RT5797ALGQW

{
  "slug": "rt5797algqw",
  "version": "0.1.0",
  "type": "component",
  "description": "Richtek Tech DC-DC Converters, DFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "rt5797algqw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rt5797algqw.kicad_sym",
    "rt5797algqw.kicad_mod",
    "rt5797algqw.glb",
    "rt5797algqw.step",
    "rt5797algqw.lbr",
    "docs/hero.png",
    "docs/rt5797algqw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt5797algqw-hero.glb",
    "rt5797algqw-hero.overlay.json"
  ],
  "component": {
    "mpn": "RT5797ALGQW",
    "manufacturer": "Richtek Tech",
    "package": "DFN-8-EP(2x2)",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226658789007360",
    "parts": {
      "symbol": "rt5797algqw.kicad_sym",
      "footprint": "rt5797algqw.kicad_mod",
      "model_3d": "rt5797algqw-hero.glb",
      "model_3d_plain": "rt5797algqw.glb",
      "model_3d_step": "rt5797algqw-etched.step",
      "model_3d_step_plain": "rt5797algqw.step",
      "lbr": "rt5797algqw.lbr"
    },
    "distributor_links": {
      "lcsc": "C2962578",
      "digikey": "RT5797ALGQWTR-ND",
      "mouser": "835-RT5797ALGQW"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T14:31:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "RT5797ALGQWTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "835-RT5797ALGQW",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Feedback voltage input; an external resistor divider from the output to GND, tapped to this pin, sets the output voltage, with a 0.6V reference (VREF 0.594V to 0.606V)."
      },
      {
        "number": "2",
        "name": "PG",
        "type": "output",
        "description": "Power good open-drain output that needs an external pull-up resistor; it is pulled up when FB is within 90% of the reference and otherwise LOW."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input; the RT5797A operates from 2.7V to 6V (absolute maximum supply 6.5V)."
      },
      {
        "number": "4",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; the exposed pad (pin 9) must be soldered to a large PCB and connected to PGND for maximum power dissipation."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "6",
        "name": "LX",
        "type": "output",
        "description": "Switch node connecting the internal high-side and low-side power MOSFETs to the external inductor; absolute maximum is 0.3V to (VIN + 0.3V), with <20ns transients to 4.5V to 7.5V."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable control input; a logic-high enables the converter and a logic-low forces shutdown mode (EN below 400mV keeps the part in shutdown)."
      },
      {
        "number": "8",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal ground for the control circuitry."
      },
      {
        "number": "9",
        "name": "PGND",
        "type": "power_in",
        "description": "Exposed pad, power ground; must be soldered to a large PCB and connected to PGND for maximum power dissipation."
      }
    ],
    "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 datasheet covers two packages (WDFN-8L 2x2 and WDFN-8SL 2x2) with a shared pin table. The RT5797; The pin table lists pins 4 and 9 together as PGND, with pin 9 labelled as the exposed pad. Pin 4 and; Pin types for LX (output), PG (output, open-drain) and SGND (power_in, GND class) were assigned from"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0756,
        "at": "2026-10-09T14:29:10"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226658789007360",
        "pages": 17,
        "sha256": "0ebe371e02364fc5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "rt5797algqw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "914cd301aa2efff54a7c18fe40fe21c25b277d6109b6cb10afb266387128ddd0",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt5797algqw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "23815980b2378172bf71bae05cfcf33cdf88d8c987c880147105b91c4a9453c6",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}