In today’s highly competitive embedded market, selecting a microcontroller that combines high performance, compact size, and low power consumption is key to product success. As a leading supplier of mixed-signal devices, Silicon Labs’ EFM8BB51F16G-C-QFN20R is a prime example of a solution that meets these requirements.
Shenzhen Mingjiada Electronics Co., Ltd. is now supplying this popular device to customers as brand-new, genuine products. We have ample stock and offer significant price advantages. Please feel free to contact us for inquiries and orders.
Product Overview: Small Size, Big Intelligence
The EFM8BB51F16G-C-QFN20R belongs to Silicon Labs’ highly acclaimed Busy Bee series. This series is renowned for “integrating rich analog and peripheral features into a compact package.” This 8-bit microcontroller is based on the high-speed CIP-51 core. Not only is it fully compatible with the classic 8051, but it also achieves a significant performance leap through a single-cycle instruction architecture, with a maximum operating frequency of up to 50MHz.
It features a QFN-20 (3mm x 3mm) micro-package, making it ideal for portable devices, optical modules, and sensor nodes with stringent PCB space requirements.
Key Advantages and Technical Specifications of the EFM8BB51F16G-C-QFN20R
1. Outstanding Computing and Storage Capabilities
The chip features 16 kB of Flash program memory, supporting in-system reprogramming, as well as 1.25 kB of RAM, sufficient to handle complex communication protocol stacks and data processing tasks.
2. Powerful Integrated Analog Peripherals
The EFM8BB51 features a built-in 12-bit resolution ADC (analog-to-digital converter) with a sampling rate of up to 612 ksps and support for up to 16 input channels. It also integrates an analog comparator and a precise voltage reference source, enabling high-precision sensor data acquisition without the need for numerous external analog components, thereby significantly reducing BOM costs.
3. Wide Voltage Range and Robustness
It supports an ultra-wide operating voltage range of 1.8V to 5.5V, and its I/O ports are 5V-tolerant. This allows the MCU to easily interface with both 3.3V and 5V logic systems without requiring additional level-shifting chips, enhancing the design’s immunity to interference and flexibility.
4. Rich Peripheral Interfaces
Communication Interfaces: Integrates 2 UARTs, SPI up to 12 Mbps, and SMBus/I2C interfaces.
Control Peripherals: Includes 16 GPIO pins, PWM output, and a watchdog timer.
Operating Temperature: Supports an industrial-grade temperature range of -40°C to +85°C, ensuring stable operation in harsh environments.
Technical Specifications
Core Architecture: CIP-51 8051 (single-cycle)
Maximum Clock Frequency: 50 MHz
Memory Capacity: 16 kB Flash, 1.25 kB RAM
Operating Voltage: 1.8V – 5.5V
ADC Performance: 12-bit, 16 channels, 612 ksps
Number of I/O Pins: 16
Communication Interfaces: UART, SPI, I2C/SMBus
Package Type: QFN-20 (3x3 mm)
Operating Temperature: -40°C to +85°C
Mingjiada Electronics — Professional Supplier of EFM8BB51F16G-C-QFN20R
Shenzhen Mingjiada Electronics Co., Ltd. (Mingjiada Electronics) was established in 1996. As a global enterprise specializing in electronic component distribution, inventory management, and supply chain services, the company has branches in Shenzhen, Hong Kong, Japan, Russia, Taiwan, and other locations, with business operations covering the global market.
Stock Availability Details
Part Number: EFM8BB51F16G-C-QFN20R
Brand: Silicon Labs
Package: QFN-20 (3×3mm)
Stock Status: In stock in Shenzhen, brand new and factory-sealed
Batch: Latest batch, traceable origin
Lead Time: Immediate shipment
Minimum Order Quantity: Supports both sample and bulk purchases
Contact Us
Contact Person: Mr. Chen
Phone: +86 13410018555 / 86-755-83294757
Email: sales@hkmjd.com
Address: Rooms 1239-1241, New Asia Guoli Building, Zhenzhong Road, Futian District, Shenzhen, Guangdong Province
Website: www.integrated-ic.com
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