SLLSFX5A
March 2026 – October 2026
TLIN821-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Power Supply Characteristics
5.6
Electrical Characteristics
5.7
AC Switching Characteristics
5.8
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
LIN
7.3.1.1
LIN Transmitter Characteristics
7.3.1.2
LIN Receiver Characteristics
7.3.1.2.1
Termination
7.3.2
TXD
7.3.3
RXD
7.3.4
VSUP
7.3.5
GND
7.3.6
EN
7.3.7
WAKE
7.3.8
INH
7.3.9
Local Faults
7.3.10
TXD Dominant Time-Out (DTO)
7.3.11
Bus Stuck Dominant System Fault: False Wake-Up Lockout
7.3.12
Thermal Shutdown
7.3.13
Under Voltage on VSUP
7.3.14
Unpowered Device
7.4
Device Functional Modes
7.4.1
Normal Mode
7.4.2
Sleep Mode
7.4.3
Standby Mode
7.4.4
Wake-Up Events
7.4.4.1
Local Wake-Up (LWU) using the WAKE Input Terminal
7.4.4.2
Wake-Up Request (RXD)
8
Application Information Disclaimer
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedures
8.2.2.1
Normal Mode Application Note
8.2.2.2
TXD Dominant State Time-Out Application Note
8.2.2.3
Standby Mode Application Note
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
1
Features
AEC-Q100 Qualified for automotive applications
Compliant to LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A and ISO 17987–4 electrical physical layer (EPL) specification
Compliant to SAE J2602-1 LIN Network for Vehicle Applications
Functional Safety-Capable
Documentation available to aid in functional safety system design
Wide input operational voltage range:
V
SUP
range from 5.5V to 28V
LIN transmit data rate up to 20kbps
LIN receive data rate up to 100kbps
Operating modes: Normal, Standby and Sleep
Low-power mode wake-up support with source recognition:
Remote wake-up over the LIN bus
Local wake-up via the WAKE pin
Local wake-up via EN
Integrated 37kΩ LIN pull-up resistor
Control of system-level power using the INH pin
Power-up and down glitch-free operation on LIN bus and RXD output
Protection features:
±40V LIN bus fault tolerant
Undervoltage protection on V
SUP
TXD dominant state time-out, thermal shutdown
Unpowered node or ground disconnection fail-safe at system level
Junction temperatures from -40°C to 150°C
8-pin SOIC and leadless VSON-8 package with improved automated optical inspection (AOI) capability