ATA6630 データシートの表示（PDF） - Atmel Corporation

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ATA6630

LIN Bus Transceiver with 3.3V (5V) Regulator and Watchdog

Atmel Corporation 

If the ATA6628/ATA6630 is in Sleep or Silent Mode and the voltage level at the LIN-bus is in dominant state (VLIN < VBUSdom)

for a time period exceeding tmon (during a short circuit at LIN, for example), the IC switches back to Sleep Mode respectively

Silent Mode. The VS current consumption then is IVSsleep_short or IVSsilent_short (typ. 10µA more than IVSsleep respectively

IVSsilent). After a positive edge at pin LIN the IC switches directly to Fail-safe Mode (see Figure 4-7 on page 13).

Figure 4-7. Short Circuit to GND on the LIN bus During Sleep- or Silent Mode

LIN BUS

VLINL

VBUSdom

IVS

IVSsleep/silent

LIN Pre-wake

LIN dominant state

tmon

tmon

IVSfail

IVSsleep_short /

IVSsilent_short

Mode of

operation Sleep/Silent Mode

Int. Pull-up

Resistor

RLIN

Wake-up Detection Phase Sleep/Silent

Mode

off (disabled)

Fail-Safe Mode

on (enabled)

ATA6628/ATA6630 [DATASHEET]

13

9117I–AUTO–10/14

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