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Smart Entertainment Devices
Enabling reliable, low-latency, and low-power wireless connectivity on smart entertainment devices and AR/VR solutions
Overview
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Overview
What are Smart Entertainment Devices and AR/VR?
Consumers are becoming increasingly home-centric – work, education, healthcare, shopping, and entertainment must come to their homes rather than them spending time and money commuting to the office or school, or traveling to a shop, hospital, or movie theatre. With augmented reality and virtual reality (AR/VR) technologies, the boundaries of the real and digital worlds are intertwined. You can put on an AR/VR head mounted display (HMD), grab a pair of hand-held controllers, and feel truly immersed in a 3D game or movie. Or you can enter a virtual, photo-realistic shopping center straight from your doorstep, try on new clothes, or see what a new sofa would look like in your own living room. The number of AR/VR applications that enhance consumer experience and make our lives more efficient is expected to see a compound annual growth rate (CAGR) of 26% in the AR/VR device market globally by 2027.
Wireless Challenges in AR/VR Entertainment Devices
Wearable AR/VR devices present unique wireless design challenges. They must be extremely energy efficient to maximize battery life and recharging interval, and minimize battery weight while processing high-bandwidth video for a natural visual experience. The latency between the VR controllers and HMD is critical – they must communicate with a minimum delay to deliver prompt responses to gestures and motion. And, fulfilling all power consumption, bandwidth, and latency requirements in AR/VR, device makers must master multiprotocol wireless design for complicated product form-factors such as VR eyeglasses.
Silicon Labs Solutions for Smart Entertainment Devices
Silicon Labs provides you with a broad wireless portfolio to design appealing AR/VR devices with reliable, low-energy, and low-latency connectivity. Our ingenious multiprotocol solutions combine Wi-Fi, Bluetooth, and Proprietary on a minimum footprint, reducing design complexity, and BoM costs. Coupled with seamless SDK integration in various modes such as NCP and SoC, we can help you launch AR/VR enabled, wireless smart entertainment devices with a quick time to market. Our Secure Vault, the most advanced IoT security solution, is certified PSA Level 3, ensuring a safe virtual experience for your users.
Design Considerations for Wireless Entertainment Devices
What should you consider when designing and developing wireless AR/VR-based smart entertainment devices? Here are our top tips for product managers and developers.
1. How to choose the best wireless protocols for AR/VR entertainment devices?
AR and VR applications have three critical wireless requirements: low power consumption, low latency, and stable connection. Silicon Labs provides high-performance Proprietary, Bluetooth, and Wi-Fi solutions for demanding indoor environments such as homes and gaming centers. Our FG22 (Proprietary), BG22, and BG24 (Bluetooth LE) are ultra-low power, high-performance SoCs providing the smoothest ultra-low transmit and receive power for the HMD and control devices. Their exceptional RX sensitivity reduces retransmissions and output power. RS9116 and SiWx917 have the best VR-class latency for Wi-Fi video streaming.
2. How to Optimize Energy Efficiency for AR/VR entertainment devices?
Power efficiency is vital for enhancing the user experience of battery-operated and rechargeable devices such as VR controllers, smart glasses, and AR/VR headsets. For the most energy-efficient Bluetooth Low Energy connectivity, BG22 is the right choice. It combines the best-in-class ultra-low transmit and receiver power with a high-performance Cortex M33 for advanced functionalities. RS9116 and SiWx917 offer single and dual-band Wi-Fi (802.11 a/b/g/n/ax) with market-leading power efficiency, Bluetooth LE co-existence, Bluetooth Classic (dual-mode), and the world’s most energy-efficient WLAN associated mode for enabling always-on Wi-Fi connectivity on battery-powered devices.
3. How to Protect AR/VR entertainment devices from Cyber-threats?
Security is one of the key concerns for the users of connected devices. It’s easy to understand why. Both the HMD and VR controllers can act as gateways to the home network for malicious attacks. Silicon Labs’ Secure Vault™ is the most advanced IoT security solution, enabling you to protect your wireless entertainment devices from the most sophisticated cyber threats and gain the users’ trust.
Wireless Design and Compact and Complex Product Form-Factors
Many AR/VR-enabled entertainment devices and wearables such as smart eyeglasses are challenging objects for designers. Silicon Labs offers several compact wireless solutions to simplify product development. The RS9116 B00 SiP module packs ultra-low-power Wi-Fi, Bluetooth dual-mode, and an RF-certified antenna into a form factor of 4.63 x 7.90 x 0.9 mm. BG22 (Bluetooth) and FG22 (Proprietary) SoCs feature dimensions of 4 x 4 mm. The new Bluetooth LE CSP SoC, BG27, with a size of 2.6 x 2.3 mm, supports extremely small designs.
Block Diagram of an AR/VR Smart Entertainment Device
Find the Right Products


