TL3845BP

{
  "schema_version": 1,
  "type": "component",
  "slug": "tl3845bp",
  "title": "TL3845BP",
  "brief": "Texas Instruments AC-DC Controllers And Regulators, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "tl3845bp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TL3845BP",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tl3844b",
    "parts": {
      "symbol": "tl3845bp.kicad_sym",
      "footprint": "tl3845bp.kicad_mod",
      "model_3d": "tl3845bp-hero.glb",
      "model_3d_plain": "tl3845bp.glb",
      "model_3d_step": "tl3845bp-etched.step",
      "model_3d_step_plain": "tl3845bp.step",
      "lbr": "tl3845bp.lbr"
    },
    "distributor_links": {
      "lcsc": "C485115",
      "digikey": "2156-TL3845BP-ND",
      "mouser": "595-TL3845BP"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T20:50:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-TL3845BP-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TL3845BP",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "bidirectional",
        "description": "Error amplifier compensation pin; the error amplifier output sink current is limited to 10 mA maximum."
      },
      {
        "number": "2",
        "name": "VFB",
        "type": "input",
        "description": "Error amplifier input; the analog input voltage range is -0.3 V to 6.3 V absolute maximum and 0 V to 5.5 V recommended."
      },
      {
        "number": "3",
        "name": "ISENSE",
        "type": "input",
        "description": "Current sense comparator input; the analog input voltage range is -0.3 V to 6.3 V absolute maximum and 0 V to 5.5 V recommended."
      },
      {
        "number": "4",
        "name": "RT/CT",
        "type": "bidirectional",
        "description": "Oscillator RC input with a recommended input voltage range of 0 V to 5.5 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Device power supply ground terminal."
      },
      {
        "number": "6",
        "name": "OUTPUT",
        "type": "output",
        "description": "PWM output with a recommended output voltage range of 0 V to 30 V and an average output current of up to 200 mA."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Device positive voltage supply; the absolute maximum supply voltage is 30 V for a low-impedance source."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_in",
        "description": "Oscillator voltage reference output; the recommended reference output current is -20 mA."
      }
    ],
    "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 8-pin pin table (PDIP P and SOIC D 8-pin) is shared with the 14-pin D package. The 8-pin mapping; The datasheet labels COMP and RT/CT as I/O (input or output) rather than a single direction. They ar; The datasheet gives no pin-level limit for COMP, RT/CT and VREF on their own. Descriptions use the n"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0581,
        "at": "2026-10-11T20:50:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tl3844b",
        "pages": 32,
        "sha256": "a69cfad5c4f4ed99",
        "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": "tl3845bp.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tl3845bp-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "76a16c01d9180bfe0806b30a480c649fd85bc8e60e5b167ceb24ed094a064a14",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "PDIP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tl3845bp"
  ],
  "discovery_pitch": "TL3845BP (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tl3845bp.kicad_sym",
    "tl3845bp.kicad_mod",
    "tl3845bp.glb",
    "tl3845bp.step",
    "tl3845bp.lbr",
    "docs/hero.png",
    "docs/tl3845bp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl3845bp-hero.glb",
    "tl3845bp-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}