component

ISOW7741FQDFMRQ1

Public Made by Adom

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Texas Instruments Digital Isolators, SOIC-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentcommunication interface chip-uart-485-232isow7741fqdfmrq1factory-2.0.0extractor-text

Verified ISOW7741FQDFMRQ1

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 20 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ISOW7741FQDFMRQ1 · SOIC-20 · 20 pins
  • ✓copper: 20 copper pads, none touching another net
  • ✓datasheet: all 20 pin names found in the 59-page datasheet
  • ✓distributor: lcsc C6968794, digikey 296-ISOW7741FQDFMRQ1TR-ND, mouser 595-ISOW7741FQDFMRQ1
  • ✓family: SOIC-20W_7.5x12.8mm_P1.27mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-e2ty1_r1/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • ✓package_fit: height and body within the datasheet's package drawing (datasheet p.49)
  • ✓pads: 20 pins = 20 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 20 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ isow7741fqdfmrq1.kicad_sym✓ isow7741fqdfmrq1.kicad_mod✓ isow7741fqdfmrq1.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 1d ago
viewers isow7741fqdfmrq1: viewers · Ray 1d ago
isow7741fqdfmrq1-etched.glb Publish 0.1.0 · Ray 1d ago
isow7741fqdfmrq1-etched.step isow7741fqdfmrq1: factory component page (tier=mfr) · Ray 1d ago
isow7741fqdfmrq1-hero.glb isow7741fqdfmrq1: hero GLB from the etched model (keeps the MPN mark) · Ray 1d ago
isow7741fqdfmrq1-hero.overlay.json Publish 0.1.0 · Ray 1d ago
isow7741fqdfmrq1.glb Publish 0.1.0 · Ray 1d ago
isow7741fqdfmrq1.kicad_mod Publish 0.1.0 · Ray 1d ago
isow7741fqdfmrq1.kicad_sym Publish 0.1.0 · Ray 1d ago
isow7741fqdfmrq1.lbr Publish 0.1.0 · Ray 1d ago
isow7741fqdfmrq1.step Publish 0.1.0 · Ray 1d ago
package.json Publish 0.1.0 · Ray 1d ago
page.json Set visibility: public · Ray 1d ago
README.md Publish 0.1.0 · Ray 1d ago
verification.json Verified: Published by the parts factory: tier mfr, 20 pins · Ray 1d ago

ISOW7741FQDFMRQ1

Texas Instruments · Digital Isolators · SOIC-20

ISOW7741FQDFMRQ1 from Texas Instruments, in a SOIC-20. 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 VIO power_in Side 1 logic supply (1.71V to 5.5V).
2 INA input Input channel A.
3 INB input Input channel B.
4 INC input Input channel C.
5 OUTD output Output channel D.
6 GNDIO power_in Ground connection for VIO; GND1 and GNDIO need to be shorted on board.
7 EN_IO1 input Output Enable 1: high or open enables side 1 channel outputs; low puts side 1 outputs in high impedance and disables side 1 input transmitters.
8 EN/FLT bidirectional Multi-function pin used either as DC-DC converter enable input (high to VIO level enables, low at GND1 level disables) or as active-low fault output (needs 5kΩ or greater pull-up).
9 VDD power_in Side 1 DC-DC converter power supply (3V to 5.5V).
10 GND1 power_in Ground connection for VDD; GND1 and GNDIO need to be shorted on board.
11 GND2 power_in Ground connection for VISOOUT; GND2 and GISOIN can be shorted on board or connected through a ferrite bead.
12 VISOOUT power_out Isolated power converter output voltage; VISOIN and VISOOUT can be shorted on board or connected through a ferrite bead.
13 VSEL input VISOOUT selection: 5V when shorted to VISOOUT, 3.3V when shorted to GND2.
14 EN_IO2 input Output Enable 2: high or open enables side 2 channel outputs; low puts side 2 outputs in high impedance and disables side 2 input transmitters.
15 GISOIN power_in Ground connection for VISOIN; GND2 and GISOIN can be shorted on board or connected through a ferrite bead.
16 IND input Input channel D.
17 OUTC output Output channel C.
18 OUTB output Output channel B.
19 OUTA output Output channel A.
20 VISOIN power_in Side 2 supply voltage for isolation channels; VISOIN and VISOOUT can be shorted on board or connected through a ferrite bead.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-20
Category Communication Interface Chip/UART/485/232
Pins 20

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts copper pins. Verify that enough copper is present on both GND pins to prevent the internal junction temperature of the 45

CAD (KiCad official)

  • Symbol: ISOW7741FQDFMRQ1
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20 (KiCad packages3D, STEP)
  • 3D model files: isow7741fqdfmrq1-etched.step / isow7741fqdfmrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); isow7741fqdfmrq1.step / isow7741fqdfmrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (59 pp, sha256 5406e11d61ba200a, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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