW ..................................................................................................................................................... 22

4.2. INITIALISATION AND STANDBY MODE .............................................................................................................................. 23

4.3. NORMAL MODE ......................................................................................................................................................... 23

4.4. SILENT MODE ............................................................................................................................................................ 24

4.5. SLEEP MODE ............................................................................................................................................................. 25

4.6. INIT-STATE ................................................................................................................................................................ 27

5. WAKE UP PROCEDURES ................................................................................................................................................ 28

5.1. WAKE UP SOURCE RECOGNITION IN MLX80031/51 ....................................................................................................... 28

6. FUNCTIONALITY ............................................................................................................................................................ 29

6.1. RESET BEHAVIOUR OF MLX8003X/5X.......................................................................................................................... 29

6.2. THERMAL SHUTDOWN................................................................................................................................................. 29

6.3. VS UNDER VOLTAGE RESET ........................................................................................................................................... 30

6.4. LIN-TRANSCEIVER ...................................................................................................................................................... 30

6.5. VOLTAGE REGULATOR ................................................................................................................................................. 31

7. WINDOW-WATCHDOG (ONLY MLX80031/51).............................................................................................................. 32

7.1. MLX80031/51 WATCHDOG BEHAVIOUR ...................................................................................................................... 32

7.2. ALL WATCHDOG START-UP SCENARIOS ............................................................................................................................ 33

7.2.1.

After power-on and initialization................................................................................................................ 33

MLX80031 Datasheet(PDF) 2 Page - Melexis Microelectronic Systems

MLX80031 Datasheet(HTML) 2 Page - Melexis Microelectronic Systems

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

Datasheet Download

Link URL