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TLIN1441-Q1
Automotive local interconnect network transceiver with integrated voltage regulator and watchdog
Data sheet
TLIN1441-Q1
- AEC-Q100 : Qualified for automotive applications
- Temperature grade 1: –40°C To 125°C TA
- Local interconnect network (LIN) physical layer specification ISO/DIS 17987–4 compliant and conforms to SAE J2602 recommended practice for LIN (See SLLA494)
- Supports 12-V applications
- Integrated watchdog supervisor configurable by pin or serial peripheral interface SPI
- Wide operating ranges
- 5.5 V to 28 V supply voltage
- ±42 V LIN bus fault protection
- LDO output supporting 3.3 V ( TLIN14413-Q1) or 5 V ( TLIN14415-Q1)
- Sleep mode: Ultra-low current consumption allows wake-up event from:
- LIN bus
- Local wake up through EN
- Local wake up through WAKE
- Power-up and down glitch-free operation
- Protection features:
- ESD protection, VSUP under-voltage protection
- TXD dominant time out (DTO) protection, Thermal shutdown
- Unpowered node or ground disconnection fail-safe at system level
- VCC sources 125 mA with 12 VSUP at 100°C
- Available in Leadless VSON (14) package with improved automated optical inspection (AOI) capability
The TLIN1441-Q1 is a local interconnect network (LIN) physical layer transceiver, compliant to LIN 2.2A and ISO/DIS 17987–4 standards, with an integrated low dropout (LDO) voltage regulator and watchdog. The TLIN1441-Q1 watchdog can operate in window or timeout mode and can be controlled by pins or SPI. The Pin or SPI control is established at power up by the state of pin 9 (that is, High, Z-State, Low).
LIN is a single-wire bidirectional bus typically used for low speed in-vehicle networks using data rates up to 20 kbps. The LIN receiver supports data rates up to 100 kbps for end-of-line programming. The TLIN1441-Q1 converts the LIN protocol data stream on the TXD input into a LIN bus signal. The receiver converts the data stream to logic-level signals that are sent to the microprocessor through the open-drain RXD pin. The TLIN1441-Q1 reduces system complexity by providing a 3.3 V or 5 V rail with up to 125 mA of current to power microprocessors, sensors or other devices. The TLIN1441-Q1 has an optimized current-limited wave-shaping driver which reduces electromagnetic emissions (EME).
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Technical documentation
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View all 6 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TLIN1441-Q1 Automotive with Integrated Voltage Regulator and Watchdog datasheet (Rev. D) | PDF | HTML | 17 Jun 2022 |
| * | Errata | TLIN1441-Q1 and TLIN2441-Q1 Duty Cycle Over VSUP | 22 May 2020 | |
| Application note | TLIN1441 Failsafe Mode Explanation | 25 Feb 2019 | ||
| Application note | TLINx441 LDO Performance | 16 Nov 2018 | ||
| Application note | TLINx441x Watchdog Configuration Guide | 30 Oct 2018 | ||
| EVM User's guide | TLINX441XEVM User's Guide | 23 Aug 2018 |
Design & development
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VSON (DMT) | 14 | Ultra Librarian |
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