component
XL1509-5.0
Public Made by Adomby adom
UMW DC-DC Converters, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.md+4−4@@ -1,8 +1,8 @@ # XL1509-5.0 -**Unknown** · DC-DC Converters · SOIC-8+**UMW** · DC-DC Converters · SOIC-8 -XL1509-5.0 from Unknown, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.+XL1509-5.0 from UMW, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD. ## Pinout @@ -21,7 +21,7 @@ XL1509-5.0 from Unknown, in a SOIC-8. Pinout and pin descriptions extracted from | Parameter | Value | |---|---|-| Manufacturer | Unknown |+| Manufacturer | UMW | | Package | SOIC-8 | | Category | PMIC | | Pins | 8 |@@ -41,7 +41,7 @@ XL1509-5.0 from Unknown, in a SOIC-8. Pinout and pin descriptions extracted from Data extracted from the manufacturer datasheet, not a distributor listing: -- **Datasheet:** [Unknown datasheet](docs/xl1509-5-0-datasheet.pdf) (15 pp, sha256 `bd5713838034a224`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet:** [UMW datasheet](docs/xl1509-5-0-datasheet.pdf) (15 pp, sha256 `bd5713838034a224`, retrieved 2026-08-17, tier: lcsc) - **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - **CAD:** KiCad official libraries (CC-BY-SA 4.0).
page.json+136−139@@ -1,145 +1,142 @@ {- "schema_version": 1,- "type": "component",- "slug": "xl1509-5-0",- "title": "XL1509-5.0",- "brief": "Unknown DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",- "license": "CC-BY-SA-4.0",- "tags": [- "component",- "pmic",- "xl1509-5.0"- ],- "component": {- "mpn": "XL1509-5.0",- "manufacturer": "Unknown",- "package": "SOIC-8",- "pin_count": 8,- "category": "PMIC",- "subcategory": "DC-DC Converters",- "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403200255_UMW-Youtai-Semiconductor-Co---Ltd--XL1509-5-0_C2902368.pdf",- "parts": {- "symbol": "xl1509-5-0.kicad_sym",- "footprint": "xl1509-5-0.kicad_mod",- "model_3d": "xl1509-5-0.glb",- "model_3d_step": "xl1509-5-0.step",- "lbr": "xl1509-5-0.lbr"- },- "distributor_links": {},- "pins": [- {- "number": "1",- "name": "VIN",- "type": "power_in",- "description": "Supply voltage input. Operates from 4.5 V to 40 V DC (absolute max 45 V). Bypass to GND with a large-value low-ESR capacitor (e.g. 470 uF/35 V CIN + 1 uF ceramic) placed close to the pin to eliminate input switching noise."- },- {- "number": "2",- "name": "OUTPUT",- "type": "output",- "description": "Power switch output (SW node). Internal high-side switch connects VIN to this pin during on-time; the external Schottky catch diode (e.g. 1N5820) and inductor form the buck power stage. Saturation voltage ~1.2 V typ at 2 A."- },- {- "number": "3",- "name": "FEEDBACK",- "type": "input",- "description": "Feedback (FB) sense input. For fixed 5.0 V version this pin is tied to the regulated output; the internal reference is 1.23 V and the fixed-output divider is set on-die. Absolute max -0.3 V to VIN."- },- {- "number": "4",- "name": "ON/OFF",- "type": "input",- "description": "Enable pin, TTL-compatible with hysteresis. Drive low (<0.8 V) to enable the regulator, high (>1.4 V) to shut it down (~80 uA standby). Floating is default low (enabled). Absolute max -0.3 V to VIN."- },- {- "number": "5",- "name": "GND",- "type": "power_in",- "description": "Ground return. Pins 5, 6, 7, 8 are all GND and should be tied to a solid ground plane; on ESOP-8 the exposed pad also serves as thermal ground."- },- {- "number": "6",- "name": "GND",- "type": "power_in",- "description": "Ground return. Tie to the same ground plane as pins 5/7/8. Keep this path outside the Schottky-diode-to-output-cap ground loop to avoid switching noise injection."- },- {- "number": "7",- "name": "GND",- "type": "power_in",- "description": "Ground return. Tie to the same ground plane as pins 5/6/8. Keep this path outside the Schottky-diode-to-output-cap ground loop to avoid switching noise injection."- },- {- "number": "8",- "name": "GND",- "type": "power_in",- "description": "Ground return. Tie to the same ground plane as pins 5/6/7. Keep this path outside the Schottky-diode-to-output-cap ground loop to avoid switching noise injection."