KP524208ALGA

{
  "schema_version": 1,
  "type": "component",
  "slug": "kp524208alga",
  "title": "KP524208ALGA",
  "brief": "Kiwi Instruments DC-DC Converters, TSOT-23-6. 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)",
    "kp524208alga",
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  "component": {
    "mpn": "KP524208ALGA",
    "manufacturer": "Kiwi Instruments",
    "package": "TSOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590269354551115776",
    "parts": {
      "symbol": "kp524208alga.kicad_sym",
      "footprint": "kp524208alga.kicad_mod",
      "model_3d": "kp524208alga-hero.glb",
      "model_3d_plain": "kp524208alga-etched.glb",
      "model_3d_step": "kp524208alga-etched.step",
      "model_3d_step_plain": "kp524208alga.step",
      "lbr": "kp524208alga.lbr"
    },
    "distributor_links": {
      "lcsc": "C5124017"
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    "distributor_check": {
      "checked_at": "2026-10-18T15:18:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Power and signal ground for the converter."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "power_out",
        "description": "Switch node; connect with a short, wide trace to the output inductor."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, rated 4.5 V to 17 V; place a 100 nF ceramic decoupling capacitor as close as possible to the VIN and GND pins."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin; the output voltage divider connects here, with VREF = 0.768 V for output voltage setting and control."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable pin; pull high or leave floating to enable the chip, and when tied to VIN a series pull-up resistor of at least 100 kΩ is required, which can also set the VIN UVLO threshold."
      },
      {
        "number": "6",
        "name": "BST",
        "type": "power_out",
        "description": "Charge-pump supply for the high-side MOSFET gate drive; connect a 100 nF ceramic capacitor between BST and SW to stabilize it."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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: Datasheet pin table (section 6, table 6.1) is shared by KP524201ALGA (PFM) and KP524208ALGA (FPWM), ; Pin types are mapped from the datasheet's 'P' (power) and 'I' (input) codes. SW and BST were set to ; Source text is Chinese and descriptions were translated and condensed into one sentence each; verify"
        ],
        "pages_sent": 24,
        "cost_usd": 0.1127,
        "at": "2026-10-18T15:14:42"
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      "datasheet": {
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        "pages": 24,
        "sha256": "0b3aa5b2faeccc27",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "seat": "z = 0",
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        "centre_offset_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Kiwi Instruments",
      "Package": "TSOT-23-6",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0b3aa5b2faeccc279660d36bba60d905f02599651d6f3603c252c36d21c0a217",
      "rows": [
        {
          "name": "VIN operating input voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 17,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN quiescent current (FPWM, KP524208A)",
          "symbol": "IQ(VIN)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 195,
          "max": null,
          "conditions": "No switching, VEN = 5 V, VFB = VREF*105%, IOUT = 0 A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN shutdown current",
          "symbol": "ISHDN(VIN)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.5,
          "max": 6,
          "conditions": "VIN = 12 V, VEN = 0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN UVLO rising threshold",
          "symbol": "VUVLO(R)",
          "kind": "electrical",
          "unit": "V",
          "min": 4,
          "typ": 4.2,
          "max": 4.4,
          "conditions": "VIN rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN UVLO falling threshold",
          "symbol": "VUVLO(F)",
          "kind": "electrical",
          "unit": "V",
          "min": 3.6,
          "typ": 3.8,
          "max": 4,
          "conditions": "VIN falling",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN rising threshold",
          "symbol": "VEN(R)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": 1.28,
          "conditions": "EN rising, enables switching",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN falling threshold",
          "symbol": "VEN(F)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.02,
          "typ": null,
          "max": 1.14,
          "conditions": "EN falling, disables switching",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN pin sink current",
          "symbol": "IEN(P)",
          "kind": "electrical",
          "unit": "µA",
          "min": 0.95,
          "typ": 1.14,
          "max": 1.5,
          "conditions": "VEN = 1.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN hysteresis sink current",
          "symbol": "IEN(H)",
          "kind": "electrical",
          "unit": "µA",
          "min": 2.3,
          "typ": 2.73,
          "max": 3.81,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB pin voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.76,
          "typ": 0.768,
          "max": 0.776,
          "conditions": "TJ = 25 ℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB pin voltage over temperature",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.757,
          "typ": 0.768,
          "max": 0.779,
          "conditions": "TJ = -40 ℃ to 125 ℃, VIN = 12 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB pin input leakage current",
          "symbol": "IFB(LKG)",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": 0,
          "max": 100,
          "conditions": "TJ = 25 ℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Internal soft-start time",
          "symbol": "TSS",
          "kind": "electrical",
          "unit": "ms",
          "min": 0.5,
          "typ": 1,
          "max": 1.5,
          "conditions": "From 10% VOUT to 90% VOUT",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "NOC reverse current limit (KP524208A)",
          "symbol": "ILS(NOC)",
          "kind": "electrical",
          "unit": "A",
          "min": 1.4,
          "typ": 2.2,
          "max": 2.9,
