A6727TR

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  "slug": "a6727tr",
  "title": "A6727TR",
  "brief": "STMicroelectronics DC-DC Converters, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "A6727TR",
    "manufacturer": "STMicroelectronics",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.st.com/resource/en/datasheet/a6727tr.pdf",
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    "distributor_links": {
      "lcsc": "C2658518",
      "digikey": "497-14008-2-ND",
      "mouser": "511-A6727TR"
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    "distributor_check": {
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    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "power_in",
        "description": "HS driver supply, to be connected through a 100 μF capacitor to the floating node (LS drain) pin with a bootstrap diode provided."
      },
      {
        "number": "2",
        "name": "UGATE",
        "type": "output",
        "description": "HS driver output, connected to the high-side MOSFET gate."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Common reference for all internal references, logic and drivers, to be connected to the PCB ground plane."
      },
      {
        "number": "4",
        "name": "LGATE",
        "type": "output",
        "description": "LS driver output, connected to the low-side MOSFET gate."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Device and LS driver supply with operative range from 4.1 V to 13.2 V, to be filtered with at least 1 μF MLCC to GND."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Error amplifier inverting input, connected to the regulated output through RFB, with optional ROS to GND for voltages above the 0.8 V reference."
      },
      {
        "number": "7",
        "name": "COMP / DIS / OC",
        "type": "bidirectional",
        "description": "Error amplifier output (COMP) connected to FB through an RF-CF//CP network; DIS disables the device when forced below 0.5 V (typ.); OC sets the overcurrent threshold through ROCSET connected to VCC only when VCC is 5 V."
      },
      {
        "number": "8",
        "name": "PHASE",
        "type": "passive",
        "description": "HS driver return path, current sense and adaptive deadtime monitor, connected to the LS drain to sense the RDS(on) drop for output current measurement."
      }
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        "pages": 29,
        "sha256": "649dc4b46f5bb570",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
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  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SO-8",
      "Category": "Power Management ICs",
      "Pins": "8"
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        {
          "name": "Device supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
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          "min": 4.1,
          "typ": null,
          "max": 13.2,
          "conditions": "See Figure 1",
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        {
          "name": "Conversion input voltage",
          "symbol": "VIN",
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        {
          "name": "Conversion input voltage",
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        {
          "name": "Main oscillator accuracy",
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        {
          "name": "Main oscillator accuracy",
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          "min": 250,
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        {
          "name": "Maximum duty cycle",
          "symbol": "dMAX",
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          "unit": "%",
          "min": null,
          "typ": null,
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          "name": "Output voltage accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VOUT = 0.8 V, TA = 25 °C",
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        {
          "name": "Output voltage accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "VOUT = 0.8 V",
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        {
          "name": "Input bias current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Sourced from FB",
          "source_page": 7,
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        {
          "name": "Disable threshold",
          "symbol": "DIS",
          "kind": "electrical",
          "unit": "V",
          "min": 0.43,
          "typ": 0.5,
          "max": null,
          "conditions": "COMP falling",
          "source_page": 7,
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        },
        {
          "name": "HS source current",
          "symbol": "IUGATE",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "BOOT - PHASE = 5 V to 12 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "HS sink resistance",
          "symbol": "RUGATE",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1.1,
          "max": null,
          "conditions": "BOOT - PHASE = 5 V to 12 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "LS source current",
          "symbol": "ILGATE",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "VCC = 5 V to 12 V",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "LS sink resistance",
          "symbol": "RLGATE",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.65,
          "max": null,
          "conditions": "VCC = 5 V to 12 V",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "OCSET current source",
          "symbol": "IOCSET",
          "kind": "electrical",
          "unit": "μA",
          "min": 55,
          "typ": 60,
          "max": 65,
          "conditions": "TA = 25 °C; Sunk from COMP pin, before SS",
          "source_page": 8,
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        {
          "name": "OCSET current source",
          "symbol": "IOCSET",
          "kind": "electrical",
          "unit": "μA",
          "min": 52,
          "typ": 60,
          "max": 68,
          "conditions": "",
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        {
          "name": "OC switch-over threshold",
          "symbol": "VCC_OC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "VCC rising",
          "source_page": 8,
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        {
          "name": "Fixed OC threshold",
          "symbol": "VOC_TH",
          "kind": "electrical",
          "unit": "mV",
          "min": -400,
          "typ": null,
          "max": null,
          "conditions": "VPHASE to GND, VCC > VCC_OC",
          "source_page": 8,
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        {
          "name": "OVP threshold",
          "symbol": "OVP",
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          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "FB rising",
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          "name": "UVP threshold",
          "symbol": "UVP",
          "kind": "electrical",
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          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "FB falling",
          "source_page": 8,
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        },
        {
          "name": "Thermal resistance junction-to-ambient",
          "symbol": "Rth(JA)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 85,
          "conditions": "Mounted on 2S2P board in free air",
          "source_page": 6,
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        {
          "name": "Maximum junction temperature",
          "symbol": "TMAX",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
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        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
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          "name": "Junction temperature range",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "VCC to GND",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 15,
          "conditions": "to GND",
          "source_page": 6,
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        {
          "name": "VBOOT to PHASE",
          "symbol": "VBOOT",
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          "unit": "V",
          "min": null,
          "typ": null,
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          "conditions": "to PHASE",
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        {
          "name": "VBOOT to GND",
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        {
          "name": "VUGATE to GND",
          "symbol": "VUGATE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "to GND; max VBOOT + 0.3",
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        {
          "name": "VUGATE to PHASE",
          "symbol": "VUGATE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "to PHASE; max (VBOOT - VPHASE) + 0.3",
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        {
          "name": "VUGATE to PHASE, t < 50 ns",
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          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
          "max": null,
          "conditions": "to PHASE; t < 50 ns",
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        {
          "name": "VPHASE to GND",
          "symbol": "VPHASE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8,
          "typ": null,
          "max": 30,
          "conditions": "to GND",
          "source_page": 6,
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        {
          "name": "VLGATE to GND",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
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          "conditions": "to GND; max VCC + 0.3",
          "source_page": 6,
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        {
          "name": "VLGATE to GND, t < 50 ns",
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          "typ": null,
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          "conditions": "to GND; t < 50 ns",
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        {
          "name": "COMP to GND",
          "symbol": "COMP",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
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          "conditions": "to GND",
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        {
          "name": "FB to GND",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
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          "conditions": "to GND",
          "source_page": 6,
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          "name": "UVLO VCC turn-on",
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          "source_page": 7,
          "source": "datasheet"
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          "name": "UVLO hysteresis",
          "symbol": "UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "Hysteresis",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "PWM ramp amplitude",
          "symbol": "DVOSC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "",
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          "name": "DC gain",
          "symbol": "A0",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "Guaranteed by design, not to be tested",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Gain-bandwidth product",
          "symbol": "GBWP",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "Guaranteed by design, not to be tested",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Slew rate",
          "symbol": "SR",
          "kind": "electrical",
          "unit": "V/μs",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "Guaranteed by design, not to be tested",
          "source_page": 7,
          "source": "datasheet"
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