component
BL1117-18CX
Public Made by Adomby adom
BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. 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
+170−6
bl1117-18cx.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="BL1117-18CX">
package.json+2−1@@ -24,6 +24,7 @@ "docs/hero.png", "docs/bl1117-18cx-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ] }
pads.jsonadded+152@@ -0,0 +1,152 @@+{+ "schema": "adom.pads/1",+ "slug": "bl1117-18cx",+ "footprint": "SOT-223",+ "generated_from": {+ "footprint": "SOT-223@sha256:49f22605ecc1fc70",+ "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@sha256:49f22605ecc1fc70"+ },+ "pad_count": 4,+ "paste_apertures": 0,+ "issues": [+ {+ "kind": "pad-has-no-pin",+ "pad": "4",+ "thermal": false,+ "detail": "footprint pad \"4\" is in copper but no pin claims it"+ }+ ],+ "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 for the regulator. Also serves as the reference node for the internal bandgap and feedback network. The SOT-223 tab is electrically connected to this pin and should be soldered to a copper pour to improve heat dissipation (θJC ≈ 20°C/W).",+ "is_pin1": true,+ "source": {+ "geometry": "SOT-223.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 (1.764V-1.836V over 0≤Iout≤1A, Vin=3.8V). Requires a 10µF tantalum or MLCC output capacitor for stability; ESR range 3mΩ-22Ω. Maximum continuous load current is 1A subject to thermal limits.",+ "is_pin1": false,+ "source": {+ "geometry": "SOT-223.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, recommended operating range up to 12V (absolute max 15V). Must be at least Vout + Vdropout (≈1.3V at 1A). A 10µF tantalum or MLCC bypass capacitor to GND is recommended at this pin.",+ "is_pin1": false,+ "source": {+ "geometry": "SOT-223.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "4",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 3.15,+ 0.0+ ],+ "rot": 0.0,+ "size": [+ 2.0,+ 3.8+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "4",+ "name": null,+ "type": null,+ "description": null,+ "is_pin1": false,+ "source": {+ "geometry": "SOT-223.kicad_mod",+ "meaning": null,+ "correspondence": "kicad: symbol pin number == pad name"+ }+ }+ ]+}
page.json+14−3@@ -32,19 +32,19 @@ "number": "1", "name": "GND", "type": "power_in",- "description": "Ground / common return for the regulator. Also serves as the reference node for the internal bandgap and feedback network. The SOT-223 tab is electrically connected to this pin and should be soldered to a copper pour to improve heat dissipation (\u03b8JC \u2248 20\u00b0C/W)."+ "description": "Ground / common return for the regulator. Also serves as the reference node for the internal bandgap and feedback network. The SOT-223 tab is electrically connected to this pin and should be soldered to a copper pour to improve heat dissipation (θJC ≈ 20°C/W)." }, { "number": "2", "name": "Vout", "type": "power_out",- "description": "Regulated 1.8V output (1.764V-1.836V over 0\u2264Iout\u22641A, Vin=3.8V). Requires a 10\u00b5F tantalum or MLCC output capacitor for stability; ESR range 3m\u03a9-22\u03a9. Maximum continuous load current is 1A subject to thermal limits."+ "description": "Regulated 1.8V output (1.764V-1.836V over 0≤Iout≤1A, Vin=3.8V). Requires a 10µF tantalum or MLCC output capacitor for stability; ESR range 3mΩ-22Ω. Maximum continuous load current is 1A subject to thermal limits." }, { "number": "3", "name": "Vin", "type": "power_in",- "description": "Unregulated input supply, recommended operating range up to 12V (absolute max 15V). Must be at least Vout + Vdropout (\u22481.3V at 1A). A 10\u00b5F tantalum or MLCC bypass capacitor to GND is recommended at this pin."+ "description": "Unregulated input supply, recommended operating range up to 12V (absolute max 15V). Must be at least Vout + Vdropout (≈1.3V at 1A). A 10µF tantalum or MLCC bypass capacitor to GND is recommended at this pin." } ], "provenance": {@@ -66,6 +66,17 @@ "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@sha256:49f22605ecc1fc70",+ "mark": "drawn" } }, "metadata": {
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/BL1117-18CX", PINS=[{"desc":"","name":"GND","number":"1","type":""},{"desc":"","name":"Vout","number":"2","type":""},{"desc":"","name":"Vin","number":"3","type":""}];