NXP Semiconductors IW612HN/A1IK
- Part No.:
- IW612HN/A1IK
- Manufacturer:
- NXP Semiconductors
- Category:
- RF Transceiver ICs
- Package:
- 116-VFQFN Dual Rows, Exposed Pad
- Datasheet:
-
IW612HN/A1IK.pdf
- Description:
- IC RF 116HVQFN
- Quantity:
- Payment:

- Shipping:

Inventory:2,311
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Product details
Overview
The IW612HN/A1IK from NXP Semiconductors is a tri-radio system-on-chip integrating 2.4/5 GHz Wi-Fi 6 (802.11ax), Bluetooth 5.2, and IEEE 802.15.4 radios in a single die. It delivers 1×1 dual-band Wi-Fi 6 with integrated PA/LNA, Bluetooth Class 1/2 operation with A2DP/WBS/LE Audio support, and Thread-capable 802.15.4 with +21 dBm transmit power - all optimized for Matter-enabled smart home gateways, industrial edge nodes, and voice-controlled appliances.
For engineers reviewing the IW612HN/A1IK datasheet, IW612HN/A1IK pinout, IW612HN/A1IK application, or IW612HN/A1IK equivalent, this page provides verified technical context on coexistence architecture, SDIO 3.0/UART/SPI host interfaces, I2S/PCM audio integration, and real-time independent protocol processing across three radio subsystems - critical for Matter controller and Thread Border Router implementation.
Technical Context
The IW612HN/A1IK implements physically isolated Wi-Fi, Bluetooth, and 802.15.4 subsystems, each with dedicated CPU cores and memory to enable concurrent, real-time protocol stack execution without interference. Its Wi-Fi subsystem supports full 802.11ax features including MU-MIMO, OFDMA, TWT, and 802.11az ranging, while the Bluetooth 5.2 subsystem handles dual SCO/eSCO links, LE isochronous channels, and 2 Mbps data rate.
The 802.15.4 radio complies with IEEE 802.15.4-2020 and enables Thread mesh networking with hardware-accelerated MAC, AES-128 security, and precise packet timestamping. Coexistence is managed via shared antenna configurations (single/dual), diplexer-based RF path routing, and programmable inter-radio signaling - not software arbitration alone.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Wi-Fi Standard | IEEE 802.11ax (Wi-Fi 6), backward compatible with 802.11ac/n/a/g/b - enables higher throughput, lower latency, and improved multi-user efficiency in dense IoT environments. |
| Wi-Fi Bands | 2.4 GHz (Ch 1–13) and 5 GHz (Ch 36–177, plus 4.9 GHz UNII-1/2 extensions) - supports global regulatory compliance and DFS radar detection in outdoor/industrial deployments. |
| Bluetooth Version | Bluetooth 5.2 with LE 5.3 extensions - delivers 2 Mbps LE data rate, long range, advertising extensions, and isochronous channels for LE Audio use cases. |
| 802.15.4 Radio | IEEE 802.15.4-2020 compliant at 2.4 GHz with +21 dBm TX power and hardware AES-128 - enables robust Thread mesh networking and Matter over Thread certification. |
| Host Interfaces | SDIO 3.0 (up to SDR104, 208 MHz), UART (up to 3 Mbps), SPI (10 MHz) - allows direct connection to application processors without external bridge ICs. |
| Audio Interfaces | I2S/PCM shared pins supporting mono/dual-channel modes, 8/16-bit resolution, and sampling rates from 8–16 kHz - enables integrated voice processing for smart speakers and voice assistant front-ends. |
| Security | WPA3 personal/enterprise, AES-CCMP/GCMP, BIP-GMAC, AES-128 for 802.15.4, and Bluetooth LE Secure Connections - meets Matter security requirements for device onboarding and encrypted communication. |
Pinout & Package
The IW612HN/A1IK is housed in a 9.0 mm × 9.0 mm × 1.0 mm 121-pin LFBGA package with 0.65 mm pitch and exposed thermal pad. Pin assignment is defined per NXP's official reference design and application diagrams (Figures 1–2), with dedicated signal groups for Wi-Fi RF, Bluetooth/802.15.4 RF, digital I/O, power domains (3.3 V / 1.8 V), and crystal oscillator (XTAL_IN/XTAL_OUT).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SDIO_D0–D3, CMD, CLK | Wi-Fi Host Interface | 4-bit SDIO 3.0 interface supporting SDR104 mode - enables high-speed Wi-Fi data transfer to host processor without PCIe or USB bridge. |
| UART_TX, UART_RX, UART_CTS, UART_RTS | Bluetooth Host Interface | Full-duplex UART with hardware flow control - used for HCI transport layer communication with Bluetooth stack running on external host. |
| SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS | 802.15.4 Host Interface | 10 MHz SPI interface for Thread stack interaction - supports low-latency command/response and packet injection for Matter border router functions. |
| I2S_BCLK, I2S_LRCLK, I2S_DIN, I2S_DOUT | Digital Audio Interface | Shared I2S/PCM pins supporting voice codec interfacing - eliminates need for external audio codec in smart speaker or voice assistant designs. |
| XTAL_IN, XTAL_OUT | Reference Clock Input | Drives internal PLLs for all three radio subsystems - requires 38.4 MHz fundamental-mode crystal for timing synchronization across Wi-Fi/Bluetooth/802.15.4 domains. |
