component
TRF7961RHBR
Public Made by Adomby adom
Texas Instruments RF Chips, VQFN-32-EP(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 @@+# TRF7961RHBR++**Texas Instruments** · RF Chips · VQFN-32-EP(5x5)++TRF7961RHBR from Texas Instruments, in a VQFN-32-EP(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_A | power_out | Internal regulated supply, 2.7 V to 3.4 V, for analog circuitry. |+| 2 | VIN | power_in | External supply input to the chip, 2.7 V to 5.5 V. |+| 3 | VDD_RF | power_out | Internal regulated supply, 2.7 V to 5 V, normally connected to VDD_PA (pin 4). |+| 4 | VDD_PA | power_in | Supply for the PA; normally connected externally to VDD_RF (pin 3). |+| 5 | TX_OUT | output | RF output with selectable output power of 100 mW at 8 Ω or 200 mW at 4 Ω with VDD = 5 V. |+| 6 | VSS_RF | power_in | Negative supply for the PA; normally connected to circuit ground. |+| 7 | VSS_RX | power_in | Negative supply for the RX inputs; normally connected to circuit ground. |+| 8 | RX_IN1 | input | RX input used for AM reception. |+| 9 | RX_IN2 | input | RX input used for PM reception. |+| 10 | VSS | power_in | Chip substrate ground. |+| 11 | BAND_GAP | output | Band-gap voltage of 1.6 V, an internal analog voltage reference that must be AC-bypassed to ground. |+| 12 | ASK/OOK | bidirectional | In direct mode selects ASK or OOK modulation (0 = ASK, 1 = OOK); can also be configured to provide the received analog signal output (ANA_OUT). |+| 13 | IRQ | output | Interrupt request output to prompt the MCU for attention when a PICC or VICC response is detected. |+| 14 | MOD | input | External modulation input used in direct mode. |+| 15 | VSS_A | power_in | Negative supply for internal analog circuits; normally connected to circuit ground. |+| 16 | VDD_I/O | power_in | Supply for I/O communications, 1.8 V to 5.5 V; connect to VIN for 5-V communication, VDD_X for 3.3-V communication, or any voltage from 1.8 V to 5.5 V. |+| 17 | I/O_0 | bidirectional | I/O pin for parallel communication; unused in SPI modes where it is hardwired to VSS or VDD per the interface table. |+| 18 | I/O_1 | bidirectional | I/O pin for parallel communication; hardwired to VDD or VSS when SPI is used. |+| 19 | I/O_2 | bidirectional | I/O pin for parallel communication; hardwired to VDD when SPI is used. |+| 20 | I/O_3 | bidirectional | I/O pin for parallel communication. |+| 21 | I/O_4 | bidirectional | I/O pin for parallel communication; serves as slave select (SS) in SPI with SS. |+| 22 | I/O_5 | bidirectional | I/O pin for parallel communication; provides the strobe output clock for serial communication and the data clock output in direct mode. |+| 23 | I/O_6 | bidirectional | I/O pin for parallel communication; MISO for SPI, and serial bit data output in direct mode 1 or subcarrier signal in direct mode 0. |+| 24 | I/O_7 | bidirectional | I/O pin for parallel communication; MOSI for SPI. |+| 25 | EN2 | input | Pulse enable and selection of power-down mode; if connected to VIN, VDD_X stays active during power down to support the MCU, and it can also be used for pulse wake-up from power-down. |+| 26 | DATA_CLK | input | Clock input for MCU communication in both parallel and serial modes. |+| 27 | SYS_CLK | output | Clock for the MCU at 3.39, 6.78, or 13.56 MHz when EN = 1; if EN = 0 and EN2 = 1, the system clock is set to 60 kHz. |+| 28 | EN | input | Chip enable input; when EN = 0 the chip is in power-down mode. |+| 29 | VSS_D | power_in | Negative supply for internal digital circuits; normally connected to circuit ground. |+| 30 | OSC_OUT | output | Crystal oscillator output for the single external 13.56 MHz crystal. |+| 31 | OSC_IN | input | Crystal oscillator input for the single external 13.56 MHz crystal. |+| 32 | VDD_X | power_out | Internally regulated supply, 2.7 V to 3.4 V, for external circuitry (MCU). |+| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-32-EP(5x5) |+| Category | Radio Frequency Chip/Antenna |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `TRF7961RHBR`+- Footprint: `Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm`+- 3D model: VQFN-32-EP(5x5) (KiCad packages3D, STEP)+- 3D model files: `trf7961rhbr-etched.step` / `trf7961rhbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `trf7961rhbr.step` / `trf7961rhbr.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/trf7961) (55 pp, sha256 `34e4b915ecd05efb`, retrieved 2026-10-07, 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/trf7961rhbr-datasheet.pdf)
