SLLA651
April 2025
TCAN2845-Q1
,
TCAN2847-Q1
,
TCAN2855-Q1
,
TCAN2857-Q1
1
Abstract
Trademarks
1
Introduction
2
Device States
2.1
Init Mode
2.2
Restart Mode
2.3
Standby Mode
2.4
Normal Mode
2.5
Sleep Mode
2.6
Fail-Safe Mode
3
Power Electronics
3.1
VSUP
3.2
VHSS
3.3
VCAN
3.4
VCC1
3.5
VCC2
3.6
VEXMON, VEXCTRL, and VEXCC
3.7
HSSx
4
Communication Capabilities
4.1
CAN-FD and Classical CAN
4.2
CAN-SIC
4.3
LIN
5
Protection Features
5.1
Undervoltage (UV) Monitors
5.1.1
VSUP
5.1.2
VHSS
5.1.3
VCAN
5.1.4
VEXCC
5.1.5
VCC1
5.1.6
VCC2
5.2
Overvoltage (OV) Monitors
5.2.1
HSSx
5.2.2
VCC1
5.2.3
VCC2
5.2.4
VEXCC
5.3
Short Circuit (SC) Monitors
5.3.1
VCC1
5.3.2
VCC2
5.3.3
VEXCC
5.4
Electrical Faults and Impact on SBC Mode
5.5
Temperature Sensors
5.6
Watchdog
5.6.1
Watchdog Error Counter
5.6.2
Timeout
5.6.3
Window
5.6.4
Initial Long Window
5.6.5
Q&A
5.7
Communication Fault Monitoring
5.7.1
CAN
5.7.2
LIN
5.8
LIMP
6
Programming, Memory, and Control
6.1
SPI
6.2
EEPROM
6.3
Interrupts
6.4
Control
7
Miscellaneous Features
7.1
Local Wake Ups
7.2
CAN Bus Wake Up (BWRR)
7.3
Partial Networking
7.4
GFO, nRST, and SW
8
Summary
9
References
9
References
Texas Instruments,
Firmware Guide for TCAN24xx and TCAN28xx Devices
, application note.
Texas Instruments,
TCAN241x-Q1 Automotive CAN FD System Basis Chip (SBC) with Integrated Buck Regulator and Watchdog
, data sheet .
Texas Instruments,
TCAN245x-Q1 Automotive Signal Improvement Capable CAN FD System Basis Chip (SBC) with Integrated Buck Regulator and Watchdog,
, data sheet.
Texas Instruments,
TCAN284xx-Q1 Automotive CAN FD and LIN System Basis Chip (SBC) with Integrated Watchdog, Selective Wake and Advanced CAN Bus Fault Diagnostics
, data sheet.
Texas Instruments,
TCAN285x-Q1 Automotive CAN FD SIC and LIN System Basis Chip (SBC) with Wake Inputs and High-side Switches
, data sheet .