Rainbow-electronics ATA6624 Manual de usuario descargar pdf (Pagina 20)

4986F–AUTO–07/08

ATA6622/ATA6624/ATA6626

8.7

LIN current limitation

BUS

= V

Batt_max

LIN I

BUS_LIM

40 120 200 mA A

8.8

Input leakage current at

the receiver including

pull-up resistor as

specified

Input leakage current

Driver off

BUS

= 0V

Batt

= 12V

LIN I

BUS_PAS_dom

–1 –0.35 mA A

8.9

Leakage current LIN

recessive

Driver off

8V < V

Batt

< 18V

8V < V

BUS

< 18V

BUS

≥ V

Batt

LIN I

BUS_PAS_rec

15 20 µA A

8.10

Leakage current when

control unit disconnected

from ground.

Loss of local ground

must not affect

communication in the

residual network.

GND

Device

= V

Batt

= 12V

0V < V

BUS

< 18V

LIN I

BUS_NO_gnd

–10 +0.5 +10 µA A

8.11

Node has to sustain the

current that can flow

under this condition. Bus

must remain operational

under this condition.

Batt

disconnected

SUP_Device

= GND

0V < V

BUS

< 18V

LIN I

BUS

515µAA

9 LIN Bus Receiver

9.1

Center of receiver

threshold

BUS_CNT

th_dom

+ V

rec

)/2

LIN V

BUS_CNT

0.475 ×

0.5 ×

0.525 ×

9.2 Receiver dominant state V

= 5V LIN V

BUSdom

0.4 × V

9.3 Receiver recessive state V

= 5V LIN V

BUSrec

0.6 × V

9.4

Receiver input

hysteresis

hys

= V

th_rec

– V

th_dom

LIN V

BUShys

0.028 ×

0.1 × V

0.175 ×

9.5

Pre_Wake detection LIN

High-level input voltage

LIN V

LINH

– 1V

0.3V

9.6

Pre_Wake detection LIN

Low-level input voltage

Activates the LIN receiver LIN V

LINL

–27

–

3.3V

10 Internal Timers

10.1

Dominant time for

wake-up via LIN bus

LIN

= 0V t

bus

30 90 150 µs A

10.2

Time delay for mode

change from Fail-safe

into Normal Mode via

EN pin

= 5V t

norm

51520µsA

10.3

Time delay for mode

change from Normal

Mode to Sleep Mode via

EN pin

= 0V t

sleep

2 7 12 µs A

10.4

TXD dominant time-out

timer (ATA6626 disabled)

TXD

= 0V t

dom

61320msA

8. Electrical Characteristics (Continued)

5V < V

< 27V, -40°C < Tj < 150°C, unless otherwise specified. All values refer to GND pins

No. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type*

*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 28 29

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Rainbow-electronics ATA6624 Manual de usuario Pagina 20

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