HY2120-LB

{
  "schema_version": 1,
  "type": "component",
  "slug": "hy2120-lb",
  "title": "HY2120-LB",
  "brief": "HYCON Tech 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",
    "hy2120-lb"
  ],
  "component": {
    "mpn": "HY2120-LB",
    "manufacturer": "HYCON Tech",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/90ce4cf43db74515b75ff3acebde0584.pdf",
    "parts": {
      "symbol": "hy2120-lb.kicad_sym",
      "footprint": "hy2120-lb.kicad_mod",
      "model_3d": "hy2120-lb-etched.glb",
      "model_3d_plain": "hy2120-lb.glb",
      "model_3d_step": "hy2120-lb-etched.step",
      "model_3d_step_plain": "hy2120-lb.step",
      "lbr": "hy2120-lb.lbr"
    },
    "distributor_links": {
      "lcsc": "C168778"
    },
    "pins": [
      {
        "number": "1",
        "name": "OD",
        "type": "output",
        "description": "MOSFET gate connection pin for discharge control. Drives the discharge-path N-MOSFET (M1). Output 'H' = VDD-0.02V typ, output 'L' = 0.2V typ; V_OD absolute max VSS-0.3 to VDD+0.3 V."
      },
      {
        "number": "2",
        "name": "OC",
        "type": "output",
        "description": "MOSFET gate connection pin for charge control. Drives the charge-path N-MOSFET (M2). Output 'H' = VDD-0.02V typ, output 'L' = 0.2V typ; high-withstanding-voltage pin, V_OC absolute max VDD-33 to VDD+0.3 V."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Input pin for current sense and charger detect. Senses the voltage across the external MOSFET stack for discharge-overcurrent, short-circuit, and charge-overcurrent detection; also detects charger insertion. High-withstanding-voltage pin, V_CS absolute max VDD-33 to VDD+0.3 V. Typically connected to PB- through a 2kΩ resistor."
      },
      {
        "number": "4",
        "name": "VC",
        "type": "input",
        "description": "Center-tap input for the two-cell battery stack. Connects to the node between Cell1 and Cell2 through a 330Ω resistor with a 0.1µF filter cap to VSS; enables per-cell overcharge/overdischarge monitoring."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply pin (connects to the top of the 2-cell stack, PB+). Operating range 1.5V to 10V; absolute max VSS-0.3 to VSS+10V. Typical supply current 5µA (9µA max) at VDD=7.8V; 0.1µA max power-down at VDD=4.0V. Bypass with 0.1µF cap to VSS, feed via 330Ω series resistor."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin. Reference for all internal circuitry; connects to the bottom of the 2-cell stack (Cell2 negative terminal)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/90ce4cf43db74515b75ff3acebde0584.pdf",
        "pages": 22,
        "sha256": "844f87e84a0b25dc",
        "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": "hy2120-lb.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": "hy2120-lb-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": "81db8c788fad6998ebb496d35ff171598084af2ef43543757d9f6fae8bee6a2a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HYCON Tech",
      "Package": "SOT-23-6",
      "Category": "PMIC",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "hy2120-lb"
  ],
  "discovery_pitch": "HY2120-LB (HYCON Tech) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hy2120-lb.kicad_sym",
    "hy2120-lb.kicad_mod",
    "hy2120-lb.glb",
    "hy2120-lb.step",
    "hy2120-lb-etched.step",
    "hy2120-lb.lbr",
    "docs/hero.png",
    "docs/hy2120-lb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "HY2120-LB",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T22:24:17.355Z"
}