Overview
The TJA1021T/20/CM,118 is a Local Interconnect Network (LIN) transceiver designed and manufactured by NXP USA Inc. This component serves as the interface between the LIN commander/responder protocol controller and the physical bus in a LIN network. It is primarily intended for use in vehicle sub-networks, supporting baud rates from 1 kBd up to 20 kBd and complying with various 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 | Value | Parameter | Value |
|---|---|---|---|
| Package Style | SOIC-8 | Mounting Method | Surface Mount |
| Baud Rate | Up to 20 kBd | Supply Voltage | 5.5 V ~ 27 V |
| Compliance Standards | LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, SAE J2602, ISO 17987-4:2016 (12 V) | Operating Temperature | -40°C to +150°C |
| Pin Count | 8 | RoHS Status | Lead Free / RoHS Compliant |
| Battery Supply Current (Normal Mode) | 1.2 mA (VBAT = 12 V) | Receiver Hysteresis | 175 mV |
Key Features
- High-Speed Data Transfer: Supports baud rates up to 20 kBd, facilitating quick and reliable communication between electronic control units (ECUs) and other devices in the network.
- Real-Time Event Notification: The transceiver can detect events and transmit them to other nodes, enabling faster responses to system changes or faults.
- Automated Bus Configuration: Includes tools that simplify the setup process, making it easier for developers to integrate LIN functionality into their designs.
- Multiple Bus Protocols Support: Compatible with various LIN and other automotive network protocols, providing flexibility across different systems.
- Reduced Electromagnetic Interference (EMI): Optimized slew rate and wave shaping to minimize EMI.
- Compact Packaging: SO-8 package, suitable for space-constrained designs.
- Environmental Compliance: Lead-free and RoHS compliant, aligning with environmental standards.
Applications
- Automotive Electronics: Used in vehicle entertainment systems, navigation systems, intelligent driving assistance systems, and other in-vehicle sub-networks.
- Telematics and ADAS: Supports advanced driver-assistance systems (ADAS) and telematics applications.
- Infotainment Systems: Facilitates data transmission and communication within infotainment systems.
- Industrial Internet of Things (IoT): Can be used in smart home, smart agriculture, and smart logistics to promote the intelligentization and interconnection of equipment.
- Consumer Electronics: Used in smartphones, tablets, and wearable devices for data transmission and charging.
Q & A
- What is the primary function of the TJA1021T/20/CM,118?
The TJA1021T/20/CM,118 serves as the interface between the Local Interconnect Network (LIN) commander/responder protocol controller and the physical bus in a LIN network.
- What are the supported baud rates for the TJA1021T/20/CM,118?
The component supports baud rates from 1 kBd up to 20 kBd.
- What standards is the TJA1021T/20/CM,118 compliant with?
It 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 is the package style and mounting method of the TJA1021T/20/CM,118?
The package style is SOIC-8, and the mounting method is Surface Mount.
- What is the operating voltage range of the TJA1021T/20/CM,118?
The operating voltage range is 5.5 V ~ 27 V.
- Is the TJA1021T/20/CM,118 RoHS compliant?
Yes, it is Lead Free and RoHS compliant.
- What are some key features of the TJA1021T/20/CM,118?
Key features include high-speed data transfer, real-time event notification, automated bus configuration, and reduced electromagnetic interference.
- What are the typical applications of the TJA1021T/20/CM,118?
Typical applications include automotive electronics, telematics, ADAS, infotainment systems, and industrial IoT.
- How does the TJA1021T/20/CM,118 minimize electromagnetic interference?
The component uses optimized slew rate and wave shaping to minimize electromagnetic interference.
- Is the TJA1021T/20/CM,118 pin-to-pin compatible with other components?
Yes, it is pin-to-pin compatible with the TJA1020 and MC33662(B).
