HE4056E

{
  "schema_version": 1,
  "type": "component",
  "slug": "he4056e",
  "title": "HE4056E",
  "brief": "HEERMICR Battery Management, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "he4056e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HE4056E",
    "manufacturer": "HEERMICR",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588916827451756544",
    "parts": {
      "symbol": "he4056e.kicad_sym",
      "footprint": "he4056e.kicad_mod",
      "model_3d": "he4056e-hero.glb",
      "model_3d_plain": "he4056e-etched.glb",
      "model_3d_step": "he4056e-etched.step",
      "model_3d_step_plain": "he4056e.step",
      "lbr": "he4056e.lbr"
    },
    "distributor_links": {
      "lcsc": "C711956"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T23:08:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TEMP",
        "type": "input",
        "description": "Battery temperature sense input for an NTC in the battery pack; charging is suspended if TEMP is below 45% or above 80% of VCC, and TEMP must be tied to GND when the function is unused, never left floating."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "passive",
        "description": "Charge current set and monitor pin; a resistor RPROG from this pin to GND sets the charge current, with PROG regulated to 0.1V in precharge mode and 1V in constant-current mode."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Input supply; when VCC falls to 80mV below the BAT pin voltage the chip enters low-power sleep mode with BAT leakage below 2uA, and at least a 1uF bypass capacitor is required on VCC."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Charge output to the positive battery terminal, supplying charge current and a regulated 4.2V limit; BAT leakage is reduced below 2uA in shutdown or sleep mode."
      },
      {
        "number": "6",
        "name": "/STDBY",
        "type": "output",
        "description": "Open-drain output pulled low by an internal switch to indicate that charging has terminated (battery full); otherwise high impedance."
      },
      {
        "number": "7",
        "name": "/CHRG",
        "type": "output",
        "description": "Open-drain charge status output pulled low by an internal switch during a charge cycle; otherwise high impedance."
      },
      {
        "number": "8",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input: pulling high enables operation and pulling low enters shutdown; it can be driven by TTL or CMOS logic levels."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed thermal pad for heat dissipation, to be connected to ground."
      }
    ],
    "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: Pin 9 is the exposed thermal pad listed in the datasheet pin table as a GND/heat-sink pad, not a num; The datasheet names only the ESOP-8 package and gives no ordering code or package-variant informatio"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0465,
        "at": "2026-10-18T23:06:13"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588916827451756544",
        "pages": 10,
        "sha256": "58ec47a830fef5fc",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.65
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-18",
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        "checked": "2026-10-18",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "HEERMICR",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "58ec47a830fef5fc7603b41b702344522d9352562c72c14af05322b3ecb8bda4",
      "rows": [
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          "name": "Input voltage (VCC)",
          "symbol": "Vcc",
          "kind": "recommended_operating",
          "unit": "V",
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          "max": 6.5,
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          "name": "UVLO threshold (VCC rising)",
          "symbol": "VUV",
          "kind": "electrical",
          "unit": "V",
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          "typ": 3.7,
          "max": 3.9,
          "conditions": "VCC 上升",
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        {
          "name": "UVLO hysteresis",
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          "typ": 200,
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          "conditions": "",
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          "name": "Supply current, charge mode",
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          "conditions": "RPROG =1.3K",
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          "name": "Supply current, standby mode (charge terminated)",
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        {
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          "name": "BAT current, standby mode",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "uA",
          "min": 0,
          "typ": -2.5,
          "max": -6,
          "conditions": "待机模式，VBAT=4.2V",
          "source_page": 4,
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        },
        {
          "name": "BAT leakage current, shutdown mode (first ± column)",
          "symbol": "",
          "kind": "electrical",
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          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "RPROG悬空，VCC<VBAT or VCC < VUV",
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        {
          "name": "BAT leakage current, shutdown mode (second ± column)",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
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          "max": 2,
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        {
          "name": "BAT current, sleep mode",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": -1,
          "typ": null,
          "max": -2,
          "conditions": "VCC=0V",
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          "source": "datasheet"
        },
        {
          "name": "Trickle-charge current",
          "symbol": "ITRIKL",
          "kind": "electrical",
          "unit": "mA",
