FH2120-CB

{
  "schema_version": 1,
  "type": "component",
  "slug": "fh2120-cb",
  "title": "FH2120-CB",
  "brief": "XIN FEI HONG Battery Management, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "fh2120-cb"
  ],
  "component": {
    "mpn": "FH2120-CB",
    "manufacturer": "XIN FEI HONG",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/49a3075a93c77a0e72851d8e51295343.pdf",
    "parts": {
      "symbol": "fh2120-cb.kicad_sym",
      "footprint": "fh2120-cb.kicad_mod",
      "model_3d": "fh2120-cb-etched.glb",
      "model_3d_plain": "fh2120-cb.glb",
      "model_3d_step": "fh2120-cb-etched.step",
      "model_3d_step_plain": "fh2120-cb.step",
      "lbr": "fh2120-cb.lbr"
    },
    "distributor_links": {
      "lcsc": "C2929064"
    },
    "pins": [
      {
        "number": "1",
        "name": "DO",
        "type": "output",
        "description": "Discharge control MOSFET gate connection. CMOS output driven to VDD (VDH = VDD-0.02V typ) in normal state and pulled to VSS (VDL = 0.2V typ) when overdischarge, discharge overcurrent, or load short-circuit is detected."
      },
      {
        "number": "2",
        "name": "CO",
        "type": "output",
        "description": "Charge control MOSFET gate connection. CMOS output driven to VDD (VCH = VDD-0.02V typ) in normal state and pulled low (VCL = 0.2V typ, referenced to VM) when overcharge or charge overcurrent is detected."
      },
      {
        "number": "3",
        "name": "VM",
        "type": "input",
        "description": "Overcurrent sense and charger-detection input. Monitors the pack P- node through R3 (typ 2 kΩ) to detect discharge overcurrent (VEC = 0.20V), load short-circuit (VSHORT = 1.0V), and charge overcurrent (VCHA = -0.21V). Absolute range VDD-28V to VDD+0.3V."
      },
      {
        "number": "4",
        "name": "VC",
        "type": "input",
        "description": "Mid-point sense input: negative terminal of cell 1 and positive terminal of cell 2. Used together with VDD/VSS to measure both series cells independently for overcharge/overdischarge detection."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input; connects to the positive terminal of cell 1 (pack +) through R1 (typ 330 Ω) with a 0.1 μF decoupling cap from VDD to VC. Absolute VDD-VC and VC-VSS range -0.3V to +8.0V."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / negative supply input; connects to the negative terminal of cell 2 (pack B-) through R2 (typ 330 Ω) with a 0.1 μF cap from VC to VSS. Reference for all internal voltages."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/49a3075a93c77a0e72851d8e51295343.pdf",
        "pages": 9,
        "sha256": "90ce8097b75815d8",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-6@sha256:f341c73aac9dcb55",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "fh2120-cb.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fh2120-cb-etched.step",
        "role": "eda",
        "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": "58838368031b3c0d5ac8d7939dc98b0dd0df226e159017b42ca9df54060b35d1",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XIN FEI HONG",
      "Package": "SOT-23-6",
      "Category": "PMIC",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "fh2120-cb"
  ],
  "discovery_pitch": "FH2120-CB (XIN FEI HONG) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fh2120-cb.kicad_sym",
    "fh2120-cb.kicad_mod",
    "fh2120-cb.glb",
    "fh2120-cb.step",
    "fh2120-cb-etched.step",
    "fh2120-cb.lbr",
    "docs/hero.png",
    "docs/fh2120-cb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "FH2120-CB",
      "kind": "packaging"
    },
    {
      "mpn": "FH2120-CBDB",
      "kind": "packaging"
    },
    {
      "mpn": "FH2120-CBNB",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T20:35:39.024Z"
}