OB2535CPA

{
  "slug": "ob2535cpa",
  "version": "0.1.0",
  "type": "component",
  "description": "OB On Bright Elec AC-DC Controllers And Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ob2535cpa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ob2535cpa.kicad_sym",
    "ob2535cpa.kicad_mod",
    "ob2535cpa.glb",
    "ob2535cpa.step",
    "ob2535cpa.lbr",
    "docs/hero.png",
    "docs/ob2535cpa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ob2535cpa-hero.glb",
    "ob2535cpa-hero.overlay.json",
    "ob2535cpa-etched.glb"
  ],
  "component": {
    "mpn": "OB2535CPA",
    "manufacturer": "OB On Bright Elec",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883521222430720",
    "parts": {
      "symbol": "ob2535cpa.kicad_sym",
      "footprint": "ob2535cpa.kicad_mod",
      "model_3d": "ob2535cpa-hero.glb",
      "model_3d_plain": "ob2535cpa-etched.glb",
      "model_3d_step": "ob2535cpa-etched.step",
      "model_3d_step_plain": "ob2535cpa.step",
      "lbr": "ob2535cpa.lbr"
    },
    "distributor_links": {
      "lcsc": "C261407"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T21:18:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin: the output shuts down when VDD falls below UVLO(ON) of 8.2-10.5 V, and VDD is clamped at VDD_clamp of 27-30 V (IDD=10 mA) with VDD OVP at 26-29 V."
      },
      {
        "number": "2",
        "name": "COMP",
        "type": "input",
        "description": "Loop compensation pin for CV stability; its voltage sets the cable-drop compensation current into INV, with a maximum of 37.5 uA at INV=2 V, COMP=0 V."
      },
      {
        "number": "3",
        "name": "INV",
        "type": "input",
        "description": "Voltage feedback input from the auxiliary winding through a resistor divider, compared against a 2.00 V reference (1.97-2.03 V), with PWM duty set by the EA output and the current sense signal at CS."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current sense input for the switch current; the over-current threshold is 880-940 mV (910 mV typical) with 625 ns leading-edge blanking, 110 ns propagation delay and 50 kOhm input impedance, and the external sense resistor Rs sets the CC point."
      },
      {
        "number": "5",
        "name": "DRAIN",
        "type": "output",
        "description": "HV MOSFET drain connected to the primary lead of the transformer, with a drain-source breakdown voltage (BVdss) of 600 V."
      },
      {
        "number": "6",
        "name": "DRAIN",
        "type": "output",
        "description": "HV MOSFET drain connected to the primary lead of the transformer, with a drain-source breakdown voltage (BVdss) of 600 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet gives no additional electrical limits for this pin."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet gives no additional electrical limits for this pin."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The OB2535CPA is the Pb-free T&R (tape and reel) ordering variant of the SOP8 package; the datasheet; The pin-configuration figure on page 2 is garbled in the text extraction. The pinout was taken from ; Pin types follow the datasheet I/O column: COMP, INV and CS are listed as I (mapped to input), and D"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0523,
        "at": "2026-10-18T21:16:12"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883521222430720",
        "pages": 10,
        "sha256": "a63f62526a72215c",
        "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"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ob2535cpa-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c32d501a4f5c9138736e6db92f30500535cf22dd56909c6edae78b7d2c21ac04",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}