LM5115MTCX

{
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  "type": "component",
  "slug": "lm5115mtcx",
  "title": "LM5115MTCX",
  "brief": "Texas Instruments AC-DC Controllers And Regulators, TSSOP-16. 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 management (pmic)",
    "lm5115mtcx",
    "factory-2.0.0",
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  "component": {
    "mpn": "LM5115MTCX",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm5115",
    "parts": {
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      "footprint": "lm5115mtcx.kicad_mod",
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      "lbr": "lm5115mtcx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2657853",
      "digikey": "LM5115MTCX-ND",
      "mouser": "926-LM5115MTCX"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T22:53:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM5115MTCX-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM5115MTCX",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Positive input of the current sense amplifier, with a low-inductance sense resistor connected between CS and VOUT; current limiting occurs when the CS-to-VOUT differential exceeds 45mV (typical)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "input",
        "description": "Negative input of the current sense amplifier, connected directly to the output voltage, which the sense amplifier supports from 0V to 13.5V."
      },
      {
        "number": "3",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, to be connected directly to the power ground pin (PGND)."
      },
      {
        "number": "4",
        "name": "CO",
        "type": "output",
        "description": "Current limit output; connect to COMP for normal current limit operation, or leave open to disable the current limit function."
      },
      {
        "number": "5",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output (compensation), with its pull-up provided by an internal 300µA current source."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Error amplifier inverting input, connected to the regulated output through the feedback divider and compensation, with a feedback reference of 0.75V (0.737V to 0.763V) measured at this pin."
      },
      {
        "number": "7",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start control, where an external capacitor with the internal resistor divider sets the soft-start time and the steady-state SS voltage is 0.75V (typical)."
      },
      {
        "number": "8",
        "name": "RAMP",
        "type": "passive",
        "description": "PWM ramp signal, where an external capacitor sets the voltage-mode PWM ramp slope and is discharged at the end of every cycle by an internal MOSFET."
      },
      {
        "number": "9",
        "name": "SYNC",
        "type": "input",
        "description": "Synchronization input, a low-impedance current input that sets the RAMP capacitor charge current and the free-run oscillator frequency in DC input mode."
      },
      {
        "number": "10",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, to be connected directly to the analog ground pin (AGND)."
      },
      {
        "number": "11",
        "name": "LO",
        "type": "output",
        "description": "Low-side gate driver output, to be connected to the gate of the low-side synchronous MOSFET through a short, low-inductance path."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_out",
        "description": "Output of the internal LDO bias regulator, nominally 7V, to be locally decoupled to PGND with a low-ESR/ESL capacitor placed close to the controller."
      },
      {
        "number": "13",
        "name": "HS",
        "type": "passive",
        "description": "High-side MOSFET source connection, to be connected to the negative terminal of the bootstrap capacitor and the source of the high-side MOSFET."
      },
      {
        "number": "14",
        "name": "HO",
        "type": "output",
        "description": "High-side gate driver output, to be connected to the gate of the high-side MOSFET through a short, low-inductance path."
      },
      {
        "number": "15",
        "name": "HB",
        "type": "power_in",
        "description": "High-side gate driver bootstrap rail, to be connected to the bootstrap diode cathode and the positive terminal of the bootstrap capacitor, placed as close to the controller as possible."
      },
      {
        "number": "16",
        "name": "VBIAS",
        "type": "power_in",
        "description": "Supply bias input for the LDO bias regulator and current sense amplifier, with an input range of 4.5V to 30V."
      }
    ],
    "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 TSSOP-16 connection diagram (Figure 2) text extracted from the PDF is scrambled, so pin numbers ; Pin 16 (VBIAS) is described on page 3, not page 2; the pin-type assignments (for example HS as passi; Package mapping: the package option addendum (page 18) lists LM5115MTCX/NOPB as TSSOP (PW) 16-pin, 2"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0565,
        "at": "2026-10-08T22:52:22"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm5115",
        "pages": 27,
        "sha256": "56aa3e6dcc80a852",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0,
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        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
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        "sha256": "75b60660565478b4b7339b7b26ef6f1f9fb3562f12d2f82cf95b218586150f00",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-16",
      "Category": "Power Management (PMIC)",
      "Pins": "16"
    }
  },
  "variants": [],
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  "discovery_pitch": "LM5115MTCX (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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}