component
LP3990MF-1.8
Public Made by Adomby adom
Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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 @@+# LP3990MF-1.8++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++LP3990MF-1.8 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 | IN | power_in | Voltage supply Input, 2 V to 6 V, with 1-µF capacitor recommended at this input. |+| 2 | GND | power_in | Common Ground. |+| 3 | EN | input | Enable Input; enables the Regulator when ≥ 0.95 V and disables when ≤ 0.4 V, with 1-MΩ typical pull-down resistor to GND. |+| 4 | N/C | unconnected | No internal connection. |+| 5 | OUT | output | Voltage output, 0.8 V to 3.3 V depending on variant, with 1-µF Low ESR capacitor recommended at this pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-5 |+| Category | Power Management (PMIC) |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `LP3990MF-1.8`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)+- 3D model files: `lp3990mf-1-8-etched.step` / `lp3990mf-1-8-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lp3990mf-1-8.step` / `lp3990mf-1-8.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/lp3990) (30 pp, sha256 `29d422eb70ba7b94`, retrieved 2026-10-05, tier: lcsc)+- **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/lp3990mf-1-8-datasheet.pdf)
page.jsonadded+141@@ -0,0 +1,141 @@+{+ "slug": "lp3990mf-1-8",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lp3990mf-1.8",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lp3990mf-1-8.kicad_sym",+ "lp3990mf-1-8.kicad_mod",+ "lp3990mf-1-8.glb",+ "lp3990mf-1-8.step",+ "lp3990mf-1-8.lbr",+ "docs/hero.png",+ "docs/lp3990mf-1-8-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lp3990mf-1-8-hero.glb",+ "lp3990mf-1-8-hero.overlay.json"+ ],+ "component": {+ "mpn": "LP3990MF-1.8",+ "manufacturer": "Texas Instruments",+ "package": "SOT-23-5",+ "pin_count": 5,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lp3990",+ "parts": {+ "symbol": "lp3990mf-1-8.kicad_sym",+ "footprint": "lp3990mf-1-8.kicad_mod",+ "model_3d": "lp3990mf-1-8-hero.glb",+ "model_3d_plain": "lp3990mf-1-8.glb",+ "model_3d_step": "lp3990mf-1-8-etched.step",+ "model_3d_step_plain": "lp3990mf-1-8.step",+ "lbr": "lp3990mf-1-8.lbr"+ },+ "distributor_links": {+ "lcsc": 2877799,+ "digikey": "LP3990MF-1.8TR-ND",+ "mouser": "926-LP3990MF-18"+ },+ "distributor_check": {+ "checked_at": "2026-10-05T19:29:22Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LP3990MF-1.8TR-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LP3990MF-18",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "IN",+ "type": "power_in",+ "description": "Voltage supply Input, 2 V to 6 V, with 1-µF capacitor recommended at this input."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Common Ground."+ },+ {+ "number": "3",+ "name": "EN",+ "type": "input",+ "description": "Enable Input; enables the Regulator when ≥ 0.95 V and disables when ≤ 0.4 V, with 1-MΩ typical pull-down resistor to GND."+ },+ {+ "number": "4",+ "name": "N/C",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "5",+ "name": "OUT",+ "type": "output",+ "description": "Voltage output, 0.8 V to 3.3 V depending on variant, with 1-µF Low ESR capacitor recommended at this pin."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 9,+ "cost_usd": 0.081,+ "at": "2026-10-05T19:29:08"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lp3990",+ "pages": 30,+ "sha256": "29d422eb70ba7b94",+ "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]"+ }+}