Overview
The TJA1029T,118 is a Local Interconnect Network (LIN) transceiver produced by NXP USA Inc. It serves as the interface between the LIN master/slave protocol controller and the physical bus in a LIN network. This component is primarily designed for in-vehicle subnetworks and is compliant with various LIN standards, including LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, SAE J2602, and ISO 17987-4:2016 (12 V).
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VBAT) | 5 | 18 | V | ||
| Baud Rate | 20 | kBd | |||
| Current Consumption in Sleep Mode | Very low | ||||
| Thermal Shutdown Junction Temperature (Tj(sd)) | 150 | 200 | °C | ||
| Package Types | SO8, HVSON8 | ||||
| RoHS Compliance | Yes |
Key Features
- LIN 2.x/ISO 17987-4:2016 (12 V)/SAE J2602 compliant.
- Baud rate up to 20 kBd.
- Very low ElectroMagnetic Emissions (EME).
- Very low current consumption in Sleep mode with remote LIN wake-up.
- Input levels compatible with 3.3 V and 5 V devices.
- Integrated termination resistor for LIN slave applications.
- Passive behavior in unpowered state.
- Operational during cranking pulse: full operation from 5 V upwards.
- Undervoltage detection.
- K-line compatible).
- Available in SO8 and HVSON8 packages).
- Integrated TXD dominant time-out function to prevent permanent dominant state).
Applications
The TJA1029T,118 is optimized for automotive applications, particularly in in-vehicle subnetworks. It is used in various automotive systems that require reliable and efficient communication over the LIN bus. This includes but is not limited to, body control modules, door control units, and other vehicle subsystems that need to communicate with the main vehicle network).
Q & A
- What is the primary function of the TJA1029T,118?
The TJA1029T,118 serves as the interface between the LIN master/slave protocol controller and the physical bus in a LIN network).
- Which LIN standards is the TJA1029T,118 compliant with?
The TJA1029T,118 is compliant with LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, SAE J2602, and ISO 17987-4:2016 (12 V)).
- What are the available package types for the TJA1029T,118?
The TJA1029T,118 is available in SO8 and HVSON8 packages).
- What is the maximum baud rate supported by the TJA1029T,118?
The TJA1029T,118 supports baud rates up to 20 kBd).
- Does the TJA1029T,118 have integrated termination resistors?
Yes, the TJA1029T,118 has an integrated termination resistor for LIN slave applications).
- Is the TJA1029T,118 RoHS compliant?
Yes, the TJA1029T,118 is RoHS compliant).
- What is the purpose of the TXD dominant time-out function in the TJA1029T,118?
The TXD dominant time-out function prevents the bus from being driven to a permanent dominant state).
- Can the TJA1029T,118 operate during cranking pulses?
Yes, the TJA1029T,118 operates fully from 5 V upwards during cranking pulses).
- Does the TJA1029T,118 support remote wake-up in Sleep mode?
Yes, the TJA1029T,118 supports remote LIN wake-up in Sleep mode).
- What are the typical applications of the TJA1029T,118?
The TJA1029T,118 is used in various automotive systems such as body control modules, door control units, and other vehicle subsystems).
