Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

Shenzhen Mingjiada Electronics Co., Ltd. supplies the Silicon Labs EFR32FG22C121F256GM40-CR wireless SoC — a high-performance 2.4GHz proprietary protocol chip

1. Product Overview  

The EFR32FG22C121F256GM40-CR is a high-performance 2.4GHz wireless system-on-chip (SoC) developed by Silicon Labs, specifically designed for proprietary protocol IoT devices. The chip features an ARM Cortex-M33 core, integrated with 256KB flash memory and 32KB RAM, and offers ultra-low power consumption, making it suitable for applications such as electronic shelf labels (ESL), smart home, and industrial automation. Mingjiada Electronics, as a leading distributor of electronic components, offers brand-new, genuine, in-stock products with fast delivery support.

2. Core Features

✅ High-performance processor:

32-bit ARM Cortex-M33 (up to 38.4 MHz), supporting DSP instructions and floating-point operations, suitable for efficient signal processing.

256KB Flash + 32KB RAM, meeting the demands of complex embedded applications.

✅ Exceptional Wireless Performance:  

2.4 GHz RF, supporting 2(G)FSK, OQPSK DSSS, and (G)MSK modulation schemes.  

Receiver sensitivity: -102.3 dBm (250 kbps O-QPSK DSSS), -98.9 dBm (1 Mbit/s GFSK).

Transmit power: up to 6 dBm, suitable for long-range communication.

✅ Ultra-low power consumption design:  

Receive current: 2.5 mA (1 Mbps GFSK).  

Deep sleep mode (EM2): only 1.20 μA (with 8KB RAM retained).  

EM4 mode: 0.17 μA, suitable for battery-powered devices.

✅ Advanced security features:  

Secure boot (Root of Trust & Secure Loader).  

Hardware encryption acceleration (AES-128/256, SHA-1/2, ECC).  

True random number generator (TRNG), compliant with NIST SP800-90 standards.  

✅ Wide operating range:  

Voltage: 1.71V to 3.8V.

Temperature: -40°C to +85°C, suitable for harsh industrial environments.

3. Typical Applications  

Electronic Shelf Labels (ESL): Supports retail automation and enables remote price updates.  

Smart Home & Building Automation: Such as smart lighting and security sensors.  

Industrial Wireless Sensor Networks: Low power consumption and high reliability data transmission.  

Commercial Lighting Control: Supports environmental monitoring and adaptive adjustment.

4. Packaging and Supply Information  

Packaging: QFN40 (5×5×0.85mm), compact design suitable for high-density PCB layouts.  

Inventory: Mingjiada Electronics offers 5,000 pieces in stock, supporting small-batch purchases and global logistics.

5. Procurement and Technical Consultation  

For samples or bulk purchases of the EFR32FG22C121F256GM40-CR, please contact:  

Phone: +86 13410018555  

Email: sales@hkmjd.com  

Homepage: www.hkmjd.com