EFR32BG22 Series 2 Bluetooth Low Energy (SoC)
EFR32BG22 Series 2 Bluetooth Low Energy (SoC)
EFR32BG22 and EFR32BG22E Bluetooth low energy (LE) wireless SoC solutions are part of the Wireless Gecko Series 2 platform. These devices are designed with a strong focus on energy efficiency, offering best-in-class ultra-low transmit and receive power, and a high-performance, low-power Arm® Cortex®-M33 core delivers industry-leading energy efficiency that can extend coin cell battery life up to ten years. Where BG22 allows you to create energy-efficient applications, the BG22E – ‘E’ denoting Energy Conservation – takes this a step further by enhancing battery longevity and supporting designs that eliminate the need for batteries altogether. Our BG22 and BG22E family's are the ideal market leading SoCs for Ambient IoT or Energy Harvesting devices. Target applications include Bluetooth mesh low-power nodes, smart door locks, personal healthcare and fitness devices. Asset tracking tags, beacons and indoor navigation also benefit from the SoCs' versatile Bluetooth Angle of Arrival (AoA) and Angle of Departure (AoD) capabilities and sub-one-meter location accuracy.


EFR32BG27 Series 2 Bluetooth Low Energy SoC
EFR32BG27 Series 2 Bluetooth Low Energy SoC
The EFR32BG27 family of wireless SoCs opens up new possibilities by offering an ultra-small WLCSP package (2.3 mm x 2.6 mm) capable of running on button cell batteries. Now device makers can address applications with extremely small form-factor requirements without sacrificing performance and security. The BG27 Bluetooth SoC features an integrated DCDC boost that allows operation down to 0.8 volts, enabling support for single-cell alkaline and 1.5-volt button cell batteries that are typically used in medical applications for battery-operated patches and continuous glucose monitoring (CGM) devices. Additionally, the wakeup pin on the BG27 allows products in a warehouse or transit to remain off for months, consuming less than 20 nA, ensuring the battery remains fully charged for use. The integrated coulomb counter enables accurate battery level monitoring to avoid unexpected battery depletion for critical applications. Target applications include connected medical devices, wearables, sensors, switches, smart locks, and both commercial and LED lighting.


EFR32BG24 Series 2 Bluetooth Low Energy SoC - EFR32BG24
EFR32BG24 Series 2 Bluetooth Low Energy SoC - EFR32BG24
The EFR32BG24 Wireless SoCs are ideal for IOT wireless connectivity using Bluetooth Low Energy and Bluetooth mesh for smart home, lighting, and portable medical products. With AECQ-100 qualification, support for Channel Sounding, and key features like high performance 2.4 GHz RF, low current consumption, an AI/ML hardware accelerator and Secure Vault™, IoT device makers can create the smart, robust, and energy-efficient products that are secure from remote and local cyber-attacks. An ARM Cortex®-M33 running up to 78 MHz and up to 1.5 MB of Flash and 256 kB of RAM provides resources for demanding applications while leaving room for future growth. Target applications include gateways/hubs, sensors, switches, door locks, smart plugs, LED lighting, luminaires, blood glucose meters and pulse oximeters.


