main
Ray pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) edb08c4
{
 "schema": "adom.pads/1",
 "slug": "tp4055",
 "footprint": "SOT-23-5",
 "generated_from": {
  "footprint": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -1.1375,
   -0.95
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8"
 },
 "pad_count": 5,
 "symbol_pins": [
  "1",
  "2",
  "3",
  "4",
  "5"
 ],
 "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": "CHRG",
   "type": "output",
   "description": "Open-drain charge status output. Pulled low by an internal switch while charging is in progress; high-impedance otherwise. Outputs a ~0.5-2 s pulse (with 10 uF at BAT) when no battery is connected.",
   "is_pin1": true,
   "source": {
    "geometry": "SOT-23-5.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 terminal / device reference.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-5.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": "BAT",
   "type": "power_out",
   "description": "Battery connection pin. Supplies charge current to the Li-ion cell and regulates the final float voltage to 4.2 V via an internal precision divider (disconnected in shutdown). Bypass with 10 uF; absolute current 500 mA.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-5.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": "VCC",
   "type": "power_in",
   "description": "Positive input supply, 4 V to 9 V (abs max -0.3 V to 9 V). Bypass with at least 10 uF. When VCC drops within 30 mV of VBAT the part enters low-power sleep (IBAT < 1 uA).",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-5.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "5",
   "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": "5",
   "name": "PROG",
   "type": "bidirectional",
   "description": "Charge-current program, monitor, and shutdown pin. A 1% resistor RPROG to GND sets IBAT (e.g. 1.66 kOhm -> 500 mA); pin sits at 1 V in constant-current mode. Leaving RPROG open lets an internal 2.5 uA source pull the pin above the 2.7 V shutdown threshold, stopping charge and reducing supply current to ~40 uA.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-5.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}