Overview
The TCAN4550RGYTQ1, produced by Texas Instruments, is a CAN FD (Controller Area Network with Flexible Data Rate) controller integrated with a CAN FD transceiver. This device is designed to provide a robust interface between the CAN bus and the system processor, supporting both classic CAN and CAN FD protocols. It is particularly useful for automotive applications, given its AEC-Q100 qualification and temperature grade 1 rating, which ensures operation from –40°C to 125°C. The TCAN4550RGYTQ1 facilitates communication through a serial peripheral interface (SPI) and supports data rates up to 8 Mbps, making it suitable for high-speed CAN networks.
Key Specifications
| Specification | Value |
|---|---|
| Brand | Texas Instruments |
| Maximum Data Rate | 8 Mbps |
| Number of Transceivers | 1 |
| Standard Supported | CAN FD, ISO 11898-1:2015, ISO 11898-2:2016 |
| Power Down Mode | Sleep |
| Maximum Supply Current | 180 mA |
| Operating Temperature Range | –40°C to 125°C |
| Package Type | VQFN (RGY), 20 pins |
| Input/Output Logic Voltage | 3.3 V to 5 V |
| Bus Fault Protection | ±58 V |
| Common Mode Voltage | ±12 V |
Key Features
- CAN FD controller with integrated CAN FD transceiver supporting data rates up to 8 Mbps.
- Supports both classic CAN and CAN FD protocols, allowing port expansion or CAN support with processors that do not support CAN FD.
- Serial peripheral interface (SPI) for communication with the system processor.
- AEC-Q100 qualified for automotive applications.
- Temperature grade 1: –40°C to 125°C.
- Functional Safety Quality-Managed.
- Operating modes: normal, standby, sleep, and failsafe.
- Integrated low drop out voltage regulator supplying 5 V to CAN transceiver and up to 70 mA for external devices.
- Bus and logic terminals are high impedance (no load to operating bus or application).
- Power up and down glitch-free operation.
- Failsafe mode, internal dominant state timeout, wide bus operating range, and time-out watchdog for robustness.
Applications
The TCAN4550RGYTQ1 is primarily designed for automotive applications, where its robustness and compliance with automotive standards are crucial. It is suitable for use in vehicle networks, including body control modules, engine control units, and other systems that require high-speed CAN communication. Additionally, it can be used in industrial automation, medical devices, and any other application requiring reliable and high-speed CAN FD communication.
Q & A
- What is the maximum data rate supported by the TCAN4550RGYTQ1?
The TCAN4550RGYTQ1 supports data rates up to 8 Mbps.
- What standards does the TCAN4550RGYTQ1 comply with?
The device complies with ISO 11898-1:2015 and ISO 11898-2:2016 standards for CAN FD.
- What is the operating temperature range of the TCAN4550RGYTQ1?
The operating temperature range is from –40°C to 125°C.
- What is the package type and pin count of the TCAN4550RGYTQ1?
The device comes in a VQFN (RGY) package with 20 pins.
- Does the TCAN4550RGYTQ1 support classic CAN?
Yes, it supports both classic CAN and CAN FD protocols.
- What is the maximum supply current of the TCAN4550RGYTQ1?
The maximum supply current is 180 mA.[
- What protection features does the TCAN4550RGYTQ1 include?
The device includes failsafe mode, internal dominant state timeout, wide bus operating range, and a time-out watchdog for robustness.[
- How does the TCAN4550RGYTQ1 support wake-up?
The device supports wake-up via local wake-up (LWU) and bus wake using the CAN bus implementing the ISO11898-2:2016 Wake-Up Pattern (WUP).[
- What is the input/output logic voltage range of the TCAN4550RGYTQ1?
The input/output logic voltage range is 3.3 V to 5 V.[
- Does the TCAN4550RGYTQ1 have an integrated voltage regulator?
Yes, it includes an integrated low drop out voltage regulator supplying 5 V to the CAN transceiver and up to 70 mA for external devices.[
