LM2675MX-5.0

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  "slug": "lm2675mx-5-0",
  "title": "LM2675MX-5.0",
  "brief": "Texas Instruments LM2675MX 5 0 NOPB DC-DC Converters, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "LM2675MX-5.0",
    "manufacturer": "Texas Instruments LM2675MX 5 0 NOPB",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm2675mx-5.0.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "CB",
        "type": "passive",
        "description": "Boot-strap capacitor connection for the high-side driver. Connect a high-quality 470-nF capacitor from CB to the VSW pin to develop the boosted gate-drive supply."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin. Leave floating; do not use as a tie point."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin. Leave floating; do not use as a tie point."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback sense input pin. For the fixed 5-V version, connect this pin directly to the output capacitor (VOUT). Absolute-maximum feedback pin voltage is -0.3 V to 14 V."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "TTL-compatible enable input to the voltage regulator. High = ON and low = OFF; pull high or float to enable the regulator. Input voltage range -0.1 V to 6 V."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground. Connect to system ground. Return for CIN and COUT; the path from CIN and GND must be as short as possible to minimize switching noise."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input pin to the collector of the internal high-side FET. Connect to the input supply (8 V to 40 V recommended) and to the input bypass capacitor CIN; the path from VIN to the high-frequency bypass CIN and GND must be short. Absolute-maximum 45 V."
      },
      {
        "number": "8",
        "name": "VSW",
        "type": "output",
        "description": "Source pin of the internal high-side FET; the switching node. Connect to the output inductor and the cathode of the external catch diode. Switch voltage to ground is rated down to -1 V (absolute maximum)."
      }
    ],
    "provenance": {
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      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lm2675mx-5.0.pdf",
        "pages": 33,
        "sha256": "324342d0eaad04c2",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
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        "refuses_to_fabricate": true
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    },
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    "pin1": {
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      "at": [
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        -1.905
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      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "checked": "2026-10-07",
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
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  "discovery_pitch": "LM2675MX-5.0 (Texas Instruments LM2675MX 5 0 NOPB) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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  "variants": [
    {
      "mpn": "LM2675MX-5.0",
      "kind": "packaging"
    },
    {
      "mpn": "LM2675MX-5.0M",
      "kind": "packaging"
    },
    {
      "mpn": "LM2675MX-5.0N",
      "kind": "packaging"
    },
    {
      "mpn": "LM2675MX-5.0SD",
      "kind": "packaging"
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  ],
  "updated_at": "2026-09-28T16:19:15.154Z"
}