LMR51635YDDCR

{
  "slug": "lmr51635yddcr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, TSOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lmr51635yddcr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lmr51635yddcr.kicad_sym",
    "lmr51635yddcr.kicad_mod",
    "lmr51635yddcr.glb",
    "lmr51635yddcr.step",
    "lmr51635yddcr.lbr",
    "docs/hero.png",
    "docs/lmr51635yddcr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lmr51635yddcr-hero.glb",
    "lmr51635yddcr-hero.overlay.json",
    "lmr51635yddcr-etched.glb"
  ],
  "component": {
    "mpn": "LMR51635YDDCR",
    "manufacturer": "Texas Instruments",
    "package": "TSOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com.cn/cn/lit/ds/symlink/lmr51635.pdf",
    "parts": {
      "symbol": "lmr51635yddcr.kicad_sym",
      "footprint": "lmr51635yddcr.kicad_mod",
      "model_3d": "lmr51635yddcr-hero.glb",
      "model_3d_plain": "lmr51635yddcr-etched.glb",
      "model_3d_step": "lmr51635yddcr-etched.step",
      "model_3d_step_plain": "lmr51635yddcr.step",
      "lbr": "lmr51635yddcr.lbr"
    },
    "distributor_links": {
      "lcsc": "C45262770",
      "digikey": "296-LMR51635YDDCRTR-ND",
      "mouser": "595-LMR51635YDDCR"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:41:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LMR51635YDDCRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-LMR51635YDDCR",
        "status": "found",
        "lifecycle": "New Product"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Converter feedback input; connect a resistor divider here to set the output voltage, and do not short this pin to ground during operation."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Precision enable input that must not be left floating: high turns the converter on and low turns it off, it may be tied to VIN, and an external divider can set an adjustable UVLO."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin for the internal bias LDO and high-side FET; connect it to the input supply and to the input bypass capacitor CIN, which must be connected directly to this pin and GND."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground, internally connected to the low-side FET source; connect it to system ground and to the ground side of CIN and COUT, keeping the connection to CIN as short as possible."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Converter switching output, internally connected to the high-side FET source and low-side FET drain; connect it to the power inductor."
      },
      {
        "number": "6",
        "name": "CB",
        "type": "passive",
        "description": "Bootstrap capacitor connection for the high-side FET driver; a 100 nF high-quality capacitor must be connected between this pin and SW."
      }
    ],
    "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 classifies SW and CB as power (P) pins. I mapped SW to 'output' and CB to 'passive' as; Pin numbers and names come from the page 3 pin table (Table 5-1 and Figure 5-1), which lists the pin"
        ],
        "pages_sent": 24,
        "cost_usd": 0.1137,
        "at": "2026-10-18T00:39:37"
      },
      "datasheet": {
        "url": "https://www.ti.com.cn/cn/lit/ds/symlink/lmr51635.pdf",
        "pages": 33,
        "sha256": "12f3a7061e268ca4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lmr51635yddcr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1007b8f67a3e81e2c5182bfd1fd27afe4d8d3710e0bfa1a14b8a91db8b595eb5",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lmr51635yddcr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b95fc23b1192d45f7964b4118baa4836b6a4b79c6e8574f3dc55eb5da2e1bf1",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}