HE3342EAP8

{
  "slug": "he3342eap8",
  "version": "0.1.0",
  "type": "component",
  "description": "HEERMICR Battery Management, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "he3342eap8",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "he3342eap8.kicad_sym",
    "he3342eap8.kicad_mod",
    "he3342eap8.glb",
    "he3342eap8.step",
    "he3342eap8.lbr",
    "docs/hero.png",
    "docs/he3342eap8-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "he3342eap8-hero.glb",
    "he3342eap8-hero.overlay.json",
    "he3342eap8-etched.glb"
  ],
  "component": {
    "mpn": "HE3342EAP8",
    "manufacturer": "HEERMICR",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905710261981184",
    "parts": {
      "symbol": "he3342eap8.kicad_sym",
      "footprint": "he3342eap8.kicad_mod",
      "model_3d": "he3342eap8-hero.glb",
      "model_3d_plain": "he3342eap8-etched.glb",
      "model_3d_step": "he3342eap8-etched.step",
      "model_3d_step_plain": "he3342eap8.step",
      "lbr": "he3342eap8.lbr"
    },
    "distributor_links": {
      "lcsc": "C5123429"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:52:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal of the charger, which must be connected to the system ground and the exposed pad."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_in",
        "description": "Input supply pin, operating at 4.5 V to 6.5 V; when VCC is less than 30 mV above BAT the device enters low-power shutdown with BAT pin current below 2 µA."
      },
      {
        "number": "3",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge status output that is pulled low by an internal switch while charging and is high-impedance otherwise, with a low-level output of 0.35 V to 0.5 V at 5 mA."
      },
      {
        "number": "4",
        "name": "STDBY",
        "type": "output",
        "description": "Open-drain charge-complete output that is pulled low when charging is finished and is high-impedance otherwise, with a low-level output of 0.35 V to 0.5 V at 5 mA."
      },
      {
        "number": "5",
        "name": "TEMP",
        "type": "input",
        "description": "Battery NTC input where charging pauses if the voltage is below 45% or above 80% of VCC, tying it to VCC disables temperature sensing, and tying it to GND puts the device in standby with charging terminated."
      },
      {
        "number": "6",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery positive connection that delivers the charge current and limits the battery to 4.2 V or 4.35 V, with leakage below 2 µA when disabled or in sleep mode."
      },
      {
        "number": "7",
        "name": "SEN",
        "type": "input",
        "description": "Charge-current setting pin where the charge current is Ibat = 0.1/Rs, with 100 mV across the sense resistor in constant-current mode."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "power_out",
        "description": "Switching output connected to the external inductor, which forms the battery charge-current path, with an absolute maximum rating of -0.3 V to 7.0 V."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The ESOP-8L pin diagram text on page 2 is garbled (pin labels and numbers are scrambled, and CHRG is; The current-sense resistor connection is inconsistent in the datasheet. The charge-current section s; The EP exposed pad is printed on the package but is not a numbered lead. It is listed as EP per the ",
          "exposed pad 9 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0513,
        "at": "2026-10-18T03:48:01"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905710261981184",
        "pages": 10,
        "sha256": "330bdc562199a265",
        "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"
    },
    "models_3d": [
      {
        "file": "he3342eap8.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "he3342eap8-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "aa53f3ed8296b7fd07b46f86e8da56f2c0a98f913c8dfccb426eba4cc2bab7af",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}