PTLIN1029DQ1 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The PTLIN1029DQ1 is an AEC-Q100-qualified automotive LIN transceiver with a dominant state timeout feature that prevents bus lockup caused by a shorted MCU TX pin. It supports LIN 2.x and SAEJ2602 at up to 20 kbps and is designed for 12 V automotive body control and sensor networks.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- PTLIN1029DQ1 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PTLIN1029DQ1?
- AEC-Q100 Grade 1 qualified for automotive reliability
- Dominant state timeout prevents bus lockup from shorted TX lines
- Supports LIN 2.x and SAE J2602 at up to 20 kbps
- 12 V automotive bus voltage range with 40 V fault-tolerant LIN pin
- Small Outline package for compact automotive node PCBs
What is PTLIN1029DQ1 used for?
PTLIN1029DQ1 is designed for automotive body electronics such as seat control modules, door lock ECUs, and HVAC actuators where a LIN slave node must communicate reliably on a 12 V vehicle bus. Its AEC-Q100 qualification and dominant timeout protection make it a preferred choice for body control module (BCM) designs that must meet ISO 7637 transient immunity requirements.
What are the specifications of PTLIN1029DQ1?
| Date Of Intro | 2017-11-08 |
| YTEOL | 0 |
| Screening Level | AEC-Q100 |
| Telecom IC Type | ETHERNET TRANSCEIVER |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the PTLIN1029DQ1 datasheet?
PTLIN1029DQ1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PTLIN1029DQ1?
Compatible alternatives and drop-in replacements for PTLIN1029DQ1:
Frequently Asked Questions
What does the dominant state timeout in PTLIN1029DQ1 protect against in an automotive LIN network?
The dominant state timeout prevents a stuck LIN bus when the MCU TX pin is held low due to a software lockup or short circuit. PTLIN1029DQ1 automatically releases the LIN bus to a recessive state after a timeout period, typically 12 ms to 45 ms, protecting all other nodes on the 12 V LIN network from communication loss.
Is PTLIN1029DQ1 qualified for automotive use, and which AEC grade does it meet?
Yes. PTLIN1029DQ1 carries AEC-Q100 Grade 1 qualification, meaning it has passed accelerated life testing to -40°C to 125°C junction temperature, making it suitable for under-hood and body control applications where automotive reliability standards apply.
What maximum data rate does PTLIN1029DQ1 support on a LIN bus, and is it compatible with both LIN 2.x and SAE J2602?
PTLIN1029DQ1 supports LIN communication at up to 20 kbps and is compatible with both LIN 2.x and SAE J2602 standards. This dual-standard compatibility allows a single device to serve door module, seat actuator, and HVAC sensor nodes without firmware modification.
What bus pin fault tolerance does PTLIN1029DQ1 provide to survive automotive wiring transients?
The LIN bus pin of PTLIN1029DQ1 is rated for fault voltages up to 40 V, protecting the transceiver from load-dump transients and wiring faults common on 12 V automotive harnesses per ISO 7637-2, eliminating the need for an external series resistor in most node designs.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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