TPS5103IDBR

{
  "slug": "tps5103idbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps5103idbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps5103idbr.kicad_sym",
    "tps5103idbr.kicad_mod",
    "tps5103idbr.glb",
    "tps5103idbr.step",
    "tps5103idbr.lbr",
    "docs/hero.png",
    "docs/tps5103idbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps5103idbr-hero.glb",
    "tps5103idbr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS5103IDBR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-20-208mil",
    "pin_count": 20,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps5103",
    "parts": {
      "symbol": "tps5103idbr.kicad_sym",
      "footprint": "tps5103idbr.kicad_mod",
      "model_3d": "tps5103idbr-hero.glb",
      "model_3d_plain": "tps5103idbr.glb",
      "model_3d_step": "tps5103idbr-etched.step",
      "model_3d_step_plain": "tps5103idbr.step",
      "lbr": "tps5103idbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2873196",
      "digikey": "TPS5103IDBR-ND",
      "mouser": "595-TPS5103IDBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T22:47:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TPS5103IDBR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS5103IDBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SOFTSTART",
        "type": "input",
        "description": "External capacitor from SOFTSTART to GND sets the soft-start timing for the controller."
      },
      {
        "number": "2",
        "name": "INV",
        "type": "input",
        "description": "Inverting input of both the error amplifier and the hysteretic comparator."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "output",
        "description": "Feedback output of the error amplifier, brought out for loop-gain compensation."
      },
      {
        "number": "4",
        "name": "CT",
        "type": "bidirectional",
        "description": "External capacitor from CT to GND adjusts the triangle oscillator and decreases the current-limiting voltage; the capacitor may be left open or added to adjust the overcurrent reset frequency."
      },
      {
        "number": "5",
        "name": "RT",
        "type": "bidirectional",
        "description": "External resistor connection for adjusting the triangle oscillator frequency; connecting RT to VREF5 selects hysteretic mode."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Control ground for the controller circuitry."
      },
      {
        "number": "7",
        "name": "REF",
        "type": "output",
        "description": "1.185 V reference voltage output used for output-voltage setting and voltage protection (COMP)."
      },
      {
        "number": "8",
        "name": "COMP",
        "type": "input",
        "description": "Comparator input for voltage monitoring, also used for input undervoltage protection; its inverting terminal is internally tied to REF (1.185 V)."
      },
      {
        "number": "9",
        "name": "PWM/SKIP",
        "type": "input",
        "description": "Mode select: low selects PWM mode and high selects SKIP mode."
      },
      {
        "number": "10",
        "name": "STBY",
        "type": "input",
        "description": "Standby control input."
      },
      {
        "number": "11",
        "name": "VREG5V_IN",
        "type": "input",
        "description": "External 5-V input; input voltage range is 4.5 V to 25 V."
      },
      {
        "number": "12",
        "name": "VREF5",
        "type": "output",
        "description": "Output of the internal 5-V linear regulator used for the high-side driver bootstrap voltage, with a stated tolerance of 6%."
      },
      {
        "number": "13",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply-voltage input for the controller."
      },
      {
        "number": "14",
        "name": "VCC_SENSE",
        "type": "input",
        "description": "Supply-voltage sense for current protection, sensing the high-side MOSFET drain-to-source drop together with LL."
      },
      {
        "number": "15",
        "name": "TRIP",
        "type": "input",
        "description": "External resistor connection that sets the output-current limit (overcurrent threshold) with an internal current source of 15 µA in PWM mode and 5 µA in SKIP mode."
      },
      {
        "number": "16",
        "name": "OUTGND",
        "type": "power_in",
        "description": "Ground for the FET drivers, return for OUT_u and OUT_d gate-drive outputs."
      },
      {
        "number": "17",
        "name": "OUT_d",
        "type": "bidirectional",
        "description": "Gate-drive output for the low-side power switching FET."
      },
      {
        "number": "18",
        "name": "LL",
        "type": "bidirectional",
        "description": "Bootstrap low: high-side gate-driving return and output-current protection; connect to the junction of the high-side and low-side FETs for floating drive."
      },
      {
        "number": "19",
        "name": "OUT_u",
        "type": "output",
        "description": "Gate-drive output for the high-side power switching FET; the maximum voltage between OUT_u and LL is limited to 5 V."
      },
      {
        "number": "20",
        "name": "LH",
        "type": "bidirectional",
        "description": "Bootstrap pin: connect a 1 µF, low-ESR capacitor from LH to LL; the maximum voltage between LH and OUTGND is 30 V."
      }
    ],
    "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 mechanical drawing on page 36 is the generic DB outline labelled '28 PINS SHOWN'; no 20-pin-spec; Pin types for OUT_d, LL, LH and CT/RT are datasheet 'I/O' and were mapped to KiCad bidirectional; OU"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0613,
        "at": "2026-10-07T22:46:42"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps5103",
        "pages": 41,
        "sha256": "dc4faf0f8eb87b52",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps5103idbr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          7.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9a01a276d0b4d9561efd58f2fcee56f52c1b6ab464ea7a0380cab4e87a924e6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps5103idbr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
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          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3c5532f89e6137c25296de6a267612621a31eddc079dd594cdb88d8873e27460",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}