component

CC1125RHBR

Public Made by Adom

by adom

Texas Instruments RF Transceiver ICs, HVQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

Schematic Symbol

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Datasheet

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Contents

README

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CC1125RHBR

Texas Instruments · RF Transceiver ICs · HVQFN-32-EP(5x5)

CC1125RHBR from Texas Instruments, in a HVQFN-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_GUARD power_in 2.0-3.6 V power supply input for guard circuit.
2 RESET_N input Asynchronous active-low digital reset input.
3 GPIO3 bidirectional General-purpose digital I/O pin.
4 GPIO2 bidirectional General-purpose digital I/O pin.
5 DVDD power_in 2.0-3.6 V digital power supply input to internal digital regulator.
6 DCPL power_out Digital regulator decoupling capacitor connection requiring external capacitor to ground.
7 SI input Serial data input for SPI interface.
8 SCLK input Serial clock input for SPI interface.
9 SO(GPIO1) bidirectional Serial data output for SPI interface or general-purpose I/O pin.
10 GPIO0 bidirectional General-purpose digital I/O pin.
11 CSn input Active-low chip select input for SPI interface.
12 DVDD power_in 2.0-3.6 V digital power supply input for digital circuits.
13 AVDD_IF power_in 2.0-3.6 V analog power supply input for intermediate frequency circuits.
14 RBIAS passive External high-precision resistor connection for bias network.
15 AVDD_RF power_in 2.0-3.6 V analog power supply input for RF circuits.
16 N.C. unconnected Not connected internally.
17 PA output Single-ended TX power amplifier output requiring DC path to VDD.
18 TRX_SW tri_state TX/RX switch control connected internally to GND in TX mode and floating in RX mode.
19 LNA_P input Differential RX input positive requiring DC path to GND.
20 LNA_N input Differential RX input negative requiring DC path to GND.
21 DCPL_VCO power_out VCO supply regulator decoupling capacitor connection requiring external capacitor.
22 AVDD_SYNTH1 power_in 2.0-3.6 V analog power supply input for frequency synthesizer circuit.
23 LPF0 passive External loop filter component connection for PLL.
24 LPF1 passive External loop filter component connection for PLL.
25 AVDD_PFD_CHP power_in 2.0-3.6 V analog power supply input for phase frequency detector and charge pump circuits.
26 DCPL_PFD_CHP power_out PFD and charge pump regulator decoupling capacitor connection requiring external capacitor.
27 AVDD_SYNTH2 power_in 2.0-3.6 V analog power supply input for frequency synthesizer circuit.
28 AVDD_XOSC power_in 2.0-3.6 V analog power supply input for crystal oscillator circuit.
29 DCPL_XOSC power_out Crystal oscillator regulator decoupling capacitor connection requiring external capacitor.
30 XOSC_Q1 passive Crystal oscillator pin 1, must be grounded if external TCXO or clock is connected to EXT_XOSC.
31 XOSC_Q2 passive Crystal oscillator pin 2, must be left floating if external TCXO or clock is connected to EXT_XOSC.
32 EXT_XOSC input External clock input, must be grounded if internal crystal is connected to XOSC_Q1 and XOSC_Q2.
33 GND power_in Ground connection and exposed thermal pad, must be connected to solid ground plane.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package HVQFN-32-EP(5x5)
Category RF And Wireless
Pins 33

CAD (KiCad official)

  • Symbol: CC1125RHBR
  • Footprint: Package_DFN_QFN:HVQFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm
  • 3D model: HVQFN-32-EP(5x5) (KiCad packages3D, STEP)
  • 3D model files: cc1125rhbr-etched.step / cc1125rhbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cc1125rhbr.step / cc1125rhbr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (38 pp, sha256 abea680a01c90aee, retrieved 2026-10-01, 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 0.2, 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