HTP4056

{
  "schema_version": 1,
  "type": "component",
  "slug": "htp4056",
  "title": "HTP4056",
  "brief": "HXY MOSFET Battery Management, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "htp4056"
  ],
  "component": {
    "mpn": "HTP4056",
    "manufacturer": "HXY MOSFET",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2407041121_HXY-MOSFET-HTP4056_C25503847.pdf",
    "parts": {
      "symbol": "htp4056.kicad_sym",
      "footprint": "htp4056.kicad_mod",
      "model_3d": "htp4056-etched.glb",
      "model_3d_plain": "htp4056.glb",
      "model_3d_step": "htp4056-etched.step",
      "model_3d_step_plain": "htp4056.step",
      "lbr": "htp4056.lbr"
    },
    "distributor_links": {
      "lcsc": "C25503847"
    },
    "pins": [
      {
        "number": "1",
        "name": "TEMP",
        "type": "input",
        "description": "Battery temperature sense input. Connects to an NTC thermistor divider from the battery pack; charging is inhibited when the pin voltage falls outside the VTEMP-L (~45%VCC) to VTEMP-H (~80%VCC) window."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "passive",
        "description": "Charge current program pin. An external resistor from PROG to GND sets the constant-current charge level (VPROG ≈ 1.0 V; IBAT = 1000 mA with RPROG = 1.4 kΩ). Can also be used to monitor charge current."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Tie to system ground; also connect the exposed thermal pad to GND for optimal thermal performance."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Charger input supply. Operating range 4.0 V to 6 V (absolute max 8.5 V). Provides current to the internal power PMOSFET that charges the battery on BAT."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery charge output. Connects to the positive terminal of the single-cell Li-ion battery. Regulated float voltage 4.200 V; delivers up to ~1.0 A (ESOP-8) programmable charge current with ≤2 µA leakage when VCC is removed."
      },
      {
        "number": "6",
        "name": "STDBY",
        "type": "output",
        "description": "Open-drain charge-complete (standby) status indicator. Pulls low when the charge cycle terminates and the part enters standby; high-impedance otherwise. VOL ≤ 0.3 V at 5 mA sink; typically drives an LED to GND through a pull-up."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charging status indicator. Pulls low while charging is in progress; high-impedance when charging is complete, in shutdown, or in fault. VOL ≤ 0.3 V at 5 mA sink; typically drives an LED to GND through a pull-up."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to GND."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed thermal pad on the underside of the ESOP-8 package. Must be soldered to the PCB ground plane for both electrical ground and heat sinking (θJA = 50 °C/W).",
        "source": "renumbered-to-footprint-pad"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2407041121_HXY-MOSFET-HTP4056_C25503847.pdf",
        "pages": 13,
        "sha256": "0e9323593bab6954",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "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",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "htp4056.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "htp4056-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "532ba3d2ecfd00ce758a3da5f3ce6d09dab511fcda7203aeb728efc901d5243f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HXY MOSFET",
      "Package": "ESOP-8",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "htp4056"
  ],
  "discovery_pitch": "HTP4056 (HXY MOSFET) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "htp4056.kicad_sym",
    "htp4056.kicad_mod",
    "htp4056.glb",
    "htp4056.step",
    "htp4056-etched.step",
    "htp4056.lbr",
    "docs/hero.png",
    "docs/htp4056-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "updated_at": "2026-09-24T22:13:16.693Z"
}