Hi9103

{
  "schema_version": 1,
  "type": "component",
  "slug": "hi9103",
  "title": "Hi9103",
  "brief": "Hichips(智芯) DC-DC Converters, 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)",
    "hi9103",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "Hi9103",
    "manufacturer": "Hichips(智芯)",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757759915337768960",
    "parts": {
      "symbol": "hi9103.kicad_sym",
      "footprint": "hi9103.kicad_mod",
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      "lbr": "hi9103.lbr"
    },
    "distributor_links": {
      "lcsc": "C16197339"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T14:37:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "D",
        "type": "passive",
        "description": "Drain of the internal power MOSFET; for the Hi9103 the absolute maximum rating is -0.3 to 150 V."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input: the chip starts when VDD exceeds 6.5 V, the operating range is 6.5 to 24 V, the internal clamp is 24 V, and the absolute maximum is -0.3 to 40 V."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Output voltage sense input; the absolute maximum is -0.3 to 6 V and the reference is 1.16 V typical, with the output set by the R3/R4 divider."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground, which should be kept single-point connected to the VDD capacitor ground and the current-sense resistor ground."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "8",
        "name": "CS",
        "type": "input",
        "description": "Current sense input referenced to GND; the absolute maximum is -0.3 to 40 V and the current-limit sense reference is 200 mV typical."
      },
      {
        "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 Hi9101/2/3 pin figure text is garbled in the extraction, so pin assignments were taken from the ; The datasheet lists pins 1 and EP together as the drain in one table row. EP is included here as a s; The datasheet does not give an explicit ESOP8 pin type for each pin, so KiCad types are inferred fro",
          "exposed pad 9 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0662,
        "at": "2026-11-06T14:37:24"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757759915337768960",
        "pages": 14,
        "sha256": "38e48b4d3258692c",
        "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": [
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        "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": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hi9103-etched.step",
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        "sha256": "8610a799eef9fba43de382be4f98128196d543f4a914bd0c150491c01c696421",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Hichips(智芯)",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "38e48b4d3258692cc9b3f883533cfecba5d85ebcf43fb11399601d0302f44c73",
      "rows": [
        {
          "name": "VDD 供电输入 (VDD supply input voltage)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CS 管脚耐压 (CS pin voltage)",
          "symbol": "CS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "内置功率 MOS 管 Drain 端 (Hi9103 built-in MOS drain)",
          "symbol": "D(Hi9103)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB 输出电压采样 (FB pin voltage)",
          "symbol": "FB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "存储温度 (storage temperature)",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "工作温度 (operating temperature)",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM 人体放电模式 (ESD, human body model)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "HBM 人体放电模式; printed as >2 KV",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "启动电流 (startup current)",
          "symbol": "ISTART",
          "kind": "electrical",
          "unit": "uA",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VDD 电压范围 (VDD voltage range)",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 6.5,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "限流电压 (current limit voltage)",
          "symbol": "VCS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "VIN＝6.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "电流检测基准电压 (current sense reference voltage)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": 190,
          "typ": 200,
          "max": 210,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "输出采样基准电压 (output sense reference voltage)",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 1.125,
          "typ": 1.16,
          "max": 1.195,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "工作电流 (operating current)",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VIN＝6.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "线损补偿 FB 下拉电流 (line-drop compensation FB pull-down current)",
          "symbol": "ICABLE",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "最大占空比 (maximum duty cycle)",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "开关频率 (switching frequency)",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "VIN=24,VOUT=12V，IOUT=1A",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "驱动上拉电流 (gate drive pull-up current)",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "驱动下拉电流 (gate drive pull-down current)",
          "symbol": "II",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 600,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "过温保护 (over-temperature protection)",
          "symbol": "TOVT",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 142,
          "max": null,
          "conditions": "输出关闭",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "Hi9103 (Hichips(智芯)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
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}