CS51414EDR8G

{
  "schema_version": 1,
  "type": "component",
  "slug": "cs51414edr8g",
  "title": "CS51414EDR8G",
  "brief": "onsemi DC-DC Converters, SOIC-8. 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)",
    "cs51414edr8g",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "CS51414EDR8G",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588936531411550208",
    "parts": {
      "symbol": "cs51414edr8g.kicad_sym",
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      "model_3d_step": "cs51414edr8g-etched.step",
      "model_3d_step_plain": "cs51414edr8g.step",
      "lbr": "cs51414edr8g.lbr"
    },
    "distributor_links": {
      "lcsc": "C462717"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T09:31:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOST",
        "type": "power_in",
        "description": "The BOOST pin provides additional drive voltage to the on-chip NPN power transistor, and the resulting lower switch-on voltage improves efficiency; the datasheet rates BOOST at 40 V maximum and −0.3 V minimum."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "This pin is the main power input to the IC, which accommodates input voltages from 4.5 V to 40 V."
      },
      {
        "number": "3",
        "name": "VSW",
        "type": "output",
        "description": "This pin is the emitter connection of the on-chip NPN power transistor and the switch output to the inductor; it requires a catch diode and may see −1.0 V for less than 50 ns during switch flyback."
      },
      {
        "number": "4",
        "name": "BIAS",
        "type": "power_in",
        "description": "The BIAS pin connects to the on-chip power rail so most internal circuitry can run from the regulated output or an external 3.3 V to 6.0 V supply to improve efficiency, and it is left floating if this feature is not used."
      },
      {
        "number": "5",
        "name": "SHDNB",
        "type": "input",
        "description": "This active-low TTL-compatible shutdown input has an internal pull-up current source, and the IC enters sleep mode drawing less than 85 µA when the pin is pulled below 1.0 V; it may be left floating if shutdown is not required."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "This pin is the power return connection for the IC."
      },
      {
        "number": "7",
        "name": "VFB",
        "type": "input",
        "description": "This pin is the inverting input of the error amplifier, and if VFB falls below 0.29 V the oscillator frequency is divided by four and current limit folds back to about 1 A."
      },
      {
        "number": "8",
        "name": "VC",
        "type": "passive",
        "description": "This pin is the error amplifier output and PWM comparator input, and driving it should be avoided because on-chip test circuitry becomes active whenever current exceeding 0.5 mA is forced into the IC."
      }
    ],
    "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 SOIC-8 pinout is taken from the 'PACKAGE PIN DESCRIPTION' table on page 2, which gives SOIC-8 pi; Pins 4 and 5 differ by device variant. CS51414 is the Bias version per the product selection guide (; Pin types for BOOST, BIAS, and VC are not stated in the datasheet and were assigned by function (sup"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0537,
        "at": "2026-10-18T09:29:24"
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        "pages": 20,
        "sha256": "78b0f5888488b6f3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
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          "name": "Operating Frequency (CS51413/CS51414)",
          "symbol": "",
          "kind": "electrical",
          "unit": "kHz",
          "min": 446,
          "typ": 520,
          "max": 594,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Frequency Line Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.05,
          "max": 0.15,
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        },
        {
          "name": "Maximum Duty Cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 85,
          "typ": 90,
          "max": 95,
          "conditions": "",
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        {
          "name": "VFB Frequency Foldback Threshold",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.29,
          "typ": 0.32,
          "max": 0.36,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Slope Compensation Voltage (CS51413/CS51414)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV/s",
          "min": 25,
          "typ": 50,
          "max": 75,
          "conditions": "Fix VFB, VC/TON",
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        },
        {
          "name": "Minimum Output Pulse Width (CS51413/CS51414)",
          "symbol": "",
          "kind": "timing",
          "unit": "ns",
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        {
          "name": "Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 1.6,
          "typ": 2.3,
          "max": 3,
          "conditions": "VFB > 0.36 V",
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        },
        {
          "name": "Foldback Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 0.9,
          "typ": 1.5,
          "max": 2.1,
          "conditions": "VFB < 0.29 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Saturation Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.4,
          "typ": 0.7,
          "max": 1,
          "conditions": "IOUT = 1.5 A, VBOOST = VIN + 2.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit Delay",
          "symbol": "",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 120,
          "max": 160,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Internal Reference Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.244,
          "typ": 1.27,
          "max": 1.296,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB Input Bias Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.02,
          "max": 0.1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Source Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 15,
          "typ": 25,
          "max": 35,
          "conditions": "VC = 1.270 V, VFB = 1.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Sink Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 15,
          "typ": 25,
          "max": 35,
          "conditions": "VC = 1.270 V, VFB = 2.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output High Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.39,
          "typ": 1.46,
          "max": 1.53,
          "conditions": "VFB = 1.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Low Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": 5,
          "typ": 20,
          "max": 60,
          "conditions": "VFB = 2.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Sync Frequency Range (CS51413/CS51414)",
          "symbol": "",
          "kind": "electrical",
          "unit": "kHz",
          "min": 575,
          "typ": null,
          "max": 880,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Threshold Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.3,
          "max": 1.6,
          "conditions": "ICC = 2 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Pin Bias Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 0.14,
          "typ": 5,
          "max": 35,
          "conditions": "VSHDNB = 0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Overtemperature Trip Point",
          "symbol": "",
          "kind": "electrical",
          "unit": "°C",
          "min": 175,
          "typ": 185,
          "max": 195,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6.25,
          "conditions": "ISW = 0 A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Quiescent Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 20,
          "max": 85,
          "conditions": "VSHDNB = 0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Boost Operating Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA/A",
          "min": 6,
          "typ": 15,
          "max": 40,
          "conditions": "VBOOST − VSW = 2.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum Boost Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Startup Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": 3.3,
          "max": 4.4,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum Output Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 7,
          "max": 12,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Pin VIN voltage rating",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin BOOST voltage rating",
          "symbol": "BOOST",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin VSW voltage rating",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.6,
          "typ": null,
          "max": 40,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Pin VSW negative voltage",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "t < 50 ns",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin VC voltage rating",
          "symbol": "VC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
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        },
        {
          "name": "Pin SHDNB voltage rating",
          "symbol": "SHDNB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin BIAS voltage rating",
          "symbol": "BIAS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin VFB voltage rating",
          "symbol": "VFB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin GND voltage rating",
          "symbol": "GND",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin VIN sink current",
          "symbol": "ISINK",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "",
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        {
          "name": "Pin BOOST sink current",
          "symbol": "ISINK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
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        },
        {
          "name": "Pin VSW source current",
          "symbol": "ISOURCE",
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          "unit": "A",
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          "conditions": "",
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        {
          "name": "Pin VSW sink current",
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          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Pin VC source current",
          "symbol": "ISOURCE",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin VC sink current",
          "symbol": "ISINK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin SHDNB source current",
          "symbol": "ISOURCE",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin SHDNB sink current",
          "symbol": "ISINK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin BIAS source current",
          "symbol": "ISOURCE",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin BIAS sink current",
          "symbol": "ISINK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin VFB source current",
          "symbol": "ISOURCE",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin VFB sink current",
          "symbol": "ISINK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin GND source current",
          "symbol": "ISOURCE",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pin GND sink current",
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          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
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        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "ESD Damage Threshold (Human Body Model)",
          "symbol": "",
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          "unit": "kV",
          "min": 2,
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        {
          "name": "Lead Temperature Soldering Reflow for Leaded (SMD styles only)",
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        {
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