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THS3491IRGTT
Public Made by Adomby adom
Texas Instruments Operational Amplifier, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+54@@ -0,0 +1,54 @@+# THS3491IRGTT++**Texas Instruments** · Operational Amplifier · VQFN-16-EP(3x3)++THS3491IRGTT from Texas Instruments, in a VQFN-16-EP(3x3). 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 | FB | output | Input-side feedback pin of the current-feedback amplifier. |+| 2 | NC | unconnected | No internal connection; recommended to connect to a heat-spreading plane, typically GND. |+| 3 | VIN- | power_in | Inverting input. |+| 4 | VIN+ | power_in | Noninverting input. |+| 5 | GND | power_in | Ground and PD logic reference on the VQFN-16 (RGT) package; it must be connected to GND. |+| 6 | TJ_SENSE | output | Outputs a voltage proportional to die temperature; pin 5 should be tied to ground to keep this output ground-referenced. |+| 7 | -VS | power_in | Negative power supply. |+| 8 | -VS | power_in | Negative power supply. |+| 9 | NC | unconnected | No internal connection; recommended to connect to a heat-spreading plane, typically GND. |+| 10 | VOUT | output | Amplifier output. |+| 11 | VOUT | output | Amplifier output. |+| 12 | NC | unconnected | No internal connection; recommended to connect to a heat-spreading plane, typically GND. |+| 13 | +VS | power_in | Positive power supply. |+| 14 | +VS | power_in | Positive power supply. |+| 15 | NC | unconnected | No internal connection; recommended to connect to a heat-spreading plane, typically GND. |+| 16 | PD | input | Amplifier power-down: low disables the amplifier and high (default) enables it, with enable threshold REF + 1.5 V and disable threshold REF + 0.8 V. |+| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-16-EP(3x3) |+| Category | Amplifiers/Comparators |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `THS3491IRGTT`+- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`+- 3D model: VQFN-16-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `ths3491irgtt-etched.step` / `ths3491irgtt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ths3491irgtt.step` / `ths3491irgtt.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/ths3491) (56 pp, sha256 `0efd0b60aa999c61`, retrieved 2026-10-08, 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-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](docs/ths3491irgtt-datasheet.pdf)
page.jsonadded+254@@ -0,0 +1,254 @@+{+ "slug": "ths3491irgtt",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Operational Amplifier, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "ths3491irgtt",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ths3491irgtt.kicad_sym",+ "ths3491irgtt.kicad_mod",+ "ths3491irgtt.glb",+ "ths3491irgtt.step",+ "ths3491irgtt.lbr",+ "docs/hero.png",+ "docs/ths3491irgtt-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ths3491irgtt-hero.glb",+ "ths3491irgtt-hero.overlay.json"+ ],+ "component": {+ "mpn": "THS3491IRGTT",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-16-EP(3x3)",+ "pin_count": 17,+ "category": "Amplifiers/Comparators",+ "subcategory": "Operational Amplifier",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ths3491",+ "parts": {+ "symbol": "ths3491irgtt.kicad_sym",+ "footprint": "ths3491irgtt.kicad_mod",+ "model_3d": "ths3491irgtt-hero.glb",+ "model_3d_plain": "ths3491irgtt.glb",+ "model_3d_step": "ths3491irgtt-etched.step",+ "model_3d_step_plain": "ths3491irgtt.step",+ "lbr": "ths3491irgtt.lbr"+ },+ "distributor_links": {+ "lcsc": "C2058678",+ "digikey": "296-52755-2-ND",+ "mouser": "595-THS3491IRGTT"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T20:01:48Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-52755-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-THS3491IRGTT",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "FB",+ "type": "output",+ "description": "Input-side feedback pin of the current-feedback amplifier."+ },+ {+ "number": "2",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; recommended to connect to a heat-spreading plane, typically GND."+ },+ {+ "number": "3",+ "name": "VIN-",+ "type": "power_in",+ "description": "Inverting input."+ },+ {+ "number": "4",+ "name": "VIN+",+ "type": "power_in",+ "description": "Noninverting input."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground and PD logic reference on the VQFN-16 (RGT) package; it must be connected to GND."+ },+ {+ "number": "6",+ "name": "TJ_SENSE",+ "type": "output",+ "description": "Outputs a voltage proportional to die temperature; pin 5 should be tied to ground to keep this output ground-referenced."+ },+ {+ "number": "7",+ "name": "-VS",+ "type": "power_in",+ "description": "Negative power supply."+ },+ {+ "number": "8",+ "name": "-VS",+ "type": "power_in",+ "description": "Negative power supply."+ },+ {+ "number": "9",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; recommended to connect to a heat-spreading plane, typically GND."+ },+ {+ "number": "10",+ "name": "VOUT",+ "type": "output",+ "description": "Amplifier output."+ },+ {+ "number": "11",+ "name": "VOUT",+ "type": "output",+ "description": "Amplifier output."+ },+ {+ "number": "12",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; recommended to connect to a heat-spreading plane, typically GND."+ },+ {+ "number": "13",+ "name": "+VS",+ "type": "power_in",+ "description": "Positive power supply."+ },+ {+ "number": "14",+ "name": "+VS",+ "type": "power_in",+ "description": "Positive power supply."+ },+ {+ "number": "15",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; recommended to connect to a heat-spreading plane, typically GND."+ },+ {+ "number": "16",+ "name": "PD",+ "type": "input",+ "description": "Amplifier power-down: low disables the amplifier and high (default) enables it, with enable threshold REF + 1.5 V and disable threshold REF + 0.8 V."+ },+ {+ "number": "17",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Table 6-1 types FB as O (output) while describing it as the input-side feedback pin; the type was ke; The exposed thermal pad is not given a pin number in the datasheet, so it is not listed as a numbere; The REF pin is not present on the RGT (VQFN-16) package; section 9.3.2 says pin 5 (GND) takes its ro",+ "exposed pad 17 added from the footprint"+ ],+ "pages_sent": 13,+ "cost_usd": 0.0799,+ "at": "2026-10-08T20:01:08"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ths3491",+ "pages": 56,+ "sha256": "0efd0b60aa999c61",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 17,+ "described": 17,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "ths3491irgtt.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3,+ 3,+ 0.785+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "ths3491irgtt-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3,+ 3,+ 0.785+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "82767780270d3bacdbd9eacb2f61bdd2f4c9112256bdc857a1e5a83039332b1f",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}