LM25088QMHX-1

{
  "slug": "lm25088qmhx-1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm25088qmhx-1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "README.md",
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    "lm25088qmhx-1.kicad_mod",
    "lm25088qmhx-1.glb",
    "lm25088qmhx-1.step",
    "lm25088qmhx-1.lbr",
    "docs/hero.png",
    "docs/lm25088qmhx-1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "lm25088qmhx-1-hero.overlay.json"
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  "component": {
    "mpn": "LM25088QMHX-1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm25088-q1",
    "parts": {
      "symbol": "lm25088qmhx-1.kicad_sym",
      "footprint": "lm25088qmhx-1.kicad_mod",
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      "model_3d_plain": "lm25088qmhx-1.glb",
      "model_3d_step": "lm25088qmhx-1-etched.step",
      "model_3d_step_plain": "lm25088qmhx-1.step",
      "lbr": "lm25088qmhx-1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2864383"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T23:17:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "IC supply voltage with an operating range of 4.5 V to 42 V."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable input: below 0.4 V puts the regulator in a low-power state, 0.4 V to 1.2 V selects standby mode, and above 1.2 V makes the controller operational; if left open, an internal 5-µA pullup enables the controller."
      },
      {
        "number": "3",
        "name": "SS",
        "type": "input",
        "description": "Soft-start pin charged by an internal 11-µA source to set the start-up rate, usable for voltage tracking with an applied voltage below 1.2 V, and held low in standby, VCC UV and thermal shutdown states."
      },
      {
        "number": "4",
        "name": "RAMP",
        "type": "passive",
        "description": "An external capacitor between RAMP and GND sets the emulated current-mode ramp slope, with a recommended range of 100 pF to 2000 pF."
      },
      {
        "number": "5",
        "name": "RT/SYNC",
        "type": "input",
        "description": "A single resistor to GND programs the oscillator over a recommended 50 kHz to 1 MHz range, and an external sync signal higher in frequency can be coupled through a small capacitor, with the RT resistor still required."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for the controller."
      },
      {
        "number": "7",
        "name": "COMP",
        "type": "output",
        "description": "Output of the internal error amplifier; the loop compensation network must be connected between COMP and FB."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the inverting input of the internal error amplifier, with a regulation threshold of 1.205 V."
      },
      {
        "number": "9",
        "name": "OUT",
        "type": "input",
        "description": "Output voltage connection, to be connected directly to the regulated output voltage."
      },
      {
        "number": "10",
        "name": "DITH",
        "type": "passive",
        "description": "LM25088-1 only: a capacitor to GND is charged and discharged by 27-µA sources to modulate the oscillator between -5% and +5% of nominal, and grounding this pin disables dithering."
      },
      {
        "number": "11",
        "name": "CSG",
        "type": "passive",
        "description": "Current sense ground, serving as the low-side reference for the current sense resistor."
      },
      {
        "number": "12",
        "name": "CS",
        "type": "input",
        "description": "Current measurement connection for the re-circulating diode, sensing diode current at the end of the buck switch off time to provide the DC offset for the emulated current ramp."
      },
      {
        "number": "13",
        "name": "SW",
        "type": "passive",
        "description": "Switching node, connected to the source terminal of the external MOSFET switch."
      },
      {
        "number": "14",
        "name": "HG",
        "type": "output",
        "description": "High-side gate drive output, connected to the gate terminal of the external MOSFET switch."
      },
      {
        "number": "15",
        "name": "BOOT",
        "type": "power_in",
        "description": "Bootstrap input: an external capacitor between BOOT and SW provides bias to the MOSFET gate driver, charged from VCC through an internal diode during the buck switch off time; BOOT to SW is limited to 16 V absolute maximum."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_out",
        "description": "Output of the bias regulator that tracks VIN up to 7.8 V typical, requires a 0.1 µF to 10 µF ceramic decoupling capacitor, and can be driven externally at 8.3 V to 13 V to reduce internal power dissipation."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad, electrically isolated, which must be soldered to the ground plane to reduce thermal resistance."
      }
    ],
    "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: Pin 10 is DITH on the LM25088-1 variant (dither version), which matches the MPN LM25088QMHX-1. The L; Pin types for CSG, SW, SS, RAMP, DITH, CS, and EP are judgment calls mapped to KiCad ERC classes. Th; The datasheet pin functions table gives the pinout for the LM25088 family, and the same document cov"
        ],
        "pages_sent": 9,
        "cost_usd": 0.072,
        "at": "2026-10-08T23:16:38"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm25088-q1",
        "pages": 41,
        "sha256": "c5dd8895914f3400",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "checked": "2026-10-08",
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      },
      {
        "file": "lm25088qmhx-1-etched.step",
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        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}