LM5575Q0MH

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm5575q0mh",
  "title": "LM5575Q0MH",
  "brief": "Texas Instruments DC-DC Converters, 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": [
    "component",
    "power management (pmic)",
    "lm5575q0mh",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LM5575Q0MH",
    "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/lm5575-q1",
    "parts": {
      "symbol": "lm5575q0mh.kicad_sym",
      "footprint": "lm5575q0mh.kicad_mod",
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      "model_3d_step": "lm5575q0mh-etched.step",
      "model_3d_step_plain": "lm5575q0mh.step",
      "lbr": "lm5575q0mh.lbr"
    },
    "distributor_links": {
      "lcsc": "C2863746"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T22:39:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_out",
        "description": "Output of the internal bias regulator that tracks VIN up to 9V and regulates to 7V above that; requires a 0.1µF to 1µF ceramic decoupling capacitor and can be driven externally at 7.5V to 14V to reduce internal power dissipation."
      },
      {
        "number": "2",
        "name": "SD",
        "type": "input",
        "description": "Shutdown or UVLO input: below 0.7V the regulator is in low-power shutdown, 0.7V to 1.225V is standby, and above 1.225V it operates normally, with an internal 5µA pull-up if left open and a 14V absolute maximum."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage with a rated operating range of 6V to 75V (absolute maximum 76V)."
      },
      {
        "number": "4",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "Oscillator synchronization input or output; can be pulled low by an external open-drain clock (pulse width at least 15ns, and the external frequency must be higher than the RT-set free-running frequency) and can be tied to other devices, up to 5 total, to synchronize them."
      },
      {
        "number": "5",
        "name": "COMP",
        "type": "output",
        "description": "Output of the internal error amplifier; the loop compensation network must be connected between this pin and FB."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the inverting input of the internal error amplifier, with a regulation threshold of 1.225V."
      },
      {
        "number": "7",
        "name": "RT",
        "type": "input",
        "description": "Oscillator frequency-setting input; a single resistor connected between RT and AGND sets the switching frequency between 50kHz and 500kHz."
      },
      {
        "number": "8",
        "name": "RAMP",
        "type": "output",
        "description": "Slope-compensation ramp signal; an external capacitor between RAMP and AGND sets the ramp slope, with a recommended range of 50pF to 2000pF."
      },
      {
        "number": "9",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground serving as the internal reference for the regulator control functions."
      },
      {
        "number": "10",
        "name": "SS",
        "type": "output",
        "description": "Soft-start pin; an external capacitor with the internal 10µA current source sets the rise time of the error amplifier reference, and SS is held low during standby, VCC UVLO and thermal shutdown."
      },
      {
        "number": "11",
        "name": "OUT",
        "type": "output",
        "description": "Output voltage connection, connected directly to the regulated output voltage."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground serving as the low-side reference for the pre-driver and the IS sense resistor."
      },
      {
        "number": "13",
        "name": "IS",
        "type": "input",
        "description": "Current-sense input connected to the recirculating diode anode; the internal sense resistor and sample-and-hold measure diode current at the end of the off-time."
      },
      {
        "number": "14",
        "name": "SW",
        "type": "output",
        "description": "Switch node, the source terminal of the internal buck switch, which connects to the external Schottky diode and buck inductor; the absolute maximum SW-to-GND voltage in steady state is -1.5V."
      },
      {
        "number": "15",
        "name": "PRE",
        "type": "output",
        "description": "Open-drain bootstrap-capacitor precharge output that can be connected to SW; an internal precharge MOSFET conducts for 250ns each cycle before the on-time to charge the bootstrap capacitor at very light load or during output precharge."
      },
      {
        "number": "16",
        "name": "BST",
        "type": "input",
        "description": "Bootstrap input; an external capacitor is required between BST and SW, with TI recommending 0.022µF ceramic, and the capacitor is charged from VCC through an internal diode during the switch off-time."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 exposed pad (EP) is not a numbered lead; it is listed in the datasheet pin table as 'EP'. It is ; The pin table lists SYNC as type 'I' but the description says it is an 'oscillator synchronization i; The pinout was taken from the Table 4-1 pin-function table, which is authoritative. The figure 4-1 t",
          "exposed pad 17 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 28,
        "cost_usd": 0.1472,
        "at": "2026-10-07T22:39:14"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm5575-q1",
        "pages": 36,
        "sha256": "00acb15b9610c6c8",
        "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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      "footprint": "viewers/footprint.html"
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm5575q0mh-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "486a8d6604f40a37d1952103680563ce6cf54ca48453c85a9f34958343de1d97",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-16-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
    }
  },
  "variants": [],
  "sections": [
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    "breadcrumbs",
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  "discovery_triggers": [
    "lm5575q0mh"
  ],
  "discovery_pitch": "LM5575Q0MH (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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}