Overview
The TJA1041T, produced by NXP USA Inc., is a high-speed CAN (Controller Area Network) transceiver designed primarily for automotive applications. It provides an advanced interface between the protocol controller and the physical bus in a CAN node, supporting data rates up to 1 Mbit/s. The transceiver is fully compatible with the ISO 11898 standard and offers excellent ElectroMagnetic Compatibility (EMC) performance, low power consumption, and passive behavior when the supply voltage is off.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package Type | SO14 plastic small outline package; 14 leads; body width 3.9 mm | SOT108-1 |
| Supply Voltage (VCC) | 0 V < VCC < 5.25 V | No time limit |
| Electrostatic Discharge Voltage (HBM) | Pins CANH, CANL, and SPLIT | -6 to +6 kV |
| Propagation Delay (TXD to RXD) | VSTB = 0 V | 40 - 255 ns |
| Virtual Junction Temperature | Tvj | -40 to +150 °C |
| Data Rate | Up to 1 Mbit/s | |
| Operating Modes | Normal, Standby, Sleep, Go-to-Sleep, and Listen-Only |
Key Features
- Advanced Power Management: Supports local and remote wake-up with wake-up source recognition and the capability to control the power supply in the rest of the node.
- Protection and Diagnosis Functions: Includes short circuits of the bus lines and first battery connection protection, as well as error and power-on indication.
- EMC Performance: Excellent ElectroMagnetic Compatibility performance to ensure reliable operation in noisy environments.
- I/O Level Adapter: Built-in I/O-level adapter that scales the I/O levels of the transceiver based on the supply voltage of the controller.
- Standby and Sleep Modes: Reduces power consumption significantly when the device is not actively transmitting or receiving data.
Applications
The TJA1041T is primarily intended for automotive high-speed CAN applications. It is suitable for use in various automotive systems that require reliable and efficient CAN communication, such as engine control units, transmission control units, and other vehicle network systems.
Q & A
- What is the primary application of the TJA1041T?
The TJA1041T is primarily intended for automotive high-speed CAN applications.
- What is the maximum data rate supported by the TJA1041T?
The TJA1041T supports data rates up to 1 Mbit/s).
- Is the TJA1041T compatible with the ISO 11898 standard?
Yes, the TJA1041T is fully compatible with the ISO 11898 standard).
- What are the different operating modes of the TJA1041T?
The TJA1041T can operate in Normal, Standby, Sleep, Go-to-Sleep, and Listen-Only modes).
- How does the TJA1041T manage power consumption?
The TJA1041T supports advanced power management, including local and remote wake-up and control of the power supply in the rest of the node. It also has Standby and Sleep modes to reduce power consumption).
- What kind of protection does the TJA1041T offer?
The TJA1041T includes protection against short circuits of the bus lines and first battery connection, as well as error and power-on indication).
- How does the TJA1041T ensure EMC performance?
The TJA1041T offers excellent ElectroMagnetic Compatibility (EMC) performance to ensure reliable operation in noisy environments).
- What is the purpose of the I/O level adapter in the TJA1041T?
The built-in I/O-level adapter scales the I/O levels of the transceiver based on the supply voltage of the controller).
- What is the significance of the SPLIT pin in the TJA1041T?
The SPLIT pin provides a stabilized 0.5VCC DC voltage in Normal and Listen-Only modes, and it is set floating in Standby, Go-to-Sleep, and Sleep modes. It helps in reducing common-mode voltage steps during transmission).
- Is the TJA1041T RoHS compliant?
Yes, the TJA1041T is RoHS compliant and also halogen-free).
