AFE031AIRGZT

{
  "schema_version": 1,
  "type": "component",
  "slug": "afe031airgzt",
  "title": "AFE031AIRGZT",
  "brief": "Texas Instruments Analog Front End (AFE), VQFN-48-EP(7x7). 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",
    "data acquisition",
    "afe031airgzt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AFE031AIRGZT",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Data Acquisition",
    "subcategory": "Analog Front End (AFE)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/afe031",
    "parts": {
      "symbol": "afe031airgzt.kicad_sym",
      "footprint": "afe031airgzt.kicad_mod",
      "model_3d": "afe031airgzt-hero.glb",
      "model_3d_plain": "afe031airgzt.glb",
      "model_3d_step": "afe031airgzt-etched.step",
      "model_3d_step_plain": "afe031airgzt.step",
      "lbr": "afe031airgzt.lbr"
    },
    "distributor_links": {
      "lcsc": "C555158",
      "digikey": "296-29692-2-ND",
      "mouser": "595-AFE031AIRGZT"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T02:55:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-29692-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-AFE031AIRGZT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground connection."
      },
      {
        "number": "2",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply voltage input, 3.3V nominal, maximum 5.5V."
      },
      {
        "number": "3",
        "name": "SCLK",
        "type": "input",
        "description": "SPI serial clock input for controlling serial interface communications."
      },
      {
        "number": "4",
        "name": "DIN",
        "type": "input",
        "description": "SPI digital input data line for serial communication."
      },
      {
        "number": "5",
        "name": "DOUT",
        "type": "output",
        "description": "SPI digital output data line for serial communication."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "SPI chip select input, active low to enable serial communication."
      },
      {
        "number": "7",
        "name": "DAC",
        "type": "input",
        "description": "DAC mode select input; high selects DAC register access, low selects Command/Data register access."
      },
      {
        "number": "8",
        "name": "SD",
        "type": "input",
        "description": "System shutdown input; high place device in lowest-power mode drawing 95 μA, low enables normal operation."
      },
      {
        "number": "9",
        "name": "INT",
        "type": "output",
        "description": "Interrupt output signaled low on current overload or thermal limit condition when enabled in Control2 Register."
      },
      {
        "number": "10",
        "name": "TSENSE",
        "type": "passive",
        "description": "Temperature sensing diode anode internally connected to PA output stage for remote junction temperature measurement."
      },
      {
        "number": "11",
        "name": "AVDD1",
        "type": "power_in",
        "description": "Analog supply voltage input for low-voltage analog circuits, maximum 5.5V."
      },
      {
        "number": "12",
        "name": "AGND1",
        "type": "power_in",
        "description": "Analog ground connection for low-voltage analog circuits."
      },
      {
        "number": "13",
        "name": "Tx_PGA_IN",
        "type": "input",
        "description": "Transmit path programmable gain amplifier input."
      },
      {
        "number": "14",
        "name": "Tx_PGA_OUT",
        "type": "output",
        "description": "Transmit path programmable gain amplifier output with gain selection of 0.25, 0.5, 0.707, or 1 V/V."
      },
      {
        "number": "15",
        "name": "Tx_F_IN1",
        "type": "input",
        "description": "Transmit filter input 1 for differential or single-ended input configuration."
      },
      {
        "number": "16",
        "name": "Tx_F_IN2",
        "type": "input",
        "description": "Transmit filter input 2 for differential or single-ended input configuration."
      },
      {
        "number": "17",
        "name": "Tx_F_OUT",
        "type": "output",
        "description": "Transmit filter output from the transmit signal path processing chain."
      },
      {
        "number": "18",
        "name": "PA_IN",
        "type": "input",
        "description": "Power amplifier input signal connected to transmit filter output."
      },
      {
        "number": "19",
        "name": "REF1",
        "type": "passive",
        "description": "Power amplifier noise reducing capacitor pin for bias network stabilization."
      },
      {
        "number": "20",
        "name": "Rx_PGA2_OUT",
        "type": "output",
        "description": "Receiver PGA2 output with programmable gain of 1, 4, 16, or 64 V/V."
      },
      {
        "number": "21",
        "name": "Rx_PGA2_IN",
        "type": "input",
        "description": "Receiver PGA2 input from receiver filter output."
      },
      {
        "number": "22",
        "name": "Rx_F_OUT",
        "type": "output",
        "description": "Receiver filter output from programmable bandpass filter processing."
      },
      {
        "number": "23",
        "name": "Rx_C2",
        "type": "passive",
        "description": "Receiver external frequency select capacitor connection for tuning receiver filter center frequency."
      },
      {
        "number": "24",
        "name": "Rx_C1",
        "type": "passive",
        "description": "Receiver external frequency select capacitor connection for tuning receiver filter center frequency."