          "conditions": "VIN = 12 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVP threshold voltage",
          "symbol": "VUVP",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "VFB falling",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVP hysteresis voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "",
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        {
          "name": "UVP wait time before hiccup",
          "symbol": "THCP(WAIT)",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVP hiccup off time",
          "symbol": "THCP(OFF)",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "Hiccup mode to re-soft-start",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "OVP threshold voltage",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 115,
          "max": null,
          "conditions": "VFB rising",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "OVP hysteresis voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 6.5,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Overtemperature protection threshold",
          "symbol": "TJ(SD)",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Overtemperature protection recovery hysteresis",
          "symbol": "TJ(HYS)",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 35,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN delay time to first switching pulse",
          "symbol": "TDLY",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": 440,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency (continuous inductor current)",
          "symbol": "FSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 580,
          "max": null,
          "conditions": "VIN = 12 V, VOUT = 5 V, current continuous",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-side MOSFET on-resistance",
          "symbol": "RDSON(HS)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "TJ = 25 ℃, VIN = 12 V, VBOOT-SW = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-side MOSFET on-resistance",
          "symbol": "RDSON(LS)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "TJ = 25 ℃, VIN = 12 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum on-time",
          "symbol": "tON(min)",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum off-time",
          "symbol": "tOFF(min)",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dead time",
          "symbol": "tDEAD",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Zero-crossing detection threshold",
          "symbol": "IZC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 17,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage range (recommended)",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.768,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output current range (recommended)",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "A",
          "min": 0,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW pin voltage, DC (recommended)",
          "symbol": "SW, DC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.1,
          "typ": null,
          "max": 17,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW pin voltage, transient (recommended)",
          "symbol": "SW, transient < 10 ns",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -3,
          "typ": null,
          "max": 19,
          "conditions": "Transient < 10 ns",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN-SW voltage, DC (recommended)",
          "symbol": "VIN – SW, DC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.1,
          "typ": null,
          "max": 17,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN-SW voltage, transient (recommended)",
          "symbol": "VIN – SW, transient < 10 ns",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -3,
          "typ": null,
          "max": 19,
          "conditions": "Transient < 10 ns",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "BOOT pin voltage (recommended)",
          "symbol": "BOOT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.1,
          "typ": null,
          "max": 22.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "BOOT-SW voltage (recommended)",
          "symbol": "BOOT – SW",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.1,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN, FB pin voltage (recommended)",
          "symbol": "EN(1), FB",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.1,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature operating range (recommended)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN pin voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 19,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW pin voltage, DC (absolute maximum)",
          "symbol": "SW, DC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 19,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW pin voltage, transient (absolute maximum)",
          "symbol": "SW, Transient < 10 ns",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -3,
          "typ": null,
          "max": 21,
          "conditions": "Transient < 10 ns",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN-SW voltage, DC (absolute maximum)",
          "symbol": "VIN – SW, DC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 19,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN-SW voltage, transient (absolute maximum)",
          "symbol": "VIN – SW, Transient < 10 ns",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -3,
          "typ": null,
          "max": 21,
          "conditions": "Transient < 10 ns",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "BOOT pin voltage (absolute maximum)",
          "symbol": "BOOT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "BOOT-SW voltage (absolute maximum)",
          "symbol": "BOOT – SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN, FB pin voltage (absolute maximum)",
          "symbol": "EN, FB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature (absolute maximum)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (EVM board)",
          "symbol": "RθJA(EVM)",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 54,
          "max": null,
          "conditions": "Based on EVM board 60 mm x 45 mm, 2-layer; VIN = 12 V, VOUT = 5 V, IOUT = 4 A, TA = 25 ℃",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
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