OB2202CPA

{
  "schema_version": 1,
  "type": "component",
  "slug": "ob2202cpa",
  "title": "OB2202CPA",
  "brief": "OB On Bright Elec AC-DC Controllers and Regulators, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "ob2202cpa"
  ],
  "component": {
    "mpn": "OB2202CPA",
    "manufacturer": "OB On Bright Elec",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "AC-DC Controllers and Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/717c2e6293444bb4c9484a696bd28123.pdf",
    "parts": {
      "symbol": "ob2202cpa.kicad_sym",
      "footprint": "ob2202cpa.kicad_mod",
      "model_3d": "ob2202cpa-etched.glb",
      "model_3d_plain": "ob2202cpa.glb",
      "model_3d_step": "ob2202cpa-etched.step",
      "model_3d_step_plain": "ob2202cpa.step",
      "lbr": "ob2202cpa.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "SS",
        "type": "bidirectional",
        "description": "Multi-functional soft-start pin. Connect a capacitor from SS to GND for soft-start programming. Also supports external latch triggering by pulling SS above 3.8V (pull-up current > 200uA)."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "bidirectional",
        "description": "Feedback input. PWM duty cycle is set from the voltage on this pin combined with the CS current-sense signal. Also selects operating mode: QR, PFM (threshold ~1.4-1.5V), or Burst Mode (threshold ~0.5-0.7V). Input impedance ~4 kOhm; open-pin voltage ~5.3V."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Current sense input for primary MOSFET current. Internal leading-edge blanking ~350 ns; internal current limit threshold V_TH_OC ~0.60V (0.57-0.63V)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground for internal circuitry. Common return for VCC and signal pins."
      },
      {
        "number": "5",
        "name": "GATE",
        "type": "output",
        "description": "Totem-pole gate drive output for external power MOSFET. Peak sink/source capability ~1A; internal clamp ~16.5V; rise/fall times ~50/20 ns at 1nF load."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip DC power supply pin. Recommended operating range 11-28V. UVLO(ON) ~15.8V (startup), UVLO(OFF) ~8.8V; VCC OVP ~33V; Zener clamp ~34V. Typical operating current ~3 mA switching."
      },
      {
        "number": "7",
        "name": "DEM",
        "type": "bidirectional",
        "description": "Demagnetization sense input from transformer auxiliary winding for valley/QR timing. Also used for output over-voltage protection (Load OVP); V_TH_OVP ~3.75V. Clamp voltages -0.5V/+5.8V."
      },
      {
        "number": "8",
        "name": "BO",
        "type": "bidirectional",
        "description": "Brownout and Line OVP detection pin. Connect a resistor divider from line voltage. Brownout threshold Vth_BO ~0.5V with 50 ms debounce disables PWM; Line OVP threshold ~2V. Sources ~1 uA for hysteresis programming."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/717c2e6293444bb4c9484a696bd28123.pdf",
        "pages": 13,
        "sha256": "14cfbe26a6ff27da",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ob2202cpa.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ob2202cpa-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "09b2560789968a5223ee754c60f047e12294a96516b61ab45b9bf2298155d719",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "OB On Bright Elec",
      "Package": "SOP-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ob2202cpa"
  ],
  "discovery_pitch": "OB2202CPA (OB On Bright Elec) 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",
    "ob2202cpa.kicad_sym",
    "ob2202cpa.kicad_mod",
    "ob2202cpa.glb",
    "ob2202cpa.step",
    "ob2202cpa-etched.step",
    "ob2202cpa.lbr",
    "docs/hero.png",
    "docs/ob2202cpa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "OB2202CPA",
      "kind": "packaging"
    },
    {
      "mpn": "OB2202AP",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-25T03:24:04.084Z"
}