component
LM4040AIM3-2.0
Public Made by Adomby adom
Texas Instruments Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+40@@ -0,0 +1,40 @@+# LM4040AIM3-2.0++**Texas Instruments** · Voltage Reference · SOT-23-3++LM4040AIM3-2.0 from Texas Instruments, in a SOT-23-3. 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 | 负极 (Cathode) | output | Cathode; shunt current and regulated output voltage appear at this terminal when supply current is maintained between IRMIN and IRMAX. |+| 2 | 正极 (Anode) | power_in | Anode pin; serves as the ground reference and current return path; normally connected to system ground. |+| 3 | NC (parasitic element) | unconnected | Parasitic Schottky diode node; must be left floating or connected to pin 2 (anode); in high EMI environments TI recommends connecting to anode. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-3 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `LM4040AIM3-2.0`+- Footprint: `Package_TO_SOT_SMD:SOT-23-3`+- 3D model: SOT-23-3 (KiCad packages3D, STEP)+- 3D model files: `lm4040aim3-2-0-etched.step` / `lm4040aim3-2-0-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm4040aim3-2-0.step` / `lm4040aim3-2-0.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/lm4040-n) (84 pp, sha256 `5655b017c6397138`, retrieved 2026-09-24, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/lm4040aim3-2-0-datasheet.pdf)
page.jsonadded+113@@ -0,0 +1,113 @@+{+ "slug": "lm4040aim3-2-0",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm4040aim3-2.0",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm4040aim3-2-0.kicad_sym",+ "lm4040aim3-2-0.kicad_mod",+ "lm4040aim3-2-0.glb",+ "lm4040aim3-2-0.step",+ "lm4040aim3-2-0.lbr",+ "docs/hero.png",+ "docs/lm4040aim3-2-0-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM4040AIM3-2.0",+ "manufacturer": "Texas Instruments",+ "package": "SOT-23-3",+ "pin_count": 3,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Reference",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm4040-n",+ "parts": {+ "symbol": "lm4040aim3-2-0.kicad_sym",+ "footprint": "lm4040aim3-2-0.kicad_mod",+ "model_3d": "lm4040aim3-2-0-etched.glb",+ "model_3d_plain": "lm4040aim3-2-0.glb",+ "model_3d_step": "lm4040aim3-2-0-etched.step",+ "model_3d_step_plain": "lm4040aim3-2-0.step",+ "lbr": "lm4040aim3-2-0.lbr"+ },+ "distributor_links": {+ "lcsc": "C2156507"+ },+ "pins": [+ {+ "number": "1",+ "name": "负极 (Cathode)",+ "type": "output",+ "description": "Cathode; shunt current and regulated output voltage appear at this terminal when supply current is maintained between IRMIN and IRMAX."+ },+ {+ "number": "2",+ "name": "正极 (Anode)",+ "type": "power_in",+ "description": "Anode pin; serves as the ground reference and current return path; normally connected to system ground."+ },+ {+ "number": "3",+ "name": "NC (parasitic element)",+ "type": "unconnected",+ "description": "Parasitic Schottky diode node; must be left floating or connected to pin 2 (anode); in high EMI environments TI recommends connecting to anode."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Pin 3 classification: The datasheet indicates a parasitic Schottky diode exists between pin 2 and pi; Pin 1 type assignment: Classified as 'output' for the regulated voltage reference function, though t"+ ],+ "pages_sent": 84,+ "cost_usd": 0.505,+ "at": "2026-09-24T07:05:18"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm4040-n",+ "pages": 84,+ "sha256": "5655b017c6397138",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 3,+ "described": 3,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}