component
CC2531F256RHAR
Public Made by Adomby adom
Texas Instruments RF Transceiver ICs, VQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+77@@ -0,0 +1,77 @@+# CC2531F256RHAR++**Texas Instruments** · RF Transceiver ICs · VQFN-40-EP(6x6)++CC2531F256RHAR from Texas Instruments, in a VQFN-40-EP(6x6). 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_USB | power_in | Ground connection for USB interface pads. |+| 2 | USB_P | bidirectional | USB differential data plus (D+) signal connection. |+| 3 | USB_N | bidirectional | USB differential data minus (D-) signal connection. |+| 4 | DVDD_USB | power_in | 3.3V power supply connection for USB pads. |+| 5 | P1_5 | bidirectional | Digital I/O port 1.5 pin. |+| 6 | P1_4 | bidirectional | Digital I/O port 1.4 pin. |+| 7 | P1_3 | bidirectional | Digital I/O port 1.3 pin. |+| 8 | P1_2 | bidirectional | Digital I/O port 1.2 pin. |+| 9 | P1_1 | bidirectional | Digital I/O port 1.1 pin with 20-mA drive capability. |+| 10 | DVDD2 | power_in | 2-V to 3.6-V digital power-supply connection. |+| 11 | P1_0 | bidirectional | Digital I/O port 1.0 pin with 20-mA drive capability. |+| 12 | P0_7 | bidirectional | Digital I/O port 0.7 pin. |+| 13 | P0_6 | bidirectional | Digital I/O port 0.6 pin. |+| 14 | P0_5 | bidirectional | Digital I/O port 0.5 pin. |+| 15 | P0_4 | bidirectional | Digital I/O port 0.4 pin. |+| 16 | P0_3 | bidirectional | Digital I/O port 0.3 pin. |+| 17 | P0_2 | bidirectional | Digital I/O port 0.2 pin. |+| 18 | P0_1 | bidirectional | Digital I/O port 0.1 pin. |+| 19 | P0_0 | bidirectional | Digital I/O port 0.0 pin. |+| 20 | RESET_N | input | Active-low reset signal input. |+| 21 | AVDD5 | power_in | 2-V to 3.6-V analog power-supply connection. |+| 22 | XOSC_Q1 | bidirectional | 32-MHz crystal oscillator pin 1 or external clock input. |+| 23 | XOSC_Q2 | bidirectional | 32-MHz crystal oscillator pin 2. |+| 24 | AVDD3 | power_in | 2-V to 3.6-V analog power-supply connection. |+| 25 | RF_P | bidirectional | Positive RF signal for LNA input during receive and PA output during transmit. |+| 26 | RF_N | bidirectional | Negative RF signal for LNA input during receive and PA output during transmit. |+| 27 | AVDD2 | power_in | 2-V to 3.6-V analog power-supply connection. |+| 28 | AVDD1 | power_in | 2-V to 3.6-V analog power-supply connection. |+| 29 | AVDD4 | power_in | 2-V to 3.6-V analog power-supply connection. |+| 30 | RBIAS | bidirectional | External precision bias resistor for reference current connection. |+| 31 | AVDD6 | power_in | 2-V to 3.6-V analog power-supply connection. |+| 32 | P2_4/XOSC32K_Q1 | bidirectional | Digital I/O port 2.4 or 32.768-kHz crystal oscillator pin 1. |+| 33 | P2_3/XOSC32K_Q2 | bidirectional | Digital I/O port 2.3 or 32.768-kHz crystal oscillator pin 2. |+| 34 | P2_2 | bidirectional | Digital I/O port 2.2 pin. |+| 35 | P2_1 | bidirectional | Digital I/O port 2.1 pin. |+| 36 | P2_0 | bidirectional | Digital I/O port 2.0 pin. |+| 37 | P1_7 | bidirectional | Digital I/O port 1.7 pin. |+| 38 | P1_6 | bidirectional | Digital I/O port 1.6 pin. |+| 39 | DVDD1 | power_in | 2-V to 3.6-V digital power-supply connection. |+| 40 | DCOUPL | power_in | 1.8-V digital power-supply decoupling connection; do not use for external circuit power. |+| 41 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-40-EP(6x6) |+| Category | RF & Radio |+| Pins | 41 |++## CAD (KiCad official)++- Symbol: `CC2531F256RHAR`+- Footprint: `Package_DFN_QFN:QFN-40-1EP_6x6mm_P0.5mm_EP4.6x4.6mm`+- 3D model: VQFN-40-EP(6x6) (KiCad packages3D, STEP)+- 3D model files: `cc2531f256rhar-etched.step` / `cc2531f256rhar-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cc2531f256rhar.step` / `cc2531f256rhar.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/cc2531) (43 pp, sha256 `c45dac1eac9cf199`, retrieved 2026-10-07, tier: lcsc)+- **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/cc2531f256rhar-datasheet.pdf)
