Wireless System on Chips from the Global Leader in IoT
Silicon Labs SoCs combine high-performance wireless connectivity, processing, security, and memory into highly integrated devices ideally suited for embedded designs. Our portfolio of IoT SoCs supports the most popular wireless protocols, including Bluetooth, Matter, Thread, Wi-Fi, Z-Wave, and more. Designed for performance and ultra-low power consumption, our wireless SoCs are utilized in today’s most popular connected products across smart home, industrial, and commercial applications.
Compare Silicon Labs’ Wireless SoC Families
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| MCU Core | Core Frequency | Flash (kB) | RAM (kB) | Max Output Power (dBm) | Secure Vault™ | GPIO | AI/ML Accelerator | Package Type | Package Size (mm) | Temperature Range C° | |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
EFR32SG28 Series 2 SoCs
EFR32SG28 Series 2 SoCs
|
ARM Cortex-M33 | — | 1024 | 256 | 20 | High | — | — | QFN48 , QFN68 | 6x6 , 8x8 | -40 125 |
|
EFR32SG23 Series 2 SoCs
EFR32SG23 Series 2 SoCs
|
ARM Cortex-M33 | — | 512 | 64 | 20 | High | — | — | QFN40 | 5x5 | -40 125 |
|
SiBG301 Series 3 SoCs
Bluetooth Low Energy SiBG301 SoCs (Series 3)
|
ARM Cortex-M33 | 150 | 0 , 2048 , 4096 | 512 | 10 | High | — | QFN32 , QFN40 | 4x4 , 5x5 | -40 85,125 | |
|
EFR32BG29 Series 2 SoCs
Bluetooth Low Energy EFR32BG29 SoCs (Series 2)
|
ARM Cortex-M33 | 76.8 | 1024 | 256 | 4 , 6 , 8 | High | — | QFN40 , WLCSP45 | 2.6x2.8 , 5x5 | -40,-20 55,125 | |
|
EFR32BG27 Series 2 SoCs
Bluetooth Low Energy EFR32BG27 SoCs (Series 2)
|
ARM Cortex-M33 | 76.8 | 768 | 64 | 4 , 6 , 8 | Mid | — | QFN32 , QFN40 , WLCSP39 | 2.3x2.6 , 4x4 , 5x5 | -40 85,125 | |
|
EFR32BG26 Series 2 SoCs
Bluetooth Low Energy EFR32BG26 SoCs (Series 2)
|
ARM Cortex-M33 | 78 | 1024 , 2048 , 3200 | 256 , 512 | 10 , 19.5 , 20 | High | — | BGA136 , QFN48 , QFN68 | 6x6 , 7x7 , 8x8 | -40 125 | |
|
EFR32BG24L Series 2 SoCs
Bluetooth Low Energy EFR32BG24L SoCs (Series 2)
|
ARM Cortex-M33 | 78 | 768 | 96 | 10 | Mid | — | QFN40 | 5x5 | -40 125 | |
|
EFR32BG24 Series 2 SoCs
Bluetooth Low Energy EFR32BG24 SoCs (Series 2)
|
ARM Cortex-M33 | 78 | 1024 , 1536 | 128 , 256 | 4 , 10 , 19.5 | High , Mid | — | QFN40 , QFN48 , WLCSP42 | 3.1x3.0 , 5x5 , 6x6 | -40 125 | |
