XT2052Y2ASR-G

{
  "schema_version": 1,
  "type": "component",
  "slug": "xt2052y2asr-g",
  "title": "XT2052Y2ASR-G",
  "brief": "NATLINEAR Battery Management, SOP-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "xt2052y2asr-g"
  ],
  "component": {
    "mpn": "XT2052Y2ASR-G",
    "manufacturer": "NATLINEAR",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/dce619e1de644d72850e7766d5dcd475.pdf",
    "parts": {
      "symbol": "xt2052y2asr-g.kicad_sym",
      "footprint": "xt2052y2asr-g.kicad_mod",
      "model_3d": "xt2052y2asr-g-etched.glb",
      "model_3d_plain": "xt2052y2asr-g.glb",
      "model_3d_step": "xt2052y2asr-g-etched.step",
      "model_3d_step_plain": "xt2052y2asr-g.step",
      "lbr": "xt2052y2asr-g.lbr"
    },
    "distributor_links": {
      "lcsc": "C156449"
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to GND for improved layout."
      },
      {
        "number": "2",
        "name": "ISET",
        "type": "input",
        "description": "Charge-current program, monitor and shutdown pin. Charge current is set by a 1% resistor to GND: IBAT = (VISET/RISET) × 1000. In constant-current mode VISET ≈ 1.0V. Pulling ISET above 1.21V (via a 3µA internal pull-up when RISET is disconnected) puts the charger into shutdown (Icc drops to ~25µA); clamp voltage ≈ 2.4V. Reconnecting RISET to GND resumes normal operation."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. The EXPOSED PAD on the bottom of the package must also be tied to pin 3 / GND for proper operation and thermal dissipation."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive supply input, 4.25V-6.5V operating (absolute max 7V; OVP trips above 6.8V). Requires at least a 1µF bypass capacitor. When VIN falls to within 30mV of VBAT the charger stops and BAT-pin drain drops below 0.1µA."
      },
      {
        "number": "5",
        "name": "VBAT",
        "type": "power_out",
        "description": "Battery connection to the single-cell Li-ion pack positive terminal. Regulated float voltage 4.2V (±1%). When charging is complete and VIN is present, BAT draws ~2µA; if VIN is removed BAT draws <0.1µA (reverse-blocked). A ≥4.7µF capacitor on this pin is required for stable operation and no-battery detection."
      },
      {
        "number": "6",
        "name": "DONE",
        "type": "output",
        "description": "Open-drain charge-complete status output. Pulled low by an internal NMOS when the charge cycle finishes (VOL ≈ 0.35V at 5mA); high-impedance otherwise. Can directly drive an LED or a microcontroller input."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge-in-progress status output. Pulled low by an internal NMOS while the battery is being charged (VOL ≈ 0.35V at 5mA); high-impedance otherwise. Pulses at ~2Hz (with 4.7µF on BAT) to indicate the no-battery condition."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to GND for improved layout."
      },
      {
        "number": "9",
        "name": "EPAD",
        "type": "power_in",
        "description": "Exposed thermal pad on the underside of the package. Must be soldered to the GND copper plane and tied to pin 3 for proper thermal performance, especially in high-current (up to 1.0A / 1.2A) applications.",
        "source": "renumbered-to-footprint-pad"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/dce619e1de644d72850e7766d5dcd475.pdf",
        "pages": 9,
        "sha256": "13ed9ecb9230a2aa",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "xt2052y2asr-g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xt2052y2asr-g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f09473009085742fa2f8d8e7475d158745f39f6cd2886a17813ecfe1db91e68e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "NATLINEAR",
      "Package": "SOP-8-EP",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "xt2052y2asr-g"
  ],
  "discovery_pitch": "XT2052Y2ASR-G (NATLINEAR) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xt2052y2asr-g.kicad_sym",
    "xt2052y2asr-g.kicad_mod",
    "xt2052y2asr-g.glb",
    "xt2052y2asr-g.step",
    "xt2052y2asr-g-etched.step",
    "xt2052y2asr-g.lbr",
    "docs/hero.png",
    "docs/xt2052y2asr-g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "XT2052Y2ASR-G",
      "kind": "packaging"
    },
    {
      "mpn": "XT2052Y2ASR-GSL",
      "kind": "packaging"
    },
    {
      "mpn": "XT2052Y2ASR-GQR",
      "kind": "packaging"
    },
    {
      "mpn": "XT2052Y2ASR-GQL",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T14:40:56.214Z"
}