page.jsonadded+400@@ -0,0 +1,400 @@+{+ "slug": "cc2531f256rhar",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments RF Transceiver ICs, VQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "rf & radio",+ "cc2531f256rhar",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "cc2531f256rhar.kicad_sym",+ "cc2531f256rhar.kicad_mod",+ "cc2531f256rhar.glb",+ "cc2531f256rhar.step",+ "cc2531f256rhar.lbr",+ "docs/hero.png",+ "docs/cc2531f256rhar-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "cc2531f256rhar-hero.glb",+ "cc2531f256rhar-hero.overlay.json"+ ],+ "component": {+ "mpn": "CC2531F256RHAR",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-40-EP(6x6)",+ "pin_count": 41,+ "category": "RF & Radio",+ "subcategory": "RF Transceiver ICs",+ "datasheet": "https://www.ti.com/cn/lit/gpn/cc2531",+ "parts": {+ "symbol": "cc2531f256rhar.kicad_sym",+ "footprint": "cc2531f256rhar.kicad_mod",+ "model_3d": "cc2531f256rhar-hero.glb",+ "model_3d_plain": "cc2531f256rhar.glb",+ "model_3d_step": "cc2531f256rhar-etched.step",+ "model_3d_step_plain": "cc2531f256rhar.step",+ "lbr": "cc2531f256rhar.lbr"+ },+ "distributor_links": {+ "lcsc": "C48478",+ "digikey": "296-43587-2-ND",+ "mouser": "595-CC2531F256RHAR"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T01:38:45Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-43587-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-CC2531F256RHAR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "DGND_USB",+ "type": "power_in",+ "description": "Ground connection for USB interface pads."+ },+ {+ "number": "2",+ "name": "USB_P",+ "type": "bidirectional",+ "description": "USB differential data plus (D+) signal connection."+ },+ {+ "number": "3",+ "name": "USB_N",+ "type": "bidirectional",+ "description": "USB differential data minus (D-) signal connection."+ },+ {+ "number": "4",+ "name": "DVDD_USB",+ "type": "power_in",+ "description": "3.3V power supply connection for USB pads."+ },+ {+ "number": "5",+ "name": "P1_5",+ "type": "bidirectional",+ "description": "Digital I/O port 1.5 pin."+ },+ {+ "number": "6",+ "name": "P1_4",+ "type": "bidirectional",+ "description": "Digital I/O port 1.4 pin."+ },+ {+ "number": "7",+ "name": "P1_3",+ "type": "bidirectional",+ "description": "Digital I/O port 1.3 pin."+ },+ {+ "number": "8",+ "name": "P1_2",+ "type": "bidirectional",+ "description": "Digital I/O port 1.2 pin."+ },+ {+ "number": "9",+ "name": "P1_1",+ "type": "bidirectional",+ "description": "Digital I/O port 1.1 pin with 20-mA drive capability."+ },+ {+ "number": "10",+ "name": "DVDD2",+ "type": "power_in",+ "description": "2-V to 3.6-V digital power-supply connection."+ },+ {+ "number": "11",+ "name": "P1_0",+ "type": "bidirectional",+ "description": "Digital I/O port 1.0 pin with 20-mA drive capability."+ },+ {+ "number": "12",+ "name": "P0_7",+ "type": "bidirectional",+ "description": "Digital I/O port 0.7 pin."+ },+ {+ "number": "13",+ "name": "P0_6",+ "type": "bidirectional",+ "description": "Digital I/O port 0.6 pin."+ },+ {+ "number": "14",+ "name": "P0_5",+ "type": "bidirectional",+ "description": "Digital I/O port 0.5 pin."+ },+ {+ "number": "15",+ "name": "P0_4",+ "type": "bidirectional",+ "description": "Digital I/O port 0.4 pin."+ },+ {+ "number": "16",+ "name": "P0_3",+ "type": "bidirectional",+ "description": "Digital I/O port 0.3 pin."+ },+ {+ "number": "17",+ "name": "P0_2",+ "type": "bidirectional",+ "description": "Digital I/O port 0.2 pin."+ },+ {+ "number": "18",+ "name": "P0_1",+ "type": "bidirectional",+ "description": "Digital I/O port 0.1 pin."+ },+ {+ "number": "19",+ "name": "P0_0",+ "type": "bidirectional",+ "description": "Digital I/O port 0.0 pin."