|
EFR32BG22L Series 2 SoCs
Bluetooth Low Energy EFR32BG22L SoCs (Series 2)
|
ARM Cortex-M33 | 38.4 | 352 | 24 | 6 | Mid | — | QFN32 | 4x4 | -40 85 | |
|
EFR32BG22 Series 2 SoCs
Bluetooth Low Energy EFR32BG22 SoCs (Series 2)
|
ARM Cortex-M33 | 38.4 , 76.8 | 352 , 512 | 32 | 0 , 6 | — | — | — | QFN32 , QFN40 , TQFN32 | 4x4 , 5x5 | -40 85,125 |
|
EFR32BG21 Series 2 SoCs
Bluetooth Low Energy EFR32BG21 SoCs (Series 2)
|
ARM Cortex-M33 | 80 | 512 , 768 , 1024 | 64 , 96 | 10 , 10.5 , 20 | Base , Yes | — | — | QFN32 | 4x4 | -40 125 |
|
EFR32BG13 Series 1 SoCs
Bluetooth Low Energy EFR32BG13 SoCs (Series 1)
|
ARM Cortex-M4 | 40 | 512 | 64 | 0 , 10 , 19 | Base | — | — | QFN32 , QFN48 | 5x5 , 7x7 | -40 85,125 |
|
EFR32BG12 Series 1 SoCs
Bluetooth Low Energy EFR32BG12 SoCs (Series 1)
|
ARM Cortex-M4 | 40 | 512 , 1024 | 64 , 128 , 256 | 0 , 10 , 19 | Base | — | — | BGA125 , QFN48 , QFN68 | 7x7 , 8x8 | -40 85,125 |
|
EFR32BG1 Series 1 SoCs
Bluetooth Low Energy EFR32BG1 SoCs (Series 1)
|
ARM Cortex-M4 | 40 | 256 | 32 | 3.5 , 10.5 , 19.5 , 20 | — | — | — | QFN32 , QFN48 , WLCSP43 | 3.3x3.14 , 5x5 , 7x7 | -40 85,125 |
|
EFR32FG1 Series 1 Sub-GHz and 2.4 GHz SoCs
Sub-GHz and 2.4 GHz
|
ARM Cortex-M4 | 40 | 32 , 64 , 128 , 256 | 8 , 16 , 32 | 16.5 , 19.5 , 20 | — | — | — | QFN32 , QFN48 | 5x5 , 7x7 | -40 85,125 |
|
EFR32FG12 Series 1 Sub-GHz and 2.4 GHz SoCs
Sub-GHz and 2.4 GHz
|
ARM Cortex-M4 | 40 | 512 , 1024 | 64 , 128 , 256 | 19 , 20 | — | — | — | BGA125 , QFN48 , QFN68 | 7x7 , 8x8 | -40 85,125 |
|
EFR32FG13 Series 1 Sub-GHz and 2.4 GHz SoCs
Sub-GHz and 2.4 GHz
|
ARM Cortex-M4 | 40 | 512 | 64 | 19 , 20 | — | — | — | QFN32 , QFN48 | 5x5 , 7x7 | -40 85,125 |
|
EFR32FG14 Series 1 Sub-GHz and 2.4 GHz SoCs
Sub-GHz and 2.4 GHz
|
ARM Cortex-M4 | 40 | 128 , 256 | 16 , 32 | 19 , 20 | — | — | — | QFN32 , QFN48 | 5x5 , 7x7 | -40 85,125 |
|
EFR32FG22 Series 2 SoCs
Proprietary 2.4 GHz EFR32FG22 SoCs (Series 2)
|
ARM Cortex-M33 | 38.4 | 512 | 32 | 6 | — | — | — | QFN32 , QFN40 | 4x4 , 5x5 | -40 85 |
|
EFR32FG22 Series 2 SoCs
Proprietary 2.4 GHz EFR32FG22 SoCs (Series 2)
|
ARM Cortex-M33 | 38.4 | 512 | 32 | 6 | — | — | — | QFN32 , QFN40 | 4x4 , 5x5 | -40 85 |
|
