Overview
The TJA1055T/C,512 is an enhanced fault-tolerant CAN (Controller Area Network) transceiver produced by NXP USA Inc. This device is designed to serve as the interface between the CAN protocol controller and the physical bus wires in a CAN network. It is primarily intended for low-speed applications, up to 125 kBd, in passenger cars. The TJA1055T/C,512 provides differential transmit and receive capabilities, making it suitable for use in automotive environments where reliability and fault tolerance are critical.
Key Specifications
| Parameter | Value |
|---|---|
| Protocol | CAN |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Half |
| Voltage - Supply | 4.75 V ~ 5.25 V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| ESD Protection | ±8 kV (HBM), ±6 kV (IEC 61000-4-2) |
| Bus Speed | Up to 125 kBd |
Key Features
- Enhanced fault-tolerant design with automatic switching to single-wire mode in the event of bus failures.
- Very low Electromagnetic Emission (EME) due to built-in slope control function and good matching of CANL and CANH bus outputs.
- High Electromagnetic Immunity (EMI) in normal operating and low power modes.
- Fully integrated receiver filters and transmit data (TxD) dominant time-out function.
- Bus pins short-circuit safe to battery and ground, thermally protected, and protected against transients.
- Low current sleep mode and standby mode with wake-up via the bus lines.
- Support for low-voltage microcontrollers.
- ISO11898-3 compliant.
Applications
The TJA1055T/C,512 is designed for use in automotive systems, particularly in passenger cars. It is suitable for various in-vehicle network applications where reliability, fault tolerance, and low electromagnetic emissions are essential. This includes but is not limited to:
- In-vehicle communication networks.
- Automotive control systems.
- Driver assistance systems.
- Other automotive applications requiring robust CAN communication.
Q & A
- What is the primary application of the TJA1055T/C,512? The TJA1055T/C,512 is primarily intended for low-speed CAN applications in passenger cars.
- What is the maximum bus speed supported by the TJA1055T/C,512? The device supports bus speeds up to 125 kBd.
- What kind of ESD protection does the TJA1055T/C,512 offer? The device offers ±8 kV ESD protection according to the Human Body Model (HBM) and ±6 kV ESD protection according to IEC 61000-4-2.
- Is the TJA1055T/C,512 compliant with automotive standards? Yes, it is compliant with ISO11898-3 and supports automotive transient tests as per ISO 7637 part 1 & 2.
- What are the operating temperature ranges for the TJA1055T/C,512? The device operates within a temperature range of -40°C to 125°C.
- Does the TJA1055T/C,512 support low power modes? Yes, it supports low current sleep mode and standby mode with wake-up via the bus lines.
- How does the TJA1055T/C,512 handle bus failures? The device automatically switches to single-wire mode in the event of bus failures and resets to differential mode once the failure is removed.
- Is the TJA1055T/C,512 RoHS compliant? Yes, the device is compliant with EU RoHS, ELV, and China RoHS directives.
- What package type is the TJA1055T/C,512 available in? The device is available in a 14-SOIC package.
- Does the TJA1055T/C,512 protect against transients in an automotive environment? Yes, the device is protected against transients in an automotive environment.