+ },+ {+ "number": "20",+ "name": "RESET_N",+ "type": "input",+ "description": "Active-low reset signal input."+ },+ {+ "number": "21",+ "name": "AVDD5",+ "type": "power_in",+ "description": "2-V to 3.6-V analog power-supply connection."+ },+ {+ "number": "22",+ "name": "XOSC_Q1",+ "type": "bidirectional",+ "description": "32-MHz crystal oscillator pin 1 or external clock input."+ },+ {+ "number": "23",+ "name": "XOSC_Q2",+ "type": "bidirectional",+ "description": "32-MHz crystal oscillator pin 2."+ },+ {+ "number": "24",+ "name": "AVDD3",+ "type": "power_in",+ "description": "2-V to 3.6-V analog power-supply connection."+ },+ {+ "number": "25",+ "name": "RF_P",+ "type": "bidirectional",+ "description": "Positive RF signal for LNA input during receive and PA output during transmit."+ },+ {+ "number": "26",+ "name": "RF_N",+ "type": "bidirectional",+ "description": "Negative RF signal for LNA input during receive and PA output during transmit."+ },+ {+ "number": "27",+ "name": "AVDD2",+ "type": "power_in",+ "description": "2-V to 3.6-V analog power-supply connection."+ },+ {+ "number": "28",+ "name": "AVDD1",+ "type": "power_in",+ "description": "2-V to 3.6-V analog power-supply connection."+ },+ {+ "number": "29",+ "name": "AVDD4",+ "type": "power_in",+ "description": "2-V to 3.6-V analog power-supply connection."+ },+ {+ "number": "30",+ "name": "RBIAS",+ "type": "bidirectional",+ "description": "External precision bias resistor for reference current connection."+ },+ {+ "number": "31",+ "name": "AVDD6",+ "type": "power_in",+ "description": "2-V to 3.6-V analog power-supply connection."+ },+ {+ "number": "32",+ "name": "P2_4/XOSC32K_Q1",+ "type": "bidirectional",+ "description": "Digital I/O port 2.4 or 32.768-kHz crystal oscillator pin 1."+ },+ {+ "number": "33",+ "name": "P2_3/XOSC32K_Q2",+ "type": "bidirectional",+ "description": "Digital I/O port 2.3 or 32.768-kHz crystal oscillator pin 2."+ },+ {+ "number": "34",+ "name": "P2_2",+ "type": "bidirectional",+ "description": "Digital I/O port 2.2 pin."+ },+ {+ "number": "35",+ "name": "P2_1",+ "type": "bidirectional",+ "description": "Digital I/O port 2.1 pin."+ },+ {+ "number": "36",+ "name": "P2_0",+ "type": "bidirectional",+ "description": "Digital I/O port 2.0 pin."+ },+ {+ "number": "37",+ "name": "P1_7",+ "type": "bidirectional",+ "description": "Digital I/O port 1.7 pin."+ },+ {+ "number": "38",+ "name": "P1_6",+ "type": "bidirectional",+ "description": "Digital I/O port 1.6 pin."+ },+ {+ "number": "39",+ "name": "DVDD1",+ "type": "power_in",+ "description": "2-V to 3.6-V digital power-supply connection."+ },+ {+ "number": "40",+ "name": "DCOUPL",+ "type": "power_in",+ "description": "1.8-V digital power-supply decoupling connection; do not use for external circuit power."+ },+ {+ "number": "41",+ "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": [+ "extractor flagged: Exposed ground pad (GND) does not have a printed pin number in the package; it is specified in the p",+ "exposed pad 41 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 9,+ "cost_usd": 0.1734,+ "at": "2026-10-07T01:38:26"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/cc2531",+ "pages": 43,+ "sha256": "c45dac1eac9cf199",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 41,+ "described": 41,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "cc2531f256rhar.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 6,+ 1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "cc2531f256rhar-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 6,+ 1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "22a09f79eac3c25e95a62aa28c4281b29bed30a1e13f8df48154a4a89689d944",+ "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]"+ }+}