      },
      {
        "number": "25",
        "name": "Rx_F_IN",
        "type": "input",
        "description": "Receiver filter input from receiver PGA1 output."
      },
      {
        "number": "26",
        "name": "Rx_PGA1_OUT",
        "type": "output",
        "description": "Receiver PGA1 output with programmable gain of 0.25, 0.5, 1, or 2 V/V."
      },
      {
        "number": "27",
        "name": "Rx_PGA1_IN",
        "type": "input",
        "description": "Receiver PGA1 input with voltage limit of ±10V and input range AGND minus 0.4V to AVDD plus 0.4V."
      },
      {
        "number": "28",
        "name": "REF2",
        "type": "passive",
        "description": "Receiver noise reducing capacitor pin for bias network stabilization of receiver and two-wire blocks."
      },
      {
        "number": "29",
        "name": "AGND2",
        "type": "power_in",
        "description": "Analog ground connection for low-voltage analog circuits."
      },
      {
        "number": "30",
        "name": "AVDD2",
        "type": "power_in",
        "description": "Analog supply voltage input for low-voltage analog circuits, maximum 5.5V."
      },
      {
        "number": "31",
        "name": "E_Rx_OUT",
        "type": "output",
        "description": "Two-wire receiver output for low-speed communication channel."
      },
      {
        "number": "32",
        "name": "E_Rx_IN",
        "type": "input",
        "description": "Two-wire receiver input for low-speed communication channel reception."
      },
      {
        "number": "33",
        "name": "E_Tx_OUT",
        "type": "output",
        "description": "Two-wire transmitter output for low-speed communication channel transmission."
      },
      {
        "number": "34",
        "name": "E_Tx_IN",
        "type": "input",
        "description": "Two-wire transmitter input data for low-speed communication transmission."
      },
      {
        "number": "35",
        "name": "E_Tx_CLK",
        "type": "input",
        "description": "Two-wire transmitter clock input for synchronizing low-speed communication transmission."
      },
      {
        "number": "36",
        "name": "ZC_OUT2",
        "type": "output",
        "description": "Zero crossing detector output 2 from second independent zero-crossing detection circuit."
      },
      {
        "number": "37",
        "name": "ZC_OUT1",
        "type": "output",
        "description": "Zero crossing detector output 1 from first independent zero-crossing detection circuit."
      },
      {
        "number": "38",
        "name": "ZC_IN2",
        "type": "input",
        "description": "Zero crossing detector input 2 for detection of AC mains zero-crossing point."
      },
      {
        "number": "39",
        "name": "ZC_IN1",
        "type": "input",
        "description": "Zero crossing detector input 1 for detection of AC mains zero-crossing point."
      },
      {
        "number": "40",
        "name": "PA_GND2",
        "type": "power_in",
        "description": "Power amplifier ground connection for high-current output return path."
      },
      {
        "number": "41",
        "name": "PA_GND1",
        "type": "power_in",
        "description": "Power amplifier ground connection for high-current output return path."
      },
      {
        "number": "42",
        "name": "PA_OUT2",
        "type": "output",
        "description": "Power amplifier output 2 capable of delivering maximum 1.5A current into low-impedance load."
      },
      {
        "number": "43",
        "name": "PA_OUT1",
        "type": "output",
        "description": "Power amplifier output 1 capable of delivering maximum 1.5A current into low-impedance load."
      },
      {
        "number": "44",
        "name": "PA_VS2",
        "type": "power_in",
        "description": "Power amplifier supply voltage input; operating range 7V to 24V, maximum 26V, for high-current output stage."
      },
      {
        "number": "45",
        "name": "PA_VS1",
        "type": "power_in",
        "description": "Power amplifier supply voltage input; operating range 7V to 24V, maximum 26V, for high-current output stage."
      },
      {
        "number": "46",
        "name": "PA_ISET",
        "type": "passive",
        "description": "Power amplifier output current limit set resistor connection for programming maximum output current limit."
      },
      {
        "number": "47",
        "name": "Tx_FLAG",
        "type": "tri_state",
        "description": "Open-drain transmitter ready flag output; high indicates transmit signal path enabled and ready for transmission."
      },
      {
        "number": "48",
        "name": "Rx_FLAG",
        "type": "tri_state",
        "description": "Open-drain receiver ready flag output; high indicates receiver signal path enabled and ready for reception."
      },
      {
        "number": "49",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 20,
        "cost_usd": 0.2124,
        "at": "2026-10-07T02:54:52"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/afe031",
        "pages": 62,
        "sha256": "2abe82e0370704d0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "afe031airgzt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          7,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "afe031airgzt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "caa2e3b895319347e0563393bc86a14e3e645f747d60fdfe7810e1c5a542ad98",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-48-EP(7x7)",
      "Category": "Data Acquisition",
      "Pins": "49"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "afe031airgzt"
  ],
  "discovery_pitch": "AFE031AIRGZT (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}