component
LP2981A-30DBVR
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.
← Commit history
README.mdadded+42@@ -0,0 +1,42 @@+# LP2981A-30DBVR++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++LP2981A-30DBVR 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 | Input supply pin accepting 2.5V to 16V; requires minimum 1µF capacitor to ground. |+| 2 | GND | power_in | Common ground and device substrate. |+| 3 | ON/OFF | input | Logic enable pin; drive high to enable device, low to disable; accepts 0V to 16V; tie to VIN if unused. |+| 4 | NC | unconnected | No connection; leave floating. |+| 5 | OUT | power_out | Regulated output voltage 1.2V to 5.0V; requires minimum 2.2µF capacitor to ground with effective capacitance ≥1µF. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-5 |+| Category | Power Management (PMIC) |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `LP2981A-30DBVR`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)+- 3D model files: `lp2981a-30dbvr-etched.step` / `lp2981a-30dbvr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lp2981a-30dbvr.step` / `lp2981a-30dbvr.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/lp2981a) (35 pp, sha256 `f9a14a5370d16829`, retrieved 2026-10-01, 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-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/lp2981a-30dbvr-datasheet.pdf)
page.jsonadded+138@@ -0,0 +1,138 @@+{+ "slug": "lp2981a-30dbvr",+ "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)",+ "lp2981a-30dbvr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lp2981a-30dbvr.kicad_sym",+ "lp2981a-30dbvr.kicad_mod",+ "lp2981a-30dbvr.glb",+ "lp2981a-30dbvr.step",+ "lp2981a-30dbvr.lbr",+ "docs/hero.png",+ "docs/lp2981a-30dbvr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LP2981A-30DBVR",+ "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/lp2981a",+ "parts": {+ "symbol": "lp2981a-30dbvr.kicad_sym",+ "footprint": "lp2981a-30dbvr.kicad_mod",+ "model_3d": "lp2981a-30dbvr-etched.glb",+ "model_3d_plain": "lp2981a-30dbvr.glb",+ "model_3d_step": "lp2981a-30dbvr-etched.step",+ "model_3d_step_plain": "lp2981a-30dbvr.step",+ "lbr": "lp2981a-30dbvr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2877806",+ "digikey": "296-LP2981A-30DBVRTR-ND",+ "mouser": "595-LP2981A-30DBVR"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T06:35:47Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-LP2981A-30DBVRTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-LP2981A-30DBVR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "IN",+ "type": "power_in",+ "description": "Input supply pin accepting 2.5V to 16V; requires minimum 1µF capacitor to ground."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Common ground and device substrate."+ },+ {+ "number": "3",+ "name": "ON/OFF",+ "type": "input",+ "description": "Logic enable pin; drive high to enable device, low to disable; accepts 0V to 16V; tie to VIN if unused."+ },+ {+ "number": "4",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; leave floating."+ },+ {+ "number": "5",+ "name": "OUT",+ "type": "power_out",+ "description": "Regulated output voltage 1.2V to 5.0V; requires minimum 2.2µF capacitor to ground with effective capacitance ≥1µF."+ }+ ],+ "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": 12,+ "cost_usd": 0.1098,+ "at": "2026-10-01T06:35:31"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lp2981a",+ "pages": 35,+ "sha256": "f9a14a5370d16829",+ "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]"+ }+}