RF System on a Chip – SoC Blue Gecko, QFN32, 2.4G, 6dB, Bluetooth 5.2, 512kB, 32kB(RAM), 18 GPIO

EFR32BG22C224F512GM32-CR – Bluetooth 5.2 SoC with 512kB Flash – Silicon Labs

Optimize your IoT designs with the EFR32BG22C224F512GM32-CR RF System-on-Chip (SoC) from Silicon Labs. This highly integrated Blue Gecko™ solution combines a 2.4GHz transceiver, Bluetooth 5.2 support, and an energy-efficient microcontroller in a compact 4x4mm QFN package. Ideal for space-constrained wireless applications, it delivers robust connectivity while minimizing power consumption and development complexity. PCX ensures genuine Silicon Labs components with rapid shipping and dedicated technical support.

Key Features

• Bluetooth 5.2 Certified: Supports LE Audio, extended range, and higher throughput
• Ultra-Low Power: 3.6mA RX / 4.1mA TX current at 3.3V
• High Integration: 512kB Flash + 32kB RAM MCU core with 18 programmable GPIOs
• 2.4GHz RF Performance: 6dBm output power & -106.7dBm sensitivity
• Wide Voltage Range: Operates from 1.71V to 3.8V for battery flexibility
• Industrial Temperature Rating: -40°C to +85°C operation

Technical Specifications

This EFR32™ Blue Gecko series IC integrates an ARM Cortex-M33 processor with multi-protocol 2.4GHz RF capabilities (2400-2483.5MHz). It features advanced modulation support including GFSK, MSK, and OQPSK with data rates up to 2Mbps. Communication interfaces include I2C, SPI, UART, IrDA, and I2S. Housed in a 32-pin QFN package (32-QFN, 4x4mm), it utilizes surface-mount technology for automated assembly. The device achieves a 125dB link budget for reliable wireless connections.

Typical Applications

• Smart home sensors and automation controllers
• Bluetooth LE medical wearables and health monitors
• Industrial IoT edge devices and asset trackers
• Wireless consumer electronics (keyboards, toys, remotes)
• Battery-powered beacons and location tags

About Silicon Labs

Silicon Labs is a global leader in secure, intelligent wireless technology for the IoT infrastructure. With over 20 years of RF expertise, they deliver silicon, software, and solutions that enable developers to create energy-efficient, high-performance connected devices. Their comprehensive wireless portfolios support multiple protocols including Bluetooth, Zigbee, Thread, and proprietary standards.

The company maintains rigorous quality certifications (ISO 9001, IATF 16949) and provides extensive development tools like Simplicity Studio IDE. Silicon Labs’ commitment to long product lifecycles and technical documentation ensures design stability for industrial and medical applications, making them a trusted partner for mission-critical deployments.

About RF System-on-Chip (SoC)

RF SoCs integrate radio transceivers with microcontrollers into single-chip solutions, dramatically reducing component count and PCB footprint. This consolidation lowers BOM costs while improving power efficiency and signal integrity compared to discrete implementations. SoCs are fundamental to modern IoT devices where size, battery life, and wireless reliability are critical.

Bluetooth SoCs specifically enable short-range data exchange with smartphones and gateways while supporting advanced features like mesh networking and direction finding. Their programmable nature allows firmware updates for protocol enhancements and security patches, extending product lifetimes. Selecting industrial-grade SoCs ensures consistent performance across environmental extremes.

Packaging Options

Available in industry-standard Cut Tape (CT) for prototyping and Tape & Box (TB) for volume production. PCX provides reel quantity information upon request.

Frequently Asked Questions

Question: Does this SoC support Bluetooth mesh networking?
Answer: Yes, the EFR32BG22 series fully supports Bluetooth Mesh 1.0 specifications, enabling large-scale device networks.

Question: What development tools are available for this IC?
Answer: Silicon Labs provides the free Simplicity Studio IDE with code examples, RF analysis tools, and energy profilers.

Question: Is the Bluetooth 5.2 implementation compatible with older devices?
Answer: Yes, it maintains backward compatibility with Bluetooth 4.0/4.1/4.2/5.0/5.1 devices.

Question: Can I use coin cell batteries with this SoC?
Answer: Absolutely. The 1.71V minimum operating voltage supports direct connection to CR2032/CR2025 cells.

Question: What security features are implemented?
Answer: It includes secure boot, AES-128/256 encryption, TRNG, and PSA Level 2 certified security cores.

Question: Does PCX provide design support?
Answer: Yes, our technical team offers component-level guidance and datasheet access. Contact us for schematics review.

🚀 Order your EFR32BG22C224F512GM32-CR SoC today for same-day shipping! Stock is limited – secure your supply now at PCXCo.com.

Note: Product images are representational. Refer to PCX-hosted datasheet for exact specifications.