component
MP4473GL-Z
Public Made by Adomby adom
Monolithic Power Systems DC-DC Converters, QFN-20(3x4). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+224−8@@ -1,13 +1,234 @@ {+ "schema_version": 1,+ "type": "component", "slug": "mp4473gl-z",+ "title": "MP4473GL-Z",+ "brief": "Monolithic Power Systems DC-DC Converters, QFN-20(3x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Monolithic Power Systems DC-DC Converters, QFN-20(3x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "power management (pmic)", "mp4473gl-z" ],+ "component": {+ "mpn": "MP4473GL-Z",+ "manufacturer": "Monolithic Power Systems",+ "package": "QFN-20(3x4)",+ "pin_count": 25,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600680804737830912",+ "parts": {+ "symbol": "mp4473gl-z.kicad_sym",+ "footprint": "mp4473gl-z.kicad_mod",+ "model_3d": "mp4473gl-z.glb",+ "model_3d_step": "mp4473gl-z.step",+ "lbr": "mp4473gl-z.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground. Quiet reference for the internal analog circuitry; connect to the system ground plane with a low-impedance path."+ },+ {+ "number": "2",+ "name": "FREQ",+ "type": "input",+ "description": "Frequency set (CCM). A resistor from FREQ to GND (with VIN sensing) programs the on-time and thus the switching frequency (200kHz-1MHz). Decouple with a 1nF capacitor."+ },+ {+ "number": "3",+ "name": "FB",+ "type": "input",+ "description": "Feedback input. Tap of the external resistor divider from VOUT to GND that sets the output voltage; the internal reference is 0.8V (1% tolerance)."+ },+ {+ "number": "4",+ "name": "SS",+ "type": "bidirectional",+ "description": "Soft-start. An external capacitor programs the soft-start ramp. When EN is HIGH, an 8.5\u00b5A internal current source charges the cap and SS ramps 0\u2192VFB; when EN goes LOW, the cap is discharged."+ },+ {+ "number": "5",+ "name": "EN",+ "type": "input",+ "description": "Enable input. EN=1 enables the converter. For automatic start-up, tie EN to IN through a 100k\u03a9 resistor. Contains an internal 1M\u03a9 pull-down."+ },+ {+ "number": "6",+ "name": "PGOOD",+ "type": "output",+ "description": "Power-good open-drain output. Goes HIGH once VFB \u2265 90% of the nominal reference; there is roughly a 700\u00b5s delay from FB reaching 90% to PGOOD asserting HIGH. Requires an external pull-up resistor."+ },+ {+ "number": "7",+ "name": "BST",+ "type": "passive",+ "description": "Bootstrap. Connect a 0.1\u00b5F-1\u00b5F capacitor from BST to SW to form a floating supply for the high-side MOSFET gate driver."+ },+ {+ "number": "8",+ "name": "IN",+ "type": "power_in",+ "description": "Supply voltage input, 4.5V-36V operating range. Pins 8, 19, 21, 22, 23 are all tied to IN internally; decouple with CIN close to the device using wide traces and multiple vias."+ },+ {+ "number": "9",+ "name": "SW",+ "type": "output",+ "description": "Switch node output. Pins 9, 10, 17, 18, 24, 25 are all tied to SW; connect through the external inductor to VOUT. Use wide traces and multiple vias."+ },+ {+ "number": "10",+ "name": "SW",+ "type": "output",+ "description": "Switch node output (see pin 9)."+ },+ {+ "number": "11",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground. Return for the low-side power MOSFET and reference for the regulated output. Pins 11-16 all tie to PGND; careful layout is required."+ },+ {+ "number": "12",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground (see pin 11)."+ },+ {+ "number": "13",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground (see pin 11)."+ },+ {+ "number": "14",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground (see pin 11)."+ },+ {+ "number": "15",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground (see pin 11)."+ },+ {+ "number": "16",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground (see pin 11)."+ },+ {+ "number": "17",+ "name": "SW",+ "type": "output",+ "description": "Switch node output (see pin 9)."+ },+ {+ "number": "18",+ "name": "SW",+ "type": "output",+ "description": "Switch node output (see pin 9)."+ },+ {+ "number": "19",+ "name": "IN",+ "type": "power_in",+ "description": "Supply voltage input (see pin 8)."+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_out",+ "description": "Internal 5V LDO bias supply output. Decouple with a 1\u00b5F capacitor placed as close to the pin as possible; do not use to power external loads."+ },+ {+ "number": "21",+ "name": "IN",+ "type": "power_in",+ "description": "Supply voltage input, exposed pad (see pin 8)."+ },+ {+ "number": "22",+ "name": "IN",+ "type": "power_in",+ "description": "Supply voltage input, exposed pad (see pin 8)."+ },+ {+ "number": "23",+ "name": "IN",+ "type": "power_in",+ "description": "Supply voltage input, exposed pad (see pin 8)."+ },+ {+ "number": "24",+ "name": "SW",+ "type": "output",+ "description": "Switch node output, exposed pad (see pin 9)."+ },+ {+ "number": "25",+ "name": "SW",+ "type": "output",+ "description": "Switch node output, exposed pad (see pin 9)."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600680804737830912",+ "pages": null,+ "sha256": "f63834b9a4b2c9e3",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 25,+ "described": 25,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Monolithic Power Systems",+ "Package": "QFN-20(3x4)",+ "Category": "Power Management (PMIC)",+ "Pins": "25"+ }+ },+ "variants": [+ {+ "mpn": "MP4473GL-Z",+ "kind": "packaging"+ }+ ],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "mp4473gl-z"+ ],+ "discovery_pitch": "MP4473GL-Z (Monolithic Power Systems) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +246,5 @@ "docs/mp4473gl-z-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }