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pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)

Ray ·e513e5071c ·2mo ago ·parent 6f58586

5 files changed +322−8

package.json+2−1 pads.json+302 page.json+16−5 td1688.lbr+1−1 viewers/footprint.html+1−1

package.json+2−1

@@ -24,6 +24,7 @@     "docs/hero.png",     "docs/td1688-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ] }\ No newline at end of file

pads.jsonadded+302

@@ -0,0 +1,302 @@+{+ "schema": "adom.pads/1",+ "slug": "td1688",+ "footprint": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm",+ "generated_from": {+  "footprint": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",+  "pins": "page.json:component.pins",+  "overrides": null+ },+ "pin1": {+  "pad": "1",+  "at": [+   -2.475,+   -1.905+  ],+  "corner": "top-left",+  "source": "silk-marker",+  "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e"+ },+ "pad_count": 9,+ "symbol_pins": [+  "1",+  "2",+  "3",+  "4",+  "5",+  "6",+  "7",+  "8",+  "9"+ ],+ "paste_apertures": 4,+ "issues": [],+ "pads": [+  {+   "pad": "1",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.475,+    -1.905+   ],+   "rot": 0.0,+   "size": [+    1.95,+    0.6+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "1",+   "name": "SW",+   "type": "output",+   "description": "Power switching output; drain of the internal N-channel power MOSFET (RDS(ON) ≈ 0.7Ω). Connects to the external inductor and Schottky freewheeling diode to supply the output LC filter. Switches between VIN and near-GND at 480 kHz.",+   "is_pin1": true,+   "source": {+    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "2",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.475,+    -0.635+   ],+   "rot": 0.0,+   "size": [+    1.95,+    0.6+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "2",+   "name": "EN",+   "type": "input",+   "description": "On/Off enable input. Pull above VEN_R ≈ 1.35V (falling threshold ≈ 1.17V, hysteresis ≈ 180mV) to turn the device on. For automatic enable, connect to VIN through a 1MΩ resistor. Absolute max 6V.",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "3",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.475,+    0.635+   ],+   "rot": 0.0,+   "size": [+    1.95,+    0.6+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "3",+   "name": "NC",+   "type": "unconnected",+   "description": "Not connected. Leave floating or tie to ground; no internal bond.",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "4",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.475,+    1.905+   ],+   "rot": 0.0,+   "size": [+    1.95,+    0.6+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "4",+   "name": "FB",+   "type": "input",+   "description": "Feedback input to the internal error amplifier. Regulates to a 0.812V bandgap reference (0.792-0.832V). Connect to the tap of an external resistor divider from VOUT to GND. Frequency-foldback engages when FB < 300mV to limit short-circuit current.",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "5",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.475,+    1.905+   ],+   "rot": 0.0,+   "size": [+    1.95,+    0.6+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "5",+   "name": "GND",+   "type": "power_in",+   "description": "Signal/analog ground and voltage reference for the regulated output. Isolate this node from the D1-to-C1 high-current ground path to prevent switching current spikes from being induced into the sensitive analog reference.",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "6",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.475,+    0.635+   ],+   "rot": 0.0,+   "size": [+    1.95,+    0.6+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "6",+   "name": "NC",+   "type": "unconnected",+   "description": "Not connected. Leave floating or tie to ground; no internal bond.",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "7",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.475,+    -0.635+   ],+   "rot": 0.0,+   "size": [+    1.95,+    0.6+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "7",+   "name": "VIN",+   "type": "power_in",+   "description": "Supply voltage input. Operates from 11V to 60V unregulated input (absolute max 60V). Requires a local bypass capacitor (C1, typ. 1µF ceramic X5R/X7R) to prevent large voltage spikes at the input.",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "8",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.475,+    -1.905+   ],+   "rot": 0.0,+   "size": [+    1.95,+    0.6+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "8",+   "name": "BST",+   "type": "passive",+   "description": "Bootstrap capacitor node for the high-side gate driver. Connect a 0.1µF capacitor between SW and BST to form a floating supply that drives the power switch gate above VIN. Absolute max VBST = VSW-0.3 to VSW+6V.",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "9",+   "kind": "smd",+   "shape": "rect",+   "at": [+    0.0,+    0.0+   ],+   "rot": 0.0,+   "size": [+    2.41,+    3.3+   ],+   "layers": [],+   "thermal": true,+   "pin": "9",+   "name": "GND",+   "type": "power_in",+   "description": "Exposed thermal pad. Electrically GND. Connect to the system ground plane with a large copper area for good thermal conductivity and low-impedance return; critical for maintaining junction temperature within limits (θJA ≈ 50°C/W).",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  }+ ]+}\ No newline at end of file

