Overview
The TJA1041T/N1,118, produced by NXP USA Inc., is a high-speed CAN (Controller Area Network) transceiver designed primarily for automotive applications. This component provides an advanced interface between the protocol controller and the physical CAN bus, ensuring compliance with the ISO 11898 standard. It features low power consumption, excellent ElectroMagnetic Compatibility (EMC) performance, and various protection and diagnosis functions, making it a reliable choice for high-speed CAN networks.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SO14 (plastic small outline package; 14 leads; body width 3.9 mm) |
| Operating Speed | Up to 1 Mbit/s |
| Supply Voltage (VCC) | 0 V < VCC < 5.25 V |
| Propagation Delay (TXD to RXD) | 40 - 255 ns |
| Virtual Junction Temperature (Tvj) | -40°C to +150°C |
| Electrostatic Discharge Voltage (HBM) | -6 kV to +6 kV (CANH, CANL, SPLIT); -3 kV to +3 kV (TXD, RXD, VI/O, STB); -4 kV to +4 kV (other pins) |
| Operating Modes | Normal, Standby, Listen-only, Sleep, and Power-down |
Key Features
- Advanced interface between the protocol controller and the physical CAN bus
- Compliant with ISO 11898 standard
- Low power consumption and passive behavior when supply voltage is off
- Local and remote wake-up with wake-up source recognition
- Protection and diagnosis functions including short circuits, overtemperature, and undervoltage detection
- Automotive environment transient protected bus pins and pin VBAT
- Short-circuit proof bus pins and pin SPLIT
Applications
The TJA1041T/N1,118 is primarily intended for automotive high-speed CAN applications. It is suitable for use in various automotive systems that require reliable and high-speed communication, such as engine control units, transmission control units, and other vehicle network systems.
Q & A
- What is the primary function of the TJA1041T/N1,118? The primary function is to provide the CAN physical layer as described in the ISO 11898 standard, acting as an interface between the protocol controller and the physical CAN bus.
- What is the maximum operating speed of the TJA1041T/N1,118? The maximum operating speed is up to 1 Mbit/s.
- What are the key protection and diagnosis features of the TJA1041T/N1,118? The component includes protection and diagnosis functions such as short circuits of the bus lines, overtemperature protection, undervoltage detection, and automotive environment transient protection.
- How does the TJA1041T/N1,118 manage power consumption? It features low power consumption and supports local and remote wake-up with wake-up source recognition, allowing for efficient power management.
- What is the significance of the ISO 11898 compliance? Compliance with the ISO 11898 standard ensures that the TJA1041T/N1,118 meets the required specifications for high-speed CAN applications, ensuring reliability and compatibility.
- What are the different operating modes of the TJA1041T/N1,118? The component can operate in five modes: Normal, Standby, Listen-only, Sleep, and Power-down.
- How does the TJA1041T/N1,118 handle electrostatic discharge? It has electrostatic discharge protection with Human Body Model (HBM) ratings ranging from -6 kV to +6 kV for CANH, CANL, and SPLIT pins, and -3 kV to +3 kV for TXD, RXD, VI/O, and STB pins.
- What is the purpose of the wake-up feature in the TJA1041T/N1,118? The wake-up feature allows the component to wake up from a low-power state, either locally or remotely, which is crucial for power management in automotive systems.
- How does the TJA1041T/N1,118 protect against bus line short circuits? The component includes short-circuit proof bus pins and pin SPLIT, ensuring that the system remains functional even in the event of a short circuit.
- What is the significance of the virtual junction temperature (Tvj) specification? The virtual junction temperature range (-40°C to +150°C) indicates the component's thermal operating limits, ensuring it can operate reliably in various environmental conditions.
