component
AMS1117-1.8V
Public Made by Adomby adom
MSKSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)
5 files changed
+249−116
ams1117-1-8v.lbr+1−1@@ -69,7 +69,7 @@ <wire x1="1.8500" y1="3.3500" x2="1.8500" y2="-3.3500" width="0.1000" layer="51"/> <text x="0" y="4.010" size="1.27" layer="25" align="bottom-center">>NAME</text> <text x="0" y="-4.010" size="1.27" layer="27" align="top-center">>VALUE</text>-</package>+<!--adom-pin1--><polygon width="0.0500" layer="21"><vertex x="-3.1300" y="3.3100"/><vertex x="-3.3700" y="3.6400"/><vertex x="-2.8900" y="3.6400"/><vertex x="-3.1300" y="3.3100"/></polygon></package> </packages> <symbols> <symbol name="SOT-223-3_TabPin2">
package.json+2−1@@ -24,6 +24,7 @@ "docs/hero.png", "docs/ams1117-1-8v-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ] }
pads.jsonadded+121@@ -0,0 +1,121 @@+{+ "schema": "adom.pads/1",+ "slug": "ams1117-1-8v",+ "footprint": "SOT-223-3_TabPin2",+ "generated_from": {+ "footprint": "SOT-223-3_TabPin2@sha256:8ae5f03e2c16377a",+ "pins": "page.json:component.pins",+ "overrides": null+ },+ "pin1": {+ "pad": "1",+ "at": [+ -3.15,+ -2.3+ ],+ "corner": "top-left",+ "source": "silk-marker",+ "derived_from": "SOT-223-3_TabPin2@sha256:8ae5f03e2c16377a"+ },+ "pad_count": 3,+ "paste_apertures": 0,+ "issues": [+ {+ "kind": "pin-has-no-pad",+ "pin": "4",+ "detail": "page.json declares pin \"4\" but the footprint has no such pad"+ }+ ],+ "pads": [+ {+ "pad": "1",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -3.15,+ -2.3+ ],+ "rot": 0.0,+ "size": [+ 2.0,+ 1.5+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground / common return pin. On the fixed 1.8V version (AMS1117-1.8V), pin 1 (labeled VSS/ADJ in the pinout table) functions as the device ground reference. Connect to system single-point ground.",+ "is_pin1": true,+ "source": {+ "geometry": "SOT-223-3_TabPin2.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "2",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -3.15,+ 0.0+ ],+ "rot": 0.0,+ "size": [+ 2.0,+ 1.5+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "2",+ "name": "VOUT",+ "type": "power_out",+ "description": "Regulated 1.8V output pin (1.764V min / 1.836V max, ±2%). Sources up to 1A of load current. Requires a 10uF tantalum output capacitor for stability.",+ "is_pin1": false,+ "source": {+ "geometry": "SOT-223-3_TabPin2.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "3",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -3.15,+ 2.3+ ],+ "rot": 0.0,+ "size": [+ 2.0,+ 1.5+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "3",+ "name": "VIN",+ "type": "power_in",+ "description": "Unregulated input supply pin. Operating range up to 15V (typ) / 18V (abs max); must be at least Vout + Vdropout (≥3.1V for the 1.8V fixed variant per electrical characteristics). Recommend 10uF tantalum bypass capacitor to GND.",+ "is_pin1": false,+ "source": {+ "geometry": "SOT-223-3_TabPin2.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ }+ ]+}
page.json+124−113@@ -1,118 +1,129 @@ {- "schema_version": 1,- "type": "component",- "slug": "ams1117-1-8v",- "title": "AMS1117-1.8V",- "brief": "MSKSEMI AMS1117 1 8V Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",- "license": "CC-BY-SA-4.0",- "tags": [- "component",- "pmic",- "ams1117-1.8v"- ],- "component": {- "mpn": "AMS1117-1.8V",- "manufacturer": "MSKSEMI AMS1117 1 8V",- "package": "SOT-223",- "pin_count": 4,- "category": "PMIC",- "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",- "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2308021705_MSKSEMI-AMS1117-1-8V_C7380514.pdf",- "parts": {- "symbol": "ams1117-1-8v.kicad_sym",- "footprint": "ams1117-1-8v.kicad_mod",- "model_3d": "ams1117-1-8v.glb",- "model_3d_step": "ams1117-1-8v.step",- "lbr": "ams1117-1-8v.lbr"+ "schema_version": 