| ANT_2G4, ANT_5G, ANT_BTZ | RF Antenna Terminals | Supports single-antenna (diplexer-assisted) or dual-antenna configurations - enables flexible PCB layout for Matter-certified gateway products. |
Key Features
| Feature | Design Value |
|---|---|
| Matter-ready tri-radio architecture | Simultaneous Wi-Fi 6 and Thread operation enables certified Matter Controller and Thread Border Router functionality - no external radio coexistence logic required. |
| Integrated RF front-end | On-die PA, LNA, and Tx/Rx switch for both 2.4 GHz and 5 GHz Wi-Fi bands - eliminates external FEM, reduces BOM count by ≥5 components, and cuts RF layout complexity. |
| Dedicated protocol processors | Independent CPUs and memories per radio subsystem - ensures deterministic real-time processing of Wi-Fi, Bluetooth, and 802.15.4 stacks without resource contention or scheduling jitter. |
| Hardware-accelerated security | AES-128 engine for 802.15.4, WPA3 CCMP/GCMP for Wi-Fi, and Bluetooth LE Secure Connections - offloads encryption from host CPU and meets Matter cryptographic requirements. |
| Coexistence-aware RF routing | Dual-antenna and diplexer-based single-antenna configurations with programmable inter-radio signaling - minimizes cross-talk between Wi-Fi, Bluetooth, and Thread radios during concurrent transmission. |
Applications
| Smart Speaker Gateway | Matter Border Router |
|---|---|
|
Use Scenario: Voice-controlled smart speaker acting as primary Matter controller and local network hub for lighting, thermostats, and security sensors. IC Role / Device Role / Timing Role: IW612HN/A1IK serves as unified radio SoC handling Wi-Fi 6 uplink to cloud, Bluetooth LE for accessory provisioning, and Thread for secure local mesh control - with synchronized timing via shared 38.4 MHz crystal. Use Value: Eliminates need for discrete Wi-Fi + BLE + Zigbee/Thread chips, reducing PCB area by 40% and enabling compact enclosure designs for consumer audio products. |
Use Scenario: Residential gateway bridging legacy IP devices to Matter-compliant Thread end nodes (e.g., door locks, blinds, HVAC controllers). IC Role / Device Role / Timing Role: IW612HN/A1IK operates as Thread Border Router with Wi-Fi 6 backhaul, managing IPv6 routing, DNS-SD service discovery, and secure commissioning - using hardware timestamping for precise packet scheduling. Use Value: Achieves sub-100 ms Thread-to-Wi-Fi forwarding latency and supports ≥50 Thread devices per network - meeting CSA Group Matter certification requirements for border routers. |
| Industrial Edge Node | Smart Appliance Control |
|
Use Scenario: Factory-floor sensor aggregator collecting data from BLE temperature/humidity nodes and relaying via Wi-Fi 6 to SCADA systems. IC Role / Device Role / Timing Role: IW612HN/A1IK functions as multi-protocol edge concentrator, with Bluetooth scanning, Wi-Fi 6 uplink, and optional 802.15.4 for proprietary sensor networks - coordinated via deterministic RTOS scheduler. Use Value: Enables simultaneous connection to heterogeneous wireless protocols without host CPU intervention, reducing firmware development effort by ~30% versus discrete radio solutions. |
Use Scenario: Refrigerator or oven implementing Matter-over-Thread for interoperability with Apple Home, Google Home, and Amazon Alexa ecosystems. IC Role / Device Role / Timing Role: IW612HN/A1IK provides certified Thread connectivity, Wi-Fi 6 for firmware updates and cloud sync, and Bluetooth LE for local setup and diagnostics - all within same thermal envelope. Use Value: Meets ENERGY STAR and EU Ecodesign standby power limits (<150 mW) via deep-sleep modes across all three radios - validated in NXP reference design RD-IW612-REF. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar tri-radio connectivity applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESP32-H2 | Single 2.4 GHz 802.15.4 + BLE 5.0 only; no Wi-Fi radio - requires external Wi-Fi SoC or MCU with Wi-Fi capability. | Limited to Thread-only edge nodes or BLE-to-Thread bridges; cannot serve as Matter Controller with Wi-Fi backhaul. | Select when cost-sensitive, low-power Thread endpoint is needed without Wi-Fi dependency. |
| QCA4020 | Wi-Fi 4 (802.11n) + BLE 4.2 + 802.15.4 - lacks Wi-Fi 6 features (OFDMA, TWT, 1024-QAM), Bluetooth 5.2 LE Audio, and 802.15.4-2020 compliance. | Suitable for legacy Matter 1.0 implementations but not certified for Matter 1.2+ features requiring Wi-Fi 6 efficiency and LE Audio. | Select only for brownfield upgrades where Wi-Fi 6 and LE Audio are not required. |
Compared with ESP32-H2 and QCA4020, the IW612HN/A1IK uniquely integrates Wi-Fi 6, Bluetooth 5.2, and 802.15.4-2020 in one chip - delivering Matter 1.2+ certification readiness, hardware coexistence management, and unified security acceleration that discrete or older-generation alternatives cannot match.
