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LP2951CMX-3.0
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Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# LP2951CMX-3.0++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8++LP2951CMX-3.0 from Texas Instruments, in a SOIC-8. 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 | OUT | output | Regulated output voltage with 100 mA ensured maximum output current and internal foldback current limiting to 160 mA. |+| 2 | SENSE | input | Output voltage sense input, typically tied to OUT pin for fixed voltage configuration or to feedback network for programmable output. |+| 3 | SHUTDOWN | input | Logic shutdown input; regulator disabled when voltage ≥1.3 V, enabled when voltage ≤0.7 V with typical 50 µA input current at 2.4 V. |+| 4 | GND | power_in | Ground reference connection point for all bias currents and load returns. |+| 5 | ERROR | output | Open-collector error comparator output, goes low when output drops below nominal by approximately 5%, sinks 400 µA maximum with 250 mV output low voltage. |+| 6 | VTAP | output | Internal resistor divider tap with nominal 1.235 V reference voltage and 20 ppm/°C typical temperature coefficient. |+| 7 | FEEDBACK | input | Voltage feedback input for regulation with 20 nA typical bias current, used with external resistor network for programmable output 1.24 V to 29 V. |+| 8 | IN | power_in | Input supply voltage operating from 2.3 V to 30 V with 75 µA typical quiescent current and 40 mV to 380 mV dropout voltage depending on load current. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LP2951CMX-3.0`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `lp2951cmx-3-0-etched.step` / `lp2951cmx-3-0-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lp2951cmx-3-0.step` / `lp2951cmx-3-0.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/lp2951-n) (62 pp, sha256 `b9e1f8851a20b9c9`, retrieved 2026-09-27, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/lp2951cmx-3-0-datasheet.pdf)
page.jsonadded+157@@ -0,0 +1,157 @@+{+ "slug": "lp2951cmx-3-0",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lp2951cmx-3.0",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lp2951cmx-3-0.kicad_sym",+ "lp2951cmx-3-0.kicad_mod",+ "lp2951cmx-3-0.glb",+ "lp2951cmx-3-0.step",+ "lp2951cmx-3-0.lbr",+ "docs/hero.png",+ "docs/lp2951cmx-3-0-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LP2951CMX-3.0",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lp2951-n",+ "parts": {+ "symbol": "lp2951cmx-3-0.kicad_sym",+ "footprint": "lp2951cmx-3-0.kicad_mod",+ "model_3d": "lp2951cmx-3-0-etched.glb",+ "model_3d_plain": "lp2951cmx-3-0.glb",+ "model_3d_step": "lp2951cmx-3-0-etched.step",+ "model_3d_step_plain": "lp2951cmx-3-0.step",+ "lbr": "lp2951cmx-3-0.lbr"+ },+ "distributor_links": {+ "lcsc": "C2861846",+ "digikey": "LP2951CMX-3.0-ND",+ "mouser": "926-LP2951CMX-30"+ },+ "distributor_check": {+ "checked_at": "2026-09-27T01:26:00Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LP2951CMX-3.0-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LP2951CMX-30",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "OUT",+ "type": "output",+ "description": "Regulated output voltage with 100 mA ensured maximum output current and internal foldback current limiting to 160 mA."+ },+ {+ "number": "2",+ "name": "SENSE",+ "type": "input",+ "description": "Output voltage sense input, typically tied to OUT pin for fixed voltage configuration or to feedback network for programmable output."+ },+ {+ "number": "3",+ "name": "SHUTDOWN",+ "type": "input",+ "description": "Logic shutdown input; regulator disabled when voltage ≥1.3 V, enabled when voltage ≤0.7 V with typical 50 µA input current at 2.4 V."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference connection point for all bias currents and load returns."+ },+ {+ "number": "5",+ "name": "ERROR",+ "type": "output",+ "description": "Open-collector error comparator output, goes low when output drops below nominal by approximately 5%, sinks 400 µA maximum with 250 mV output low voltage."+ },+ {+ "number": "6",+ "name": "VTAP",+ "type": "output",+ "description": "Internal resistor divider tap with nominal 1.235 V reference voltage and 20 ppm/°C typical temperature coefficient."+ },+ {+ "number": "7",+ "name": "FEEDBACK",+ "type": "input",+ "description": "Voltage feedback input for regulation with 20 nA typical bias current, used with external resistor network for programmable output 1.24 V to 29 V."+ },+ {+ "number": "8",+ "name": "IN",+ "type": "power_in",+ "description": "Input supply voltage operating from 2.3 V to 30 V with 75 µA typical quiescent current and 40 mV to 380 mV dropout voltage depending on load current."+ }+ ],+ "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-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 62,+ "cost_usd": 0.3541,+ "at": "2026-09-27T01:25:42"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lp2951-n",+ "pages": 62,+ "sha256": "b9e1f8851a20b9c9",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "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]"+ }+}