1,+ "type": "component",+ "slug": "ams1117-1-8v",+ "title": "AMS1117-1.8V",+ "brief": "MSKSEMI AMS1117 1 8V Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "version": "0.1.0",+ "license": "CC-BY-SA-4.0",+ "tags": [+ "component",+ "pmic",+ "ams1117-1.8v"+ ],+ "component": {+ "mpn": "AMS1117-1.8V",+ "manufacturer": "MSKSEMI AMS1117 1 8V",+ "package": "SOT-223",+ "pin_count": 4,+ "category": "PMIC",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2308021705_MSKSEMI-AMS1117-1-8V_C7380514.pdf",+ "parts": {+ "symbol": "ams1117-1-8v.kicad_sym",+ "footprint": "ams1117-1-8v.kicad_mod",+ "model_3d": "ams1117-1-8v.glb",+ "model_3d_step": "ams1117-1-8v.step",+ "lbr": "ams1117-1-8v.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground / common return pin. On the fixed 1.8V version (AMS1117-1.8V), pin 1 (labeled VSS/ADJ in the pinout table) functions as the device ground reference. Connect to system single-point ground."+ },+ {+ "number": "2",+ "name": "VOUT",+ "type": "power_out",+ "description": "Regulated 1.8V output pin (1.764V min / 1.836V max, ±2%). Sources up to 1A of load current. Requires a 10uF tantalum output capacitor for stability."+ },+ {+ "number": "3",+ "name": "VIN",+ "type": "power_in",+ "description": "Unregulated input supply pin. Operating range up to 15V (typ) / 18V (abs max); must be at least Vout + Vdropout (≥3.1V for the 1.8V fixed variant per electrical characteristics). Recommend 10uF tantalum bypass capacitor to GND."+ },+ {+ "number": "4",+ "name": "VOUT",+ "type": "power_out",+ "description": "SOT-223 tab pin, electrically connected to VOUT (pin 2). Acts as the primary heatsinking pad; solder to a copper pour to reduce thermal resistance (θJC ≈ 20°C/W, dropping toward ~30°C/W total with a 5cm×5cm 2-side pour)."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2308021705_MSKSEMI-AMS1117-1-8V_C7380514.pdf",+ "pages": 14,+ "sha256": "768f1a5d913d6211",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 4,+ "described": 4,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "pin1": {+ "pad": "1",+ "at": [+ -3.15,+ -2.3+ ],+ "corner": "top-left",+ "source": "silk-marker",+ "derived_from": "SOT-223-3_TabPin2@sha256:8ae5f03e2c16377a",+ "mark": "drawn"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Unknown",+ "Package": "SOT-223",+ "Category": "PMIC",+ "Pins": "4"+ } },- "distributor_links": {},- "pins": [- {- "number": "1",- "name": "GND",- "type": "power_in",- "description": "Ground / common return pin. On the fixed 1.8V version (AMS1117-1.8V), pin 1 (labeled VSS/ADJ in the pinout table) functions as the device ground reference. Connect to system single-point ground."- },- {- "number": "2",- "name": "VOUT",- "type": "power_out",- "description": "Regulated 1.8V output pin (1.764V min / 1.836V max, \u00b12%). Sources up to 1A of load current. Requires a 10uF tantalum output capacitor for stability."- },- {- "number": "3",- "name": "VIN",- "type": "power_in",- "description": "Unregulated input supply pin. Operating range up to 15V (typ) / 18V (abs max); must be at least Vout + Vdropout (\u22653.1V for the 1.8V fixed variant per electrical characteristics). Recommend 10uF tantalum bypass capacitor to GND."- },- {- "number": "4",- "name": "VOUT",- "type": "power_out",- "description": "SOT-223 tab pin, electrically connected to VOUT (pin 2). Acts as the primary heatsinking pad; solder to a copper pour to reduce thermal resistance (\u03b8JC \u2248 20\u00b0C/W, dropping toward ~30\u00b0C/W total with a 5cm\u00d75cm 2-side pour)."