Product Overview
The L9637D from STMicroelectronics is a LIN (Local Interconnect Network) transceiver that forms the physical layer between a microcontroller’s LIN protocol handler and the LIN bus. Sleep mode with bus wake-up makes it suitable for modules that stay connected to the vehicle battery.
Key Features
- Compliant with LIN 1.3 / 2.0 / 2.1 / 2.2 and SAE J2602
- Sleep mode with wake-up from the LIN bus
- Current limitation and thermal protection
- High ESD robustness on the LIN pin
- AEC-Q100 qualified, SO-8 package
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part number | L9637D |
| Function | LIN transceiver |
| Standard | LIN 2.x / SAE J2602 |
| Data rate | up to 20 kbit/s (LIN standard) |
| Operating modes | Normal, Sleep with wake-up |
| Package | SO-8 |
| Qualification | Automotive grade |
Applications
- Door and seat modules
- Wiper and washer control
- HVAC sub-networks
- Automotive sensors and actuators
Why Choose Newfly Electronics
- Verified sourcing from original manufacturers and authorized channels
- Full traceability with date codes and batch documentation
- MOQ flexibility — samples, small batches, and production volumes
- Cross-reference and alternative-part service across brands
- Export documentation and worldwide shipping support
- Fast quotations within one business day
Contact sales@newflyelectronics.com or WhatsApp +86 15112635657 for current stock, pricing and datasheet support on L9637D.
FAQ
Q: Can the L9637D be used in 24 V systems?
A: The L9637D targets 12 V automotive systems. For 24 V systems, check the datasheet ratings or ask us for a suitable alternative.
Q: Is the L9637D still manufactured?
A: Yes, it remains an active ST part. We quote original stock with traceability.
Q: Can you suggest a LIN transceiver alternative?
A: Yes — our cross-reference service can propose equivalents across brands when needed.
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