TPS77301DGKR

{
  "slug": "tps77301dgkr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Linear Voltage Regulators (LDO), VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "tps77301dgkr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps77301dgkr.kicad_sym",
    "tps77301dgkr.kicad_mod",
    "tps77301dgkr.glb",
    "tps77301dgkr.step",
    "tps77301dgkr.lbr",
    "docs/hero.png",
    "docs/tps77301dgkr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps77301dgkr-hero.glb",
    "tps77301dgkr-hero.overlay.json",
    "tps77301dgkr-etched.glb"
  ],
  "component": {
    "mpn": "TPS77301DGKR",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-8",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps773.pdf",
    "parts": {
      "symbol": "tps77301dgkr.kicad_sym",
      "footprint": "tps77301dgkr.kicad_mod",
      "model_3d": "tps77301dgkr-hero.glb",
      "model_3d_plain": "tps77301dgkr-etched.glb",
      "model_3d_step": "tps77301dgkr-etched.step",
      "model_3d_step_plain": "tps77301dgkr.step",
      "lbr": "tps77301dgkr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2863174",
      "digikey": "296-50560-2-ND",
      "mouser": "595-TPS77301DGKR"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T00:47:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-50560-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS77301DGKR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB/SENSE",
        "type": "input",
        "description": "Feedback input for the adjustable device, which must connect to an external feedback resistor divider, and sense input for fixed options, which must connect to the regulator output as short as possible."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "output",
        "description": "Open-drain, active-low reset output that goes high-impedance after a 220-ms delay once OUT reaches 95% of its regulated voltage and requires a pullup resistor."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input where a logic low enables the regulator and a logic high shuts it down."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Regulator ground (signal ground for the output capacitor return)."
      },
      {
        "number": "5",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage supply to the PMOS pass element; the datasheet pages provided do not state an input voltage limit for this pin."
      },
      {
        "number": "6",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage supply to the PMOS pass element; the datasheet pages provided do not state an input voltage limit for this pin."
      },
      {
        "number": "7",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage that requires an output capacitor to GND of at least 1 µF with ESR within Figures 19 and 21, or at least 10 µF for low-ESR capacitors meeting Figures 18 and 20."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage that requires an output capacitor to GND of at least 1 µF with ESR within Figures 19 and 21, or at least 10 µF for low-ESR capacitors meeting Figures 18 and 20."
      }
    ],
    "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 pin table on page 4 covers the TPS773xx DGK package, which includes TPS77301DGKR (adjustable, 1.; The datasheet labels IN as 'I' and OUT as 'O'. I mapped them to KiCad power_in and power_out because; The datasheet shows the DGK package as MSOP, while the TI package addendum lists it as VSSOP (DGK), "
        ],
        "pages_sent": 12,
        "cost_usd": 0.0648,
        "at": "2026-11-06T00:46:39"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps773.pdf",
        "pages": 26,
        "sha256": "e831bc9de40e35b4",
        "source_tier": "mfr"
      },
      "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": "tps77301dgkr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          1.35
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0af17c38f7022ea10ff245f82773c9b00d4163a407490c6b2d91869a0861df56",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps77301dgkr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          1.35
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "66939dbe678db69b9235adf711b52230f961c323dbd9c09f82a2926c71566591",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "DGK",
      "E1": {
        "nom_mm": 3.0,
        "range_mm": null
      },
      "E": {
        "nom_mm": 4.9,
        "range_mm": null
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": null
      },
      "source": "TI package designator DGK (no drawing in the datasheet)",
      "model_check": {
        "file": "tps77301dgkr.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}