- }+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info" ],- "provenance": {- "extractor": "ds2sf",- "datasheet": {- "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2308021705_MSKSEMI-AMS1117-1-8V_C7380514.pdf",- "pages": 14,- "sha256": "768f1a5d913d6211",- "source_tier": "lcsc"- },- "cad": "KiCad official (CC-BY-SA 4.0)",- "pins": {- "total": 4,- "described": 4,- "cites_pages": true,- "refuses_to_fabricate": true- }+ "discovery_triggers": [+ "ams1117-1.8v"+ ],+ "discovery_pitch": "AMS1117-1.8V (Unknown) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ },+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png" },- "viewers": {- "symbol": "viewers/symbol.html",- "footprint": "viewers/footprint.html"- }- },- "metadata": {- "specs": {- "Manufacturer": "Unknown",- "Package": "SOT-223",- "Category": "PMIC",- "Pins": "4"- }- },- "sections": [- "hero",- "viewers",- "readme",- "breadcrumbs",- "info"- ],- "discovery_triggers": [- "ams1117-1.8v"- ],- "discovery_pitch": "AMS1117-1.8V (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",- "ams1117-1-8v.kicad_sym",- "ams1117-1-8v.kicad_mod",- "ams1117-1-8v.glb",- "ams1117-1-8v.step",- "ams1117-1-8v.lbr",- "docs/hero.png",- "docs/ams1117-1-8v-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html"- ]+ "files": [+ "page.json",+ "README.md",+ "ams1117-1-8v.kicad_sym",+ "ams1117-1-8v.kicad_mod",+ "ams1117-1-8v.glb",+ "ams1117-1-8v.step",+ "ams1117-1-8v.lbr",+ "docs/hero.png",+ "docs/ams1117-1-8v-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ] }
viewers/footprint.html+1−1@@ -23,7 +23,7 @@ rect.pad.hi{stroke:var(--hi);stroke-width:.15;paint-order:stroke} #tip .td{font-size:11px;color:var(--ink);margin-top:5px;line-height:1.4} </style></head><body> <div class=bar><span class=h>PCB footprint</span><span class=sp></span><button class="lyrtog on" data-lyr="copper"><span class="d" style="background:#e35d5d"></span>Copper</button><button class="lyrtog on" data-lyr="silk"><span class="d" style="background:#e6edf3"></span>Silkscreen</button><button class="lyrtog" data-lyr="fab"><span class="d" style="background:#8b949e"></span>Fab</button><button class="lyrtog" data-lyr="courtyard"><span class="d" style="background:#bc8cff"></span>Courtyard</button></div>-<div class=stage id=stage><svg xmlns='http://www.w3.org/2000/svg' viewBox='-4.800 -4.000 9.600 8.000' style='width:100%;height:100%'><line class='ly-silk' x1='-1.850' y1='-3.410' x2='1.910' y2='-3.410' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='-1.850' y1='3.410' x2='1.910' y2='3.410' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='1.910' y1='-3.410' x2='1.910' y2='-2.150' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='1.910' y1='3.410' x2='1.910' y2='2.150' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-courtyard' x1='-4.400' y1='-3.600' x2='-4.400' y2='3.600' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-4.400' y1='3.600' x2='4.400' y2='3.600' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='4.400' y1='-3.600' x2='-4.400' y2='-3.600' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='4.400' y1='3.600' x2='4.400' y2='-3.600' stroke='#4ade80' stroke-width='0.050'/><line class='ly-fab' x1='-1.850' y1='-2.350' x2='-1.850' y2='3.350' stroke='#f472b6' stroke-width='0.100'/><line class='ly-fab' x1='-1.850' y1='-2.350' x2='-0.850' y2='-3.350' stroke='#f472b6' stroke-width='0.100'/><line class='ly-fab' x1='-1.850' y1='3.350' x2='1.850' y2='3.350' stroke='#f472b6' stroke-width='0.100'/><line class='ly-fab' x1='-0.850' y1='-3.350' x2='1.850' y2='-3.350' stroke='#f472b6' stroke-width='0.100'/><line class='ly-fab' x1='1.850' y1='-3.350' x2='1.850' y2='3.350' stroke='#f472b6' stroke-width='0.100'/><rect class='ly-copper pad' data-num='1' data-name='GND' x='-4.150' y='-3.050' width='2.000' height='1.500' rx='0.375' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-3.150' y='-2.300' font-size='0.900' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>1</text><rect class='ly-copper