TJA1124: Quad LIN master transceiver for in-vehicle subnetworks
Overview
Features
Features
General
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Four LIN master channels in a single package:
- LIN transceiver.
- LIN master termination consisting of a diode and a pull-up resistor.
- Very low current consumption in Low Power mode with wake-up via SLP or LIN pins.
- Option to control an external voltage regulator via the INHN output.
- Bus signal shaping optimized for baud rates up to 20 kBd.
- VIO input for direct interfacing with 3.3 V and 5 V microcontrollers.
- Passive behavior in an unpowered state.
- Undervoltage detection.
- K-line compatible.
- Leadless DHVQFN24 package (3.5 mm × 5.5 mm) supporting improved Automated Optical Inspection (AOI) capability.
Protection
- Excellent ElectroMagnetic Immunity (EMI).
- Very high ESD robustness: ±6 kV according to IEC61000-4-2 for pins LIN1 to LIN4 and BAT.
- Bus terminal and battery pin protected against transients in the automotive environment (ISO 7637).
- Bus terminal short-circuit proof to battery and ground.
- TXD dominant timeout function.
- LIN dominant timeout function.
- Thermal protection.
Certifications/Standards
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Compliant with:
- LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A.
- ISO 17987-4:2016 (12 V LIN).
- SAE J2602-1.
Product Longevity Program
- TJA1124 is included in the Product Longevity Program for 15 years from product launch. Please visit the Product Longevity Page for more information.
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Target Applications
Automotive
- Ambient mood lighting
- Body Control
- HVAC
- Park assist