TX4114

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  "slug": "tx4114",
  "title": "TX4114",
  "brief": "XDS DC-DC Converters, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
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    "pmic",
    "tx4114"
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  "component": {
    "mpn": "TX4114",
    "manufacturer": "XDS",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/da0159b23dc56e67b7aece08efb4d199.pdf",
    "parts": {
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      "model_3d_plain": "tx4114.glb",
      "model_3d_step": "tx4114-etched.step",
      "model_3d_step_plain": "tx4114.step",
      "lbr": "tx4114.lbr"
    },
    "distributor_links": {
      "lcsc": "C329263"
    },
    "pins": [
      {
        "number": "1",
        "name": "VFB",
        "type": "input",
        "description": "Output voltage feedback pin. Connect to the mid-point of the R1/R2 divider from VOUT to GND. The internal regulation comparator references Vref = 1.21 V, so VOUT = 1.21 * (R1/R2 + 1). Feedback input current is ~0.05 uA."
      },
      {
        "number": "2",
        "name": "TOFF",
        "type": "passive",
        "description": "Oscillator / switching-frequency programming pin. Connect a resistor R4 to GND to set FOSC, per R4(kOhm) = 22000 / FOSC(kHz). Programmable range 150 kHz to 500 kHz (typ 220 kHz at R4 = 100 kOhm). Absolute max on this pin is -0.3 to 6 V."
      },
      {
        "number": "3",
        "name": "CUR",
        "type": "passive",
        "description": "Output current-limit programming pin. Connect a resistor R3 to GND to set the current limit, per R3(kOhm) = 29.523 * IOUT. Internal current-limit comparator sink current is typ 8.5 uA (7-10 uA). Absolute max on this pin is -0.3 to 6 V."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip power supply input (also labeled VIN in the typical application). Operating range 8-30 V, absolute max -3.3 to 32 V. Requires an external electrolytic bulk-decoupling capacitor to GND. Quiescent current is ~10-20 mA at no load."
      },
      {
        "number": "5",
        "name": "SW1",
        "type": "output",
        "description": "Switch node output 1. Internally tied together with SW2 (pin 6) to the drain junction of the integrated high-side P-MOSFET (Rds(on) ~65 mOhm) and low-side N-MOSFET (Rds(on) ~30 mOhm). Connect to the external inductor of the buck output filter. Absolute max -0.3 to 32 V."
      },
      {
        "number": "6",
        "name": "SW2",
        "type": "output",
        "description": "Switch node output 2. Internally the same node as SW1 (pin 5) - the pins are paralleled for current handling. Connect together with SW1 to the external inductor. Absolute max -0.3 to 32 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground / power return. Internally common with pin 8; both should be tied to the PCB ground plane for the power stage return current."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground / power return. Internally common with pin 7; both should be tied to the PCB ground plane for the power stage return current."
      }
    ],
    "provenance": {
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        "pages": 6,
        "sha256": "99888ddfe5df6838",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XDS",
      "Package": "SOP-8",
      "Category": "PMIC",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "99888ddfe5df6838",
      "rows": [
        {
          "name": "Input voltage (allowable range)",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 8,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 10,
          "max": 20,
          "conditions": "ILOAD =0A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 1.18,
          "typ": 1.21,
          "max": 1.24,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency range",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 150,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 180,
          "typ": 220,
          "max": 260,
          "conditions": "RFRE =100k",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle",
          "symbol": "DC",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
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        },
        {
          "name": "Current limit threshold current",
          "symbol": "ILIM.TH",
          "kind": "electrical",
          "unit": "μA",
          "min": 7,
          "typ": 8.5,
          "max": 10,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Input voltage",
          "symbol": "",
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        {
          "name": "VFB, TOFF, CUR voltage",
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        {
          "name": "SW voltage",
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          "unit": "V",
          "min": -0.3,
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          "conditions": "",
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        },
        {
          "name": "Normal operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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        },
        {
          "name": "Normal ambient working temperature (note 2)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "Note 2: normal working ambient; outside range may affect stability",
          "source_page": 4,
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        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Junction temperature range",
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          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 256,
          "conditions": "",
          "source_page": 4,
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  "discovery_pitch": "TX4114 (XDS) component page with datasheet-verified CAD.",
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  "updated_at": "2026-09-25T13:15:36.819Z"
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