pad' data-num='2' data-name='VOUT' x='-4.150' y='-0.750' width='2.000' height='1.500' rx='0.375' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-3.150' y='0.000' font-size='0.900' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>2</text><rect class='ly-copper pad' data-num='2' data-name='VOUT' x='2.150' y='-1.900' width='2.000' height='3.800' rx='0.500' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='3.150' y='0.000' font-size='1.100' transform='rotate(-90 3.150 0.000)' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>2</text><rect class='ly-copper pad' data-num='3' data-name='VIN' x='-4.150' y='1.550' width='2.000' height='1.500' rx='0.375' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-3.150' y='2.300' font-size='0.900' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>3</text></svg></div>+<div class=stage id=stage><svg xmlns='http://www.w3.org/2000/svg' viewBox='-4.800 -4.000 9.600 8.000' style='width:100%;height:100%'><line class='ly-silk' x1='-1.850' y1='-3.410' x2='1.910' y2='-3.410' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='-1.850' y1='3.410' x2='1.910' y2='3.410' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='1.910' y1='-3.410' x2='1.910' y2='-2.150' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='1.910' y1='3.410' x2='1.910' y2='2.150' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-courtyard' x1='-4.400' y1='-3.600' x2='-4.400' y2='3.600' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-4.400' y1='3.600' x2='4.400' y2='3.600' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='4.400' y1='-3.600' x2='-4.400' y2='-3.600' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='4.400' y1='3.600' x2='4.400' y2='-3.600' stroke='#4ade80' stroke-width='0.050'/><line class='ly-fab' x1='-1.850' y1='-2.350' x2='-1.850' y2='3.350' stroke='#f472b6' stroke-width='0.100'/><line class='ly-fab' x1='-1.850' y1='-2.350' x2='-0.850' y2='-3.350' stroke='#f472b6' stroke-width='0.100'/><line class='ly-fab' x1='-1.850' y1='3.350' x2='1.850' y2='3.350' stroke='#f472b6' stroke-width='0.100'/><line class='ly-fab' x1='-0.850' y1='-3.350' x2='1.850' y2='-3.350' stroke='#f472b6' stroke-width='0.100'/><line class='ly-fab' x1='1.850' y1='-3.350' x2='1.850' y2='3.350' stroke='#f472b6' stroke-width='0.100'/><rect class='ly-copper pad' data-num='1' data-name='GND' x='-4.150' y='-3.050' width='2.000' height='1.500' rx='0.375' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-3.150' y='-2.300' font-size='0.900' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>1</text><rect class='ly-copper pad' data-num='2' data-name='VOUT' x='-4.150' y='-0.750' width='2.000' height='1.500' rx='0.375' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-3.150' y='0.000' font-size='0.900' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>2</text><rect class='ly-copper pad' data-num='2' data-name='VOUT' x='2.150' y='-1.900' width='2.000' height='3.800' rx='0.500' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='3.150' y='0.000' font-size='1.100' transform='rotate(-90 3.150 0.000)' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>2</text><rect class='ly-copper pad' data-num='3' data-name='VIN' x='-4.150' y='1.550' width='2.000' height='1.500' rx='0.375' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-3.150' y='2.300' font-size='0.900' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>3</text><polygon class='ly-silk adom-pin1' points='-3.130,-3.310 -3.370,-3.640 -2.890,-3.640 -3.130,-3.310' fill='#d8b4fe' stroke='none'><title>pin 1</title></polygon></svg></div> <div id=tip></div> <script> var KIND="footprint", MPN="RAY/AMS1117-1-8V", PINS=[{"desc":"","name":"GND","number":"1","type":""},{"desc":"","name":"VOUT","number":"2","type":""},{"desc":"","name":"VOUT","number":"4","type":""},{"desc":"","name":"VIN","number":"3","type":""}];