page.jsonadded+351@@ -0,0 +1,351 @@+{+ "slug": "trf7961rhbr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments RF Chips, VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "radio frequency chip-antenna",+ "trf7961rhbr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "trf7961rhbr.kicad_sym",+ "trf7961rhbr.kicad_mod",+ "trf7961rhbr.glb",+ "trf7961rhbr.step",+ "trf7961rhbr.lbr",+ "docs/hero.png",+ "docs/trf7961rhbr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "trf7961rhbr-hero.glb",+ "trf7961rhbr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TRF7961RHBR",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-32-EP(5x5)",+ "pin_count": 33,+ "category": "Radio Frequency Chip/Antenna",+ "subcategory": "RF Chips",+ "datasheet": "https://www.ti.com/cn/lit/gpn/trf7961",+ "parts": {+ "symbol": "trf7961rhbr.kicad_sym",+ "footprint": "trf7961rhbr.kicad_mod",+ "model_3d": "trf7961rhbr-hero.glb",+ "model_3d_plain": "trf7961rhbr.glb",+ "model_3d_step": "trf7961rhbr-etched.step",+ "model_3d_step_plain": "trf7961rhbr.step",+ "lbr": "trf7961rhbr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2654834",+ "digikey": "481-1112-2-ND",+ "mouser": "595-TRF7961RHBR"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T23:52:49Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "481-1112-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TRF7961RHBR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD_A",+ "type": "power_out",+ "description": "Internal regulated supply, 2.7 V to 3.4 V, for analog circuitry."+ },+ {+ "number": "2",+ "name": "VIN",+ "type": "power_in",+ "description": "External supply input to the chip, 2.7 V to 5.5 V."+ },+ {+ "number": "3",+ "name": "VDD_RF",+ "type": "power_out",+ "description": "Internal regulated supply, 2.7 V to 5 V, normally connected to VDD_PA (pin 4)."+ },+ {+ "number": "4",+ "name": "VDD_PA",+ "type": "power_in",+ "description": "Supply for the PA; normally connected externally to VDD_RF (pin 3)."+ },+ {+ "number": "5",+ "name": "TX_OUT",+ "type": "output",+ "description": "RF output with selectable output power of 100 mW at 8 Ω or 200 mW at 4 Ω with VDD = 5 V."+ },+ {+ "number": "6",+ "name": "VSS_RF",+ "type": "power_in",+ "description": "Negative supply for the PA; normally connected to circuit ground."+ },+ {+ "number": "7",+ "name": "VSS_RX",+ "type": "power_in",+ "description": "Negative supply for the RX inputs; normally connected to circuit ground."+ },+ {+ "number": "8",+ "name": "RX_IN1",+ "type": "input",+ "description": "RX input used for AM reception."+ },+ {+ "number": "9",+ "name": "RX_IN2",+ "type": "input",+ "description": "RX input used for PM reception."+ },+ {+ "number": "10",+ "name": "VSS",+ "type": "power_in",+ "description": "Chip substrate ground."+ },+ {+ "number": "11",+ "name": "BAND_GAP",+ "type": "output",+ "description": "Band-gap voltage of 1.6 V, an internal analog voltage reference that must be AC-bypassed to ground."+ },+ {+ "number": "12",+ "name": "ASK/OOK",+ "type": "bidirectional",+ "description": "In direct mode selects ASK or OOK modulation (0 = ASK, 1 = OOK); can also be configured to provide the received analog signal output (ANA_OUT)."+ },+ {+ "number": "13",+ "name": "IRQ",+ "type": "output",+ "description": "Interrupt request output to prompt the MCU for attention when a PICC or VICC response is detected."+ },+ {+ "number": "14",+ "name": "MOD",+ "type": "input",+ "description": "External modulation input used in direct mode."+ },+ {+ "number": "15",+ "name": "VSS_A",+ "type": "power_in",+ "description": "Negative supply for internal analog circuits; normally connected to circuit ground."