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ST25R3915-AQFT
Public Made by Adomby adom
STMicroelectronics RFID ICs, QFN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+69@@ -0,0 +1,69 @@+# ST25R3915-AQFT++**STMicroelectronics** · RFID ICs · QFN-32(5x5)++ST25R3915-AQFT from STMicroelectronics, in a QFN-32(5x5). 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 | VDD_IO | power_in | Positive supply for peripheral communication, operating range 1.65 to 5.5 V. |+| 2 | CSO | output | Capacitive sensor output; pin is in the 3 V domain with an operating voltage range of -0.5 to 3.6 V. |+| 3 | VSP_D | power_out | Digital supply regulator output; pin is in the 3 V domain with an operating voltage range of -0.5 to 3.6 V. |+| 4 | XTO | output | Crystal oscillator output; supports a 13.56 or 27.12 MHz crystal with fast start-up. |+| 5 | XTI | input | Crystal oscillator input; supports a 13.56 or 27.12 MHz crystal, and the pin is limited to -0.5 to 3.6 V. |+| 6 | VSN_D | power_in | Digital ground, nominally 0 V. |+| 7 | VSP_A | power_out | Analog supply regulator output; pin is in the 3 V domain with an operating voltage range of -0.5 to 3.6 V. |+| 8 | VDD | power_in | External positive supply, operating range 2.4 to 5.5 V (absolute maximum 6.0 V). |+| 9 | VSP_RF | power_out | Supply regulator output for the antenna drivers; pin is in the 5 V domain with an operating voltage range of -0.5 to 5.5 V. |+| 10 | RFO1 | output | Antenna driver output 1 (differential or single-ended), with a driver current of 0 to 500 mA and a 5 V domain limit of -0.5 to 5.5 V. |+| 11 | RFO2 | output | Antenna driver output 2 (differential or single-ended), with a driver current of 0 to 500 mA and a 5 V domain limit of -0.5 to 5.5 V. |+| 12 | VSN_RF | power_in | Ground of the antenna drivers, nominally 0 V. |+| 13 | TRIM1_3 / NC | unconnected | Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914. |+| 14 | TRIM2_3 / NC | unconnected | Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914. |+| 15 | TRIM1_2 / NC | unconnected | Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914. |+| 16 | TRIM2_2 / NC | unconnected | Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914. |+| 17 | TRIM1_1 / NC | unconnected | Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914. |+| 18 | TRIM2_1 / NC | unconnected | Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914. |+| 19 | TRIM1_0 / NC | unconnected | Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914. |+| 20 | TRIM2_0 / NC | unconnected | Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914. |+| 21 | VSS | power_in | Ground and die substrate potential, 0 V. |+| 22 | RFI1 | input | Receiver input 1; RFI amplitude 0.150 to 3 Vpp for NFC receive, with 2.5 Vpp recommended in HF reader and NFC transmit modes. |+| 23 | RFI2 | input | Receiver input 2; RFI amplitude 0.150 to 3 Vpp for NFC receive, with 2.5 Vpp recommended in HF reader and NFC transmit modes. |+| 24 | AGD | bidirectional | Analog reference voltage; pin is in the 3 V domain with an operating voltage range of -0.5 to 3.6 V. |+| 25 | CSI | input | Capacitive sensor input; pin is in the 3 V domain with an operating voltage range of -0.5 to 3.6 V. |+| 26 | VSN_A | power_in | Analog ground, nominally 0 V. |+| 27 | IRQ | output | Interrupt request output; peripheral IO pin with an operating voltage range of -0.5 to 5.5 V. |+| 28 | MCU_CLK | output | Microcontroller clock output; peripheral IO pin with an operating voltage range of -0.5 to 5.5 V. |+| 29 | MISO | tri_state | Serial Peripheral Interface data output, tri-stateable; peripheral IO pin with an operating voltage range of -0.5 to 5.5 V. |+| 30 | MOSI | input | Serial Peripheral Interface data input; CMOS input with an operating voltage range of -0.5 to 5.5 V. |+| 31 | SCLK | input | Serial Peripheral Interface clock input; CMOS input with an operating voltage range of -0.5 to 5.5 V. |+| 32 | /SS | input | Serial Peripheral Interface enable, active low; CMOS input with an operating voltage range of -0.5 to 5.5 V. |+| 33 | VSS | power_in | Exposed pad: ground and die substrate potential, to be connected to VSS on the PCB. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | QFN-32(5x5) |+| Category | RF And Wireless |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `ST25R3915-AQFT`+- Footprint: `Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm`+- 3D model: QFN-32(5x5) (KiCad packages3D, STEP)+- 3D model files: `st25r3915-aqft-etched.step` / `st25r3915-aqft-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `st25r3915-aqft.step` / `st25r3915-aqft.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590418057009913856) (128 pp, sha256 `3a63adf1e0f82121`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/st25r3915-aqft-datasheet.pdf)
