main
Ray pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) d0d3c6a 1mo ago
{
 "schema": "adom.pads/1",
 "slug": "oc5021b",
 "footprint": "SOT-23-6",
 "generated_from": {
  "footprint": "SOT-23-6@sha256:f341c73aac9dcb55",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -1.1375,
   -0.95
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "SOT-23-6@sha256:f341c73aac9dcb55"
 },
 "pad_count": 6,
 "symbol_pins": [
  "1",
  "2",
  "3",
  "4",
  "5",
  "6"
 ],
 "paste_apertures": 0,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -1.1375,
    -0.95
   ],
   "rot": 0.0,
   "size": [
    1.325,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "DRV",
   "type": "output",
   "description": "Gate drive output for the external N-channel MOSFET switch. Typical drive voltage ~5.5V (clamped by internal VDD regulator). Rise/fall times ~50ns into 500pF; minimum on-time 250ns.",
   "is_pin1": true,
   "source": {
    "geometry": "SOT-23-6.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "2",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -1.1375,
    0.0
   ],
   "rot": 0.0,
   "size": [
    1.325,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "VSS",
   "type": "power_in",
   "description": "Device ground reference. Also the low side of the CS current sense; the trace from RCS to VSS and CS should be kept short and thick to minimize parasitic resistance.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-6.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "3",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -1.1375,
    0.95
   ],
   "rot": 0.0,
   "size": [
    1.325,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "DIM",
   "type": "input",
   "description": "Dimming input, supports both PWM and linear dimming. DIM tied to GND shuts off the LED output; DIM > 3.1V gives 100% output current; linear dimming range is 1.1V-3.1V (shutdown threshold ~0.9V). Must not be left floating; tie high if unused. For linear dimming, add a small capacitor (>=10nF) to ground.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-6.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "4",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    1.1375,
    0.95
   ],
   "rot": 0.0,
   "size": [
    1.325,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "4",
   "name": "VDD",
   "type": "power_in",
   "description": "Chip supply pin, fed from VIN through an external series resistor RVDD. Internally clamped to ~5.5V by an integrated shunt regulator (max clamp current 10mA). UVLO ~2.6V rising with ~0.4V hysteresis; typical operating current 1.3mA at 200kHz.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-6.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "5",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    1.1375,
    0.0
   ],
   "rot": 0.0,
   "size": [
    1.325,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "5",
   "name": "TOFF",
   "type": "input",
   "description": "Off-time setting pin. External capacitor COFF to ground sets fixed off-time per TOFF = 0.51 * 150k * (COFF + 8pF) + 61ns. With no external cap, internal off-time defaults to 650ns.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-6.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "6",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    1.1375,
    -0.95
   ],
   "rot": 0.0,
   "size": [
    1.325,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "6",
   "name": "CS",
   "type": "input",
   "description": "Inductor peak current sense input, connects to the top of the external current-sense resistor RCS. Peak-current comparator threshold VCS_TH = 245/255/265 mV (min/typ/max). When VCS reaches threshold, DRV turns off the external MOSFET.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-6.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}