TLE7257 Datasheet, PDF (5/31 Pages) Infineon Technologies AG – LIN Transceiver

3
Pin Configuration
3.1
Pin Assignment
TLE7257
Pin Configuration
RxD
1
8
INH
EN
2
7
V_S
N.C.
3
6
BUS
TxD
4
5
GND
PG-DSO-8
Figure 2 Pin configuration
3.2
Pin Definitions and Functions
RxD 1
8 INH
EN 2
N.C. 3
7 V_S
6 ^BUS
TxD 4
5 GND
PG-TSON-8
(Top side X-Ray view)
TLE7257_PINNING
Pin Symbol
Function
1
RxD
Receive data output;
External pull-up necessary
Monitors the LIN bus signal in Normal Operation mode
Indicates a wake-up event in Standby mode
2
EN
Enable input;
Integrated pull-down resistor
Logical “high” to select Normal Operation mode
3
N.C.
Not Connected
4
TxD
Transmit data input;
Integrated pull-up current source
Logical “low” to drive a “dominant” signal on the LIN bus
5
GND
Ground
6
BUS
Bus input / output;
Integrated LIN slave termination
7
V_s
Battery supply input;
100 nF decoupling capacitor required
8
INH
Inhibit output;
Battery supply related output
Active in Normal Operation mode and Standby mode
PAD¹⁾ –
Connect to PCB heat sink area. Do not connect to other voltage potential than GND
1) Only for PG-TSON-8 package version (TLE7257LE)
Data Sheet
5
Rev. 1.0, 2013-10-16