page.jsonadded+351@@ -0,0 +1,351 @@+{+ "slug": "st25r3915-aqft",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics RFID ICs, QFN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "rf and wireless",+ "st25r3915-aqft",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "st25r3915-aqft.kicad_sym",+ "st25r3915-aqft.kicad_mod",+ "st25r3915-aqft.glb",+ "st25r3915-aqft.step",+ "st25r3915-aqft.lbr",+ "docs/hero.png",+ "docs/st25r3915-aqft-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "st25r3915-aqft-hero.glb",+ "st25r3915-aqft-hero.overlay.json"+ ],+ "component": {+ "mpn": "ST25R3915-AQFT",+ "manufacturer": "STMicroelectronics",+ "package": "QFN-32(5x5)",+ "pin_count": 33,+ "category": "RF And Wireless",+ "subcategory": "RFID ICs",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590418057009913856",+ "parts": {+ "symbol": "st25r3915-aqft.kicad_sym",+ "footprint": "st25r3915-aqft.kicad_mod",+ "model_3d": "st25r3915-aqft-hero.glb",+ "model_3d_plain": "st25r3915-aqft.glb",+ "model_3d_step": "st25r3915-aqft-etched.step",+ "model_3d_step_plain": "st25r3915-aqft.step",+ "lbr": "st25r3915-aqft.lbr"+ },+ "distributor_links": {+ "lcsc": "C3304175",+ "digikey": "497-17182-2-ND",+ "mouser": "511-ST25R3915-AQFT"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T18:05:12Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-17182-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "511-ST25R3915-AQFT",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD_IO",+ "type": "power_in",+ "description": "Positive supply for peripheral communication, operating range 1.65 to 5.5 V."+ },+ {+ "number": "2",+ "name": "CSO",+ "type": "output",+ "description": "Capacitive sensor output; pin is in the 3 V domain with an operating voltage range of -0.5 to 3.6 V."+ },+ {+ "number": "3",+ "name": "VSP_D",+ "type": "power_out",+ "description": "Digital supply regulator output; pin is in the 3 V domain with an operating voltage range of -0.5 to 3.6 V."+ },+ {+ "number": "4",+ "name": "XTO",+ "type": "output",+ "description": "Crystal oscillator output; supports a 13.56 or 27.12 MHz crystal with fast start-up."+ },+ {+ "number": "5",+ "name": "XTI",+ "type": "input",+ "description": "Crystal oscillator input; supports a 13.56 or 27.12 MHz crystal, and the pin is limited to -0.5 to 3.6 V."+ },+ {+ "number": "6",+ "name": "VSN_D",+ "type": "power_in",+ "description": "Digital ground, nominally 0 V."+ },+ {+ "number": "7",+ "name": "VSP_A",+ "type": "power_out",+ "description": "Analog supply regulator output; pin is in the 3 V domain with an operating voltage range of -0.5 to 3.6 V."+ },+ {+ "number": "8",+ "name": "VDD",+ "type": "power_in",+ "description": "External positive supply, operating range 2.4 to 5.5 V (absolute maximum 6.0 V)."+ },+ {+ "number": "9",+ "name": "VSP_RF",+ "type": "power_out",+ "description": "Supply regulator output for the antenna drivers; pin is in the 5 V domain with an operating voltage range of -0.5 to 5.5 V."+ },+ {+ "number": "10",+ "name": "RFO1",+ "type": "output",+ "description": "Antenna driver output 1 (differential or single-ended), with a driver current of 0 to 500 mA and a 5 V domain limit of -0.5 to 5.5 V."+ },+ {+ "number": "11",+ "name": "RFO2",+ "type": "output",+ "description": "Antenna driver output 2 (differential or single-ended), with a driver current of 0 to 500 mA and a 5 V domain limit of -0.5 to 5.5 V."+ },+ {+ "number": "12",+ "name": "VSN_RF",+ "type": "power_in",+ "description": "Ground of the antenna drivers, nominally 0 V."+ },+ {+ "number": "13",+ "name": "TRIM1_3 / NC",+ "type": "unconnected",+ "description": "Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914."+ },+ {+ "number": "14",+ "name": "TRIM2_3 / NC",+ "type": "unconnected",+ "description": "Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914."