EFR32FG23 Series 2 SoCs
EFR32FG23 Series 2 SoCs
|
ARM Cortex-M33 | 78 | 128 , 256 , 512 | 32 , 64 | 14 , 20 | High , Mid | — | — | QFN40 , QFN48 | 5x5 , 6x6 | -40 85,125 |
|
EFR32FG23L Series 2 SoCs
Sub-GHz Wireless SoCs
|
ARM Cortex-M33 | 78 | 128 | 32 | 14 , 20 | Mid | — | — | QFN40 | 5x5 | -40 85 |
|
EFR32FG25 Series 2 SoCs
Sub-GHz Wireless SoCs
|
ARM Cortex-M33 | — | 1152 , 1920 | 256 , 512 | 16 | High , Mid | — | — | QFN56 | 7x7 | -40 125 |
|
EFR32FG28 Series 2 SoCs
Sub-GHz Wireless + 2.4 GHz BLE SoCs
|
ARM Cortex-M33 | — | 1024 | 128 , 256 | 16 | High , Mid | — | — | QFN48 , QFN68 | 6x6 , 8x8 | -40 85,125 |
|
EZR32HG220 Sub-GHz Wireless MCPs
Proprietary EZR32HG220 Sub-GHz Wireless MCPs
|
ARM Cortex-M0+ | 25 | 32 , 64 | 8 | 13 , 20 | — | — | — | QFN48 | 7x7 | -40 85 |
|
EZR32HG320 Sub-GHz Wireless MCPs
Proprietary EZR32HG320 Sub-GHz Wireless MCPs
|
ARM Cortex-M0+ | 25 | 64 | 8 | 20 | — | — | — | QFN48 | 7x7 | -40 85 |
|
EZR32LG230 Sub-GHz Wireless MCPs
Proprietary EZR32LG230 Sub-GHz Wireless MCPs
|
ARM Cortex-M3 | 48 | 256 | 32 | 13 , 16 | — | — | — | QFN64 | 9x9 | -40 85 |
|
EZR32LG330 Sub-GHz Wireless MCPs
Proprietary EZR32LG330 Sub-GHz Wireless MCPs
|
ARM Cortex-M3 | 48 | 256 | 32 | 13 | — | — | — | QFN64 | 9x9 | -40 85 |
|
EZRadio Sub-GHz Wireless ICs
Proprietary EZRadio Sub-GHz Wireless ICs
|
— | — | — | — | 10 , 13 | — | — | — | MSOP10 , QFN20 , SOIC14 | 3 x 3 , 3x3 , 4x4 | -40 85 |
|
EZRadioPRO Sub-GHz Wireless ICs
Proprietary EZRadioPRO Sub-GHz Wireless ICs
|
— | — | — | — | 0 , 13 , 16 , 20 | — | — | — | QFN20 | 4x4 | -40 85 |
|
SiWx917 Wireless SoCs
Wi-Fi 6 plus and Bluetooth LE 5.4
|
— | — | 4096 , 8192 | 672 | — | Yes | — | QFN84 | 7x7x0.85 | -40 85 | |
|
EFR32ZG28 Series 2 SoCs
Z-Wave 800 SoCs
|
ARM Cortex-M33 | — | 1024 | 256 | 16 | High , Mid | — | — | QFN48 , QFN68 | 6x6 , 8x8 | -40 85,125 |
|
Z-Wave 700 SoCs
Z-Wave 700 SoCs
|
ARM Cortex-M4 | 39 | 256 | 32 | 13 | — | — | — | QFN32 | 5x5 | -40 85 |
|
Z-Wave 800 SoCs
EFR32ZG23 Series 2 SoCs
|
ARM Cortex-M33 | 78 | 512 | 64 | 14 , 20 | High , Mid | — | — | QFN40 , QFN48 | 5x5 , 6x6 | -40 85,125 |
|
SiMG301 Series 3 SoCs
Zigbee and Thread SiMG301 SoCs (Series 3)
|
ARM Cortex-M33 | 150 | 0 , 2048 , 3072 , 4096 | 384 , 512 | 10 | High | — | QFN32 , QFN40 | 4x4 , 5x5 | -40 85,125 | |
