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Synaptics, founded in 1986 in San Jose, California, USA, is a manufacturer of human interface (HMI) hardware and software.
Acquired the Wireless IoT Connectivity business from Broadcom in July 2020, with certain rights to Wi-Fi®, Bluetooth®, GPS/GNSS products and business in the IoT market, as well as future product roadmaps developed with modern processes I got The wireless connectivity products developed by Synaptics have a track record of being among the first to develop and bring to market IP compatible with the latest standards, such as being adopted in IEEE 802.11ax (Wi-Fi 6) compatible smartphones. -The-Top) It is also used in a wide range of IoT devices such as service terminals, security cameras, and smart home devices.
In this article, we will introduce the Triple Combo Wireless SoC, which is particularly noteworthy among Synaptics' latest products.
What is Triple Combo Wireless SoC?
A product that has Wi-Fi and Bluetooth in one package has been known as a "combo wireless SoC", but the "triple combo wireless SoC" announced as a new product in 2022 has Wi-Fi and Bluetooth in addition to This product is equipped with IEEE802.15.4 (Thread/Zigbee/Matter). All wireless standards use the 2.4GHz band, but the unique Coex engine makes it possible to determine when to turn on/off which wireless standard under various conditions.
By using triple combo products, high speed video/data transmission is Wi-Fi, audio/file transmission is Bluetooth, low power sensor/control network is IEEE802.15.4, etc. Supporting three wireless standards enables seamless and secure connections between the latest IoT devices.
Product specifications in a little more detail
The triple combo wireless SoC has a product called SYN4381/4382, which uses the latest 16nm process and has ultra-low power consumption, and supports Wi-Fi 6E, which became available in Japan in September 2022. Using the 6 GHz band, which has been underutilized until now, is expected to alleviate congestion in wireless communications and speed up communications.
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SYN4381 |
SYN4382 |
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Wi-Fi 6/6E *IEEE 802.11ax + extended 6GHz operation |
Wi-Fi 6E 1x1 Data rate 600Mbps |
Wi-Fi 6E 2x2+1x1 (RSDB) Data rate 1200Mbps |
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Bluetooth5.3 *Supports LE audio, high precision distance measurement (HADM) |
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IEEE802.15.4 |
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Small package (mm) |
4.99 x 4.14 |
5.78 x 5.15 |
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host interface |
WLAN：PCIe(Gen2), SDIO 3.0, USB 2.0 BT：UART |
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What is RSDB (Real time Simultaneous Dual Band)?
RSDB (Real time Simultaneous Dual Band) is a technology that allows two different Wi-Fi bands to operate simultaneously, which is useful for applications that require high throughput.
It is also the difference between SYN4381 and SYN4382, SYN4381 supports Wi-Fi 6E 1x1 and SYN4382 supports Wi-Fi 6E 2x2+1x1 RSDB.
The figure below shows the configuration of SYN4382. The Main core written as WIFI 1 can communicate with 2 streams by 2x2 MIMO (Multi Input Multi Output), and the Aux core written as WIFI 2 can communicate with 1 stream of 1x1. It means that For example, 2x2 can communicate at 2.4GHz and 1x1 at 5GHz (or 6GHz) at the same time.
Also, Bluetooth and IEEE802.15.4 are configured to share one stream with separate modems.
Recommended Applications for Triple Combo Wireless SoC
For OEMs manufacturing IoT devices and for users with multiple devices, it is imperative that IoT devices can interconnect seamlessly and frustration-free.
In particular, the use of Synaptics triple combo products that support Wi-Fi, Bluetooth, and IEEE802.15.4 is expanding in game consoles, security cameras, smart home devices, and terminals for OTT (Over-The-Top) services. In addition, SYN4381, which features ultra-low power consumption, is increasingly being used in wearable devices such as smartwatches.
SYN4381 received the following awards:
・2022 Product of the Year Award for IoT Platforms
Contact Us
Synaptics wireless connectivity products include triple combo wireless SoCs (SYN4381, SYN4382) as well as Wi-Fi and Bluetooth combo products (1x1, 2x2). Please feel free to contact us if you require detailed product specifications.
