CM1003-BFS

{
  "schema_version": 1,
  "type": "component",
  "slug": "cm1003-bfs",
  "title": "CM1003-BFS",
  "brief": "iCM(创芯微) , SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "ic",
    "cm1003-bfs",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "CM1003-BFS",
    "manufacturer": "iCM(创芯微)",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349778399186944",
    "parts": {
      "symbol": "cm1003-bfs.kicad_sym",
      "footprint": "cm1003-bfs.kicad_mod",
      "model_3d": "cm1003-bfs-hero.glb",
      "model_3d_plain": "cm1003-bfs-etched.glb",
      "model_3d_step": "cm1003-bfs-etched.step",
      "model_3d_step_plain": "cm1003-bfs.step",
      "lbr": "cm1003-bfs.lbr"
    },
    "distributor_links": {
      "lcsc": "C22446413"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:58:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DO",
        "type": "output",
        "description": "Discharge MOSFET control terminal; DO is driven low to turn off the discharge MOSFET on overdischarge, discharge overcurrent, or load short-circuit, with output limited to VSS-0.3 V to VDD+0.3 V."
      },
      {
        "number": "2",
        "name": "VM",
        "type": "input",
        "description": "Charge/discharge current detection terminal connected to the negative side of the charger or load, with input voltage limited to VDD-28 V to VDD+0.3 V."
      },
      {
        "number": "3",
        "name": "CO",
        "type": "output",
        "description": "Charge MOSFET control terminal; CO is driven low to turn off the charge MOSFET on overcharge or charge overcurrent, with output limited to VM-0.3 V to VDD+0.3 V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input connected to the positive terminal of the supply (battery), with VDD to VSS limited to VSS-0.3 V to VSS+8.0 V."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Power ground connected to the negative terminal of the supply (battery), serving as the reference for all detection thresholds."
      }
    ],
    "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 datasheet only describes VM as a current detection terminal; the ERC class 'input' is a classifi; Output voltage limits are taken from the absolute maximum ratings table (page 6), which applies to t"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0547,
        "at": "2026-10-18T02:56:18"
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      "datasheet": {
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        "pages": 20,
        "sha256": "bf41ed6b59e374f4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cm1003-bfs.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "cm1003-bfs-etched.step",
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "b43afc958bb06c2d714e15ddcd0976763b61a71f65a54511e76d1937d0caf950",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "iCM(创芯微)",
      "Package": "SOT-23-6",
      "Category": "",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "bf41ed6b59e374f4898de7a2e0da6945e92e5830824840dc7c39488b6df9eecb",
      "rows": [
        {
          "name": "Normal operating current",
          "symbol": "IOPE",
          "kind": "electrical",
          "unit": "μA",
          "min": 0.9,
          "typ": 1.5,
          "max": 3,
          "conditions": "Ta=+25°C; VDD=3.5V, VVM=0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge current",
          "symbol": "IOPED",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.5,
          "max": 1,
          "conditions": "Ta=+25°C; VDD=VVM=1.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overcharge detection voltage",
          "symbol": "VOC",
          "kind": "electrical",
          "unit": "V",
          "min": 4.2,
          "typ": 4.225,
          "max": 4.25,
          "conditions": "Ta=+25°C; VDD=3.5 → 4.8V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overcharge release voltage",
          "symbol": "VOCR",
          "kind": "electrical",
          "unit": "V",
          "min": 3.98,
          "typ": 4.025,
          "max": 4.07,
          "conditions": "Ta=+25°C; VDD=4.8 → 3.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge detection voltage",
          "symbol": "VOD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.45,
          "typ": 2.5,
          "max": 2.55,
          "conditions": "Ta=+25°C; VDD=3.5 → 2.0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge release voltage",
          "symbol": "VODR",
          "kind": "electrical",
          "unit": "V",
          "min": 2.81,
          "typ": 2.91,
          "max": 3.01,
          "conditions": "Ta=+25°C; VDD=2.0 → 3.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent detection voltage",
          "symbol": "VEC",
          "kind": "electrical",
          "unit": "V",
          "min": 0.14,
          "typ": 0.15,
          "max": 0.16,
          "conditions": "Ta=+25°C; VM-VSS=0 → 0.30V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit detection voltage",
          "symbol": "VSHORT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.44,
          "typ": 0.5,
          "max": 0.56,
          "conditions": "Ta=+25°C; VM-VSS=0 → 1.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Charge overcurrent detection voltage",
