TC4059

{
 "schema": "adom.pads/1",
 "slug": "tc4059",
 "footprint": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm",
 "generated_from": {
  "footprint": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -2.475,
   -1.905
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e"
 },
 "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": [
    -2.475,
    -1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "TEMP",
   "type": "input",
   "description": "Battery temperature sense input. Connect to the divider between VCC, an NTC thermistor and GND. Charging is suspended when V(TEMP) < 30% VCC (hot) or > 60% VCC (cold). Tie to GND to disable the NTC feature; other charging functions remain normal.",
   "is_pin1": true,
   "source": {
    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.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": "PROG",
   "type": "passive",
   "description": "External charge-current programming pin. A resistor from PROG to GND sets fast-charge current per I_BAT = V_PROG / R_PROG × 1700 (V_PROG = 1V in CC mode, 0.1V in trickle mode). Also used to monitor instantaneous charge current. 1% precision resistor recommended.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.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": "GND",
   "type": "power_in",
   "description": "Device ground / power return.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.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": "VCC",
   "type": "power_in",
   "description": "Input supply. Normal operating range 4.5-6V (typical 5V); OVP trips at ~7V (6.7-7.3V) and absolute max is 36V (slow ramp), enabling survival of hot-plug transients. UVLO ~3.5V rising with 100mV hysteresis.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.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": "BAT",
   "type": "power_out",
   "description": "Battery connection / charge current output. Regulates to 4.2V float and sources the programmed charge current up to 1A. High-voltage tolerant to 30V; sleep-mode leakage ≤ 30nA. Bypass with 1-10µF to GND close to the pin.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.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": "STDBY",
   "type": "output",
   "description": "Open-drain charge-complete indicator. Internally pulled low (up to 5mA) when charging has terminated (charge current has fallen below I_TERM); high-impedance otherwise. Absolute max 7V.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.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": "CHRG",
   "type": "output",
   "description": "Open-drain charging status indicator. Pulled low (up to 5mA) while a charge cycle is in progress; high-impedance otherwise. Typically drives an LED to indicate charging activity. Absolute max 7V.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.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": "EN",
   "type": "input",
   "description": "Chip enable input, TTL/CMOS compatible. Logic high (V > 1V typ) enables normal operation; logic low (V < 0.9V typ) puts the device into shutdown (~22µA). Absolute max 7V; leakage ±1µA.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.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": [
    2.41,
    3.3
   ],
   "layers": [],
   "thermal": true,
   "pin": "9",
   "name": "EXPOSED PAD",
   "type": "power_in",
   "description": "Exposed thermal pad. Present in the package land pattern; connect it per the manufacturer datasheet thermal recommendation. Added because the footprint carries this pad and the symbol had no pin for it.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}