ACT88320QI109-T

{
  "schema_version": 1,
  "type": "component",
  "slug": "act88320qi109-t",
  "title": "ACT88320QI109-T",
  "brief": "Qorvo Power Management - Specialized, QFN-32(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "act88320qi109-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ACT88320QI109-T",
    "manufacturer": "Qorvo",
    "package": "QFN-32(4x4)",
    "pin_count": 33,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Management - Specialized",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/1bac56ddfa148f8c62e8999492a8ff85.pdf",
    "parts": {
      "symbol": "act88320qi109-t.kicad_sym",
      "footprint": "act88320qi109-t.kicad_mod",
      "model_3d": "act88320qi109-t-hero.glb",
      "model_3d_plain": "act88320qi109-t-etched.glb",
      "model_3d_step": "act88320qi109-t-etched.step",
      "model_3d_step_plain": "act88320qi109-t.step",
      "lbr": "act88320qi109-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C19189760",
      "digikey": "2312-ACT88320QI109-TTR-ND",
      "mouser": "107-ACT88320QI109-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T00:18:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2312-ACT88320QI109-TTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "107-ACT88320QI109-T",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Dedicated VIN power input for BUCK3; connect the BUCK3 input capacitors (10uF to PGND) directly to pins 1 and 2."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Dedicated VIN power input for BUCK3; connect the BUCK3 input capacitors (10uF to PGND) directly to pins 1 and 2."
      },
      {
        "number": "3",
        "name": "SW_B3",
        "type": "power_out",
        "description": "Switch node pin for the BUCK3 regulator, connected directly to the buck inductor."
      },
      {
        "number": "4",
        "name": "OVSNS",
        "type": "input",
        "description": "Analog VIN+ input used to monitor input voltage and start the inrush control FET; connect to PGND if the inrush FET is not used (absolute maximum 22V)."
      },
      {
        "number": "5",
        "name": "OVSNS_M",
        "type": "input",
        "description": "Analog VIN- input used to monitor current in the external sense resistor RSNS (current limit threshold 85mV); connect to PGND if the inrush FET is not used."
      },
      {
        "number": "6",
        "name": "OVGATE",
        "type": "output",
        "description": "Gate drive for the inrush control FET, typically 8V above VIN, which requires a 12V n-channel FET."
      },
      {
        "number": "7",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for Buck3; connect the BUCK3 input capacitors directly to pins 7 and 8 and to the exposed pad."
      },
      {
        "number": "8",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for Buck3; connect the BUCK3 input capacitors directly to pins 7 and 8 and to the exposed pad."
      },
      {
        "number": "9",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data input and output, open drain and requires a pull-up resistor."
      },
      {
        "number": "10",
        "name": "SCL",
        "type": "input",
        "description": "I2C clock input."
      },
      {
        "number": "11",
        "name": "GPIO4 / DVS",
        "type": "input",
        "description": "GPIO configured as a dynamic voltage scaling (DVS) input in CMI 109; open-drain capable and 5.5V tolerant."
      },
      {
        "number": "12",
        "name": "GPIO3 / nIRQ",
        "type": "output",
        "description": "GPIO configured as an interrupt (nIRQ) open-drain output, needing a pull-up resistor."
      },
      {
        "number": "13",
        "name": "GPIO1 / nRESET",
        "type": "output",
        "description": "GPIO configured as an nRESET open-drain output, released 20ms after Buck3 is in regulation in CMI 109."
      },
      {
        "number": "14",
        "name": "GPIO2 / EXT_EN",
        "type": "output",
        "description": "GPIO configured as an open-drain output to enable an external power supply, going high 2.5ms after Buck2 is in regulation in CMI 109."
      },
      {
        "number": "15",
        "name": "VIO",
        "type": "power_in",
        "description": "Digital input reference/bias voltage that powers the GPIO pins; bypass with a 1uF capacitor between VIO and AGND."
      },
      {
        "number": "16",
        "name": "FB_B1",
        "type": "input",
        "description": "Feedback for the BUCK1 regulator; connect directly (Kelvin) to the Buck1 output capacitor."
