main
Ray add symbol pin "9" for the exposed thermal pad: the footprint carries the pad and the symbol had none, so it reached no… 1d1d79e 2mo ago
{
 "schema": "adom.pads/1",
 "slug": "al8807qmp-13",
 "footprint": "MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mm",
 "generated_from": {
  "footprint": "MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mm@sha256:69da285f4cb2b46b",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -2.15,
   -0.975
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mm@sha256:69da285f4cb2b46b"
 },
 "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": [
    -2.15,
    -0.975
   ],
   "rot": 0.0,
   "size": [
    1.45,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "SET",
   "type": "input",
   "description": "Set Nominal Output Current pin. An external resistor (RS) from VIN to SET programs the nominal LED current as I_OUTnom = 0.1 / RS (V_TH ≈ 100 mV, ISET typ 16 µA).",
   "is_pin1": true,
   "source": {
    "geometry": "MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "2",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.15,
    -0.325
   ],
   "rot": 0.0,
   "size": [
    1.45,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "GND",
   "type": "power_in",
   "description": "Ground pin. Dominant heat conduction path from the die is through this pin; use a large ground plane with thermal vias.",
   "is_pin1": false,
   "source": {
    "geometry": "MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "3",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.15,
    0.325
   ],
   "rot": 0.0,
   "size": [
    1.45,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "GND",
   "type": "power_in",
   "description": "Ground pin. Tie together with pin 2 to the system ground plane.",
   "is_pin1": false,
   "source": {
    "geometry": "MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "4",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.15,
    0.975
   ],
   "rot": 0.0,
   "size": [
    1.45,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "4",
   "name": "CTRL",
   "type": "input",
   "description": "Dimming and On/Off Control input. Leave floating (internal ~50 kΩ to V_REF = 2.5V) for 100% output. Drive <0.4V to shut off the output MOSFET; 0.5V-2.5V DC scales output current from 20% to 100%; a PWM signal (low ≤0.4V, high ≥2.6V, transitions <1 µs) provides PWM dimming below the SET-programmed level. Absolute max 6V.",
   "is_pin1": false,
   "source": {
    "geometry": "MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "5",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.15,
    0.975
   ],
   "rot": 0.0,
   "size": [
    1.45,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "5",
   "name": "SW",
   "type": "output",
   "description": "Switch pin - drain of the internal power MOSFET. Connect the inductor and freewheeling Schottky diode here; keep track length short to reduce EMI. R_DS(on) typ 0.25 Ω, absolute max V_SW = 40V.",
   "is_pin1": false,
   "source": {
    "geometry": "MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "6",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.15,
    0.325
   ],
   "rot": 0.0,
   "size": [
    1.45,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "6",
   "name": "SW",
   "type": "output",
   "description": "Switch pin - tied internally to pin 5; parallel both to share switch current up to 1.3A (2.5A peak).",
   "is_pin1": false,
   "source": {
    "geometry": "MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "7",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.15,
    -0.325
   ],
   "rot": 0.0,
   "size": [
    1.45,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "7",
   "name": "N/C",
   "type": "unconnected",
   "description": "No internal connection. Leave floating or tie to GND.",
   "is_pin1": false,
   "source": {
    "geometry": "MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "8",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.15,
    -0.975
   ],
   "rot": 0.0,
   "size": [
    1.45,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "8",
   "name": "VIN",
   "type": "power_in",
   "description": "Input supply pin, 6V to 30V (absolute max 40V). Must be locally decoupled to GND with ≥2.2 µF X7R ceramic capacitor placed close to the pin.",
   "is_pin1": false,
   "source": {
    "geometry": "MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mm.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": [
    1.68,
    1.88
   ],
   "layers": [],
   "thermal": true,
   "pin": "9",
   "name": "EP",
   "type": "passive",
   "description": "Exposed pad / thermal tab on the bottom of the MSOP-8EP package. Solder to the GND copper pour and thermal mass to lower θJA (typ 69 °C/W). Not a primary electrical ground conduction path.",
   "is_pin1": false,
   "source": {
    "geometry": "MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}