Overview
The TJA1055T/3/C,512 is an enhanced fault-tolerant CAN (Controller Area Network) transceiver produced by NXP USA Inc. This device serves as the interface between the CAN protocol controller and the physical bus wires in a CAN network. It is primarily designed for low-speed applications, up to 125 kBd, particularly in passenger cars. The TJA1055T/3/C,512 offers robust features to ensure reliable communication in automotive environments, including high electromagnetic immunity and low electromagnetic emission.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | TJA1055T/3/C,512 |
| Manufacturer | NXP USA Inc. |
| Description | IC CAN TXRX FAULT-TOL 14-SOIC |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Voltage - Supply | 4.75 V ~ 5.25 V |
| Operating Temperature | -40°C ~ 125°C |
| Number of Drivers/Receivers | 1/1 |
| Mounting Type | Surface Mount |
| Duplex | Half |
| Protocol | CAN |
| ESD Protection | ±8 kV (Human Body Model), ±6 kV (IEC 61000-4-2) |
Key Features
- Enhanced fault-tolerant CAN transceiver with automatic switching to single-wire mode in the event of bus failures.
- Supports up to 32 nodes and unshielded bus wires with low electromagnetic emission (EME) due to built-in slope control.
- 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 in an automotive environment.
- Low current sleep mode and standby mode with wake-up via the bus lines.
- Software accessible power-on reset flag.
Applications
The TJA1055T/3/C,512 is primarily intended for low-speed CAN applications in passenger cars. It is suitable for use in various automotive systems that require reliable and fault-tolerant communication over the CAN bus. This includes engine control units, transmission control units, and other vehicle network systems.
Q & A
- What is the primary function of the TJA1055T/3/C,512?
The TJA1055T/3/C,512 serves as the interface between the CAN protocol controller and the physical bus wires in a CAN network.
- What is the maximum data rate supported by the TJA1055T/3/C,512?
The device supports data rates up to 125 kBd.
- What kind of ESD protection does the TJA1055T/3/C,512 offer?
The device offers ±8 kV ESD protection according to the Human Body Model and ±6 kV according to IEC 61000-4-2.
- Can the TJA1055T/3/C,512 operate with unshielded bus wires?
- How does the TJA1055T/3/C,512 handle bus failures?
The device automatically switches to single-wire mode in the event of bus failures and can transmit on either bus line if one of the wires is corrupted.
- What are the operating temperature ranges for the TJA1055T/3/C,512?
The device operates within a temperature range of -40°C to 125°C.
- Does the TJA1055T/3/C,512 support low power modes?
- What is the package type of the TJA1055T/3/C,512?
The device is packaged in a 14-SOIC (0.154", 3.90mm Width) case.
- Is the TJA1055T/3/C,512 suitable for automotive applications?
- How many nodes can be connected using the TJA1055T/3/C,512?
