LM5088QMHX-1

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm5088qmhx-1",
  "title": "LM5088QMHX-1",
  "brief": "Texas Instruments DC-DC Controllers, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power supply chip",
    "lm5088qmhx-1",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LM5088QMHX-1",
    "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/lm5088",
    "parts": {
      "symbol": "lm5088qmhx-1.kicad_sym",
      "footprint": "lm5088qmhx-1.kicad_mod",
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      "model_3d_plain": "lm5088qmhx-1.glb",
      "model_3d_step": "lm5088qmhx-1-etched.step",
      "model_3d_step_plain": "lm5088qmhx-1.step",
      "lbr": "lm5088qmhx-1.lbr"
    },
    "distributor_links": {
      "lcsc": "C1848488"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T17:43:55Z",
      "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 75 V."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Below 0.4 V the regulator is in a low-power state, 0.4 V to 1.2 V selects standby, and above 1.2 V the controller is operational; a 5-µA pullup forces the pin high if left open."
      },
      {
        "number": "3",
        "name": "SS",
        "type": "passive",
        "description": "An internal 11-µA source charges an external capacitor to set the start-up rate, the pin controls the error amplifier while below the 1.2-V reference, and it is held low in standby, VCC UVLO and thermal shutdown."
      },
      {
        "number": "4",
        "name": "RAMP",
        "type": "passive",
        "description": "An external capacitor from this pin to 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 the 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."
      },
      {
        "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": "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": "A capacitor to GND is charged and discharged by 27-µA sources to modulate the oscillator between -5% and +5% of nominal frequency, and grounding this pin disables dithering (LM5088-1 only)."
      },
      {
        "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, sensing diode current at the end of the buck off time to provide the emulated ramp DC offset."
      },
      {
        "number": "13",
        "name": "SW",
        "type": "passive",
        "description": "Connect to the source terminal of the external MOSFET switch; absolute maximum SW to GND is -2 V to 76 V."
      },
      {
        "number": "14",
        "name": "HG",
        "type": "output",
        "description": "Connect to the gate terminal of the external MOSFET switch; HG to SW is limited to -0.3 V to BOOT + 0.3 V."
      },
      {
        "number": "15",
        "name": "BOOT",
        "type": "passive",
        "description": "An external bootstrap capacitor is required between BOOT and SW, charged from VCC through an internal diode during the buck off-time; BOOT to SW is limited to 16 V."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_out",
        "description": "Output of the bias regulator that tracks VIN up to 7.8 V typical and needs a 0.1-µF to 10-µF ceramic decoupling capacitor; an external voltage of 8.3 V to 13 V can be applied to reduce internal 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: The datasheet says the exposed pad is electrically isolated but asks for it to be soldered to ground; KiCad types for SS, RAMP, DITH, CSG, SW and BOOT are inferred from their connection role (capacitor,; Pin 10 is DITH on the dither version (LM5088-1, which this MPN corresponds to) and RES on the restar"
        ],
        "pages_sent": 9,
        "cost_usd": 0.066,
        "at": "2026-10-10T17:43:39"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm5088",
        "pages": 45,
        "sha256": "8c5931b7d7c79ed7",
        "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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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm5088qmhx-1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "04e4119c852aff6edfbf93d90b2ffa15ac02a1f1c8c429ad549f93575447310f",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-16-EP",
      "Category": "Power Supply Chip",
      "Pins": "17"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "lm5088qmhx-1"
  ],
  "discovery_pitch": "LM5088QMHX-1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}