RT9527GQW

{
  "slug": "rt9527gqw",
  "version": "0.1.0",
  "type": "component",
  "description": "Richtek Tech Battery Management, WDFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "rt9527gqw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rt9527gqw.kicad_sym",
    "rt9527gqw.kicad_mod",
    "rt9527gqw.glb",
    "rt9527gqw.step",
    "rt9527gqw.lbr",
    "docs/hero.png",
    "docs/rt9527gqw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt9527gqw-hero.glb",
    "rt9527gqw-hero.overlay.json",
    "rt9527gqw-etched.glb"
  ],
  "component": {
    "mpn": "RT9527GQW",
    "manufacturer": "Richtek Tech",
    "package": "WDFN-8-EP(2x2)",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/32a376e339e02b3993dc2910aa734596.pdf",
    "parts": {
      "symbol": "rt9527gqw.kicad_sym",
      "footprint": "rt9527gqw.kicad_mod",
      "model_3d": "rt9527gqw-hero.glb",
      "model_3d_plain": "rt9527gqw-etched.glb",
      "model_3d_step": "rt9527gqw-etched.step",
      "model_3d_step_plain": "rt9527gqw.step",
      "lbr": "rt9527gqw.lbr"
    },
    "distributor_links": {
      "lcsc": "C3028965",
      "digikey": "RT9527GQWTR-ND",
      "mouser": "835-RT9527GQW"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T18:40:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "RT9527GQWTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "835-RT9527GQW",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input that can withstand up to 28V (recommended operating range 4.4V to 6V)."
      },
      {
        "number": "2",
        "name": "PGOOD",
        "type": "output",
        "description": "Power good status output, active-low open-drain, asserts low when VIN is in the proper working range (abs max -0.3V to 28V)."
      },
      {
        "number": "3",
        "name": "CHG",
        "type": "output",
        "description": "Charger status output, active-low open-drain, low while charging and high impedance when termination current is reached or on timer fault (abs max -0.3V to 28V)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; shared with the exposed pad, which must be soldered to a large PCB ground plane for maximum power dissipation."
      },
      {
        "number": "5",
        "name": "ISET",
        "type": "passive",
        "description": "Charge current setting pin; a resistor RISET to GND sets the fast-charge current (ICHG = KCHG/RISET, 10mA to 600mA)."
      },
      {
        "number": "6",
        "name": "TIMER",
        "type": "passive",
        "description": "Safe-charge timer setting pin; a capacitor to GND sets fast-charge fault time tFCHG = 14400 x CTIMER (s, CTIMER in uF)."
      },
      {
        "number": "7",
        "name": "TS",
        "type": "input",
        "description": "Temperature sense input connected to the battery thermistor; charging pauses when the battery is too hot or too cold until it re-enters the valid range (abs max -0.3V to 28V)."
      },
      {
        "number": "8",
        "name": "BAT",
        "type": "power_out",
        "description": "Charge current output to the battery, regulated to 4.2V (4.158V to 4.242V)."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad, ground; must be soldered to a large PCB ground plane for maximum power dissipation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types for ISET and TIMER (passive) and BAT (power_out) are inferred from function descriptions; ; The exposed pad (pin 9) shares the GND name with pin 4; both are listed as separate entries as shown"
        ],
        "pages_sent": 19,
        "cost_usd": 0.1295,
        "at": "2026-10-26T18:39:31"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/32a376e339e02b3993dc2910aa734596.pdf",
        "pages": 19,
        "sha256": "e4797cc9f6516a05",
        "source_tier": "mfr"
      },
      "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": "rt9527gqw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.02,
          2.0,
          0.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a9b3a769ee6d3d4aafd59169e7ea9780b315bbdd5d1021d6488d9245631194c3",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt9527gqw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.02,
          2.0,
          0.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "74d7cae92fc835329be62746387653795520803215f6c992c30125dd3d1b85fc",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}