          "min": 90,
          "typ": 96,
          "max": 101,
          "conditions": "VBAT<Vtrikl, RPROG=1.3k",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Trickle-charge threshold voltage (VBAT rising)",
          "symbol": "VTRIKL",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": 2.9,
          "max": 3,
          "conditions": "RPROG =1.3K，VBAT 上升",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VCC-VBAT stop-working threshold (VCC rising)",
          "symbol": "VASD",
          "kind": "electrical",
          "unit": "mV",
          "min": 100,
          "typ": 140,
          "max": 180,
          "conditions": "VCC 上升",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VCC-VBAT stop-working threshold (VCC falling)",
          "symbol": "VASD",
          "kind": "electrical",
          "unit": "mV",
          "min": 50,
          "typ": 80,
          "max": 110,
          "conditions": "VCC 下降",
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          "source": "datasheet"
        },
        {
          "name": "C/10 termination current (RPROG=2.6K)",
          "symbol": "ITERM",
          "kind": "electrical",
          "unit": "mA",
          "min": 45,
          "typ": 48,
          "max": 50,
          "conditions": "RPROG=2.6K",
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        },
        {
          "name": "C/10 termination current (RPROG=1.3K)",
          "symbol": "ITERM",
          "kind": "electrical",
          "unit": "mA",
          "min": 90,
          "typ": 95,
          "max": 100,
          "conditions": "RPROG=1.3K",
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        },
        {
          "name": "PROG pin voltage",
          "symbol": "VPROG",
          "kind": "electrical",
          "unit": "V",
          "min": 0.93,
          "typ": 1,
          "max": 1.07,
          "conditions": "RPROG =1.3k, CC mode",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "/CHRG minimum output (low) voltage",
          "symbol": "V/CHRG",
          "kind": "electrical",
          "unit": "V",
          "min": 0.35,
          "typ": null,
          "max": 0.6,
          "conditions": "I/CHRG=5mA",
          "source_page": 5,
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        },
        {
          "name": "/STDBY minimum output (low) voltage",
          "symbol": "V/STDBY",
          "kind": "electrical",
          "unit": "V",
          "min": 0.35,
          "typ": null,
          "max": 0.6,
          "conditions": "I/STDBY =5mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Battery recharge hysteresis voltage",
          "symbol": "ΔVRECG",
          "kind": "electrical",
          "unit": "mV",
          "min": 120,
          "typ": 180,
          "max": 240,
          "conditions": "RPROG =2k， VFLOAT - VRECHRG",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "TEMP pin high-temperature voltage",
          "symbol": "VTEMP-H",
          "kind": "electrical",
          "unit": "%VCC",
          "min": 80,
          "typ": null,
          "max": 83,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "TEMP pin low-temperature voltage",
          "symbol": "VTEMP-L",
          "kind": "electrical",
          "unit": "%VCC",
          "min": 42,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Overtemperature protection temperature",
          "symbol": "TLIM",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 145,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Internal MOSFET on-resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΏ",
          "min": null,
          "typ": 650,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soft-start time",
          "symbol": "TSS",
          "kind": "electrical",
          "unit": "uS",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "IBAT=0 to IBAT=1300V/RPROG",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Recharge comparator filter time (VBAT falling)",
          "symbol": "TRECHARGE",
          "kind": "electrical",
          "unit": "mS",
          "min": 0.8,
          "typ": 1.8,
          "max": 4,
          "conditions": "VBAT 下降",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Termination comparator filter time",
          "symbol": "TTEMP",
          "kind": "electrical",
          "unit": "mS",
          "min": 0.8,
          "typ": 1.8,
          "max": 4,
          "conditions": "IBAT低于ICHG/10",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "PROG pin pull-up current",
          "symbol": "IPROG",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VCC pin withstand voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PROG pin withstand voltage",
          "symbol": "VPROG",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "BAT pin withstand voltage",
          "symbol": "VBAT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
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        {
          "name": "TEMP pin withstand voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "/STDBY pin withstand voltage",
          "symbol": "VSTDBY",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CE pin withstand voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "/CHRG pin withstand voltage",
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          "conditions": "",
          "source_page": 4,
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        {
          "name": "BAT pin current",
          "symbol": "IBAT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1200,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "PROG pin current",
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          "kind": "absolute_maximum",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1200,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM rating",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TOP",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -25,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -60,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
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