- }- ],- "provenance": {- "extractor": "ds2sf",- "datasheet": {- "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403200255_UMW-Youtai-Semiconductor-Co---Ltd--XL1509-5-0_C2902368.pdf",- "pages": 15,- "sha256": "bd5713838034a224",- "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"- }- },- "metadata": {- "specs": {- "Manufacturer": "Unknown",- "Package": "SOIC-8",- "Category": "PMIC",- "Pins": "8"- }+ "schema_version": 1,+ "type": "component",+ "slug": "xl1509-5-0",+ "title": "XL1509-5.0",+ "brief": "UMW DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "version": "0.1.0",+ "license": "CC-BY-SA-4.0",+ "tags": [+ "component",+ "pmic",+ "xl1509-5.0"+ ],+ "component": {+ "mpn": "XL1509-5.0",+ "manufacturer": "UMW",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "PMIC",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403200255_UMW-Youtai-Semiconductor-Co---Ltd--XL1509-5-0_C2902368.pdf",+ "parts": {+ "symbol": "xl1509-5-0.kicad_sym",+ "footprint": "xl1509-5-0.kicad_mod",+ "model_3d": "xl1509-5-0.glb",+ "model_3d_step": "xl1509-5-0.step",+ "lbr": "xl1509-5-0.lbr" },- "sections": [- "hero",- "viewers",- "readme",- "breadcrumbs",- "info"- ],- "discovery_triggers": [- "xl1509-5.0"+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "VIN",+ "type": "power_in",+ "description": "Supply voltage input. Operates from 4.5 V to 40 V DC (absolute max 45 V). Bypass to GND with a large-value low-ESR capacitor (e.g. 470 uF/35 V CIN + 1 uF ceramic) placed close to the pin to eliminate input switching noise."+ },+ {+ "number": "2",+ "name": "OUTPUT",+ "type": "output",+ "description": "Power switch output (SW node). Internal high-side switch connects VIN to this pin during on-time; the external Schottky catch diode (e.g. 1N5820) and inductor form the buck power stage. Saturation voltage ~1.2 V typ at 2 A."+ },+ {+ "number": "3",+ "name": "FEEDBACK",+ "type": "input",+ "description": "Feedback (FB) sense input. For fixed 5.0 V version this pin is tied to the regulated output; the internal reference is 1.23 V and the fixed-output divider is set on-die. Absolute max -0.3 V to VIN."+ },+ {+ "number": "4",+ "name": "ON/OFF",+ "type": "input",+ "description": "Enable pin, TTL-compatible with hysteresis. Drive low (<0.8 V) to enable the regulator, high (>1.4 V) to shut it down (~80 uA standby). Floating is default low (enabled). Absolute max -0.3 V to VIN."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground return. Pins 5, 6, 7, 8 are all GND and should be tied to a solid ground plane; on ESOP-8 the exposed pad also serves as thermal ground."+ },+ {+ "number": "6",+ "name": "GND",+ "type": "power_in",+ "description": "Ground return. Tie to the same ground plane as pins 5/7/8. Keep this path outside the Schottky-diode-to-output-cap ground loop to avoid switching noise injection."+ },+ {+ "number": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Ground return. Tie to the same ground plane as pins 5/6/8. Keep this path outside the Schottky-diode-to-output-cap ground loop to avoid switching noise injection."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground return. Tie to the same ground plane as pins 5/6/7. Keep this path outside the Schottky-diode-to-output-cap ground loop to avoid switching noise injection."+ } ],- "discovery_pitch": "XL1509-5.0 (Unknown) component page with datasheet-verified CAD.",- "author": {- "name": "Ray",- "email": "[email protected]"+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403200255_UMW-Youtai-Semiconductor-Co---Ltd--XL1509-5-0_C2902368.pdf",+ "pages": 15,+ "sha256": "bd5713838034a224",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ } },- "dependencies": {},- "hero": {- "type": "image",- "path": "docs/hero.png"- },- "files": [- "page.json",- "README.md",- "xl1509-5-0.kicad_sym",- "xl1509-5-0.kicad_mod",- "xl1509-5-0.glb",- "xl1509-5-0.step",- "xl1509-5-0.lbr",- "docs/hero.png",- "docs/xl1509-5-0-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html"- ],- "visibility": {- "public": true+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Unknown",+ "Package": "SOIC-8",+ "Category": "PMIC",+ "Pins": "8" }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "xl1509-5.0"+ ],+ "discovery_pitch": "XL1509-5.0 (Unknown) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ },+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "xl1509-5-0.kicad_sym",+ "xl1509-5-0.kicad_mod",+ "xl1509-5-0.glb",+ "xl1509-5-0.step",+ "xl1509-5-0.lbr",+ "docs/hero.png",+ "docs/xl1509-5-0-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ] }