FP6277XR-G1

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  "slug": "fp6277xr-g1",
  "title": "FP6277XR-G1",
  "brief": "Advanced Analog Technology DC-DC Converters, SOP-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
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    "mpn": "FP6277XR-G1",
    "manufacturer": "Advanced Analog Technology",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/1285d53c556f4099a28b807bfc498017.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "LX",
        "type": "power_out",
        "description": "Power switch output. Internally tied to the drain of the integrated high-side/low-side MOSFETs; connect to the boost inductor. Absolute max VLX = 7 V. Pins 1 and 2 are tied together internally and must both be connected."
      },
      {
        "number": "2",
        "name": "LX",
        "type": "power_out",
        "description": "Power switch output (second LX pin, internally tied to pin 1). Connect together with pin 1 to the boost inductor node. Absolute max VLX = 7 V."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "IC power supply input. Operating range 2.4 V-4.5 V (absolute max 6 V). Bypass to GND with a low-ESR ceramic capacitor."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable control, active high. VEN ≥ 0.96 V enables the converter; VEN ≤ 0.6 V places the part in shutdown (ICC ≈ 0.1 µA). Do not leave floating."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "IC signal/analog ground. Must be tied to the exposed pad (PGND) and to the system ground plane."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Error-amplifier inverting input (feedback). Regulated to the internal 0.6 V reference (VREF = 0.588 V-0.612 V). Connect to a resistor divider from VOUT to set the output voltage: VOUT = 0.6 V × (1 + R_top/R_bot)."
      },
      {
        "number": "7",
        "name": "OC",
        "type": "input",
        "description": "Adjustable current-limit setting. Connect a resistor from OC to GND to program the cycle-by-cycle switch current limit (typ. IOCP = 7 A; see Ocset Resistance vs Current Limit curve). Resistor must return to ground."
      },
      {
        "number": "8",
        "name": "VO",
        "type": "power_in",
        "description": "Output voltage sense pin. Connect to the boost converter output rail; used internally by the MUX/bulk-well switch and load-disconnect circuitry. Absolute max 6 V."
      },
      {
        "number": "9",
        "name": "PGND",
        "type": "power_in",
        "description": "Exposed thermal pad / power ground. Must be soldered to the PCB ground plane and connected to GND (pin 5) for proper operation and heat dissipation.",
        "source": "renumbered-to-footprint-pad"
      }
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        "described": 9,
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    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
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      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",
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  "metadata": {
    "specs": {
      "Manufacturer": "Advanced Analog Technology",
      "Package": "SOP-8-EP",
      "Category": "PMIC",
      "Pins": "9"
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        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
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          "max": 4.5,
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        {
          "name": "Operating Temperature Range",
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          "unit": "°C",
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        {
          "name": "Feedback Voltage",
          "symbol": "VREF",
          "kind": "electrical",
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          "min": 0.588,
          "typ": 0.6,
          "max": 0.612,
          "conditions": "VIN=4.5V",
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        {
          "name": "LX Voltage",
          "symbol": "VLX",
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        {
          "name": "Operating Temperature",
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        {
          "name": "Storage Temperature",
          "symbol": "TST",
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          "unit": "°C",
          "min": -65,
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  "updated_at": "2026-09-24T20:45:21.304Z"
}