HY2122 EB1A

{
  "schema_version": 1,
  "type": "component",
  "slug": "hy2122-eb1a",
  "title": "HY2122 EB1A",
  "brief": "HYCON Tech HY2122 EB1A Battery Management, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "hy2122 eb1a"
  ],
  "component": {
    "mpn": "HY2122 EB1A",
    "manufacturer": "HYCON Tech HY2122 EB1A",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/001138fa0dcd7c74d944621b541d8bdd.pdf",
    "parts": {
      "symbol": "hy2122-eb1a.kicad_sym",
      "footprint": "hy2122-eb1a.kicad_mod",
      "model_3d": "hy2122-eb1a-etched.glb",
      "model_3d_plain": "hy2122-eb1a.glb",
      "model_3d_step": "hy2122-eb1a-etched.step",
      "model_3d_step_plain": "hy2122-eb1a.step",
      "lbr": "hy2122-eb1a.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OD",
        "type": "output",
        "description": "Discharge-control MOSFET gate drive output. Drives the gate of the external N-MOSFET (M1) that controls the discharge current path; pulled low (V_DL ≤ 0.5V) to disable discharging when overdischarge or discharge overcurrent is detected, otherwise driven high (VDD-0.1V min)."
      },
      {
        "number": "2",
        "name": "OC",
        "type": "output",
        "description": "Charge-control MOSFET gate drive output. Drives the gate of the external N-MOSFET (M2) that controls the charge current path; pulled low (V_CL ≤ 0.5V) to disable charging when overcharge or charge overcurrent is detected, otherwise driven high (VDD-0.1V min). High-voltage tolerant (absolute max VDD-33 to VDD+0.3 V)."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Overcurrent-sense input and charger-detection terminal. Monitors the voltage across the external discharge/charge MOSFETs to detect discharge overcurrent (V_DIP=200mV), charge overcurrent (V_CIP=-200mV), and load short-circuit (V_SIP=1.0V typ.). High-voltage design tolerates VDD-33 to VDD+0.3 V so it can survive a reversed charger connection; typically connected to PB- through R3 (2kΩ)."
      },
      {
        "number": "4",
        "name": "VC",
        "type": "input",
        "description": "Middle-cell tap: connects to the negative terminal of battery 1 and the positive terminal of battery 2. Used by the internal detectors to monitor each cell voltage individually; typically connected through a 330Ω series resistor (R2) with a 0.1µF decoupling cap (C2) to VSS."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input; connects to the positive terminal of battery 1 (pack +). VDD-VSS operating range 1.5V to 10V (absolute max VSS-0.3 to VSS+10V). Typically fed through a 330Ω series resistor (R1) with a 0.1µF decoupling cap (C1) to VSS."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / negative supply input; connects to the negative terminal of battery 2 (bottom cell −). Serves as the reference for all internal detectors and MOSFET gate drivers."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/001138fa0dcd7c74d944621b541d8bdd.pdf",
        "pages": 20,
        "sha256": "c26f84e2ed2575c5",
        "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": "hy2122-eb1a.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hy2122-eb1a-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d94146b0178188288160b552c9919f8342ce4d594ccd2e6590028578cbcb0e3b",
        "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": [
    "hy2122 eb1a"
  ],
  "discovery_pitch": "HY2122 EB1A (HYCON Tech HY2122 EB1A) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hy2122-eb1a.kicad_sym",
    "hy2122-eb1a.kicad_mod",
    "hy2122-eb1a.glb",
    "hy2122-eb1a.step",
    "hy2122-eb1a.lbr",
    "docs/hero.png",
    "docs/hy2122-eb1a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hy2122-eb1a-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "HY2122 EB1A",
      "kind": "packaging"
    },
    {
      "mpn": "HY2122 EB1AAB1A",
      "kind": "packaging"
    },
    {
      "mpn": "HY2122 EB1AAB1B",
      "kind": "packaging"
    },
    {
      "mpn": "HY2122 EB1ABB1A",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T22:24:25.234Z"
}