← Commit history

add symbol pin "6" for the exposed thermal pad: the footprint carries the pad and the symbol had none, so it reached no net (vendor string 'TO-252-5' states 5 pins and the footprint has exactly one more pad, so it is the tab)

Ray ·e755779a18 ·1mo ago ·parent ad72518
4 files changed +21−15
pads.json+7−14
@@ -23,18 +23,11 @@   "2",   "3",   "4",-  "5"+  "5",+  "6"  ],  "paste_apertures": 4,- "issues": [-  {-   "kind": "pad-has-no-pin",-   "pad": "6",-   "thermal": false,-   "described_in_page": false,-   "detail": "footprint pad \"6\" is in copper but the SYMBOL has no pin for it"-  }- ],+ "issues": [],  "pads": [   {    "pad": "1",@@ -205,13 +198,13 @@    ],    "thermal": false,    "pin": "6",-   "name": null,-   "type": null,-   "description": null,+   "name": "TAB",+   "type": "power_in",+   "description": "Exposed thermal pad. Present in the package land pattern; connect it per the manufacturer datasheet thermal recommendation. Added because the footprint carries this pad and the symbol had no pin for it.",    "is_pin1": false,    "source": {     "geometry": "TO-252-5_TabPin6.kicad_mod",-    "meaning": null,+    "meaning": "page.json:component.pins",     "correspondence": "kicad: symbol pin number == pad name"    }   }
page.json+8−1
@@ -15,7 +15,7 @@     "mpn": "XL6008E1",     "manufacturer": "XLSEMI",     "package": "TO-252-5",-    "pin_count": 5,+    "pin_count": 6,     "category": "PMIC",     "subcategory": "DC-DC Converters",     "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e531e7c4b3964895ad62cfc6ff69b523.pdf",@@ -57,6 +57,13 @@         "name": "FB",         "type": "input",         "description": "Feedback pin. Feedback threshold voltage is 1.25V (typ, 1.213V to 1.287V). Output voltage set by external divider: VOUT = 1.25 * (1 + R2/R1)."+      },+      {+        "number": "6",+        "name": "TAB",+        "type": "power_in",+        "description": "Exposed thermal pad. Present in the package land pattern; connect it per the manufacturer datasheet thermal recommendation. Added because the footprint carries this pad and the symbol had no pin for it.",+        "source": "derived-from-footprint"       }     ],     "provenance": {
xl6008e1.kicad_sym+4
@@ -28,6 +28,10 @@       (name "VIN" (effects (font (size 1.27 1.27))))       (number "4" (effects (font (size 1.27 1.27))))     )+			(pin power_in line (at -17.78 -5.08 0) (length 5.08)+				(name "TAB" (effects (font (size 1.27 1.27))))+				(number "6" (effects (font (size 1.27 1.27))))+			)     )   ) )
xl6008e1.lbr+2
@@ -99,6 +99,7 @@   <pin name="SW" x="-17.78" y="-2.54" length="middle" direction="out"/>   <pin name="FB" x="17.78" y="0" length="middle" direction="in" rot="R180"/>   <pin name="VIN" x="17.78" y="-2.54" length="middle" direction="pwr" rot="R180"/>+  <pin name="TAB" x="-17.78" y="-5.08" length="middle" direction="pwr"/> </symbol> </symbols> <devicesets>@@ -115,6 +116,7 @@         <connect gate="G$1" pin="SW" pad="3"/>         <connect gate="G$1" pin="FB" pad="5"/>         <connect gate="G$1" pin="VIN" pad="4"/>+        <connect gate="G$1" pin="TAB" pad="6"/>       </connects>       <technologies><technology name=""/></technologies>     </device>