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FEATURES

RXD

TXD

NWake

INH

EN

LIN

GND

Receiver

Filter

TPIC1021A

Wake Up, State,

and INH Control

Fault

Detection

and Protection

Driver

With Slope

Control

Dominant

State

Timeout

Filter

TPIC1021A-Q1

LIN PHYSICAL INTERFACE

• LIN Physical Layer Specification Revision 2.0

• Dominant State Timeout Protection

Compliant and Conforms to SAEJ2602

• Wake-Up Request on RXD Pin

Recommended Practice for LIN

• Control of External Voltage Regulator (INH Pin)

• LIN Bus Speed up to 20-kbps LIN Specified

• Integrated Pullup Resistor and Series Diode

Maximum

for LIN Slave Applications

• Sleep Mode: Ultralow Current Consumption,

• Low Electromagnetic Emission (EME), High

Allows Wake-Up Events From LIN Bus,

Electromagnetic Immunity (EMI)

Wake-Up Input (External Switch), or Host MCU

• Bus Terminal Short Circuit Protected for

• High-Speed Receive Capable

Short to Battery or Short to Ground

• ESD Protection to ±12 kV (Human-Body Model)

• Thermally Protected

on LIN Pin

• Ground Disconnection Fail Safe at System

• LIN Pin Handles Voltage From –40 V to 40 V

Level

• Survives Transient Damage in Automotive

• Ground Shift Operation at System Level

Environment (ISO 7637)

• Unpowered Node Does Not Disturb the

• Extended Operation With Supply From 7 V to

Network

27 V DC (LIN Specification 7 V to 18 V)

• Supports ISO9141 (K-Line)-Like Functions

• Interfaces to MCU With 5-V or 3.3-V I/O Pins

FUNCTIONAL BLOCK DIAGRAM

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Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2007–2009, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.