LM3658SD-B

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm3658sd-b",
  "title": "LM3658SD-B",
  "brief": "Texas Instruments Battery Management, WSON-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm3658sd-b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM3658SD-B",
    "manufacturer": "Texas Instruments",
    "package": "WSON-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm3658",
    "parts": {
      "symbol": "lm3658sd-b.kicad_sym",
      "footprint": "lm3658sd-b.kicad_mod",
      "model_3d": "lm3658sd-b-hero.glb",
      "model_3d_plain": "lm3658sd-b.glb",
      "model_3d_step": "lm3658sd-b-etched.step",
      "model_3d_step_plain": "lm3658sd-b.step",
      "lbr": "lm3658sd-b.lbr"
    },
    "distributor_links": {
      "lcsc": "C2864214",
      "digikey": "LM3658SD-BTR-ND",
      "mouser": "926-LM3658SD-B"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T18:45:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM3658SD-BTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM3658SD-B",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CHG_IN",
        "type": "power_in",
        "description": "AC wall adapter input pin; the datasheet operating range is 4.5 V to 6.0 V and the absolute maximum is -0.3 V to +6.5 V."
      },
      {
        "number": "2",
        "name": "USBpwr",
        "type": "power_in",
        "description": "USB power input pin; the datasheet operating range is 4.35 V to 6.0 V and the absolute maximum is -0.3 V to +6.5 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power and signal ground pin, the reference for all voltages; the exposed die-attach pad is also connected to GND and should be soldered to a ground thermal land with vias."
      },
      {
        "number": "4",
        "name": "USB_sel",
        "type": "input",
        "description": "Pulling this pin low limits the USB charge current to 100 mA, and pulling it high limits the USB charge current to 500 mA."
      },
      {
        "number": "5",
        "name": "EN_b",
        "type": "input",
        "description": "Pulling this pin low enables the charger and pulling it high disables the charger, with charging interrupted and timers held."
      },
      {
        "number": "6",
        "name": "STAT2",
        "type": "output",
        "description": "Active-low open-drain charge status output that can drive an LED or GPIO, with IOL specified at up to 10 to 25 mA at 0.25 V."
      },
      {
        "number": "7",
        "name": "STAT1",
        "type": "output",
        "description": "Active-low open-drain charge status output that can drive an LED or GPIO, with IOL specified at up to 10 to 25 mA at 0.25 V."
      },
      {
        "number": "8",
        "name": "ISET",
        "type": "passive",
        "description": "A resistor between this pin and GND sets the full-rate charge current on the AC source, with ICHG = KISET/RISET (KISET = 2500 A·Ω typical)."
      },
      {
        "number": "9",
        "name": "TS",
        "type": "input",
        "description": "Battery temperature sense pin that must connect to the battery pack's temperature output; on the LM3658SD-B, leaving it floating indicates no battery and invokes LDO mode (threshold VTLDO 3.95 V to 4.0 V)."
      },
      {
        "number": "10",
        "name": "BATT",
        "type": "power_out",
        "description": "Positive battery terminal connection, which the datasheet says needs a 1 µF capacitor placed as close as possible to the pin; in LDO mode it sources up to 1 A."
      },
      {
        "number": "11",
        "name": "EP",
        "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 die-attach pad (DAP) is shown in the pin figure and drawing as connected to GND, but the; The TS pin description is taken from the LM3658SD-B-specific behavior (floating TS invokes LDO mode); BATT is classified as power_out because the datasheet describes it as the battery terminal that sour",
          "exposed pad 11 added from the footprint"
        ],
        "pages_sent": 22,
        "cost_usd": 0.0991,
        "at": "2026-10-08T18:44:35"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm3658",
        "pages": 22,
        "sha256": "04d58cfc39370f24",
        "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": [
      {
        "file": "lm3658sd-b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.98,
          1.02
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1b436233b33ebba84da89538e97b0062d5b95e5ae0b484c46c569cb67274a3a5",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm3658sd-b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.98,
          1.02
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1ee56aebf68e3ca444190c59977e0a3d72f3ec122a42f2bcfd6fdb5201dcfa05",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WSON-10-EP(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "11"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm3658sd-b"
  ],
  "discovery_pitch": "LM3658SD-B (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm3658sd-b.kicad_sym",
    "lm3658sd-b.kicad_mod",
    "lm3658sd-b.glb",
    "lm3658sd-b.step",
    "lm3658sd-b.lbr",
    "docs/hero.png",
    "docs/lm3658sd-b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm3658sd-b-hero.glb",
    "lm3658sd-b-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}