SLLSG42
September 2026
TCAN944-Q1
ADVANCE INFORMATION
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
ESD Ratings, IEC Specification
6.4
Recommended Operating Conditions
6.5
Thermal Information
6.6
Power Supply Characteristics
6.7
Dissipation Ratings
6.8
Electrical Characteristics
6.9
Switching Characteristics
6.10
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Pin Description
8.3.1.1
TXD
8.3.1.2
GND
8.3.1.3
VCC
8.3.1.4
RXD
8.3.1.5
VIO
8.3.1.6
CANH and CANL
8.3.1.7
STB (Standby)
8.3.2
CAN Bus States
8.3.3
TXD Dominant Timeout (DTO)
8.3.4
CAN Bus Short-Circuit Current Limiting
8.3.5
Thermal Shutdown (TSD)
8.3.6
Undervoltage Lockout
8.3.7
Unpowered Device
8.3.8
Floating pins
8.4
Device Functional Modes
8.4.1
Operating Modes
8.4.2
Normal Mode
8.4.3
Standby Mode
8.4.3.1
Remote Wake Request via Wake-Up Pattern (WUP) in Standby Mode
8.4.4
Driver and Receiver Function
9
Application Information Disclaimer
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.1.1
CAN Termination
9.2.2
Detailed Design Procedures
9.2.2.1
Bus Loading, Length and Number of Nodes
9.2.3
Application Curve
9.3
System Examples
9.4
Power Supply Recommendations
9.5
Layout
9.5.1
Layout Guidelines
9.5.2
Layout Example
10
Device and Documentation Support
10.1
Receiving Notification of Documentation Updates
10.2
Support Resources
10.3
Trademarks
10.4
Electrostatic Discharge Caution
10.5
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
D|8
MSOI002K
DRB|8
MPDS118K
Thermal pad, mechanical data (Package|Pins)
Data Sheet
TCAN944-Q1
Automotive Fault-Protected CAN FD Transceiver with Standby Mode