Overview
The TCAN1145DMTRQ1 is a high-speed CAN FD transceiver from Texas Instruments, designed to meet the stringent requirements of automotive and industrial applications. This device is part of the TCAN114x-Q1 family, which supports data rates up to 5 Mbps and complies with the ISO 11898-2:2016 standard. It features advanced functionalities such as selective wake and partial networking, enabling systems to operate with reduced power consumption. The transceiver is configured using a serial peripheral interface (SPI) and supports nominal processor IO voltages from 1.8 V to 5 V, making it versatile for various system designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VSUP) | 4.5 - 28 | V |
| I/O Supply Voltage (VIO) | 1.71 - 5.5 | V |
| CAN Transceiver Supply Voltage (VCC) | 4.5 - 5.5 | V |
| Digital Output High Level Current (IOH(DO)) | -2 | mA |
| Digital Output Low Level Current (IOL(DO)) | 2 | mA |
| Inhibit/LIMP Pin Current (IO(INH/LIMP)) | 1 | mA |
| Junction Temperature (TJ) | -40 to 150 | °C |
| Thermal Shut Down (TSDR) | 175 | °C |
| Thermal Shut Down Release (TSDF) | 160 | °C |
| Thermal Shut Down Warning (TSDW) | 150 | °C |
| Thermal Shut Down Hysteresis (TSDHYS) | 10 | °C |
| Bus Fault Protection | ±58 V | |
| Common Mode Range | ±12 V | |
| Package Types | SOIC (14-pin), VSON (14-pin), SOT23 (14-pin) |
Key Features
- AEC-Q100 (Grade 1) qualified for automotive applications
- Meets the requirements of ISO 11898-2:2016
- Supports selective wake and partial networking
- CAN FD communication rates up to 5 Mbps
- Functional Safety Quality-Managed (TCAN1144-Q1 and TCAN1146-Q1) and Functional Safety-Capable (TCAN1145-Q1)
- Wide operating range with ±58-V Bus fault protection and ±12-V Common mode
- Watchdog: Timeout, Window, and Q&A; Bus fault diagnostics and reporting; Programmable INH/LIMP pin
- Supports nominal processor IO voltages from 1.8 V to 5 V
- VSON package with improved automated optical inspection (AOI) capability
Applications
- Body electronics and lighting
- Automotive infotainment and cluster
- Hybrid, electric, and powertrain systems
- Industrial transportation
Q & A
- What is the maximum data rate supported by the TCAN1145DMTRQ1? The TCAN1145DMTRQ1 supports CAN FD communication rates up to 5 Mbps.
- What standards does the TCAN1145DMTRQ1 comply with? The TCAN1145DMTRQ1 complies with the ISO 11898-2:2016 standard.
- What is the purpose of the selective wake feature in the TCAN1145DMTRQ1? The selective wake feature allows systems to implement partial networking, enabling nodes to wake up based on WUF identification and reducing power consumption.
- What are the supported I/O voltage ranges for the TCAN1145DMTRQ1? The TCAN1145DMTRQ1 supports nominal processor IO voltages from 1.8 V to 5 V.
- What types of packages are available for the TCAN1145DMTRQ1? The TCAN1145DMTRQ1 is available in SOIC (14-pin), VSON (14-pin), and SOT23 (14-pin) packages.
- What is the junction temperature range for the TCAN1145DMTRQ1? The junction temperature range is -40°C to 150°C.
- Does the TCAN1145DMTRQ1 support watchdog and bus fault diagnostics? Yes, the TCAN1144-Q1 and TCAN1146-Q1 support watchdog and advanced bus diagnostics, but the TCAN1145-Q1 is Functional Safety-Capable.
- What is the thermal shut down temperature for the TCAN1145DMTRQ1? The thermal shut down temperature is 175°C.
- What is the common mode range for the TCAN1145DMTRQ1? The common mode range is ±12 V.
- Is the TCAN1145DMTRQ1 qualified for automotive applications? Yes, the TCAN1145DMTRQ1 is AEC-Q100 (Grade 1) qualified for automotive applications.