          "symbol": "VCHA",
          "kind": "electrical",
          "unit": "V",
          "min": -0.16,
          "typ": -0.15,
          "max": -0.14,
          "conditions": "Ta=+25°C; VSS-VM=0 → 0.30V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent release voltage (offset from VDD)",
          "symbol": "VRIOV",
          "kind": "electrical",
          "unit": "V",
          "min": -1.4,
          "typ": -1,
          "max": -0.6,
          "conditions": "Ta=+25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overcharge detection delay",
          "symbol": "TOC",
          "kind": "timing",
          "unit": "ms",
          "min": 700,
          "typ": 1000,
          "max": 1300,
          "conditions": "Ta=+25°C; VDD=3.5 → 4.8V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge detection delay",
          "symbol": "TOD",
          "kind": "timing",
          "unit": "ms",
          "min": 22.4,
          "typ": 32,
          "max": 41.6,
          "conditions": "Ta=+25°C; VDD=3.5 → 2.0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent detection delay",
          "symbol": "TEC",
          "kind": "timing",
          "unit": "ms",
          "min": 5.6,
          "typ": 8,
          "max": 10.4,
          "conditions": "Ta=+25°C; VM-VSS=0 →VEC+0.1V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Charge overcurrent detection delay",
          "symbol": "TCHA",
          "kind": "timing",
          "unit": "ms",
          "min": 5.6,
          "typ": 8,
          "max": 10.4,
          "conditions": "Ta=+25°C; VSS-VM=0 → 0.30V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit detection delay",
          "symbol": "TSHORT",
          "kind": "timing",
          "unit": "μs",
          "min": 140,
          "typ": 280,
          "max": 504,
          "conditions": "Ta=+25°C; VM-VSS=0 → 1.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Internal resistance VDD to VM",
          "symbol": "RVMC",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 750,
          "typ": 1500,
          "max": 3000,
          "conditions": "Ta=+25°C; VDD=1.8V, VVM=0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Internal resistance VM to VSS",
          "symbol": "RVMS",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 10,
          "typ": 20,
          "max": 30,
          "conditions": "Ta=+25°C; VDD=3.5V, VVM=1.0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "CO terminal output resistance H",
          "symbol": "RCOH",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 5,
          "typ": 10,
          "max": 20,
          "conditions": "Ta=+25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "CO terminal output resistance L",
          "symbol": "RCOL",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 5,
          "typ": 10,
          "max": 20,
          "conditions": "Ta=+25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "DO terminal output resistance H",
          "symbol": "RDOH",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 5,
          "typ": 10,
          "max": 20,
          "conditions": "Ta=+25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "DO terminal output resistance L",
          "symbol": "RDOL",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 5,
          "typ": 10,
          "max": 20,
          "conditions": "Ta=+25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Battery voltage below which 0V-battery charging is prohibited",
          "symbol": "V0IN",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": 1.2,
          "max": 1.5,
          "conditions": "Ta=+25°C; 禁止向 0V 电池充电功能",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Normal operating current",
          "symbol": "IOPE",
          "kind": "electrical",
          "unit": "μA",
          "min": 0.6,
          "typ": 1.5,
          "max": 5,
          "conditions": "Ta=-20°C~+60°C; VDD=3.5V, VVM=0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge current",
          "symbol": "IOPED",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.5,
          "max": 1.5,
          "conditions": "Ta=-20°C~+60°C; VDD=VVM=1.5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Overcharge detection voltage",
          "symbol": "VOC",
          "kind": "electrical",
          "unit": "V",
          "min": 4.2,
          "typ": 4.225,
          "max": 4.25,
          "conditions": "Ta=-20°C~+60°C; VDD=3.5 → 4.8V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Overcharge release voltage",
          "symbol": "VOCR",
          "kind": "electrical",
          "unit": "V",
          "min": 3.95,
          "typ": 4.025,
          "max": 4.1,
          "conditions": "Ta=-20°C~+60°C; VDD=4.8 → 3.5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge detection voltage",
          "symbol": "VOD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.42,
          "typ": 2.5,
          "max": 2.58,
          "conditions": "Ta=-20°C~+60°C; VDD=3.5 → 2.0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge release voltage",
          "symbol": "VODR",
          "kind": "electrical",
          "unit": "V",
