Overview
The TLIN1021A-Q1 is a local interconnect network (LIN) physical layer transceiver designed by Texas Instruments. This device supports automotive in-vehicle networking using the LIN communication protocol, a low-speed universal asynchronous receiver transmitter (UART) protocol. The TLIN1021A-Q1 is AEC-Q100 (Grade 1) qualified, making it suitable for automotive applications. It complies with LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, and ISO 17987–4 electrical physical layer (EPL) specifications, as well as SAE J2602-1 LIN Network for Vehicle Applications.
Key Specifications
| Parameter | Description |
|---|---|
| Package | SOIC (D), VSON (DRB), SOT23 |
| Pins | 8 |
| Operating Temperature Range (°C) | -40 to 125 |
| Junction Temperature Range (°C) | -40 to 150 |
| Input Voltage Range (V) | 4.5 to 36 |
| LIN Transmit Data Rate | Up to 20 kbps |
| LIN Receive Data Rate | Up to 100 kbps |
| Operating Modes | Normal, Standby, Sleep |
| Wake-Up Modes | Remote wake-up over LIN, Local wake-up via WAKE pin or EN pin |
| Protection Features | ±45-V LIN bus fault tolerant, 42-V load dump support, undervoltage protection on VSUP, TXD dominant state time-out, thermal shutdown, unpowered node or ground disconnection fail-safe |
Key Features
- AEC-Q100 (Grade 1) qualified for automotive applications.
- Compliant to LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, and ISO 17987–4 EPL specifications.
- Compliant to SAE J2602-1 LIN Network for Vehicle Applications.
- Functional Safety-Capable.
- Wide input operational voltage range from 4.5 V to 36 V.
- LIN transmit data rate up to 20 kbps and receive data rate up to 100 kbps.
- Operating modes: Normal, Standby, and Sleep.
- Low-power mode wake-up support with source recognition: remote wake-up over the LIN bus, local wake-up via the WAKE pin or EN pin.
- Integrated 45-kΩ LIN pull-up resistor.
- Control of system-level power using the INH pin.
- Power-up/down glitch-free operation on LIN bus and RXD output.
- Protection features include ±45-V LIN bus fault tolerant, 42-V load dump support, undervoltage protection on VSUP, TXD dominant state time-out, thermal shutdown, and unpowered node or ground disconnection fail-safe.
Applications
- Body electronics and lighting.
- Automotive infotainment and cluster.
- Hybrid electric vehicles and powertrain systems.
- Industrial transportation.
Q & A
- What is the TLIN1021A-Q1 used for? The TLIN1021A-Q1 is a local interconnect network (LIN) physical layer transceiver used in automotive in-vehicle networking.
- What are the operating temperature ranges for the TLIN1021A-Q1? The operating temperature range is -40°C to 125°C, and the junction temperature range is -40°C to 150°C.
- What are the different packages available for the TLIN1021A-Q1? The device is available in 8-pin SOIC, VSON with wettable flanks, and SOT23 packages.
- What is the input voltage range for the TLIN1021A-Q1? The input voltage range is from 4.5 V to 36 V.
- What are the LIN transmit and receive data rates for the TLIN1021A-Q1? The LIN transmit data rate is up to 20 kbps, and the receive data rate is up to 100 kbps.
- How does the TLIN1021A-Q1 support wake-up from low-power mode? It supports wake-up through remote wake-up over the LIN bus, local wake-up via the WAKE pin, or the EN pin.
- What protection features does the TLIN1021A-Q1 have? It includes ±45-V LIN bus fault tolerant, 42-V load dump support, undervoltage protection on VSUP, TXD dominant state time-out, thermal shutdown, and unpowered node or ground disconnection fail-safe.
- Is the TLIN1021A-Q1 compliant with any specific automotive standards? Yes, it is compliant to LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, ISO 17987–4 EPL specifications, and SAE J2602-1 LIN Network for Vehicle Applications.
- What are some typical applications of the TLIN1021A-Q1? Typical applications include body electronics and lighting, automotive infotainment and cluster, hybrid electric vehicles and powertrain systems, and industrial transportation.
- How does the TLIN1021A-Q1 reduce electromagnetic emissions (EME)? The device has a current-limited wave-shaping driver to reduce electromagnetic emissions (EME).
