UM1663S

{
 "schema": "adom.pads/1",
 "slug": "um1663s",
 "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": "SW",
   "type": "power_out",
   "description": "Switch pin. Connect the boost inductor and Schottky diode to this pin. Internal NMOS power switch rated to 40V max (Vsw), 1A current limit (typical), Rds(on) ~550 mOhm.",
   "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": "GND",
   "type": "power_in",
   "description": "Ground / power ground. Datasheet symbol listed as GND/PGND; single ground return for the device and internal power switch.",
   "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": "FB",
   "type": "input",
   "description": "Feedback voltage pin. Regulated to 200mV internal reference (Vref 190-210mV) via an external sense resistor to set LED current. Duty-cycle on SHDN modulates the effective feedback reference for dimming.",
   "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": "SHDN",
   "type": "input",
   "description": "Active-low chip enable and single-wire PWM/Pulse-mode dimming input. VIH >=1.5V (Vcc=3.7V) / >=1.8V (Vcc=5V); VIL <=0.6V/0.8V. Initial pulse >=2ms selects PWM dimming (500Hz-50kHz); initial pulse <=1.5ms selects 64-step Pulse dimming. Logic low >20ms shuts the device down.",
   "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": "OVP",
   "type": "input",
   "description": "Overvoltage protection sense pin. Connect to the boost output capacitor; the chip clamps output when the pin exceeds the internal threshold. Default OVP threshold is 38V (spec typ 36V).",
   "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": "VIN",
   "type": "power_in",
   "description": "Supply voltage pin. Operating range 2.8V to 5.5V; absolute max -0.3V to +6V. Bypass with a local ceramic capacitor (typ 10uF).",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-6.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}