TPS51396ARJER

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps51396arjer",
  "title": "TPS51396ARJER",
  "brief": "Texas Instruments DC-DC Converters, QFN-20-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": [
    "component",
    "power management (pmic)",
    "tps51396arjer",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS51396ARJER",
    "manufacturer": "Texas Instruments",
    "package": "QFN-20-EP(3x3)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps51396a",
    "parts": {
      "symbol": "tps51396arjer.kicad_sym",
      "footprint": "tps51396arjer.kicad_mod",
      "model_3d": "tps51396arjer-hero.glb",
      "model_3d_plain": "tps51396arjer.glb",
      "model_3d_step": "tps51396arjer-etched.step",
      "model_3d_step_plain": "tps51396arjer.step",
      "lbr": "tps51396arjer.lbr"
    },
    "distributor_links": {
      "lcsc": "C3032872",
      "digikey": "296-TPS51396ARJERTR-ND",
      "mouser": "595-TPS51396ARJER"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T00:39:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS51396ARJERTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS51396ARJER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BST",
        "type": "power_in",
        "description": "Supply input for gate drive voltage of high-side MOSFET; connect 0.1 μF bootstrap capacitor between BST and SW."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supply pin for control circuitry rated 4.5V to 24V; connect input decoupling capacitors between VIN and GND."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supply pin for control circuitry rated 4.5V to 24V; connect input decoupling capacitors between VIN and GND."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supply pin for control circuitry rated 4.5V to 24V; connect input decoupling capacitors between VIN and GND."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supply pin for control circuitry rated 4.5V to 24V; connect input decoupling capacitors between VIN and GND."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Switch node terminal; connect output inductor to this pin."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground terminal for controller circuit and internal circuitry."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground terminal for controller circuit and internal circuitry."
      },
      {
        "number": "9",
        "name": "PGOOD",
        "type": "output",
        "description": "Open drain power good indicator asserted low if output voltage out of threshold, overvoltage, thermal shutdown, EN shutdown, or soft start condition."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; can be connected to GND plane for improved thermal performance."
      },
      {
        "number": "11",
        "name": "SS",
        "type": "input",
        "description": "Soft-start time selection pin; external capacitor sets timing with 1.3 ms default if not connected."
      },
      {
        "number": "12",
        "name": "EN",
        "type": "input",
        "description": "Digital input enable pin to turn on/off buck converter with internal pull-down current when left open."
      },
      {
        "number": "13",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; connect to GND plane with short trace."
      },
      {
        "number": "14",
        "name": "FB",
        "type": "input",
        "description": "Converter feedback input connected to center tap of resistor divider between output voltage and AGND."
      },
      {
        "number": "15",
        "name": "MODE",
        "type": "input",
        "description": "Light load operation mode selection pin; connect to resistor divider from VCC and AGND per table 7-1."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; can be connected to GND plane for improved thermal performance."
      },
      {
        "number": "17",
        "name": "VCC",
        "type": "power_in",
        "description": "5.0V internal LDO output supplying voltage to internal circuitry and gate driver; bypass with 1 μF capacitor."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground terminal for controller circuit and internal circuitry."
      },
      {
        "number": "19",
        "name": "SW",
        "type": "output",
        "description": "Switch node terminal; connect output inductor to this pin."
      },
      {
        "number": "20",
        "name": "SW",
        "type": "output",
        "description": "Switch node terminal; connect output inductor to this pin."
      },
      {
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet references exposed thermal pad (Pad G) in GND description but does not assign it an explic",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1377,
        "at": "2026-10-03T00:39:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps51396a",
        "pages": 33,
        "sha256": "886c9ef21f4b86f1",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "QFN-20-EP(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "21"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tps51396arjer"
  ],
  "discovery_pitch": "TPS51396ARJER (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "tps51396arjer.step",
    "tps51396arjer.lbr",
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    "docs/tps51396arjer-datasheet.pdf",
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  "visibility": {
    "public": true
  }
}