TPS51116MPWPREP

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps51116mpwprep",
  "title": "TPS51116MPWPREP",
  "brief": "Texas Instruments Power Management - Specialized, HTSSOP-20-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)",
    "tps51116mpwprep",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS51116MPWPREP",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-20-EP",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Management - Specialized",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps51116-ep",
    "parts": {
      "symbol": "tps51116mpwprep.kicad_sym",
      "footprint": "tps51116mpwprep.kicad_mod",
      "model_3d": "tps51116mpwprep-hero.glb",
      "model_3d_plain": "tps51116mpwprep.glb",
      "model_3d_step": "tps51116mpwprep-etched.step",
      "model_3d_step_plain": "tps51116mpwprep.step",
      "lbr": "tps51116mpwprep.lbr"
    },
    "distributor_links": {
      "lcsc": "C1850381",
      "digikey": "296-TPS51116MPWPREPTR-ND",
      "mouser": "595-TPS51116MPWPREP"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T04:01:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS51116MPWPREPTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS51116MPWPREP",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VLDOIN",
        "type": "input",
        "description": "Power supply for the VTT LDO, with a recommended range of -0.1 V to 3.6 V."
      },
      {
        "number": "2",
        "name": "VTT",
        "type": "output",
        "description": "Power output of the 1 A VTT LDO, whose output voltage is sensed at VTTSNS."
      },
      {
        "number": "3",
        "name": "VTTGND",
        "type": "power_in",
        "description": "Power ground output for the VTT LDO, with a recommended range of -0.1 V to 0.1 V."
      },
      {
        "number": "4",
        "name": "VTTSNS",
        "type": "input",
        "description": "Voltage sense input for the VTT LDO, connected to the plus terminal of the VTT LDO output capacitor, with a recommended range of -0.1 V to 3.6 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground, connected to the minus terminal of the VTT LDO output capacitor."
      },
      {
        "number": "6",
        "name": "MODE",
        "type": "input",
        "description": "Discharge mode select: connect to V5IN for no discharge, to VDDQ for tracking discharge, or to GND for non-tracking discharge; recommended range is -0.1 V to 5.25 V."
      },
      {
        "number": "7",
        "name": "VTTREF",
        "type": "output",
        "description": "Buffered VTTREF reference output, with a recommended range of -0.1 V to 1.8 V."
      },
      {
        "number": "8",
        "name": "COMP",
        "type": "bidirectional",
        "description": "Output of the transconductance amplifier for phase compensation; connect to V5IN to disable the gm amplifier and use D-CAP mode, with a recommended range of -0.1 V to 5.25 V."
      },
      {
        "number": "9",
        "name": "VDDQSNS",
        "type": "bidirectional",
        "description": "VDDQ output voltage feedback input when VDDQSET is connected to V5IN or GND, and discharge current sink terminal for non-tracking discharge; recommended range is -0.1 V to 3.6 V."
      },
      {
        "number": "10",
        "name": "VDDQSET",
        "type": "input",
        "description": "VDDQ output voltage setting pin; connect to V5IN or GND for the internal divider, or use an external divider, with a recommended range of -0.1 V to 5.25 V."
      },
      {
        "number": "11",
        "name": "S3",
        "type": "input",
        "description": "S3 signal input; with S5 low, it causes discharge of VDDQ, VTTREF and VTT, with a recommended range of -0.1 V to 5.25 V."
      },
      {
        "number": "12",
        "name": "S5",
        "type": "input",
        "description": "S5 signal input; with S3 low, it causes discharge of VDDQ, VTTREF and VTT, with a recommended range of -0.1 V to 5.25 V."
      },
      {
        "number": "13",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain powergood output, HIGH when the VDDQ output voltage is within the target range, with a recommended range of -0.1 V to 5.25 V."
      },
      {
        "number": "14",
        "name": "V5IN",
        "type": "input",
        "description": "5 V power supply input for internal circuits and MOSFET gate drivers; recommended supply range is 4.75 V to 5.25 V."
      },
      {
        "number": "15",
        "name": "CS",
        "type": "bidirectional",
        "description": "Current-sense comparator negative input for resistor sensing, or overcurrent trip setting input for RDS(on) sensing when connected to V5IN through a voltage-setting resistor; recommended range is -0.1 V to 5.25 V."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground for the bottom MOSFET gate driver, also the positive current-sense comparator input and the powergood circuit ground, with a recommended range of -0.1 V to 0.1 V."
      },
      {
        "number": "17",
        "name": "DRVL",
        "type": "output",
        "description": "Bottom (rectifying) MOSFET gate drive output; recommended range is -0.1 V to 5.25 V."
      },
      {
        "number": "18",
        "name": "LL",
        "type": "bidirectional",
        "description": "Switching (top) MOSFET gate driver return and negative current-sense input for RDS(on) sensing, with a recommended range of -0.6 V to 28 V."
      },
      {
        "number": "19",
        "name": "DRVH",
        "type": "output",
        "description": "Switching (top) MOSFET gate drive output; recommended range is -0.1 V to 34 V."
      },
      {
        "number": "20",
        "name": "VBST",
        "type": "bidirectional",
        "description": "Bootstrap voltage input for the switching (top) MOSFET driver; recommended range is -0.1 V to 34 V."
      },
      {
        "number": "21",
        "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 datasheet lists these as ground terminals with no ERC type (or as 'Power ground output'); they a; The datasheet lists these as I/O; they are mapped to KiCad bidirectional. Confirm against the applic; The exposed thermal PowerPAD of the PWP package is not given a pin number in the terminal table or t",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0675,
        "at": "2026-10-11T04:01:09"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps51116-ep",
        "pages": 40,
        "sha256": "dca73005a4f4cdd4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8684b077a4b25d8ab44c4110e9fea4f09ff383067c310f846e1336bbbfd8d188",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps51116mpwprep-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d43114608c00625c35574f36da1d466d331ef66313f814d66064234fe8baf1c8",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-20-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "21"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "tps51116mpwprep"
  ],
  "discovery_pitch": "TPS51116MPWPREP (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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}