NCP1252EDR2G

{
 "schema": "adom.pads/1",
 "slug": "ncp1252edr2g",
 "footprint": "SOIC-8_3.9x4.9mm_P1.27mm",
 "generated_from": {
  "footprint": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -2.475,
   -1.905
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4"
 },
 "pad_count": 8,
 "symbol_pins": [
  "1",
  "2",
  "3",
  "4",
  "5",
  "6",
  "7",
  "8"
 ],
 "paste_apertures": 0,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    -1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "FB",
   "type": "input",
   "description": "Feedback input. Directly connects to an optocoupler collector. Internally pulled up (~3.5 kΩ) to Vdd; the FB voltage is divided by 3 to form the current setpoint (VILIM = 1 V). Max FB current 1.5 mA.",
   "is_pin1": true,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "2",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    -0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "BO",
   "type": "input",
   "description": "Brown-Out input. Monitors an image of the input bulk voltage via a resistor divider to provide brown-out protection. Threshold VBO = 1 V typ; internal 10 µA hysteresis current source.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "3",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "CS",
   "type": "input",
   "description": "Current Sense input. Monitors the primary MOSFET current through a sense resistor and sets the ramp-compensation amplitude. Cycle-by-cycle limit VILIM = 1 V; fault threshold FCS = 1 V; 160 ns leading-edge blanking; internal ramp comp Rramp ≈ 26.5 kΩ.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "4",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "4",
   "name": "RT",
   "type": "passive",
   "description": "Timing element. A resistor to ground fixes the switching frequency (RT = 43 kΩ → fOSC ≈ 100 kHz; RT = 8.5 kΩ → fOSC ≈ 500 kHz). Frequency is jittered ±5% at 3.33 ms period.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "5",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "5",
   "name": "GND",
   "type": "power_in",
   "description": "Controller ground reference pin.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "6",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "6",
   "name": "DRV",
   "type": "output",
   "description": "Gate driver output to the external power MOSFET. +500 mA source / -800 mA sink capability; source resistance 10 Ω typ, sink 6 Ω typ; clamped at 15 V typ (max 18 V) to protect the MOSFET gate.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "7",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    -0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "7",
   "name": "VCC",
   "type": "power_in",
   "description": "Main supply pin. Operating range 8 V to 28 V (30 V transient <10 ms for IVCC<20 mA). For the E version, VCC(on) ≈ 14 V, VCC(off) ≈ 9 V with 5 V hysteresis (auto-recovery UVLO). Max injected current 20 mA.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "8",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    -1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "8",
   "name": "SSTART",
   "type": "passive",
   "description": "Soft-start pin. A capacitor to ground sets the soft-start duration (charge current ISS = 10 µA typ, VSS = 4 V). The pin is held to ground during the internal start-up delay timer (no delay for E version).",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}