page.json+16−5

@@ -32,13 +32,13 @@         "number": "1",         "name": "SW",         "type": "output",-        "description": "Power switching output; drain of the internal N-channel power MOSFET (RDS(ON) \u2248 0.7\u03a9). Connects to the external inductor and Schottky freewheeling diode to supply the output LC filter. Switches between VIN and near-GND at 480 kHz."+        "description": "Power switching output; drain of the internal N-channel power MOSFET (RDS(ON) ≈ 0.7Ω). Connects to the external inductor and Schottky freewheeling diode to supply the output LC filter. Switches between VIN and near-GND at 480 kHz."       },       {         "number": "2",         "name": "EN",         "type": "input",-        "description": "On/Off enable input. Pull above VEN_R \u2248 1.35V (falling threshold \u2248 1.17V, hysteresis \u2248 180mV) to turn the device on. For automatic enable, connect to VIN through a 1M\u03a9 resistor. Absolute max 6V."+        "description": "On/Off enable input. Pull above VEN_R ≈ 1.35V (falling threshold ≈ 1.17V, hysteresis ≈ 180mV) to turn the device on. For automatic enable, connect to VIN through a 1MΩ resistor. Absolute max 6V."       },       {         "number": "3",@@ -68,19 +68,19 @@         "number": "7",         "name": "VIN",         "type": "power_in",-        "description": "Supply voltage input. Operates from 11V to 60V unregulated input (absolute max 60V). Requires a local bypass capacitor (C1, typ. 1\u00b5F ceramic X5R/X7R) to prevent large voltage spikes at the input."+        "description": "Supply voltage input. Operates from 11V to 60V unregulated input (absolute max 60V). Requires a local bypass capacitor (C1, typ. 1µF ceramic X5R/X7R) to prevent large voltage spikes at the input."       },       {         "number": "8",         "name": "BST",         "type": "passive",-        "description": "Bootstrap capacitor node for the high-side gate driver. Connect a 0.1\u00b5F capacitor between SW and BST to form a floating supply that drives the power switch gate above VIN. Absolute max VBST = VSW-0.3 to VSW+6V."+        "description": "Bootstrap capacitor node for the high-side gate driver. Connect a 0.1µF capacitor between SW and BST to form a floating supply that drives the power switch gate above VIN. Absolute max VBST = VSW-0.3 to VSW+6V."       },       {         "number": "9",         "name": "GND",         "type": "power_in",-        "description": "Exposed thermal pad. Electrically GND. Connect to the system ground plane with a large copper area for good thermal conductivity and low-impedance return; critical for maintaining junction temperature within limits (\u03b8JA \u2248 50\u00b0C/W)."+        "description": "Exposed thermal pad. Electrically GND. Connect to the system ground plane with a large copper area for good thermal conductivity and low-impedance return; critical for maintaining junction temperature within limits (θJA ≈ 50°C/W)."       }     ],     "provenance": {@@ -102,6 +102,17 @@     "viewers": {       "symbol": "viewers/symbol.html",       "footprint": "viewers/footprint.html"+    },+    "pin1": {+      "pad": "1",+      "at": [+        -2.475,+        -1.905+      ],+      "corner": "top-left",+      "source": "silk-marker",+      "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",+      "mark": "drawn"     }   },   "metadata": {

td1688.lbr+1−1

@@ -71,7 +71,7 @@   <wire x1="2.0600" y1="-2.5600" x2="-2.0600" y2="-2.5600" width="0.1200" layer="21"/>   <text x="0" y="3.480" size="1.27" layer="25" align="bottom-center">&gt;NAME</text>   <text x="0" y="-3.480" size="1.27" layer="27" align="top-center">&gt;VALUE</text>-</package>+<!--adom-pin1--><polygon width="0.0500" layer="21"><vertex x="-2.6000" y="2.4700"/><vertex x="-2.8400" y="2.8000"/><vertex x="-2.3600" y="2.8000"/></polygon></package> </packages> <symbols> <symbol name="TD1688">

