component
LM2574M-5.0
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+51@@ -0,0 +1,51 @@+# LM2574M-5.0++**Texas Instruments** · DC-DC Converters · SOIC-14++LM2574M-5.0 from Texas Instruments, in a SOIC-14. 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 | NC | unconnected | No internal connection, but must be soldered to PCB for best heat transfer. |+| 2 | NC | unconnected | No internal connection, but must be soldered to PCB for best heat transfer. |+| 3 | FB | input | Feedback sense input pin to set VOUT for adjustable version or connect to output capacitor for fixed output versions. |+| 4 | SIG_GND | power_in | Signal ground pin providing ground reference for internal references and logic. |+| 5 | ON/OFF | input | Enable input with high = OFF and low = ON; connect to GND to enable or do not leave floating. |+| 6 | PWR_GND | power_in | Power ground pins to connect to system ground and capacitor ground pins with shortest possible path from VIN. |+| 7 | NC | unconnected | No internal connection, but must be soldered to PCB for best heat transfer. |+| 8 | NC | unconnected | No internal connection, but must be soldered to PCB for best heat transfer. |+| 9 | NC | unconnected | No internal connection, but must be soldered to PCB for best heat transfer. |+| 10 | VIN | power_in | Supply input pin to high-side transistor collector; connect to power supply and input bypass capacitors with shortest path to PWR_GND. |+| 11 | NC | unconnected | No internal connection, but must be soldered to PCB for best heat transfer. |+| 12 | OUTPUT | output | Emitter pin of the power transistor switching node; attach to inductor and external diode cathode. |+| 13 | NC | unconnected | No internal connection, but must be soldered to PCB for best heat transfer. |+| 14 | NC | unconnected | No internal connection, but must be soldered to PCB for best heat transfer. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Power Supply Chip |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `LM2574M-5.0`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)+- 3D model files: `lm2574m-5-0-etched.step` / `lm2574m-5-0-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2574m-5-0.step` / `lm2574m-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/lm2574) (42 pp, sha256 `61a9f44cec6689e8`, retrieved 2026-09-27, 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 0.2`, 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/lm2574m-5-0-datasheet.pdf)
page.jsonadded+193@@ -0,0 +1,193 @@+{+ "slug": "lm2574m-5-0",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power supply chip",+ "lm2574m-5.0",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm2574m-5-0.kicad_sym",+ "lm2574m-5-0.kicad_mod",+ "lm2574m-5-0.glb",+ "lm2574m-5-0.step",+ "lm2574m-5-0.lbr",+ "docs/hero.png",+ "docs/lm2574m-5-0-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM2574M-5.0",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-14",+ "pin_count": 14,+ "category": "Power Supply Chip",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm2574",+ "parts": {+ "symbol": "lm2574m-5-0.kicad_sym",+ "footprint": "lm2574m-5-0.kicad_mod",+ "model_3d": "lm2574m-5-0-etched.glb",+ "model_3d_plain": "lm2574m-5-0.glb",+ "model_3d_step": "lm2574m-5-0-etched.step",+ "model_3d_step_plain": "lm2574m-5-0.step",+ "lbr": "lm2574m-5-0.lbr"+ },+ "distributor_links": {+ "lcsc": "C1355330",+ "digikey": "296-36386-5-ND",+ "mouser": "926-LM2574M-50"+ },+ "distributor_check": {+ "checked_at": "2026-09-27T06:55:21Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-36386-5-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LM2574M-50",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection, but must be soldered to PCB for best heat transfer."+ },+ {+ "number": "2",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection, but must be soldered to PCB for best heat transfer."+ },+ {+ "number": "3",+ "name": "FB",+ "type": "input",+ "description": "Feedback sense input pin to set VOUT for adjustable version or connect to output capacitor for fixed output versions."+ },+ {+ "number": "4",+ "name": "SIG_GND",+ "type": "power_in",+ "description": "Signal ground pin providing ground reference for internal references and logic."+ },+ {+ "number": "5",+ "name": "ON/OFF",+ "type": "input",+ "description": "Enable input with high = OFF and low = ON; connect to GND to enable or do not leave floating."+ },+ {+ "number": "6",+ "name": "PWR_GND",+ "type": "power_in",+ "description": "Power ground pins to connect to system ground and capacitor ground pins with shortest possible path from VIN."+ },+ {+ "number": "7",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection, but must be soldered to PCB for best heat transfer."+ },+ {+ "number": "8",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection, but must be soldered to PCB for best heat transfer."+ },+ {+ "number": "9",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection, but must be soldered to PCB for best heat transfer."+ },+ {+ "number": "10",+ "name": "VIN",+ "type": "power_in",+ "description": "Supply input pin to high-side transistor collector; connect to power supply and input bypass capacitors with shortest path to PWR_GND."+ },+ {+ "number": "11",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection, but must be soldered to PCB for best heat transfer."+ },+ {+ "number": "12",+ "name": "OUTPUT",+ "type": "output",+ "description": "Emitter pin of the power transistor switching node; attach to inductor and external diode cathode."+ },+ {+ "number": "13",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection, but must be soldered to PCB for best heat transfer."+ },+ {+ "number": "14",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection, but must be soldered to PCB for best heat transfer."+ }+ ],+ "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": 42,+ "cost_usd": 0.3484,+ "at": "2026-09-27T06:55:06"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm2574",+ "pages": 42,+ "sha256": "61a9f44cec6689e8",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 14,+ "described": 14,+ "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]"+ }+}