component
LM2596SX-12
Public Made by Adomby adom
Texas Instruments DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+43@@ -0,0 +1,43 @@+# LM2596SX-12++**Texas Instruments** · DC-DC Converters · TO-263-5++LM2596SX-12 from Texas Instruments, in a TO-263-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VIN | power_in | Positive input power supply for the IC switching regulator; a suitable input bypass capacitor must be placed on this pin to minimize voltage transients and provide the switching current needed by the regulator. |+| 2 | OUTPUT | output | Internal switch output that switches between approximately (+VIN − VSAT) and approximately −0.5V with duty cycle VOUT/VIN; PCB copper area connected to this pin must be minimized to reduce coupling with sensitive circuits. |+| 3 | GND | power_in | Circuit ground connection. |+| 4 | FEEDBACK | input | Feedback input that senses the output voltage to complete the feedback loop. |+| 5 | ON/OFF | input | Logic control input allowing shutdown of the switching regulator; pulling below approximately 1.3V turns on the regulator, pulling to 1.3V or above (maximum 25V) shuts it down, reducing input current to approximately 80μA. |+| 6 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TO-263-5 |+| Category | Power Management (PMIC) |+| Pins | 6 |++## CAD (KiCad official)++- Symbol: `LM2596SX-12`+- Footprint: `Package_TO_SOT_SMD:TO-263-5_TabPin6`+- 3D model: TO-263-5 (KiCad packages3D, STEP)+- 3D model files: `lm2596sx-12-etched.step` / `lm2596sx-12-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2596sx-12.step` / `lm2596sx-12.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/lm2596) (46 pp, sha256 `db4b7ff7ba5182ab`, retrieved 2026-09-23, 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-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/lm2596sx-12-datasheet.pdf)
page.jsonadded+132@@ -0,0 +1,132 @@+{+ "slug": "lm2596sx-12",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, TO-263-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm2596sx-12",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm2596sx-12.kicad_sym",+ "lm2596sx-12.kicad_mod",+ "lm2596sx-12.glb",+ "lm2596sx-12.step",+ "lm2596sx-12.lbr",+ "docs/hero.png",+ "docs/lm2596sx-12-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM2596SX-12",+ "manufacturer": "Texas Instruments",+ "package": "TO-263-5",+ "pin_count": 6,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm2596",+ "parts": {+ "symbol": "lm2596sx-12.kicad_sym",+ "footprint": "lm2596sx-12.kicad_mod",+ "model_3d": "lm2596sx-12-etched.glb",+ "model_3d_plain": "lm2596sx-12.glb",+ "model_3d_step": "lm2596sx-12-etched.step",+ "model_3d_step_plain": "lm2596sx-12.step",+ "lbr": "lm2596sx-12.lbr"+ },+ "distributor_links": {+ "lcsc": "C17127"+ },+ "pins": [+ {+ "number": "1",+ "name": "VIN",+ "type": "power_in",+ "description": "Positive input power supply for the IC switching regulator; a suitable input bypass capacitor must be placed on this pin to minimize voltage transients and provide the switching current needed by the regulator."+ },+ {+ "number": "2",+ "name": "OUTPUT",+ "type": "output",+ "description": "Internal switch output that switches between approximately (+VIN − VSAT) and approximately −0.5V with duty cycle VOUT/VIN; PCB copper area connected to this pin must be minimized to reduce coupling with sensitive circuits."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Circuit ground connection."+ },+ {+ "number": "4",+ "name": "FEEDBACK",+ "type": "input",+ "description": "Feedback input that senses the output voltage to complete the feedback loop."+ },+ {+ "number": "5",+ "name": "ON/OFF",+ "type": "input",+ "description": "Logic control input allowing shutdown of the switching regulator; pulling below approximately 1.3V turns on the regulator, pulling to 1.3V or above (maximum 25V) shuts it down, reducing input current to approximately 80μA."+ },+ {+ "number": "6",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "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",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 6 added from the footprint",+ "1/6 pin names appear NOWHERE in the datasheet text: ['3:GND@p4']"+ ],+ "pages_sent": 46,+ "cost_usd": 0.4478,+ "at": "2026-09-23T10:57:07"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm2596",+ "pages": 46,+ "sha256": "db4b7ff7ba5182ab",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 6,+ "described": 6,+ "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]"+ }+}