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AFE031AIRGZT
Public Made by Adomby adom
Texas Instruments Analog Front End (AFE), VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+86@@ -0,0 +1,86 @@+# AFE031AIRGZT++**Texas Instruments** · Analog Front End (AFE) · VQFN-48-EP(7x7)++AFE031AIRGZT from Texas Instruments, in a VQFN-48-EP(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | DGND | power_in | Digital ground connection. |+| 2 | DVDD | power_in | Digital supply voltage input, 3.3V nominal, maximum 5.5V. |+| 3 | SCLK | input | SPI serial clock input for controlling serial interface communications. |+| 4 | DIN | input | SPI digital input data line for serial communication. |+| 5 | DOUT | output | SPI digital output data line for serial communication. |+| 6 | CS | input | SPI chip select input, active low to enable serial communication. |+| 7 | DAC | input | DAC mode select input; high selects DAC register access, low selects Command/Data register access. |+| 8 | SD | input | System shutdown input; high place device in lowest-power mode drawing 95 μA, low enables normal operation. |+| 9 | INT | output | Interrupt output signaled low on current overload or thermal limit condition when enabled in Control2 Register. |+| 10 | TSENSE | passive | Temperature sensing diode anode internally connected to PA output stage for remote junction temperature measurement. |+| 11 | AVDD1 | power_in | Analog supply voltage input for low-voltage analog circuits, maximum 5.5V. |+| 12 | AGND1 | power_in | Analog ground connection for low-voltage analog circuits. |+| 13 | Tx_PGA_IN | input | Transmit path programmable gain amplifier input. |+| 14 | Tx_PGA_OUT | output | Transmit path programmable gain amplifier output with gain selection of 0.25, 0.5, 0.707, or 1 V/V. |+| 15 | Tx_F_IN1 | input | Transmit filter input 1 for differential or single-ended input configuration. |+| 16 | Tx_F_IN2 | input | Transmit filter input 2 for differential or single-ended input configuration. |+| 17 | Tx_F_OUT | output | Transmit filter output from the transmit signal path processing chain. |+| 18 | PA_IN | input | Power amplifier input signal connected to transmit filter output. |+| 19 | REF1 | passive | Power amplifier noise reducing capacitor pin for bias network stabilization. |+| 20 | Rx_PGA2_OUT | output | Receiver PGA2 output with programmable gain of 1, 4, 16, or 64 V/V. |+| 21 | Rx_PGA2_IN | input | Receiver PGA2 input from receiver filter output. |+| 22 | Rx_F_OUT | output | Receiver filter output from programmable bandpass filter processing. |+| 23 | Rx_C2 | passive | Receiver external frequency select capacitor connection for tuning receiver filter center frequency. |+| 24 | Rx_C1 | passive | Receiver external frequency select capacitor connection for tuning receiver filter center frequency. |+| 25 | Rx_F_IN | input | Receiver filter input from receiver PGA1 output. |+| 26 | Rx_PGA1_OUT | output | Receiver PGA1 output with programmable gain of 0.25, 0.5, 1, or 2 V/V. |+| 27 | Rx_PGA1_IN | input | Receiver PGA1 input with voltage limit of ±10V and input range AGND minus 0.4V to AVDD plus 0.4V. |+| 28 | REF2 | passive | Receiver noise reducing capacitor pin for bias network stabilization of receiver and two-wire blocks. |+| 29 | AGND2 | power_in | Analog ground connection for low-voltage analog circuits. |+| 30 | AVDD2 | power_in | Analog supply voltage input for low-voltage analog circuits, maximum 5.5V. |+| 31 | E_Rx_OUT | output | Two-wire receiver output for low-speed communication channel. |+| 32 | E_Rx_IN | input | Two-wire receiver input for low-speed communication channel reception. |+| 33 | E_Tx_OUT | output | Two-wire transmitter output for low-speed communication channel transmission. |+| 34 | E_Tx_IN | input | Two-wire transmitter input data for low-speed communication transmission. |+| 35 | E_Tx_CLK | input | Two-wire transmitter clock input for synchronizing low-speed communication transmission. |+| 36 | ZC_OUT2 | output | Zero crossing detector output 2 from second independent zero-crossing detection circuit. |+| 37 | ZC_OUT1 | output | Zero crossing detector output 1 from first independent zero-crossing detection circuit. |+| 38 | ZC_IN2 | input | Zero crossing detector input 2 for detection of AC mains zero-crossing point. |+| 39 | ZC_IN1 | input | Zero crossing detector input 1 for detection of AC mains zero-crossing point. |+| 40 | PA_GND2 | power_in | Power amplifier ground connection for high-current output return path. |+| 41 | PA_GND1 | power_in | Power amplifier ground connection for high-current output return path. |+| 42 | PA_OUT2 | output | Power amplifier output 2 capable of delivering maximum 1.5A current into low-impedance load. |+| 43 | PA_OUT1 | output | Power amplifier output 1 capable of delivering maximum 1.5A current into low-impedance load. |+| 44 | PA_VS2 | power_in | Power amplifier supply voltage input; operating range 7V to 24V, maximum 26V, for high-current output stage. |+| 45 | PA_VS1 | power_in | Power amplifier supply voltage input; operating range 7V to 24V, maximum 26V, for high-current output stage. |+| 46 | PA_ISET | passive | Power amplifier output current limit set resistor connection for programming maximum output current limit. |+| 47 | Tx_FLAG | tri_state | Open-drain transmitter ready flag output; high indicates transmit signal path enabled and ready for transmission. |+| 48 | Rx_FLAG | tri_state | Open-drain receiver ready flag output; high indicates receiver signal path enabled and ready for reception. |+| 49 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-48-EP(7x7) |+| Category | Data Acquisition |+| Pins | 49 |++## CAD (KiCad official)++- Symbol: `AFE031AIRGZT`+- Footprint: `Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm`+- 3D model: VQFN-48-EP(7x7) (KiCad packages3D, STEP)+- 3D model files: `afe031airgzt-etched.step` / `afe031airgzt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `afe031airgzt.step` / `afe031airgzt.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/afe031) (62 pp, sha256 `2abe82e0370704d0`, retrieved 2026-10-07, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/afe031airgzt-datasheet.pdf)
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"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,+ 0.77+ ],+ "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": [+ 7,+ 7,+ 0.77+ ],+ "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)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}