EFR32FG22 (FG22) Series 2 Proprietary Wireless 2.4 GHz SoC
EFR32FG22 (FG22) Series 2 Proprietary Wireless 2.4 GHz SoC
EFR32FG22 and EFR32FG22E proprietary wireless 2.4 GHz SoC solutions are part of the Wireless Gecko Series 2 platform. FG22 SoCs integrate a 38.4 MHz Arm® Cortex®-M33 core with TrustZone and a high-performance radio with a receive sensitivity of -102.3 dBm. Where FG22 allows you to create energy-efficient applications, the FG22E – ‘E’ denoting Energy Conservation – takes this a step further by enhancing battery longevity and supporting designs that eliminate the need for batteries altogether. The SoC's combination of ultra-low transmit and receive power (8.2 mA TX at +6 dBm, 3.6 mA RX), 1.2 µA deep-sleep mode power and innovative low-power features such as RFSense delivers industry-leading energy efficiency to extend the operational life of products with limited battery or energy harvesting options such as those used by electronic shelf labels and industrial wireless sensor nodes.



SiWx917M Wi-Fi 6 plus Bluetooth LE 5.4 Wireless SoCs
SiWx917M Wi-Fi 6 plus Bluetooth LE 5.4 Wireless SoCs
Our SiWx917M SoC is our lowest power Wi-Fi 6 SoC, ideal for ultra-low power IoT wireless devices using Wi-Fi®, Bluetooth, Matter, and IP networking for secure cloud connectivity. It is optimal for developing battery operated devices that need long battery life. SiWx917M SoC includes an ultra-low power Wi-Fi 6 and Bluetooth Low Energy LE 5.4 wireless CPU subsystem, and an integrated micro-controller (MCU) application subsystem, security, peripherals and power management subsystem all in a single 7x7 mm QFN package. The wireless subsystem consists of a Network Wireless Processor running up to 160 MHz, baseband digital signal processing, analog front end, 2.4 GHz RF transceiver and integrated power amplifier. The application subsystem consists of an ARM® Cortex®-M4F running up to 180 MHz, embedded SRAM, FLASH, and Sensor Hub. The ARM® Cortex®-M4F is dedicated for peripheral and application-related processing, while the network wireless processor runs the wireless and networking stacks on independent threads, thus providing a fully integrated solution that is ready for a wide range of embedded wireless IoT applications.
Target applications include Smart Homes, Consumer Health and Wearables, Medical, Industrial, Retail, Smart Building and Cities, Asset Tracking.


Channel Sounding Optimized and High-Performance AI/ML SoCs
Channel Sounding Optimized and High-Performance AI/ML SoCs
The BG24L, optimized for Channel Sounding and Bluetooth LE applications, features a built-in AI/ML hardware accelerator that offers up to 8x faster inferencing over Cortex-M, and consumes up to 6x lower power making it ideal for cost-effective intelligent edge nodes with a long battery life. The device prioritizes security with Secure Vault Mid, safeguarding against remote attacks. The pin-compatibility of this SoC with other device families in the Silicon Labs Bluetooth portfolio allows customers to seamlessly migrate to SoCs with expanded memory, higher clock speeds, and additional security. BG24L is an ideal fit for channel sounding-related applications like Asset Tracking and Direction Finding as well as AI/ML-related applications such as Predictive Maintenance.
Additional Products and Services

Machine Learning
Silicon Labs offers ML development tools for any level of experience and suited to your specific application.

Security
To stay secure, device makers need an underlying security platform in the hardware, software, network, and cloud.

CPMS
Custom Part Manufacturing Service allows customization of wireless SoCs, modules, and MCUs at the factory.

SDK Support
Reduce your software development costs by having support for critical security patches and bug fixes for up to 10 years.
Resources
Additional Resources and Documentation

Community
Browse technical support forums, knowledge base articles and example code.

Software Reference Documentation
Develop and prototype smarter. Get to market faster.

GitHub
Explore repositories and sample code libraries from Silicon Labs
Simplicity Studio
Get up and running quickly with precompiled demos, application notes and examples. Use advanced tools including energy profiling and network analysis to optimize your MCU and wireless systems.
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