|
EFR32MG29 Series 2 SoCs
Zigbee EFR32MG29 SoCs (Series 2)
|
ARM Cortex-M33 | 76.8 | 1024 | 256 | 6 , 8 | High | — | QFN40 | 5x5 | -40,-20 55,125 | |
|
EFR32MG27 Series 2 SoCs
Zigbee EFR32MG27 SoCs (Series 2)
|
ARM Cortex-M33 | 76.8 | 768 | 64 | 6 , 8 | Mid | — | QFN32 , QFN40 | 4x4 , 5x5 | -40 125 | |
|
EFR32MG26 Series 2 SoCs
Zigbee and Thread EFR32MG26 SoCs (Series 2)
|
ARM Cortex-M33 | 78 | 2048 , 3200 | 256 , 512 | 10 , 19.5 | High | — | BGA136 , QFN48 , QFN68 | 6x6 , 7x7 , 8x8 | -40 125 | |
|
EFR32MG24 Series 2 SoCs
Zigbee and Thread EFR32MG24 SoCs (Series 2)
|
ARM Cortex-M33 | 78 | 1024 , 1536 | 128 , 192 , 256 | 10 , 19.5 | High , Mid | — | QFN40 , QFN48 | 5x5 , 6x6 | -40 125 | |
|
EFR32MG22 Series 2 SoCs
Zigbee EFR32MG22 SoCs (Series 2)
|
ARM Cortex-M33 | 76.8 | 512 | 32 | 6 | Base , — | — | — | QFN32 , QFN40 | 4x4 , 5x5 | -40 85,125 |
|
EFR32MG21 Series 2 SoCs
Zigbee and Thread EFR32MG21 SoCs (Series 2)
|
ARM Cortex-M33 | 80 | 512 , 768 , 1024 | 64 , 96 | 10 , 10.5 , 20 | Base , High , Mid | — | — | QFN32 | 4x4 | -40 125 |
|
EFR32MG13 Series 1 SoCs
Zigbee and Thread EFR32MG13 SoCs (Series 1)
|
ARM Cortex-M4 | 40 | 512 | 64 | 10 , 19 | Base | — | — | QFN32 , QFN48 | 5x5 , 7x7 | -40 85,125 |
|
EFR32MG12 Series 1 SoCs
Zigbee and Thread EFR32MG12 SoCs (Series 1)
|
ARM Cortex-M4 | 40 | 1024 | 128 , 256 | 10 , 19 | Base | — | — | BGA125 , QFN48 , QFN68 | 7x7 , 8x8 | -40 85,125 |
|
EFR32MG12 Series 1 SoCs
Zigbee and Thread EFR32MG12 SoCs (Series 1)
|
ARM Cortex-M4 | 40 | 1024 | 128 , 256 | 10 , 19 | Base | — | — | BGA125 , QFN48 , QFN68 | 7x7 , 8x8 | -40 85,125 |
|
EFR32MG1 Series 1 SoCs
Zigbee and Thread EFR32MG1 SoCs (Series 1)
|
ARM Cortex-M4 | 40 | 256 | 32 | 8 , 16.5 , 19.5 | — | — | — | QFN32 , QFN48 | 5x5 , 7x7 | -40 85,125 |
|
EM358x Wireless Zigbee SoCs
Zigbee SoCs
|
ARM Cortex-M3 | 24 | 256 , 512 | 32 , 64 | 8 | — | 24 | — | QFN48 | 7x7 | -40 85 |
|
EM359x Wireless Zigbee SoCs
Zigbee SoCs
|
ARM Cortex-M3 | 24 | 512 | 32 , 64 | 8 | — | 32 | — | QFN56 | 7x7 | -40 85 |
|
EM35x Wireless Zigbee SoCs
Zigbee SoCs
|
ARM Cortex-M3 | 24 | 128 , 192 | 12 | 8 | — | 24 | — | QFN48 | 7x7 | -40 85 |
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