Overview
The TCAN1042HGDR from Texas Instruments is an automotive-grade, fault-protected CAN (Controller Area Network) transceiver designed to meet the stringent requirements of automotive and industrial applications. This device supports both classic CAN and CAN FD (Flexible Data Rate) protocols, enabling data rates up to 5 Mbps. It is compliant with ISO 11898-2:2016 and ISO 11898-5:2007 physical layer standards, ensuring reliable communication in harsh environments.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package | SOIC (8-pin), VSON (8-pin) | SOIC: 4.90 mm × 3.91 mm, VSON: 3.00 mm x 3.00 mm |
| Supply Voltage (VCC) | Transceiver supply voltage | 5 V |
| I/O Voltage (VIO) | I/O level shifting supply voltage (for devices with 'V' suffix) | 3.3 V, 5 V |
| Data Rate | Classic CAN and CAN FD data rates | Up to 2 Mbps (classic), up to 5 Mbps (CAN FD) |
| Bus Fault Protection | Bus fault protection voltage | ±70 V (H variants) |
| ESD Protection | HBM and IEC ESD protection | ±16 kV (HBM), ±15 kV (IEC) |
| Propagation Delay | Propagation delay time, low TXD to driver dominant | 55 ns to 75 ns |
| Receiver Timing | Propagation delay time, bus recessive input to high output | 65 ns |
| Thermal Shutdown | Thermal shutdown protection | Yes |
| Standby Mode | Low power standby mode with remote wake request | Yes |
Key Features
- Meets ISO 11898-2:2016 and ISO 11898-5:2007 physical layer standards.
- Supports classic CAN and CAN FD with data rates up to 5 Mbps.
- Ideal passive behavior when unpowered, with high impedance on bus and logic terminals.
- Glitch-free operation on bus and RXD output during power up/down.
- Protection features include HBM and IEC ESD protection, bus fault protection, undervoltage protection, driver dominant time out, and thermal shutdown protection.
- Low power standby mode with remote wake request feature.
- Supports 3.3 V and 5 V MCUs through I/O voltage level shifting (for devices with 'V' suffix).
Applications
- Automotive systems, including in-vehicle networks and safety-critical applications.
- Industrial control systems and automation.
- Medical devices requiring robust communication interfaces.
- Aerospace and defense applications where high reliability is crucial.
- Any application requiring fault-tolerant and high-speed CAN communication.
Q & A
- What are the key standards that the TCAN1042HGDR complies with?
The TCAN1042HGDR complies with ISO 11898-2:2016 and ISO 11898-5:2007 physical layer standards.
- What data rates does the TCAN1042HGDR support?
The device supports classic CAN up to 2 Mbps and CAN FD up to 5 Mbps.
- What types of ESD protection does the TCAN1042HGDR offer?
The device offers HBM ESD protection up to ±16 kV and IEC ESD protection up to ±15 kV.
- What is the bus fault protection voltage for the TCAN1042HGDR?
The bus fault protection voltage is ±70 V for H variants.
- Does the TCAN1042HGDR support low power modes?
Yes, it has a low power standby mode with a remote wake request feature.
- What are the typical propagation delay times for the TCAN1042HGDR?
The propagation delay time from low TXD to driver dominant is between 55 ns and 75 ns.
- Is the TCAN1042HGDR suitable for automotive applications?
Yes, it is designed for automotive and other harsh environment applications.
- What is the thermal shutdown protection feature in the TCAN1042HGDR?
The device includes thermal shutdown protection to prevent overheating.
- Can the TCAN1042HGDR operate with different I/O voltage levels?
Yes, it supports 3.3 V and 5 V MCUs through I/O voltage level shifting (for devices with 'V' suffix).
- What is the purpose of the standby mode control input (STB) in the TCAN1042HGDR?
The STB input controls the standby mode, allowing the device to enter a low power state when active high.
