Datasheet

TJA1021 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 7 — 25 March 2011 9 of 25
NXP Semiconductors
TJA1021
LIN 2.1/SAE J2602 transceiver
The output driver at pin LIN is protected against overtemperature conditions. If the
junction temperature exceeds the shutdown junction temperature T
j(sd)
, the thermal
protection circuit disables the output driver. The driver is enabled again when the junction
temperature has dropped below T
j(sd)
and a recessive level is present at pin TXD.
If V
BAT
drops below V
th(VBATL)L
, a protection circuit disables the output driver. The driver is
enabled again when V
BAT
>V
th(VBATL)H
and a recessive level is present at pin TXD.
Fig 4. Remote wake-up behavior
001aae071
LIN recessive
LIN dominant
sleep mode standby mode
0.4V
BAT
0.6V
BAT
ground
V
BAT
V
LIN
t
dom(LIN)