ISL28025FR12Z

{
  "slug": "isl28025fr12z",
  "version": "0.1.0",
  "type": "component",
  "description": "RENESAS Monitors & Reset Circuits, TQFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "isl28025fr12z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "isl28025fr12z.kicad_sym",
    "isl28025fr12z.kicad_mod",
    "isl28025fr12z.glb",
    "isl28025fr12z.step",
    "isl28025fr12z.lbr",
    "docs/hero.png",
    "docs/isl28025fr12z-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "isl28025fr12z-hero.glb",
    "isl28025fr12z-hero.overlay.json",
    "isl28025fr12z-etched.glb"
  ],
  "component": {
    "mpn": "ISL28025FR12Z",
    "manufacturer": "RENESAS",
    "package": "TQFN-20-EP(4x4)",
    "pin_count": 21,
    "category": "Power Management ICs",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e13309aaf339ae3b434ec543acc5b95a.pdf",
    "parts": {
      "symbol": "isl28025fr12z.kicad_sym",
      "footprint": "isl28025fr12z.kicad_mod",
      "model_3d": "isl28025fr12z-hero.glb",
      "model_3d_plain": "isl28025fr12z-etched.glb",
      "model_3d_step": "isl28025fr12z-etched.step",
      "model_3d_step_plain": "isl28025fr12z.step",
      "lbr": "isl28025fr12z.lbr"
    },
    "distributor_links": {
      "lcsc": "C1529902",
      "digikey": "20-ISL28025FR12Z-ND",
      "mouser": "968-ISL28025FR12Z"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:52:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "20-ISL28025FR12Z-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "968-ISL28025FR12Z",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBUS",
        "type": "power_in",
        "description": "Bus voltage sense input for the monitored supply; the primary channel range is 0V to 60V, or 0V to 16V on the other option."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; in dual supply systems it connects to the negative voltage supply."
      },
      {
        "number": "3",
        "name": "AUXV",
        "type": "input",
        "description": "Auxiliary port single-ended voltage input with a measurable range of 0V to VCC."
      },
      {
        "number": "4",
        "name": "DAC_OUT",
        "type": "output",
        "description": "Margin DAC voltage output, which ranges from 0V to 2.4V and is controlled through internal registers."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; the datasheet lists this pin as Float."
      },
      {
        "number": "6",
        "name": "SMBCLK",
        "type": "input",
        "description": "SMBus/I2C clock input that is always active and requires a pull-up resistor to I2CVCC."
      },
      {
        "number": "7",
        "name": "SMBDAT",
        "type": "bidirectional",
        "description": "SMBus/I2C serial data input/output, an open-drain pin that requires a pull-up resistor to I2CVCC."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; the datasheet lists this pin as Float."
      },
      {
        "number": "9",
        "name": "SMBALERT1",
        "type": "output",
        "description": "SMBus Alert1 open-drain output that requires a pull-up to a supply of up to 24V."
      },
      {
        "number": "10",
        "name": "SMBALERT2",
        "type": "output",
        "description": "CPU interrupt output with a push/pull stage used for fault acknowledgment."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; in dual supply systems it connects to the negative voltage supply."
      },
      {
        "number": "12",
        "name": "A0",
        "type": "input",
        "description": "I2C/SMBus slave address select input that is one of four levels: I2CVCC, GND, SCL or SDA."
      },
      {
        "number": "13",
        "name": "A1",
        "type": "input",
        "description": "I2C/SMBus slave address select input that is one of four levels: I2CVCC, GND, SCL or SDA."
      },
      {
        "number": "14",
        "name": "A2",
        "type": "input",
        "description": "I2C/SMBus slave address select input that is one of four levels: I2CVCC, GND, SCL or SDA."
      },
      {
        "number": "15",
        "name": "I2CVCC",
        "type": "power_in",
        "description": "I2C level shifter supply with an allowable range of 1.2V to 5.5V; connect to VCC if a level shifter is not used."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip positive supply with an allowable range of 3V to 5.5V."
      },
      {
        "number": "17",
        "name": "VREG_OUT",
        "type": "power_out",
        "description": "Internal voltage regulator output that sources a regulated 3.3V; connect a proper decoupling capacitor to this pin."
      },
      {
        "number": "18",
        "name": "VINM",
        "type": "input",
        "description": "Current sense minus input; the maximum measurable differential between VINP and VINM is 80mV."
      },
      {
        "number": "19",
        "name": "VINP",
        "type": "input",
        "description": "Current sense plus input; the maximum measurable differential between VINP and VINM is 80mV."
      },
      {
        "number": "20",
        "name": "VREG_IN",
        "type": "power_in",
        "description": "Voltage regulator input with an operable range of 4.5V to 60V; connect to ground if the regulator is not used."
      },
      {
        "number": "21",
        "name": "EPAD",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 exposed pad is listed on page 5 as 'NEG SUBSTRATE GND or most negative voltage' but has no print; The page 5 table types VBUS as 'Power', but the pin is a voltage sense input per the text, so it was; Both NC pins are typed 'Float' in the datasheet; mapped to KiCad unconnected.",
          "exposed pad 21 added from the footprint",
          "4/21 pins cited to the wrong page (name found elsewhere): ['13:A1@p23', '14:A2@p23', '17:VREG_OUT@p23', '18:VINM@p22']"
        ],
        "pages_sent": 20,
        "cost_usd": 0.137,
        "at": "2026-10-30T22:52:01"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e13309aaf339ae3b434ec543acc5b95a.pdf",
        "pages": 53,
        "sha256": "f9bb6d810fc48c6d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "isl28025fr12z.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "isl28025fr12z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6c44f3b25a17fca8d3d2dfe1e016d5d8f3bb70423109d7cdd95279227995e600",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "L20.4x4J",
      "source_page": 52,
      "D": {
        "nom_mm": 4.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 4.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "isl28025fr12z.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}