TP4054

{
 "schema": "adom.pads/1",
 "slug": "tp4054",
 "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 N-channel MOSFET while charging; high-impedance when charging completes or during undervoltage lockout. Typical V(CHRG) = 0.35V at I(CHRG) = 5mA. Withstands up to V_SS + 10V. Commonly drives an LED to ground through a series resistor.",
   "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": "Device ground (VSS) reference for all internal circuitry and the return for the PROG resistor.",
   "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": "Charging current output to the Li-ion cell. Regulates the battery float voltage to 4.2V (±1%) and sources the programmed charge current (up to 600mA absolute max). Under battery-reverse (V_BAT = -4V) an internal ~0.7mA current flows to GND to protect the ESD diode. Absolute max V_BAT = 7V.",
   "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 supply input, 4.25V-6.5V (absolute max V_SS + 7V). Requires at least a 1µF bypass capacitor to GND. When V(BAT) - V(VCC) drops below ~30mV the part enters shutdown and I(BAT) falls below ~2µA.",
   "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 programming, charge-current monitoring, and shutdown pin. A resistor R_PROG from PROG to GND sets I_BAT: I_BAT = (V_PROG / R_PROG) × 1000, with V_PROG ≈ 1V in constant-current mode (e.g. R_PROG = 2kΩ → ~500mA, 10kΩ → ~100mA). A 2µA pull-up allows the pin to be pulled high (>1.21V) to shut the charger down (I_CC drops to ~25µA). Absolute max V_PROG = V_SS ± 0.3V nominal / max current 800µA.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-5.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}