DS6521AFD33

{
  "slug": "ds6521afd33",
  "version": "0.1.0",
  "type": "component",
  "description": "DSTECH Battery Management, DFN-10L(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ds6521afd33",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds6521afd33.kicad_sym",
    "ds6521afd33.kicad_mod",
    "ds6521afd33.glb",
    "ds6521afd33.step",
    "ds6521afd33.lbr",
    "docs/hero.png",
    "docs/ds6521afd33-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ds6521afd33-hero.glb",
    "ds6521afd33-hero.overlay.json",
    "ds6521afd33-etched.glb"
  ],
  "component": {
    "mpn": "DS6521AFD33",
    "manufacturer": "DSTECH",
    "package": "DFN-10L(3x3)",
    "pin_count": 11,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590910605140713472",
    "parts": {
      "symbol": "ds6521afd33.kicad_sym",
      "footprint": "ds6521afd33.kicad_mod",
      "model_3d": "ds6521afd33-hero.glb",
      "model_3d_plain": "ds6521afd33-etched.glb",
      "model_3d_step": "ds6521afd33-etched.step",
      "model_3d_step_plain": "ds6521afd33.step",
      "lbr": "ds6521afd33.lbr"
    },
    "distributor_links": {
      "lcsc": "C5884241"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T09:26:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TS",
        "type": "input",
        "description": "Connects to the battery-pack NTC thermistor (10K or 100K at 25°C) against RTS pulled up to VIN; tying TS directly to GND disables temperature sensing."
      },
      {
        "number": "2",
        "name": "ISET",
        "type": "passive",
        "description": "Programs the fast-charge current: an external resistor from ISET to GND sets ICHG (ICHG = VISET/RISET × 1000, with VISET = 1 V; charge current range 50 mA to 1 A)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the charger."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply; the datasheet recommends 4.5 V to 24 V, with input overvoltage protection at 6.0 V (rising)."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal 5 V regulator output; a 0.1 µF to 1 µF capacitor to ground is recommended."
      },
      {
        "number": "6",
        "name": "IMIN",
        "type": "passive",
        "description": "Programs the charge termination current: an external resistor from IMIN to GND sets ITERM (5 mA to 100 mA range, ITERM = KT/RIMIN with KT = 605); when floating, ITERM = 1/10 of ICHG."
      },
      {
        "number": "7",
        "name": "BAT",
        "type": "power_out",
        "description": "Connects to the battery (may also connect the system load); a bypass capacitor of 10 µF to 22 µF is recommended."
      },
      {
        "number": "8",
        "name": "TEM",
        "type": "output",
        "description": "Open-drain termination indicator: low (FET on) when charge current is below the termination current ITEM, open when it is above."
      },
      {
        "number": "9",
        "name": "CHG",
        "type": "output",
        "description": "Open-drain charge status output: low (FET on) while charging, open when not charging, in OVP or UVLO, or when charging is complete."
      },
      {
        "number": "10",
        "name": "EN",
        "type": "input",
        "description": "Chip enable input; the datasheet gives a rising threshold VIH of 1.5 V and a falling threshold VIL of 0.4 V."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "Exposed pad, the chip substrate; leave floating or connect directly to ground."
      }
    ],
    "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: Part number decoding: DS6521AFD33 = X 'A' (4.2V charge voltage), T 'F' (TS mode 0°C & 45°C), YY 'D33; The pin table on page 2 is garbled in text extraction and the DFN3x3 column is not labelled per row.; The exposed pad is labelled only 'Exposed Pad' in the pin table; the number 11 is taken from the DFN"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0682,
        "at": "2026-10-19T09:24:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590910605140713472",
        "pages": 15,
        "sha256": "e4ba68fabe077547",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "ds6521afd33.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds6521afd33-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f242c153b6a3db9933b6de7aa091f7081ba622771b24577f9e62a0e536b465ff",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}