      },
      {
        "number": "17",
        "name": "VIN",
        "type": "power_in",
        "description": "Dedicated VIN power input for BUCK1; connect the Buck1 input capacitors directly to pins 17 and 18."
      },
      {
        "number": "18",
        "name": "VIN",
        "type": "power_in",
        "description": "Dedicated VIN power input for BUCK1; connect the Buck1 input capacitors directly to pins 17 and 18."
      },
      {
        "number": "19",
        "name": "SW_B1",
        "type": "power_out",
        "description": "Switch pin for the BUCK1 regulator, connected directly to the buck inductor."
      },
      {
        "number": "20",
        "name": "SW_B1",
        "type": "power_out",
        "description": "Switch pin for the BUCK1 regulator, connected directly to the buck inductor."
      },
      {
        "number": "21",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for BUCK1 and BUCK2; connect the BUCK1 and BUCK2 input capacitors directly to this pin."
      },
      {
        "number": "22",
        "name": "SW_B2",
        "type": "power_out",
        "description": "Switch pin for the BUCK2 regulator, connected directly to the buck inductor."
      },
      {
        "number": "23",
        "name": "VIN",
        "type": "power_in",
        "description": "Dedicated VIN power input for BUCK2; connect the BUCK2 input capacitors directly to pins 23 and 24."
      },
      {
        "number": "24",
        "name": "VIN",
        "type": "power_in",
        "description": "Dedicated VIN power input for BUCK2; connect the BUCK2 input capacitors directly to pins 23 and 24."
      },
      {
        "number": "25",
        "name": "FB_B2",
        "type": "input",
        "description": "Feedback for the BUCK2 regulator; connect Kelvin to the Buck2 output capacitor."
      },
      {
        "number": "26",
        "name": "PWREN",
        "type": "input",
        "description": "Power enable digital input, referenced to AVIN and 5.5V tolerant, with a 10us bidirectional filter."
      },
      {
        "number": "27",
        "name": "AVIN",
        "type": "power_in",
        "description": "Dedicated VIN power input for LDO1 and LDO2 and analog VIN input; bypass to AGND with a 1uF ceramic capacitor."
      },
      {
        "number": "28",
        "name": "OUT_LDO2",
        "type": "power_out",
        "description": "Output of the LDO2 regulator (200mA); bypass to AGND with a 1uF capacitor."
      },
      {
        "number": "29",
        "name": "OUT_LDO1",
        "type": "power_out",
        "description": "Output of the LDO1 regulator (200mA); bypass to AGND with a 1uF capacitor."
      },
      {
        "number": "30",
        "name": "LSG1",
        "type": "output",
        "description": "Output1 load switch gate driver for an external n-channel FET with programmable 2.5uA to 10uA slew current and a 75 ohm pulldown when disabled."
      },
      {
        "number": "31",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground for the analog circuitry and LDOs; must be connected to the exposed pad."
      },
      {
        "number": "32",
        "name": "FB_B3",
        "type": "input",
        "description": "Feedback for the BUCK3 regulator; connect Kelvin to the Buck3 output capacitor."
