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DATA SHEET
TPIC1021 LIN Physical Interface
1 Features
- LIN physical layer specification revision 2.1 compliant conforms to SAEJ2602 recommended practice for LIN
- LIN bus speed up to 20 kbps
- ESD protection to 12 kV (human body model) on LIN pin
- LIN pin handles voltage from –40 V to 40 V
- Survives transient damage in automotive environment (ISO 7637)
- Operation with supply from 7-V to 27-V DC
- Two operation modes: normal and low-power (sleep) mode
- Low current consumption in low power mode
- Wake-up available from LIN bus, wake-up input (external switch) or host MCU
- Interfaces to MCU with 5-V or 3.3-V I/O pins
- Dominant state timeout protection on TXD pin
- Wake-up request on RXD pin
- Control of external voltage regulator (INH Pin)
- Integrated pull-up resistor and series diode for LIN responder applications
- Low EME (electromagnetic emissions), high EMI (electromagnetic immunity)
- Bus terminal short-circuit protected for short to battery or short to ground
- Thermally protected
- Ground disconnection fail-safe at system level
- Ground shift operation at system level
- Unpowered node does not disturb the network
2 Applications
- Industrial sensing
- White goods distributed control
![](//collector-Dl82I3Ui.perimeterx.net/api/v1/collector/pxPixel.gif?appId=Dl82I3Ui)