+ },+ {+ "number": "16",+ "name": "VDD_I/O",+ "type": "power_in",+ "description": "Supply for I/O communications, 1.8 V to 5.5 V; connect to VIN for 5-V communication, VDD_X for 3.3-V communication, or any voltage from 1.8 V to 5.5 V."+ },+ {+ "number": "17",+ "name": "I/O_0",+ "type": "bidirectional",+ "description": "I/O pin for parallel communication; unused in SPI modes where it is hardwired to VSS or VDD per the interface table."+ },+ {+ "number": "18",+ "name": "I/O_1",+ "type": "bidirectional",+ "description": "I/O pin for parallel communication; hardwired to VDD or VSS when SPI is used."+ },+ {+ "number": "19",+ "name": "I/O_2",+ "type": "bidirectional",+ "description": "I/O pin for parallel communication; hardwired to VDD when SPI is used."+ },+ {+ "number": "20",+ "name": "I/O_3",+ "type": "bidirectional",+ "description": "I/O pin for parallel communication."+ },+ {+ "number": "21",+ "name": "I/O_4",+ "type": "bidirectional",+ "description": "I/O pin for parallel communication; serves as slave select (SS) in SPI with SS."+ },+ {+ "number": "22",+ "name": "I/O_5",+ "type": "bidirectional",+ "description": "I/O pin for parallel communication; provides the strobe output clock for serial communication and the data clock output in direct mode."+ },+ {+ "number": "23",+ "name": "I/O_6",+ "type": "bidirectional",+ "description": "I/O pin for parallel communication; MISO for SPI, and serial bit data output in direct mode 1 or subcarrier signal in direct mode 0."+ },+ {+ "number": "24",+ "name": "I/O_7",+ "type": "bidirectional",+ "description": "I/O pin for parallel communication; MOSI for SPI."+ },+ {+ "number": "25",+ "name": "EN2",+ "type": "input",+ "description": "Pulse enable and selection of power-down mode; if connected to VIN, VDD_X stays active during power down to support the MCU, and it can also be used for pulse wake-up from power-down."+ },+ {+ "number": "26",+ "name": "DATA_CLK",+ "type": "input",+ "description": "Clock input for MCU communication in both parallel and serial modes."+ },+ {+ "number": "27",+ "name": "SYS_CLK",+ "type": "output",+ "description": "Clock for the MCU at 3.39, 6.78, or 13.56 MHz when EN = 1; if EN = 0 and EN2 = 1, the system clock is set to 60 kHz."+ },+ {+ "number": "28",+ "name": "EN",+ "type": "input",+ "description": "Chip enable input; when EN = 0 the chip is in power-down mode."+ },+ {+ "number": "29",+ "name": "VSS_D",+ "type": "power_in",+ "description": "Negative supply for internal digital circuits; normally connected to circuit ground."+ },+ {+ "number": "30",+ "name": "OSC_OUT",+ "type": "output",+ "description": "Crystal oscillator output for the single external 13.56 MHz crystal."+ },+ {+ "number": "31",+ "name": "OSC_IN",+ "type": "input",+ "description": "Crystal oscillator input for the single external 13.56 MHz crystal."+ },+ {+ "number": "32",+ "name": "VDD_X",+ "type": "power_out",+ "description": "Internally regulated supply, 2.7 V to 3.4 V, for external circuitry (MCU)."+ },+ {+ "number": "33",+ "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-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The datasheet lists the exposed thermal pad only as 'Thermal Pad Connected to circuit ground' with n; Datasheet type for VDD_PA is INP (input). Mapped to power_in because it is a PA supply pin that is n; Datasheet type for ASK/OOK is BID, but the description states it is a direct-mode selection input (0",+ "exposed pad 33 added from the footprint"+ ],+ "pages_sent": 13,+ "cost_usd": 0.0906,+ "at": "2026-10-07T23:52:32"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/trf7961",+ "pages": 55,+ "sha256": "34e4b915ecd05efb",+ "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": "trf7961rhbr.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": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "trf7961rhbr-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": "3c065acdfed70d5d98dd1a97d40bfb98172e0cdf1b9c42b362a0a6a994308cb8",+ "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]"+ }+}