      },
      {
        "number": "33",
        "name": "Exposed Pad",
        "type": "power_in",
        "description": "Exposed pad ground reference that must be soldered to the top layer ground plane, with all ground pins connected to it."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin-configuration figure labels pin 15 as VIN_IO while the pin table calls it VIO; the table nam; GPIO functions and directions are CMI-configurable. Types here follow the CMI 109 defaults (page 54); The exposed pad is listed as pin 33 in the pin table but is not numbered in the figure. The SW_Bx pi"
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        "at": "2026-10-24T00:17:54"
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        "pages": 57,
        "sha256": "2209f7c7460e5025",
        "source_tier": "lcsc"
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        "described": 33,
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  "metadata": {
    "specs": {
      "Manufacturer": "Qorvo",
      "Package": "QFN-32(4x4)",
      "Category": "Power Management (PMIC)",
      "Pins": "33"
    },
    "characteristics": {
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          "name": "Input Supply Voltage Range AVIN",
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          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
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          "max": 5.5,
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        {
          "name": "UVLO Threshold Falling",
          "symbol": "",
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          "min": 2.5,
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        {
          "name": "OV Threshold Rising",
          "symbol": "",
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          "unit": "V",
          "min": 5.5,
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          "name": "OV Hysteresis",
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        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "",
          "kind": "electrical",
          "unit": "°C",
          "min": 140,
          "typ": 160,
          "max": 180,
          "conditions": "Temperature rising",
          "source_page": 9,
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        },
        {
          "name": "Oscillator Frequency",
          "symbol": "",
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          "unit": "MHz",
          "min": 2.13,
          "typ": 2.25,
          "max": 2.37,
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        {
          "name": "Operating Supply Current, all regulators disabled",
          "symbol": "",
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          "unit": "µA",
          "min": null,
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          "max": 10,
          "conditions": "All Regulators Disabled",
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        },
        {
          "name": "Operating Supply Current, all regulators enabled",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "All Regulators Enabled but no load",
          "source_page": 9,
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        },
        {
          "name": "Buck1 Output Voltage Accuracy PWM",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VOUT_B1 = default CMI voltage, continuous PWM mode",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Buck1 Output Voltage Accuracy PFM",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "VOUT_B1 = default CMI voltage, PFM mode",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Buck1 Current Limit, Cycle-by-Cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 4.14,
          "typ": 4.6,
          "max": 5.06,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Buck1 PMOS On-Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 40,
          "max": 50,
          "conditions": "ISW = -1A, VIN = 5.0V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Buck1 NMOS On-Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 16,
          "max": 25,
          "conditions": "ISW = 1A, VIN = 5.0V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Buck1 Power Good Threshold",
          "symbol": "",
          "kind": "electrical",
          "unit": "%VNOM",
          "min": 90,
          "typ": 92.5,
          "max": 95,
          "conditions": "VOUT_B1 Rising",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Buck1 Soft-Start Period",
          "symbol": "Tset",
          "kind": "timing",
          "unit": "µs",
          "min": 480,
          "typ": null,
          "max": 600,
          "conditions": "10% to 90% VNOM",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Buck2-3 Output Voltage Accuracy",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VOUTx = default CMI voltage, IOUTx = 1A (continuous PWM mode)",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Buck2-3 Current Limit, Cycle-by-Cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 2.7,
          "typ": 3,
          "max": 3.3,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Buck2-3 Power Good Threshold",
          "symbol": "",
          "kind": "electrical",
          "unit": "%VNOM",
          "min": 90,
          "typ": 92.5,
          "max": 95,
          "conditions": "VOUTx Rising",
          "source_page": 14,
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        },
        {
          "name": "LDO Output Voltage Accuracy",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "AVIN - VLDOx_OUT > 0.4V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "LDO Output Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 180,
          "typ": 200,
          "max": null,
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        {
          "name": "Overcurrent Shutdown Threshold (inrush)",
          "symbol": "",
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          "unit": "mV",
          "min": 70,
          "typ": 85,
          "max": 100,
          "conditions": "Voltage across current sense resistor",
          "source_page": 11,
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        {
          "name": "Absolute Max: All Pins to AGND and PGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
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        {
          "name": "Absolute Max: OVSNS, OVSNS_M to PGND",
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        {
          "name": "Absolute Max: OVGATE to VIN",
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          "unit": "V",
          "min": -0.3,
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        {
          "name": "Absolute Max: VIN to PGND",
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          "min": -0.3,
          "typ": null,
          "max": 6,
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        {
          "name": "Operating Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 7,
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        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 7,
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        {
          "name": "Junction to Ambient Thermal Resistance",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 26.5,
          "max": null,
          "conditions": "Measured on Active-Semi Evaluation Kit",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Junction to Case Thermal Resistance",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 13.1,
          "max": null,
          "conditions": "Measured on Active-Semi Evaluation Kit",
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