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='-4.100 -3.100 8.200 6.200' style='width:100%;height:100%'><line class='ly-silk' x1='-2.060' y1='-2.560' x2='2.060' y2='-2.560' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='-2.060' y1='-2.465' x2='-2.060' y2='-2.560' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='-2.060' y1='2.560' x2='-2.060' y2='2.465' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='2.060' y1='-2.560' x2='2.060' y2='-2.465' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='2.060' y1='2.465' x2='2.060' y2='2.560' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='2.060' y1='2.560' x2='-2.060' y2='2.560' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-courtyard' x1='-3.700' y1='-2.460' x2='-2.200' y2='-2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-3.700' y1='2.460' x2='-3.700' y2='-2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-2.200' y1='-2.700' x2='2.200' y2='-2.700' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-2.200' y1='-2.460' x2='-2.200' y2='-2.700' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-2.200' y1='2.460' x2='-3.700' y2='2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-2.200' y1='2.700' x2='-2.200' y2='2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='2.200' y1='-2.700' x2='2.200' y2='-2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='2.200' y1='-2.460' x2='3.700' y2='-2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='2.200' y1='2.460' x2='2.200' y2='2.700' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='2.200' y1='2.700' x2='-2.200' y2='2.700' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='3.700' y1='-2.460' x2='3.700' y2='2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='3.700' y1='2.460' x2='2.200' y2='2.460' stroke='#4ade80' stroke-width='0.050'/><rect class='ly-copper pad' data-num='' data-name='' x='-1.085' y='-1.490' width='0.970' height='1.330' rx='0.242' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-0.600' y='-0.825' font-size='0.582' transform='rotate(-90 -0.600 -0.825)' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'></text><rect class='ly-copper pad' data-num='' data-name='' x='-1.085' y='0.160' width='0.970' height='1.330' rx='0.242' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-0.600' y='0.825' font-size='0.582' transform='rotate(-90 -0.600 0.825)' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'></text><rect class='ly-copper pad' data-num='' data-name='' x='0.115' y='-1.490' width='0.970' height='1.330' rx='0.242' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='0.600' y='-0.825' font-size='0.582' transform='rotate(-90 0.600 -0.825)' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'></text><rect class='ly-copper pad' data-num='' data-name='' x='0.115' y='0.160' width='0.970' height='1.330' rx='0.242' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='0.600' y='0.825' font-size='0.582' transform='rotate(-90 0.600 0.825)' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'></text><rect class='ly-copper pad' data-num='1' data-name='SW' x='-3.450' y='-2.205' width='1.950' height='0.600' rx='0.150' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.475' y='-1.905' font-size='0.360' 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='EN' x='-3.450' y='-0.935' width='1.950' height='0.600' rx='0.150' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.475' y='-0.635' font-size='0.360' 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='NC' x='-3.450' y='0.335' width='1.950' height='0.600' rx='0.150' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.475' y='0.635' font-size='0.360' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>3</text><rect class='ly-copper pad' data-num='4' data-name='FB' x='-3.450' y='1.605' width='1.950' height='0.600' rx='0.150' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.475' y='1.905' font-size='0.360' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>4</text><rect class='ly-copper pad' data-num='5' data-name='GND' x='1.500' y='1.605' width='1.950' height='0.600' rx='0.150' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='2.475' y='1.905' font-size='0.360' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>5</text><rect class='ly-copper pad' data-num='6' data-name='NC' x='1.500' y='0.335' width='1.950' height='0.600' rx='0.150' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='2.475' y='0.635' font-size='0.360' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>6</text><rect class='ly-copper pad' data-num='7' data-name='VIN' 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