component
LM4120IM5-4.1
Public Made by Adomby adom
Texas Instruments Voltage Reference, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+41@@ -0,0 +1,41 @@+# LM4120IM5-4.1++**Texas Instruments** · Voltage Reference · SOT-23-5++LM4120IM5-4.1 from Texas Instruments, in a SOT-23-5. 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 | REF | unconnected | REF pin which must be left unconnected; sensitive to noise and capacitive loading. |+| 2 | GND | power_in | Negative supply or ground connection. |+| 3 | Enable | input | Analog enable input pulled to VIN for normal operation; forcing to ground turns off device output. |+| 4 | VIN | power_in | Positive supply input; operates from 2 V to 12 V. |+| 5 | VOUT | output | Reference voltage output; sources up to 5 mA or sinks up to 5 mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-5 |+| Category | Power Management (PMIC) |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `LM4120IM5-4.1`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)+- 3D model files: `lm4120im5-4-1-etched.step` / `lm4120im5-4-1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm4120im5-4-1.step` / `lm4120im5-4-1.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/lm4120) (23 pp, sha256 `52a620e678f029f5`, retrieved 2026-09-24, tier: lcsc)+- **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/lm4120im5-4-1-datasheet.pdf)
page.jsonadded+123@@ -0,0 +1,123 @@+{+ "slug": "lm4120im5-4-1",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Reference, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm4120im5-4.1",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm4120im5-4-1.kicad_sym",+ "lm4120im5-4-1.kicad_mod",+ "lm4120im5-4-1.glb",+ "lm4120im5-4-1.step",+ "lm4120im5-4-1.lbr",+ "docs/hero.png",+ "docs/lm4120im5-4-1-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM4120IM5-4.1",+ "manufacturer": "Texas Instruments",+ "package": "SOT-23-5",+ "pin_count": 5,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Reference",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm4120",+ "parts": {+ "symbol": "lm4120im5-4-1.kicad_sym",+ "footprint": "lm4120im5-4-1.kicad_mod",+ "model_3d": "lm4120im5-4-1-etched.glb",+ "model_3d_plain": "lm4120im5-4-1.glb",+ "model_3d_step": "lm4120im5-4-1-etched.step",+ "model_3d_step_plain": "lm4120im5-4-1.step",+ "lbr": "lm4120im5-4-1.lbr"+ },+ "distributor_links": {+ "lcsc": "C136758"+ },+ "pins": [+ {+ "number": "1",+ "name": "REF",+ "type": "unconnected",+ "description": "REF pin which must be left unconnected; sensitive to noise and capacitive loading."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Negative supply or ground connection."+ },+ {+ "number": "3",+ "name": "Enable",+ "type": "input",+ "description": "Analog enable input pulled to VIN for normal operation; forcing to ground turns off device output."+ },+ {+ "number": "4",+ "name": "VIN",+ "type": "power_in",+ "description": "Positive supply input; operates from 2 V to 12 V."+ },+ {+ "number": "5",+ "name": "VOUT",+ "type": "output",+ "description": "Reference voltage output; sources up to 5 mA or sinks up to 5 mA."+ }+ ],+ "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": [],+ "pages_sent": 23,+ "cost_usd": 0.1957,+ "at": "2026-09-24T05:05:37"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm4120",+ "pages": 23,+ "sha256": "52a620e678f029f5",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 5,+ "described": 5,+ "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]"+ }+}