main
Ray pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (fab-chamfer, synthesised, bottom-right) d73e8d8
{
 "schema": "adom.pads/1",
 "slug": "sg3525ang",
 "footprint": "DIP-16_W7.62mm",
 "generated_from": {
  "footprint": "DIP-16_W7.62mm@sha256:d9f5f5a3dbebef05",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   0.0,
   0.0
  ],
  "corner": "bottom-right",
  "source": "fab-chamfer",
  "derived_from": "DIP-16_W7.62mm@sha256:d9f5f5a3dbebef05"
 },
 "pad_count": 16,
 "symbol_pins": [
  "1",
  "10",
  "11",
  "12",
  "13",
  "14",
  "15",
  "16",
  "2",
  "3",
  "4",
  "5",
  "6",
  "7",
  "8",
  "9"
 ],
 "paste_apertures": 0,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "kind": "thru_hole",
   "shape": "roundrect",
   "at": [
    0.0,
    0.0
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "1",
   "name": "Inv. Input",
   "type": "input",
   "description": "Inverting input of the internal error amplifier. Common-mode input range includes the +5.1 V reference so no external divider is required. Input bias current ~1 µA typ.",
   "is_pin1": true,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "2",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    0.0,
    2.54
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "2",
   "name": "Noninv. Input",
   "type": "input",
   "description": "Non-inverting input of the internal error amplifier. Common-mode range +1.5 V to +5.2 V. Used to compare feedback against reference or user setpoint.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "3",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    0.0,
    5.08
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "3",
   "name": "Sync",
   "type": "bidirectional",
   "description": "Oscillator sync pin. Allows multiple SG3525A units to be slaved together or a single unit to be synchronized to an external system clock. Sync threshold 1.2-2.8 V; sync input current ~1 mA at 3.5 V.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "4",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    0.0,
    7.62
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "4",
   "name": "OSC. Output",
   "type": "output",
   "description": "Oscillator clock output. Provides the internal clock signal (~3.5 V amplitude, 0.3-1.0 µs pulse width) for external synchronization or monitoring.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "5",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    0.0,
    10.16
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "5",
   "name": "CT",
   "type": "passive",
   "description": "Oscillator timing capacitor connection. External CT (0.001-0.2 µF) sets oscillator charge time together with RT. Frequency range 100 Hz to 400 kHz.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "6",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    0.0,
    12.7
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "6",
   "name": "RT",
   "type": "passive",
   "description": "Oscillator timing resistor connection. External RT (2.0-150 kΩ) sets the oscillator charging current.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "7",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    0.0,
    15.24
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "7",
   "name": "Discharge",
   "type": "passive",
   "description": "Deadtime programming pin. A resistor RD (0-500 Ω) between CT (pin 5) and Discharge (pin 7) sets the oscillator discharge/deadtime.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "8",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    0.0,
    17.78
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "8",
   "name": "Soft-Start",
   "type": "passive",
   "description": "Soft-start capacitor connection. An external capacitor charged by an internal ~50 µA source implements soft-start of the PWM duty cycle. Can also accept a pull-down (~100 µA) to disable outputs.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "9",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    7.62,
    17.78
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "9",
   "name": "Compensation",
   "type": "output",
   "description": "Error amplifier output / PWM comparator input. Compensation network is tied here to shape the loop response. Also accepts a pull-down (~100 µA) to force outputs off.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "10",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    7.62,
    15.24
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "10",
   "name": "Shutdown",
   "type": "input",
   "description": "Active-high shutdown. Positive signal immediately sets the PWM latch (fast turn-off) and enables a 150 µA sink that discharges the soft-start cap for extended shutdowns. Should not be left floating.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "11",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    7.62,
    12.7
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "11",
   "name": "Output A",
   "type": "output",
   "description": "Totem-pole PWM output A. Sources/sinks up to ±100 mA steady state, ±400 mA peak. Alternates with Output B on successive oscillator cycles; NOR-logic low in off-state.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "12",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    7.62,
    10.16
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "12",
   "name": "Ground",
   "type": "power_in",
   "description": "Signal and power ground return for the device.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "13",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    7.62,
    7.62
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "13",
   "name": "VC",
   "type": "power_in",
   "description": "Collector supply for the totem-pole output drivers (Output A/B). Operating range 4.5-35 Vdc; absolute max +40 Vdc. May be tied to VCC or a separate rail suited to the gate/base drive voltage required.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "14",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    7.62,
    5.08
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "14",
   "name": "Output B",
   "type": "output",
   "description": "Totem-pole PWM output B. Complements Output A (alternates each oscillator cycle). Sources/sinks up to ±100 mA steady state, ±400 mA peak.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "15",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    7.62,
    2.54
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "15",
   "name": "VCC",
   "type": "power_in",
   "description": "Main IC supply. Operating range 8.0-35 Vdc; absolute max +40 Vdc. Under-voltage lockout inhibits outputs and soft-start charging when VCC is below ~7 V.",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "16",
   "kind": "thru_hole",
   "shape": "circle",
   "at": [
    7.62,
    0.0
   ],
   "rot": 0.0,
   "size": [
    1.6,
    1.6
   ],
   "layers": [],
   "thermal": false,
   "pin": "16",
   "name": "Vref",
   "type": "power_out",
   "description": "Internal +5.1 V reference output, trimmed to ±1%. Sources up to 20 mA of load current; short-circuit limited to ~80 mA. Bypass to ground with a small ceramic (typ 0.1 µF).",
   "is_pin1": false,
   "source": {
    "geometry": "DIP-16_W7.62mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}