HT2810AREZ

{
  "slug": "ht2810arez",
  "version": "0.1.0",
  "type": "component",
  "description": "HTCSEMI Battery Management, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ht2810arez",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht2810arez.kicad_sym",
    "ht2810arez.kicad_mod",
    "ht2810arez.glb",
    "ht2810arez.step",
    "ht2810arez.lbr",
    "docs/hero.png",
    "docs/ht2810arez-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht2810arez-hero.glb",
    "ht2810arez-hero.overlay.json",
    "ht2810arez-etched.glb"
  ],
  "component": {
    "mpn": "HT2810AREZ",
    "manufacturer": "HTCSEMI",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590902729751674880",
    "parts": {
      "symbol": "ht2810arez.kicad_sym",
      "footprint": "ht2810arez.kicad_mod",
      "model_3d": "ht2810arez-hero.glb",
      "model_3d_plain": "ht2810arez-etched.glb",
      "model_3d_step": "ht2810arez-etched.step",
      "model_3d_step_plain": "ht2810arez.step",
      "lbr": "ht2810arez.lbr"
    },
    "distributor_links": {
      "lcsc": "C5241936"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T01:17:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TEMP",
        "type": "input",
        "description": "Battery NTC temperature sense input; charging is suspended if TEMP is below 45% or above 80% of the input voltage, and leaving TEMP floating or grounded disables the temperature function while other charging functions continue."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "passive",
        "description": "Sets the constant-charge current through a 1% resistor to ground and monitors charge current, with the pin fixed at 0.05V in short charge, 0.1V in trickle charge and 1V in constant current, and I_BAT = (V_PROG / R_PROG) × 1000."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground, to be connected to the exposed thermal pad and a large copper plane."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Power input pin, recommended operating range 4 V to 6 V with absolute maximum -0.3 V to 24 V to GND; bypass close to VCC and GND with at least 10 µF effective ceramic capacitance."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery charge output connected to the battery positive terminal, requiring at least 10 µF effective ceramic capacitor to ground; absolute maximum voltage to GND is -0.3 V to 6 V."
      },
      {
        "number": "6",
        "name": "DONE",
        "type": "output",
        "description": "Full-charge indicator open-drain output connected to the LED cathode, pulled low when the battery is fully charged; absolute maximum voltage to GND is -0.3 V to 24 V."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Charge-status indicator open-drain output connected to the LED cathode, pulled low while charging; absolute maximum voltage to GND is -0.3 V to 24 V."
      },
      {
        "number": "8",
        "name": "CE",
        "type": "input",
        "description": "Enable input where high enables charging and low disables it, with CE rising high-level threshold 1.37 V and falling low-level threshold 1.16 V; absolute maximum voltage to GND is -0.3 V to 24 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 exposed thermal pad is not a numbered pin in the datasheet table; it is listed as EP and is incl; The datasheet's package list maps the ESOP8 E suffix to HT2810AREZ and the pin table on page 2 cover; Pin types for PROG and the open-drain indicator outputs (CHRG, DONE) are inferred from their describ",
          "exposed pad 9 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0612,
        "at": "2026-10-21T01:14:24"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590902729751674880",
        "pages": 14,
        "sha256": "54c970023b6d0991",
        "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": "ht2810arez.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": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht2810arez-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": "af0784729fa06d94f0f36353a85a6b149adc0a143f32e3795712acbebd202d26",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}