Overview
The TJA1050T/VM,112, produced by NXP USA Inc., is a high-speed Controller Area Network (CAN) transceiver. This device serves as the interface between the CAN protocol controller and the physical bus, providing differential transmit and receive capabilities. It is designed to be fully compatible with the ISO 11898 standard and is particularly suited for use in automotive and industrial applications where high-speed data transmission and robust electromagnetic immunity are required.
Key Specifications
| Parameter | Conditions | Min. | Max. | Unit |
|---|---|---|---|---|
| VCC supply voltage | 4.75 | 5.25 | V | |
| VCANH DC voltage at pin CANH | 0 < VCC < 5.25 V; no time limit | -27 | +40 | V |
| VCANL DC voltage at pin CANL | 0 < VCC < 5.25 V; no time limit | -27 | +40 | V |
| Transmit data rate | 1 Mbaud | |||
| Package type | SO8 | |||
| Storage temperature | -55 | +150 | °C | |
| Virtual junction temperature | -40 | +150 | °C |
Key Features
- Fully compatible with the ISO 11898 standard.
- High-speed data transmission up to 1 Mbaud.
- Very low Electromagnetic Emission (EME) due to optimal matching of the output signals CANH and CANL.
- Differential receiver with a wide common-mode range for high Electromagnetic Immunity (EMI).
- An unpowered node does not disturb the bus lines.
- Transmit Data (TXD) dominant time-out function.
- Silent mode capability.
- Current-limiting circuit and thermal protection to protect the transmitter output stage.
Applications
The TJA1050T/VM,112 is primarily intended for use in automotive and industrial networks, including but not limited to:
- Vehicle networks (e.g., in-vehicle communication systems).
- Industrial automation systems.
- Partial networking scenarios where nodes may be in a power-down state.
Q & A
- What is the primary function of the TJA1050T/VM,112? The TJA1050T/VM,112 serves as the interface between the CAN protocol controller and the physical bus, providing differential transmit and receive capabilities.
- What standard is the TJA1050T/VM,112 compatible with? It is fully compatible with the ISO 11898 standard.
- What is the maximum data transmission rate of the TJA1050T/VM,112? The maximum data transmission rate is up to 1 Mbaud.
- What package type does the TJA1050T/VM,112 come in? It comes in an SO8 package.
- How does the TJA1050T/VM,112 protect against electromagnetic interference? It features a differential receiver with a wide common-mode range for high Electromagnetic Immunity (EMI).
- What protection mechanisms does the TJA1050T/VM,112 have for the transmitter output stage? It includes a current-limiting circuit and thermal protection to protect the transmitter output stage.
- Can an unpowered node disturb the bus lines in a network using the TJA1050T/VM,112? No, an unpowered node does not disturb the bus lines.
- What is the silent mode feature of the TJA1050T/VM,112? The silent mode allows the device to operate without transmitting data, which can be useful in certain network configurations.
- What are the storage and operating temperature ranges for the TJA1050T/VM,112? The storage temperature range is -55°C to +150°C, and the virtual junction temperature range is -40°C to +150°C.
- Where is the TJA1050T/VM,112 typically used? It is typically used in automotive and industrial networks.
