LM25088QMHX-2

{
  "slug": "lm25088qmhx-2",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Controllers, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "lm25088qmhx-2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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    "lm25088qmhx-2.step",
    "lm25088qmhx-2.lbr",
    "docs/hero.png",
    "docs/lm25088qmhx-2-datasheet.pdf",
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    "viewers/footprint.html",
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  "component": {
    "mpn": "LM25088QMHX-2",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Controllers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm25088-q1",
    "parts": {
      "symbol": "lm25088qmhx-2.kicad_sym",
      "footprint": "lm25088qmhx-2.kicad_mod",
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      "model_3d_plain": "lm25088qmhx-2.glb",
      "model_3d_step": "lm25088qmhx-2-etched.step",
      "model_3d_step_plain": "lm25088qmhx-2.step",
      "lbr": "lm25088qmhx-2.lbr"
    },
    "distributor_links": {
      "lcsc": "C2658586"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T04:23:44Z",
      "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": "Below 0.4 V puts the regulator in a low-power state, 0.4 V to 1.2 V selects standby, and above 1.2 V makes the controller operational, with a 5-µA pullup if the pin is left open."
      },
      {
        "number": "3",
        "name": "SS",
        "type": "input",
        "description": "Soft-start pin charged by an internal 11-µA current source to set the start-up rate, and it can be used for voltage tracking with an applied voltage below 1.2 V."
      },
      {
        "number": "4",
        "name": "RAMP",
        "type": "passive",
        "description": "An external capacitor from RAMP to GND sets the emulated current 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 range of 50 kHz to 1 MHz, and an external sync signal higher in frequency can be coupled through a small capacitor while the RT resistor remains 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, with the loop compensation network connected between this pin 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 that must be connected directly to the regulated output voltage."
      },
      {
        "number": "10",
        "name": "RES",
        "type": "passive",
        "description": "Hiccup mode restart timing pin for the LM25088-2 with an external capacitor, where HG is disabled when RES reaches 1.2 V and operation resumes when RES falls below 0.2 V."
      },
      {
        "number": "11",
        "name": "CSG",
        "type": "passive",
        "description": "Low-side reference for the current sense resistor."
      },
      {
        "number": "12",
        "name": "CS",
        "type": "input",
        "description": "Current measurement input for the re-circulating diode current, sensed through an external sense resistor at the end of the buck switch off time."
      },
      {
        "number": "13",
        "name": "SW",
        "type": "passive",
        "description": "Switching node that connects to the source terminal of the external MOSFET switch."
      },
      {
        "number": "14",
        "name": "HG",
        "type": "output",
        "description": "High-side gate drive output that connects to the gate terminal of the external MOSFET switch."
      },
      {
        "number": "15",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap capacitor input, with an external capacitor required between BOOT and SW to bias the MOSFET gate driver."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_out",
        "description": "Output of the bias regulator that tracks VIN up to 7.8 V typical and requires a 0.1 µF to 10 µF ceramic decoupling capacitor, with an external 8.3 V to 13 V supply optionally applied to reduce internal dissipation."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad that is electrically isolated and 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 printed as DITH for the LM25088-1 (dither version) and as RES for the LM25088-2 (restart v; The datasheet gives pin names, numbers and functions but no KiCad ERC types. The types here are infe; The exposed pad is listed as pin 17 (EP) in the pin table and revision history, which is an extensio"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0637,
        "at": "2026-10-12T04:23:28"
      },
      "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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        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
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        "checked": "2026-10-12",
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        "sha256": "642e356f2c477e565e8099ab58058f741300ad9fae4b07b785b53d3f790eef61",
        "checked": "2026-10-12",
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}