Overview
The TJA1050T/VM,518 is a high-speed 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, primarily intended for high-speed automotive applications. It is fully compatible with the ISO 11898 standard and provides differential transmit and receive capabilities.
Key Specifications
| Parameter | Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | 4.75 to 5.25 V | - | - | - | V |
| Supply Current (ICC) | V_TXD = 0 V (dominant) | 2 | 55 | 75 | mA |
| Supply Current (ICC) | V_TXD = VCC (recessive) | 2.5 | 5 | 10 | mA |
| High-Level Input Voltage (VIH) | V_TXD, V_S | 2.0 | - | VCC + 0.3 | V |
| Low-Level Input Voltage (VIL) | V_TXD | -0.3 | - | 0.8 | V |
| Propagation Delay (t_PD) | TXD to RXD | -250 | - | - | ns |
| Virtual Junction Temperature (Tvj) | - | -40 | - | 150 | °C |
| Storage Temperature (Tstg) | - | -55 | - | 150 | °C |
| Differential Receiver Threshold Voltage (Vi(dif)(th)) | - | 0.5 | 0.7 | 0.9 | V |
Key Features
- Fully compatible with the ISO 11898 standard.
- High-speed operation up to 1 Mbaud.
- Very low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI).
- Differential receiver with a wide common-mode range.
- Transmit Data (TXD) dominant time-out function.
- Silent mode capability.
- Current-limiting circuit to protect the transmitter output stage from short-circuit damage.
- Thermal protection circuit to protect the IC from overheating.
- Protection against automotive electrical transients according to ISO 7637.
Applications
The TJA1050T/VM,518 is primarily used in high-speed automotive applications, including passenger cars and other vehicles that require reliable and high-speed CAN communication. It is suitable for any system that needs to interface with a CAN bus, ensuring robust and reliable data transmission.
Q & A
- What is the primary function of the TJA1050T/VM,518? The TJA1050T/VM,518 serves as the interface between the CAN protocol controller and the physical bus.
- What standard is the TJA1050T/VM,518 compatible with? It is fully compatible with the ISO 11898 standard.
- What is the maximum data rate of the TJA1050T/VM,518? The device operates at speeds up to 1 Mbaud.
- What kind of protection does the TJA1050T/VM,518 offer against electrical transients? It is protected against automotive electrical transients according to ISO 7637.
- Does the TJA1050T/VM,518 have thermal protection? Yes, it has a thermal protection circuit that switches off the transmitter if the junction temperature exceeds a certain value.
- What is the silent mode feature of the TJA1050T/VM,518? The silent mode allows the device to be in a state where it does not disturb the bus lines when unpowered.
- What is the typical supply current of the TJA1050T/VM,518 in dominant mode? The typical supply current in dominant mode is 55 mA.
- What is the propagation delay from TXD to RXD? The propagation delay is -250 ns.
- What is the storage temperature range of the TJA1050T/VM,518? The storage temperature range is -55°C to 150°C.
- What kind of package is the TJA1050T/VM,518 available in? It is available in an SO8 plastic small outline package.
