component
LM25085ASDX
Public Made by Adomby adom
Texas Instruments DC-DC Controllers, SON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# LM25085ASDX++**Texas Instruments** · DC-DC Controllers · SON-8-EP(3x3)++LM25085ASDX from Texas Instruments, in a SON-8-EP(3x3). 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 | ADJ | input | Current limit threshold adjustment pin; set by external resistor from VIN in conjunction with external sense resistor or PFET RDS(ON). |+| 2 | RT | input | On-time control input; external resistor from VIN sets buck switch on-time and switching frequency; grounding shuts down the controller. |+| 3 | FB | input | Voltage feedback input to regulation and over-voltage comparators with 0.9V regulation level. |+| 4 | GND | power_in | Circuit ground reference for all internal circuitry. |+| 5 | ISEN | input | Current sense input for current limit detection; connect to PFET drain for RDS(ON) sensing or to PFET source and sense resistor for resistive sensing. |+| 6 | PGATE | output | Gate driver output; connect to the external PFET gate. |+| 7 | VCC | power_out | Bias regulator output providing gate driver voltage relative to VIN; requires low ESR capacitor from VIN to VCC located close to pins. |+| 8 | VIN | power_in | Input supply voltage with operating range 4.5V to 42V; requires low ESR bypass capacitor located close to VIN and GND pins. |+| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SON-8-EP(3x3) |+| Category | Power Supply Chip |+| Pins | 9 |++## CAD (KiCad official)++- Symbol: `LM25085ASDX`+- Footprint: `Package_SON:WSON-8-1EP_3x3mm_P0.5mm_EP1.6x2.0mm`+- 3D model: SON-8-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `lm25085asdx-etched.step` / `lm25085asdx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm25085asdx.step` / `lm25085asdx.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/lm25085a) (36 pp, sha256 `941a26173c0d4ed5`, retrieved 2026-10-07, tier: lcsc)+- **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/lm25085asdx-datasheet.pdf)
page.jsonadded+204@@ -0,0 +1,204 @@+{+ "slug": "lm25085asdx",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Controllers, SON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power supply chip",+ "lm25085asdx",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm25085asdx.kicad_sym",+ "lm25085asdx.kicad_mod",+ "lm25085asdx.glb",+ "lm25085asdx.step",+ "lm25085asdx.lbr",+ "docs/hero.png",+ "docs/lm25085asdx-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm25085asdx-hero.glb",+ "lm25085asdx-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM25085ASDX",+ "manufacturer": "Texas Instruments",+ "package": "SON-8-EP(3x3)",+ "pin_count": 9,+ "category": "Power Supply Chip",+ "subcategory": "DC-DC Controllers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm25085a",+ "parts": {+ "symbol": "lm25085asdx.kicad_sym",+ "footprint": "lm25085asdx.kicad_mod",+ "model_3d": "lm25085asdx-hero.glb",+ "model_3d_plain": "lm25085asdx.glb",+ "model_3d_step": "lm25085asdx-etched.step",+ "model_3d_step_plain": "lm25085asdx.step",+ "lbr": "lm25085asdx.lbr"+ },+ "distributor_links": {+ "lcsc": "C2658408"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T07:12:17Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "ADJ",+ "type": "input",+ "description": "Current limit threshold adjustment pin; set by external resistor from VIN in conjunction with external sense resistor or PFET RDS(ON)."+ },+ {+ "number": "2",+ "name": "RT",+ "type": "input",+ "description": "On-time control input; external resistor from VIN sets buck switch on-time and switching frequency; grounding shuts down the controller."+ },+ {+ "number": "3",+ "name": "FB",+ "type": "input",+ "description": "Voltage feedback input to regulation and over-voltage comparators with 0.9V regulation level."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Circuit ground reference for all internal circuitry."+ },+ {+ "number": "5",+ "name": "ISEN",+ "type": "input",+ "description": "Current sense input for current limit detection; connect to PFET drain for RDS(ON) sensing or to PFET source and sense resistor for resistive sensing."+ },+ {+ "number": "6",+ "name": "PGATE",+ "type": "output",+ "description": "Gate driver output; connect to the external PFET gate."+ },+ {+ "number": "7",+ "name": "VCC",+ "type": "power_out",+ "description": "Bias regulator output providing gate driver voltage relative to VIN; requires low ESR capacitor from VIN to VCC located close to pins."+ },+ {+ "number": "8",+ "name": "VIN",+ "type": "power_in",+ "description": "Input supply voltage with operating range 4.5V to 42V; requires low ESR bypass capacitor located close to VIN and GND pins."+ },+ {+ "number": "9",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "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": [+ "exposed pad 9 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 11,+ "cost_usd": 0.1152,+ "at": "2026-10-07T07:12:03"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm25085a",+ "pages": 36,+ "sha256": "941a26173c0d4ed5",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 9,+ "described": 9,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "lm25085asdx.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3,+ 2.98,+ 0.82+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "cbee016fb8ee69c44b13d8818fcf65dcf240f5fdca70b22700521eb617c5311a",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm25085asdx-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3,+ 2.98,+ 0.82+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "b765bac9133f1f53e4471a1b6988bb98ff60ab3281ee0c12251ae0a20e4aa11c",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}