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LM4050CEM3-5.0
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Texas Instruments Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+40@@ -0,0 +1,40 @@+# LM4050CEM3-5.0++**Texas Instruments** · Voltage Reference · SOT-23++LM4050CEM3-5.0 from Texas Instruments, in a SOT-23. 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 | Cathode | passive | Cathode (datasheet name: 负极) carries the shunt current and input voltage, and the current into this pin must stay within the device's minimum operating current and the 15 mA maximum operating current. |+| 2 | Anode | passive | Anode (datasheet name: 正极) is a general-purpose pin that is typically grounded, and it forms the (−) reference side with pin 1; it also forms a parasitic Schottky diode with pin 3 on SOT-23. |+| 3 | NC | unconnected | No internal connection; on SOT-23 it must be left floating or connected to pin 2 because of the parasitic Schottky diode, and TI recommends connecting it to the anode in applications with high EMI or significant high-frequency switching noise. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `LM4050CEM3-5.0`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)+- 3D model files: `lm4050cem3-5-0-etched.step` / `lm4050cem3-5-0-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm4050cem3-5-0.step` / `lm4050cem3-5-0.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/lm4050-n) (47 pp, sha256 `02a99aa1f022863b`, 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/lm4050cem3-5-0-datasheet.pdf)
page.jsonadded+171@@ -0,0 +1,171 @@+{+ "slug": "lm4050cem3-5-0",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm4050cem3-5.0",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm4050cem3-5-0.kicad_sym",+ "lm4050cem3-5-0.kicad_mod",+ "lm4050cem3-5-0.glb",+ "lm4050cem3-5-0.step",+ "lm4050cem3-5-0.lbr",+ "docs/hero.png",+ "docs/lm4050cem3-5-0-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm4050cem3-5-0-hero.glb",+ "lm4050cem3-5-0-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM4050CEM3-5.0",+ "manufacturer": "Texas Instruments",+ "package": "SOT-23",+ "pin_count": 3,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Reference",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm4050-n",+ "parts": {+ "symbol": "lm4050cem3-5-0.kicad_sym",+ "footprint": "lm4050cem3-5-0.kicad_mod",+ "model_3d": "lm4050cem3-5-0-hero.glb",+ "model_3d_plain": "lm4050cem3-5-0.glb",+ "model_3d_step": "lm4050cem3-5-0-etched.step",+ "model_3d_step_plain": "lm4050cem3-5-0.step",+ "lbr": "lm4050cem3-5-0.lbr"+ },+ "distributor_links": {+ "lcsc": "C2156971",+ "digikey": "2156-LM4050CEM3-5.0-296-ND",+ "mouser": "926-LM4050CEM3-50"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T20:07:15Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "2156-LM4050CEM3-5.0-296-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "926-LM4050CEM3-50",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "Cathode",+ "type": "passive",+ "description": "Cathode (datasheet name: 负极) carries the shunt current and input voltage, and the current into this pin must stay within the device's minimum operating current and the 15 mA maximum operating current."+ },+ {+ "number": "2",+ "name": "Anode",+ "type": "passive",+ "description": "Anode (datasheet name: 正极) is a general-purpose pin that is typically grounded, and it forms the (−) reference side with pin 1; it also forms a parasitic Schottky diode with pin 3 on SOT-23."+ },+ {+ "number": "3",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; on SOT-23 it must be left floating or connected to pin 2 because of the parasitic Schottky diode, and TI recommends connecting it to the anode in applications with high EMI or significant high-frequency switching noise."+ }+ ],+ "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: Pin types for the anode (pin 2) and cathode (pin 1) are mapped to KiCad 'passive' because the datash; The pinout is for the SOT-23 (DBZ) 3-pin package, which is the only package listed for LM4050CEM3-5."+ ],+ "pages_sent": 20,+ "cost_usd": 0.1265,+ "at": "2026-10-08T20:06:45"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm4050-n",+ "pages": 47,+ "sha256": "02a99aa1f022863b",+ "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"+ },+ "models_3d": [+ {+ "file": "lm4050cem3-5-0.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 2.5,+ 3,+ 1.2+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm4050cem3-5-0-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 2.5,+ 3,+ 1.2+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "d0956f52bbe3fdb4c28f77fc8ff372adf4f239595cba1d117e7b7d226988bbf9",+ "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]"+ }+}