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ISO7731FDBQR
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Texas Instruments Digital Isolators, SSOP-16-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# ISO7731FDBQR++**Texas Instruments** · Digital Isolators · SSOP-16-150mil++ISO7731FDBQR from Texas Instruments, in a SSOP-16-150mil. 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 | VCC1 | power_in | Input-side power supply, operating range 2.25V to 5.5V. |+| 2 | GND1 | power_in | Input-side ground reference for VCC1. |+| 3 | INA | input | Channel A digital input; high threshold VIH=0.7×VCCI, low threshold VIL=0 to 0.3×VCCI. |+| 4 | INB | input | Channel B digital input; high threshold VIH=0.7×VCCI, low threshold VIL=0 to 0.3×VCCI. |+| 5 | OUTC | tri_state | Channel C digital output; VOL=0.2V typ, VOH=VCCO-0.4V typ when enabled; high-impedance tri-state when EN1 is low. |+| 6 | NC | unconnected | No connection. |+| 7 | EN1 | input | Output enable 1; enables OUTC when high or open-circuit, tri-state when low. |+| 8 | GND1 | power_in | Input-side ground reference for VCC1. |+| 9 | GND2 | power_in | Output-side ground reference for VCC2. |+| 10 | EN2 | input | Output enable 2; enables OUTA and OUTB when high or open-circuit, tri-state when low. |+| 11 | NC | unconnected | No connection. |+| 12 | INC | input | Channel C digital input; high threshold VIH=0.7×VCCO, low threshold VIL=0 to 0.3×VCCO. |+| 13 | OUTB | tri_state | Channel B digital output; VOL=0.2V typ, VOH=VCCO-0.4V typ when enabled; high-impedance tri-state when EN2 is low. |+| 14 | OUTA | tri_state | Channel A digital output; VOL=0.2V typ, VOH=VCCO-0.4V typ when enabled; high-impedance tri-state when EN2 is low. |+| 15 | GND2 | power_in | Output-side ground reference for VCC2. |+| 16 | VCC2 | power_in | Output-side power supply, operating range 2.25V to 5.5V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SSOP-16-150mil |+| Category | Signal Isolation Devices |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `ISO7731FDBQR`+- Footprint: `Package_SO:SSOP-16_5.3x6.2mm_P0.65mm`+- 3D model: SSOP-16-150mil (KiCad packages3D, STEP)+- 3D model files: `iso7731fdbqr-etched.step` / `iso7731fdbqr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `iso7731fdbqr.step` / `iso7731fdbqr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/iso7730) (49 pp, sha256 `6d47a7b1277198b2`, retrieved 2026-10-03, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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](docs/iso7731fdbqr-datasheet.pdf)
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