Overview
The TCAN1043A-Q1, produced by Texas Instruments, is a high-speed Controller Area Network (CAN) transceiver designed to meet the physical layer requirements of the ISO 11898-2:2016 high-speed CAN specification. This device supports both classical CAN and CAN FD data rates up to 8 megabits per second (Mbps) for the TCAN1043A-Q1 and up to 5 Mbps for variants like the TCAN1043AT-Q1. It is AEC Q100 (Grade 1) qualified for automotive applications and is functional safety-capable, making it suitable for a wide range of automotive and industrial applications where reliability and power efficiency are critical.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Protocols | CAN, CAN FD | Number of channels | 1 |
| Supply voltage (V) | 4.5 to 40 | Bus fault voltage (V) | -58 to 58 |
| Signaling rate (max) (MBits) | 8 | Rating | Automotive |
| Operating temperature range (°C) | -40 to 150 | Low-power mode | Sleep, Standby |
| Common-mode voltage (V) | -12 to 12 | VIO level shifting | 1.7 V to 5.5 V |
| Package types | SOIC-14, VSON-14 | Package size (VSON) | 4.50 mm x 3.00 mm |
Key Features
- AEC Q100 (Grade 1) Qualified for automotive applications
- Functional Safety-Capable with documentation available for functional safety system design
- Meets the requirements of ISO 11898-2:2016
- Wide input operational voltage range
- Supports classic CAN and CAN FD up to 8 Mbps (TCAN1043A-Q1) or 5 Mbps (TCAN1043AT-Q1)
- VIO level shifting supports: 1.7 V to 5.5 V
- Operating modes: Normal, Silent, Standby, Low-power sleep mode
- High-voltage INH output for system power control
- Local wake-up support via the WAKE pin
- Sleep Wake Error (SWE) timer for safe transition to Sleep mode
- Protection features: ±58-V CAN bus fault tolerant, Load dump support on VSUP, IEC ESD protection, Under-voltage protection, Thermal shutdown protection, TXD dominant state timeout (TXD DTO)
Applications
- High-speed CAN communication
- Automotive body electronics and lighting
- Automotive gateway
- Advanced driver assistance systems (ADAS)
- Infotainment and cluster systems
- Hybrid, electric, and powertrain systems
- Personal transport vehicles - electric bikes
- Industrial automation systems
- Industrial transportation
Q & A
- What is the TCAN1043A-Q1?
The TCAN1043A-Q1 is a high-speed Controller Area Network (CAN) transceiver designed for automotive and industrial applications.
- What are the supported data rates for the TCAN1043A-Q1?
The device supports classic CAN and CAN FD data rates up to 8 Mbps (TCAN1043A-Q1) or 5 Mbps (TCAN1043AT-Q1).
- What are the operating modes of the TCAN1043A-Q1?
The device operates in Normal, Silent, Standby, and Low-power sleep modes.
- What is the purpose of the INH output pin?
The INH output pin is used for system power control, allowing the device to initiate system start-up by driving INH high when a wake-up event is detected.
- What protection features does the TCAN1043A-Q1 have?
The device includes protection features such as ±58-V CAN bus fault tolerance, load dump support on VSUP, IEC ESD protection, under-voltage protection, thermal shutdown protection, and TXD dominant state timeout (TXD DTO).
- What is the Sleep Wake Error (SWE) timer?
The SWE timer enables a safe transition to Sleep mode after 4 minutes of inactivity in Standby mode, ensuring the device transitions to low-power Sleep mode if the MCU fails to transition it to Normal mode.
- What are the package options for the TCAN1043A-Q1?
The device is available in SOIC-14 and VSON-14 packages.
- What is the operating temperature range of the TCAN1043A-Q1?
The operating temperature range is -40°C to 150°C.
- Is the TCAN1043A-Q1 qualified for automotive applications?
Yes, it is AEC Q100 (Grade 1) qualified for automotive applications.
- Does the TCAN1043A-Q1 support local wake-up?
Yes, it supports local wake-up via the WAKE pin.
