TLE 6251-2G Infineon Technologies, TLE 6251-2G Datasheet - Page 15

• Manufacturer Part Number: TLE 6251-2G
• Manufacturer: Infineon Technologies

Specifications of TLE 6251-2G

• Packages: PG-DSO-14
• Transmission Ratemax: 1.0 Mbit/s
• Quiescent Current (max.): < 30 µA @ 5V standby
• Bus Wake-up Capability: Yes
• Additional Features: NSTB, WK, EN, NERR, INH, Vio
• Wake-up Inputs: Bus wake-up + wake-up pin

6.2
The TLE6251-2G can be activated from Sleep Mode by a signal change on the WK pin, also called local Wake -
the WK pin works bi-sensitive, meaning the Wake - Up logic on the pin WK triggers on a both signal changes, from
“High” to “Low” and from “Low” to “High” (see
Figure 7
A filter time
on the pin WK. The threshold values
In Stand-By mode the RxD output pin and the NERR output pin display the CAN bus Wake - Up event by a logical
“Low” signal (Details see
event and has changed to Stand-By Mode, the INH output pin becomes active and provides the voltage
external circuitry.
Data Sheet
Up. Designed to withstand voltages up to 40V the WK pin can be directly connected to
V
V
INH
INH
WK
WK
t
WK(local)
Local Wake - Up
Local Wake - Up
is implemented to protect the TLE6251-2G against unintended Wake - Up’s, caused by spikes
Chapter
No Wake-Up
8). Once the HS CAN Transceiver TLE6251-2G has recognized the Wake - Up
V
Sleep Mode
Sleep Mode
WK,H
t < t
t < t
and
Wk(local)
Figure
Wk(local)
V
Sleep Mode
WK,L
No Wake-Up
7).
depend on the level of the
15
t > t
t > t
Wk(local)
Wk(local)
V
Stand-By Mode
Stand-By Mode
Stand-By Mode
S
power supply.
Wake-Up
V
S
Wake-Up
Wake - Up Functions
. The internal logic on
Rev. 1.0, 2009-05-07
V
V
WK,L
WK,H
TLE6251-2G
t
t
t
t
V
S
to the