+ },+ {+ "number": "15",+ "name": "TRIM1_2 / NC",+ "type": "unconnected",+ "description": "Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914."+ },+ {+ "number": "16",+ "name": "TRIM2_2 / NC",+ "type": "unconnected",+ "description": "Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914."+ },+ {+ "number": "17",+ "name": "TRIM1_1 / NC",+ "type": "unconnected",+ "description": "Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914."+ },+ {+ "number": "18",+ "name": "TRIM2_1 / NC",+ "type": "unconnected",+ "description": "Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914."+ },+ {+ "number": "19",+ "name": "TRIM1_0 / NC",+ "type": "unconnected",+ "description": "Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914."+ },+ {+ "number": "20",+ "name": "TRIM2_0 / NC",+ "type": "unconnected",+ "description": "Not connected on the ST25R3915; the TRIM antenna tuning input is available only on the ST25R3914."+ },+ {+ "number": "21",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground and die substrate potential, 0 V."+ },+ {+ "number": "22",+ "name": "RFI1",+ "type": "input",+ "description": "Receiver input 1; RFI amplitude 0.150 to 3 Vpp for NFC receive, with 2.5 Vpp recommended in HF reader and NFC transmit modes."+ },+ {+ "number": "23",+ "name": "RFI2",+ "type": "input",+ "description": "Receiver input 2; RFI amplitude 0.150 to 3 Vpp for NFC receive, with 2.5 Vpp recommended in HF reader and NFC transmit modes."+ },+ {+ "number": "24",+ "name": "AGD",+ "type": "bidirectional",+ "description": "Analog reference voltage; pin is in the 3 V domain with an operating voltage range of -0.5 to 3.6 V."+ },+ {+ "number": "25",+ "name": "CSI",+ "type": "input",+ "description": "Capacitive sensor input; pin is in the 3 V domain with an operating voltage range of -0.5 to 3.6 V."+ },+ {+ "number": "26",+ "name": "VSN_A",+ "type": "power_in",+ "description": "Analog ground, nominally 0 V."+ },+ {+ "number": "27",+ "name": "IRQ",+ "type": "output",+ "description": "Interrupt request output; peripheral IO pin with an operating voltage range of -0.5 to 5.5 V."+ },+ {+ "number": "28",+ "name": "MCU_CLK",+ "type": "output",+ "description": "Microcontroller clock output; peripheral IO pin with an operating voltage range of -0.5 to 5.5 V."+ },+ {+ "number": "29",+ "name": "MISO",+ "type": "tri_state",+ "description": "Serial Peripheral Interface data output, tri-stateable; peripheral IO pin with an operating voltage range of -0.5 to 5.5 V."+ },+ {+ "number": "30",+ "name": "MOSI",+ "type": "input",+ "description": "Serial Peripheral Interface data input; CMOS input with an operating voltage range of -0.5 to 5.5 V."+ },+ {+ "number": "31",+ "name": "SCLK",+ "type": "input",+ "description": "Serial Peripheral Interface clock input; CMOS input with an operating voltage range of -0.5 to 5.5 V."+ },+ {+ "number": "32",+ "name": "/SS",+ "type": "input",+ "description": "Serial Peripheral Interface enable, active low; CMOS input with an operating voltage range of -0.5 to 5.5 V."+ },+ {+ "number": "33",+ "name": "VSS",+ "type": "power_in",+ "description": "Exposed pad: ground and die substrate potential, to be connected to VSS on the PCB."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Pin 33 is the exposed thermal pad (VSS), not one of the 32 numbered terminals. It is included becaus; Table 88 lists the ST25R3915 as NC on pins 13 to 20. These are TRIM pins on the ST25R3914 only, so t; Pin type for pin 4 (XTO), pin 2 (CSO), pin 10/11 (RFO) and pins 27-28 are taken from the table's 'An",+ "2/33 pins cited to the wrong page (name found elsewhere): ['6:VSN_D@p116', '12:VSN_RF@p116']"+ ],+ "pages_sent": 24,+ "cost_usd": 0.1411,+ "at": "2026-10-08T18:04:48"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590418057009913856",+ "pages": 128,+ "sha256": "3a63adf1e0f82121",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 33,+ "described": 33,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "st25r3915-aqft.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 5,+ 5,+ 0.875+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "st25r3915-aqft-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 5,+ 5,+ 0.875+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "fa28a1f812cb94fb63f0a45136f12255ec71c77dd3c1cedf9377c23d50fe500f",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}