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SN65LBC031QDR

Public Made by Adom

by adom

Texas Instruments CAN Transceivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN65LBC031QDR

Texas Instruments · CAN Transceivers · SOIC-8

SN65LBC031QDR from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 TX input Transmitter input with an internal pullup that ensures a defined output during power-up and protocol controller reset; VIH is 2 V to VCC and VIL is 0 to 0.8 V.
2 GND power_in Ground terminal; all voltages except the differential bus voltage are measured with respect to GND.
3 VCC power_in Logic supply voltage, recommended 4.5 V to 5.5 V (5 V nominal), with absolute maximum rating of 7 V.
4 RX output Receiver output; VOH is at least VCC - 0.5 V at IOH = -400 µA and VOL is at most 0.5 V at IOL = 1 mA.
5 REF power_out Reference source output at 0.45 VCC to 0.55 VCC for ±20 µA load, with output resistance of 5 to 10 kΩ.
6 CANL bidirectional Low-side CAN bus output driver; bus terminal voltage is limited to -2 V to 7 V recommended (-5 V to 20 V absolute maximum) and the output is short-circuit protected to battery and ground.
7 CANH bidirectional High-side CAN bus output driver; bus terminal voltage is limited to -2 V to 7 V recommended (-5 V to 20 V absolute maximum) and the output is short-circuit protected to battery and ground.
8 ASC input Adjustable slope control input; leave open or tie to GND for 500 kBaud operation, or tie to VCC to slow bus transitions for 125 kBaud operation, with VI limited to the stated TX/ASC input voltage range.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-8
Category Interface
Pins 8

CAD (KiCad official)

  • Symbol: SN65LBC031QDR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: sn65lbc031qdr-etched.step / sn65lbc031qdr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn65lbc031qdr.step / sn65lbc031qdr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (19 pp, sha256 9c627ef1bbbd44ff, retrieved 2026-10-08, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF