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LP3875EMP-3.3
Public Made by Adomby adom
Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+41@@ -0,0 +1,41 @@+# LP3875EMP-3.3++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-5++LP3875EMP-3.3 from Texas Instruments, in a SOT-223-5. 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 | SD | input | Shutdown control input; CMOS logic low disables regulator and reduces quiescent current to 10 nA typical; must be pulled high through 10-kΩ pullup resistor for normal operation. |+| 2 | IN | power_in | Supply input voltage, operating range 2.5 V to 7 V; minimum operating VIN equals max(VOUT + dropout voltage, 2.5 V). |+| 3 | OUT | power_out | Regulated output voltage with ±1.5% accuracy at 25°C and ±3.0% over −40°C to 125°C junction temperature; supports maximum DC output current of 1.5 A with typical dropout voltage of 38 mV at 150 mA and 380 mV at 1.5 A load. |+| 4 | SENSE | input | Remote voltage sense input for improved load regulation at remote loads; must be connected to OUT pin if remote voltage sensing is not used. |+| 5 | GND | power_in | Ground reference. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-223-5 |+| Category | Power Management (PMIC) |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `LP3875EMP-3.3`+- Footprint: `Package_TO_SOT_SMD:SOT-223-5`+- 3D model: SOT-223-5, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 1.45 mm nominal SOT height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)+- 3D model files: `lp3875emp-3-3-etched.step` / `lp3875emp-3-3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lp3875emp-3-3.step` / `lp3875emp-3-3.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/lp3875) (30 pp, sha256 `6a8b5890967893c1`, retrieved 2026-10-01, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, 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/lp3875emp-3-3-datasheet.pdf)
page.jsonadded+139@@ -0,0 +1,139 @@+{+ "slug": "lp3875emp-3-3",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lp3875emp-3.3",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lp3875emp-3-3.kicad_sym",+ "lp3875emp-3-3.kicad_mod",+ "lp3875emp-3-3.glb",+ "lp3875emp-3-3.step",+ "lp3875emp-3-3.lbr",+ "docs/hero.png",+ "docs/lp3875emp-3-3-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LP3875EMP-3.3",+ "manufacturer": "Texas Instruments",+ "package": "SOT-223-5",+ "pin_count": 5,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lp3875",+ "parts": {+ "symbol": "lp3875emp-3-3.kicad_sym",+ "footprint": "lp3875emp-3-3.kicad_mod",+ "model_3d": "lp3875emp-3-3-etched.glb",+ "model_3d_plain": "lp3875emp-3-3.glb",+ "model_3d_step": "lp3875emp-3-3-etched.step",+ "model_3d_step_plain": "lp3875emp-3-3.step",+ "lbr": "lp3875emp-3-3.lbr"+ },+ "distributor_links": {+ "lcsc": "C206480",+ "digikey": "LP3875EMP-3.3TR-ND",+ "mouser": "926-LP3875EMP-33"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T17:56:59Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LP3875EMP-3.3TR-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LP3875EMP-33",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "SD",+ "type": "input",+ "description": "Shutdown control input; CMOS logic low disables regulator and reduces quiescent current to 10 nA typical; must be pulled high through 10-kΩ pullup resistor for normal operation."+ },+ {+ "number": "2",+ "name": "IN",+ "type": "power_in",+ "description": "Supply input voltage, operating range 2.5 V to 7 V; minimum operating VIN equals max(VOUT + dropout voltage, 2.5 V)."+ },+ {+ "number": "3",+ "name": "OUT",+ "type": "power_out",+ "description": "Regulated output voltage with ±1.5% accuracy at 25°C and ±3.0% over −40°C to 125°C junction temperature; supports maximum DC output current of 1.5 A with typical dropout voltage of 38 mV at 150 mA and 380 mV at 1.5 A load."+ },+ {+ "number": "4",+ "name": "SENSE",+ "type": "input",+ "description": "Remote voltage sense input for improved load regulation at remote loads; must be connected to OUT pin if remote voltage sensing is not used."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference."+ }+ ],+ "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-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 30,+ "cost_usd": 0.2477,+ "at": "2026-10-01T17:56:38"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lp3875",+ "pages": 30,+ "sha256": "6a8b5890967893c1",+ "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]"+ }+}