          "min": 2.79,
          "typ": 2.91,
          "max": 3.03,
          "conditions": "Ta=-20°C~+60°C; VDD=2.0 → 3.5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent detection voltage",
          "symbol": "VEC",
          "kind": "electrical",
          "unit": "V",
          "min": 0.135,
          "typ": 0.15,
          "max": 0.165,
          "conditions": "Ta=-20°C~+60°C; VM-VSS=0 → 0.30V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit detection voltage",
          "symbol": "VSHORT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.41,
          "typ": 0.5,
          "max": 0.59,
          "conditions": "Ta=-20°C~+60°C; VM-VSS=0 → 1.5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Charge overcurrent detection voltage",
          "symbol": "VCHA",
          "kind": "electrical",
          "unit": "V",
          "min": -0.165,
          "typ": -0.15,
          "max": -0.135,
          "conditions": "Ta=-20°C~+60°C; VSS-VM=0 → 0.30V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent release voltage (offset from VDD)",
          "symbol": "VRIOV",
          "kind": "electrical",
          "unit": "V",
          "min": -1.6,
          "typ": -1,
          "max": -0.4,
          "conditions": "Ta=-20°C~+60°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Overcharge detection delay",
          "symbol": "TOC",
          "kind": "timing",
          "unit": "ms",
          "min": 500,
          "typ": 1000,
          "max": 2000,
          "conditions": "Ta=-20°C~+60°C; VDD=3.5 → 4.8V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge detection delay",
          "symbol": "TOD",
          "kind": "timing",
          "unit": "ms",
          "min": 16,
          "typ": 32,
          "max": 64,
          "conditions": "Ta=-20°C~+60°C; VDD=3.5 → 2.0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent detection delay",
          "symbol": "TEC",
          "kind": "timing",
          "unit": "ms",
          "min": 4,
          "typ": 8,
          "max": 16,
          "conditions": "Ta=-20°C~+60°C; VM-VSS=0 →VEC+0.1V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Charge overcurrent detection delay",
          "symbol": "TCHA",
          "kind": "timing",
          "unit": "ms",
          "min": 4,
          "typ": 8,
          "max": 16,
          "conditions": "Ta=-20°C~+60°C; VSS-VM=0 → 0.30V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit detection delay",
          "symbol": "TSHORT",
          "kind": "timing",
          "unit": "μs",
          "min": 112,
          "typ": 280,
          "max": 616,
          "conditions": "Ta=-20°C~+60°C; VM-VSS=0 → 1.5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Internal resistance VDD to VM",
          "symbol": "RVMC",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 500,
          "typ": 1500,
          "max": 6000,
          "conditions": "Ta=-20°C~+60°C; VDD=1.8V, VVM=0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Internal resistance VM to VSS",
          "symbol": "RVMS",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 7.5,
          "typ": 20,
          "max": 40,
          "conditions": "Ta=-20°C~+60°C; VDD=3.5V, VVM=1.0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "CO terminal output resistance H",
          "symbol": "RCOH",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 2.5,
          "typ": 10,
          "max": 30,
          "conditions": "Ta=-20°C~+60°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "CO terminal output resistance L",
          "symbol": "RCOL",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 2.5,
          "typ": 10,
          "max": 30,
          "conditions": "Ta=-20°C~+60°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "DO terminal output resistance H",
          "symbol": "RDOH",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 2.5,
          "typ": 10,
          "max": 30,
          "conditions": "Ta=-20°C~+60°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "DO terminal output resistance L",
          "symbol": "RDOL",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 2.5,
          "typ": 10,
          "max": 30,
          "conditions": "Ta=-20°C~+60°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Battery voltage below which 0V-battery charging is prohibited",
          "symbol": "V0IN",
          "kind": "electrical",
          "unit": "V",
          "min": 0.6,
          "typ": 1.2,
          "max": 1.8,
          "conditions": "Ta=-20°C~+60°C; 禁止向 0V 电池充电功能",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input voltage between VDD and VSS (referenced to VSS)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VM input terminal voltage (referenced to VDD)",
          "symbol": "VVM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -28,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "CO output terminal voltage (min referenced to VVM, max to VDD)",
          "symbol": "VCO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DO output terminal voltage (min referenced to VSS, max to VDD)",
          "symbol": "VDO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
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