CYW20820A1KFBG Overview
The CYW20820A1KFBG is a highly integrated Bluetooth 5.0 wireless microcontroller, optimized for robust wireless connectivity and energy efficiency in demanding industrial and commercial applications. Designed for reliable performance, it incorporates a powerful ARM Cortex-M4 core, advanced radio capabilities, and flexible peripheral support, making it suitable for a broad range of IoT, automation, and sensor network solutions. Its compact 40-QFN package allows for streamlined PCB layouts and space-constrained designs. For more detailed information, please refer to IC Manufacturer.
CYW20820A1KFBG Technical Specifications
| Attribute | Value |
|---|---|
| Product Category | RF System on Chip (SoC) |
| Core Processor | ARM Cortex-M4 |
| Bluetooth Version | Bluetooth 5.0 |
| Operating Voltage | 1.71V ~ 3.63V |
| Package / Case | 40-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Interface | I2C, SPI, UART, PWM |
| Operating Temperature | -40??C ~ 105??C |
| Integrated Memory | Yes |
CYW20820A1KFBG Key Features
- Bluetooth 5.0 support enables long-range, high-speed wireless communication, ideal for industrial IoT devices requiring robust connectivity.
- ARM Cortex-M4 core delivers efficient processing power, allowing for complex application code and real-time control with low energy consumption.
- Multiple serial interfaces (I2C, SPI, UART, PWM) provide flexible connectivity to sensors, actuators, and external components, supporting diverse system requirements.
- Wide operating voltage range (1.71V to 3.63V) ensures compatibility with varied power supplies and enhances design flexibility.
- Compact 40-QFN package supports dense PCB layouts, making the device suitable for size-critical applications and modular designs.
- Industrial-grade temperature range (-40??C to 105??C) guarantees reliable operation in harsh environments.
CYW20820A1KFBG Advantages vs Typical Alternatives
This Bluetooth 5.0 SoC delivers superior wireless performance and energy efficiency compared to legacy modules. Its combination of an ARM Cortex-M4 core, broad interface options, and industrial temperature support makes it a preferred solution for engineers seeking integration, reliability, and robust connectivity in embedded systems and IoT designs.
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Typical Applications
- Industrial automation controllers and wireless sensor nodes, leveraging Bluetooth 5.0??s secure, long-range connectivity for reliable machine-to-machine communication and real-time monitoring.
- Smart home devices such as locks, thermostats, and lighting systems, where low power consumption and efficient wireless protocols are critical for extended battery life and seamless user experiences.
- Healthcare equipment requiring dependable data transfer and device networking in medical monitoring, asset tracking, and portable instruments.
- Asset management and logistics systems, using Bluetooth connectivity for inventory tracking, environmental monitoring, and secure access control in warehouses or transportation applications.
CYW20820A1KFBG Brand Info
The CYW20820A1KFBG is part of a renowned Bluetooth SoC portfolio, combining advanced wireless technology with a power-efficient ARM Cortex-M4 core. This device is specifically engineered to deliver high performance, flexibility, and reliability for professional and industrial deployments. Its robust design, coupled with a compact package and versatile feature set, makes it a trusted choice for engineers and OEMs seeking dependable wireless connectivity in challenging environments.
FAQ
What is the main application area for the CYW20820A1KFBG?
This device is primarily designed for industrial, commercial, and IoT applications that require robust Bluetooth 5.0 connectivity, energy efficiency, and flexible integration with various sensors and peripherals.
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Does this Bluetooth SoC support harsh environment operation?
Yes, it supports an industrial-grade temperature range from -40??C to 105??C, making it suitable for use in demanding and variable environmental conditions commonly found in industrial and outdoor systems.
What are the available interfaces for connecting external devices?
It supports multiple digital interfaces, including I2C, SPI, UART, and PWM, enabling seamless integration with a wide range of sensors, actuators, and other external components.
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Is the CYW20820A1KFBG suitable for battery-powered designs?
Yes, the combination of Bluetooth 5.0 efficiency, ARM Cortex-M4 low-power processing, and a wide operating voltage range makes it highly suitable for battery-operated products and portable applications.
What package type is offered and how does this impact PCB design?
This product comes in a 40-VFQFN exposed pad package, which allows for compact and efficient PCB layouts, making it ideal for space-constrained applications and high-density circuit board designs.





