component
CC2520RHDT
Public Made by Adomby adom
Texas Instruments RF Transceiver ICs, VQFN-28-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownCC2520RHDT
Texas Instruments · RF Transceiver ICs · VQFN-28-EP(5x5)
CC2520RHDT from Texas Instruments, in a VQFN-28-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 | SO | output | SPI interface: Serial Out. |
| 2 | SI | input | SPI interface: Serial In. |
| 3 | CSn | input | SPI interface: Chip Select, active low. |
| 4 | GPIO5 | bidirectional | General purpose digital I/O. |
| 5 | GPIO4 | bidirectional | General purpose digital I/O. |
| 6 | GPIO3 | bidirectional | General purpose digital I/O. |
| 7 | GPIO2 | bidirectional | General purpose digital I/O. |
| 8 | DVDD | power_in | 1.8 V to 3.8 V digital power supply for digital pads. |
| 9 | GPIO1 | bidirectional | General purpose digital I/O. |
| 10 | GPIO0 | bidirectional | General purpose digital I/O. |
| 11 | AVDD5 | power_in | 1.8 V to 3.8 V analog power supply connection. |
| 12 | XOSC32M_Q2 | bidirectional | Crystal oscillator pin 2 (analog I/O). |
| 13 | XOSC32M_Q1 | bidirectional | Crystal oscillator pin 1 (analog I/O). |
| 14 | AVDD3 | power_in | 1.8 V to 3.8 V analog power supply connection. |
| 15 | NC | unconnected | Not connected. |
| 16 | AVDD2 | power_in | 1.8 V to 3.8 V analog power supply connection. |
| 17 | RF_P | bidirectional | Positive RF input signal to LNA in receive mode; positive RF output signal from PA in transmit mode. |
| 18 | NC | unconnected | Not connected. |
| 19 | RF_N | bidirectional | Negative RF input signal to LNA in receive mode; negative RF output signal from PA in transmit mode. |
| 20 | AVDD1 | power_in | 1.8 V to 3.8 V analog power supply connection. |
| 21 | NC | unconnected | Not connected. |
| 22 | AVDD4 | power_in | 1.8 V to 3.8 V analog power supply connection. |
| 23 | RBIAS | bidirectional | External precision bias resistor for reference current; 56 kΩ, ±1%. |
| 24 | AVDD_GUARD | power_in | Power supply connection for digital noise isolation and digital voltage regulator. |
| 25 | RESETn | input | External reset pin, active low. |
| 26 | VREG_EN | input | When high, the digital voltage regulator is active. |
| 27 | DCOUPL | power_out | 1.6 V to 2.0 V digital power supply output for decoupling; this pin cannot be used to supply any external devices. |
| 28 | SCLK | input | SPI interface: Serial Clock, maximum 8 MHz. |
| 29 | AGND | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VQFN-28-EP(5x5) |
| Category | RF And Wireless |
| Pins | 29 |
CAD (KiCad official)
- Symbol:
CC2520RHDT - Footprint:
Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm - 3D model: VQFN-28-EP(5x5) (KiCad packages3D, STEP)
- 3D model files:
cc2520rhdt-etched.step/cc2520rhdt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cc2520rhdt.step/cc2520rhdt.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (132 pp, sha256
a4b543243d382b6a, retrieved 2026-10-12, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).