FH9261-DCJ

{
  "schema_version": 1,
  "type": "component",
  "slug": "fh9261-dcj",
  "title": "FH9261-DCJ",
  "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",
    "fh9261-dcj"
  ],
  "component": {
    "mpn": "FH9261-DCJ",
    "manufacturer": "XIN FEI HONG",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/162fa479bd15efe820f4763ba1da76ef.pdf",
    "parts": {
      "symbol": "fh9261-dcj.kicad_sym",
      "footprint": "fh9261-dcj.kicad_mod",
      "model_3d": "fh9261-dcj-etched.glb",
      "model_3d_plain": "fh9261-dcj.glb",
      "model_3d_step": "fh9261-dcj-etched.step",
      "model_3d_step_plain": "fh9261-dcj.step",
      "lbr": "fh9261-dcj.lbr"
    },
    "distributor_links": {
      "lcsc": "C2929060"
    },
    "pins": [
      {
        "number": "1",
        "name": "OD",
        "type": "output",
        "description": "Discharge-control N-MOSFET gate drive output. Pulled to VDD (V_DH = VDD-0.02V typ) to enable the discharge FET during normal operation; pulled low (V_DL = 0.1V typ, 0.5V max) to inhibit discharge on over-discharge, discharge over-current, or load short-circuit. V_OD absolute-max range VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "2",
        "name": "CS",
        "type": "input",
        "description": "Current-sense / charger-detect input. Monitors the voltage between VSS and the pack's negative terminal (PB-) through the two series MOSFETs to detect discharge over-current (V_DIP = 240mV typ), load short-circuit (V_SIP = 0.58V typ, fixed), and charge over-current (V_CIP = -150mV typ). Also senses charger presence via V_CIP threshold. High-withstand pin: absolute-max V_CS = VDD-25V to VDD+0.3V (25V max between VDD and CS)."
      },
      {
        "number": "3",
        "name": "OC",
        "type": "output",
        "description": "Charge-control N-MOSFET gate drive output. Pulled to VDD (V_CH = VDD-0.02V typ) to enable the charge FET; pulled low (V_CL = 0.1V typ, 0.5V max) to inhibit charging on over-charge or charge over-current. High-withstand pin: absolute-max V_OC = VDD-25V to VDD+0.3V (survives reverse-connected charger up to 25V vs VDD)."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to a copper pad; no electrical function."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input. Connect to battery + through a 100Ω (100Ω typ, 200Ω max) series resistor R1 with a 0.1µF decoupling capacitor C1 from VDD to VSS. Operating range V_DSOP1 = 1.5V to 8V; absolute-max VDD-VSS = -0.3V to +10V. Operating current I_DD = 3.0µA typ / 6.0µA max at VDD=3.9V."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / negative supply input. Connect directly to battery - (the pack common node between the cell and the two protection MOSFET sources)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/162fa479bd15efe820f4763ba1da76ef.pdf",
        "pages": 18,
        "sha256": "3215be66c4cfc32f",
        "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": "fh9261-dcj.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": "fh9261-dcj-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": "7b6069e0e51cbc32824558394fcfaeec1084407bc347d5101cb9577eb78d3ad0",
        "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": [
    "fh9261-dcj"
  ],
  "discovery_pitch": "FH9261-DCJ (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",
    "fh9261-dcj.kicad_sym",
    "fh9261-dcj.kicad_mod",
    "fh9261-dcj.glb",
    "fh9261-dcj.step",
    "fh9261-dcj-etched.step",
    "fh9261-dcj.lbr",
    "docs/hero.png",
    "docs/fh9261-dcj-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "FH9261-DCJ",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T20:37:30.505Z"
}