TPS57112CQRTERQ1

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  "type": "component",
  "slug": "tps57112cqrterq1",
  "title": "TPS57112CQRTERQ1",
  "brief": "Texas Instruments DC-DC Converters, WQFN-16-EP(3x3). 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)",
    "tps57112cqrterq1",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "TPS57112CQRTERQ1",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps57112c-q1",
    "parts": {
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      "lbr": "tps57112cqrterq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C1855839",
      "digikey": "296-TPS57112CQRTERQ1TR-ND",
      "mouser": "595-TPS57112CQRTERQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T03:51:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS57112CQRTERQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS57112CQRTERQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage pin; the datasheet specifies an input range of 2.95 V to 6 V."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage pin; the datasheet specifies an input range of 2.95 V to 6 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground; connect electrically to the thermal pad directly under the IC."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground; connect electrically to the thermal pad directly under the IC."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; connect electrically to GND close to the device."
      },
      {
        "number": "6",
        "name": "VSENSE",
        "type": "input",
        "description": "Inverting input of the transconductance (gm) error amplifier, regulated to the 0.8 V internal reference."
      },
      {
        "number": "7",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and input to the output-switch current comparator; frequency-compensation components connect to this pin."
      },
      {
        "number": "8",
        "name": "RT/CLK",
        "type": "input",
        "description": "Resistor-timing or external-clock input; a clock square wave needs an on-time of at least 75 ns and a synchronization range of 300 kHz to 2000 kHz."
      },
      {
        "number": "9",
        "name": "SS/TR",
        "type": "input",
        "description": "Slow-start and tracking pin; an external capacitor sets the output-voltage rise time, and the pin is also used for tracking."
      },
      {
        "number": "10",
        "name": "PH",
        "type": "output",
        "description": "Source of the internal high-side power MOSFET and drain of the internal low-side (synchronous) rectifier MOSFET; absolute maximum PH voltage is -0.6 V to 7 V (-2 V to 10 V for 10-ns transients)."
      },
      {
        "number": "11",
        "name": "PH",
        "type": "output",
        "description": "Source of the internal high-side power MOSFET and drain of the internal low-side (synchronous) rectifier MOSFET; absolute maximum PH voltage is -0.6 V to 7 V (-2 V to 10 V for 10-ns transients)."
      },
      {
        "number": "12",
        "name": "PH",
        "type": "output",
        "description": "Source of the internal high-side power MOSFET and drain of the internal low-side (synchronous) rectifier MOSFET; absolute maximum PH voltage is -0.6 V to 7 V (-2 V to 10 V for 10-ns transients)."
      },
      {
        "number": "13",
        "name": "BOOT",
        "type": "output",
        "description": "Requires a bootstrap capacitor between BOOT and PH; if the voltage on this capacitor falls below the BOOT UVLO minimum, the output is forced off until the capacitor recharges."
      },
      {
        "number": "14",
        "name": "PWRGD",
        "type": "output",
        "description": "Open-drain power-good output that asserts low on thermal shutdown, overcurrent, overvoltage, undervoltage, or EN shutdown; the datasheet recommends a pullup of 1 kΩ to 100 kΩ to a source of 6 V or less."
      },
      {
        "number": "15",
        "name": "EN",
        "type": "input",
        "description": "Enable pin with internal pullup current source; pull below 1.2 V to disable and float to enable, and external resistors can set the UVLO threshold."
      },
      {
        "number": "16",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage pin; the datasheet specifies an input range of 2.95 V to 6 V."
      },
      {
        "number": "17",
        "name": "Thermal Pad",
        "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 thermal pad is an exposed pad on the package bottom and has no numbered pin. It is excluded from; The pin-function table lists VIN as pins 1, 2 and 16 in one row, and the top-view drawing text is ga; The datasheet types BOOT as output (O), but the pin is a bootstrap supply connection to the high-sid",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0574,
        "at": "2026-10-11T03:51:36"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps57112c-q1",
        "pages": 43,
        "sha256": "f3d209ed52d6da70",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
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        "refuses_to_fabricate": true
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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps57112cqrterq1-etched.step",
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        "sha256": "c584fa31d608be873dcec9f09ee79a7f67e244466d1374c5ecee397e0b6c09d9",
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      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-16-EP(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
    }
  },
  "variants": [],
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  "discovery_pitch": "TPS57112CQRTERQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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