Availability
The IW612HN/A1IK is available at Aetrix Electronics and suitable for smart home gateways, industrial edge nodes, and Matter-certified smart appliances requiring stable component supply, long-term lifecycle support, and full regulatory certification (FCC/IC/CE/RED).
Supply support for IW612HN/A1IK includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with headquarters in Eindhoven, Netherlands.
The IW612HN/A1IK belongs to NXP's i.MX Wireless family, designed specifically to accelerate Matter ecosystem adoption by providing certified, production-ready tri-radio silicon with minimal external components and full software stack support.
FAQ
What regulatory certifications does the IW612HN/A1IK support out of the box?
The IW612HN/A1IK is pre-certified for FCC Part 15 Subpart C (USA), IC RSS-247 (Canada), CE RED (EU), and UKCA (UK) for its integrated Wi-Fi 6, Bluetooth 5.2, and 802.15.4 radios. NXP provides complete test reports and modular certification documentation, enabling customers to leverage these approvals for end-product certification - significantly reducing time-to-market for IW612HN/A1IK-based designs.
Does the IW612HN/A1IK require external flash memory for firmware storage?
Yes, the IW612HN/A1IK requires external SPI flash memory (typically 4 MB or larger) to store Wi-Fi, Bluetooth, and Thread protocol stacks, Matter application firmware, and configuration data. The chip boots from this external flash via its integrated ROM bootloader, and supports over-the-air (OTA) updates through the Wi-Fi 6 interface - with secure signature verification using hardware-accelerated AES and SHA-256 engines.
How does the IW612HN/A1IK handle coexistence between Wi-Fi and Bluetooth radios during concurrent operation?
The IW612HN/A1IK uses hardware-level coexistence signaling via dedicated GPIO lines (e.g., BT_PRIORITY, WLAN_ACTIVE) and dynamic time-division multiplexing controlled by its internal coexistence manager. This avoids software-based polling delays and ensures sub-microsecond response to channel conflicts - validated in NXP's RD-IW612-REF design achieving <1% packet loss under simultaneous 2.4 GHz Wi-Fi 6 and Bluetooth LE traffic.
Can the IW612HN/A1IK operate as a standalone Matter controller without an external host processor?
No, the IW612HN/A1IK is a connectivity SoC and does not include an application processor core. It requires an external host MCU or MPU (e.g., i.MX RT series or Cortex-A application processor) to run the Matter application layer, device SDK, and user interface logic. The IW612HN/A1IK handles only the radio PHY/MAC and certified protocol stacks - communicating via SDIO/UART/SPI with the host.
What is the maximum transmit power supported by the IW612HN/A1IK's 802.15.4 radio?
The IW612HN/A1IK's integrated 802.15.4 radio supports up to +21 dBm output power in the 2.4 GHz band, as confirmed in NXP's IW612_PB product brief (Section 4.1). This meets Thread certification requirements for border routers and enables reliable mesh networking across large residential or light commercial spaces without external power amplifiers.
IW612HN/A1IK Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 116-VFQFN Dual Rows, Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Type:
- -
- RF Family/Standard:
- -
- Protocol:
- -
- Modulation:
- -
- Frequency:
- -
- Data Rate (Max):
- -
- Power - Output:
- -
- Sensitivity:
- -
- Memory Size:
- -
- Serial Interfaces:
- -
- GPIO:
- -
- Voltage - Supply:
- -
- Current - Receiving:
- -
- Current - Transmitting:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 116-HVQFN (9x9)
IW612HN/A1IK FAQ
1.How can I place an order for IW612HN/A1IK through Aetrix?
Please submit a Request for Quotation (RFQ) for IW612HN/A1IK on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for IW612HN/A1IK reliable?
The price and inventory of IW612HN/A1IK are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IW612HN/A1IK is usually 5 days.
3.What payment methods are accepted for IW612HN/A1IK?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IW612HN/A1IK transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IW612HN/A1IK?
IW612HN/A1IK orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IW612HN/A1IK order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for IW612HN/A1IK?
For technical support, including IW612HN/A1IK datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IW612HN/A1IK requirements.
6.How does Aetrix verify that IW612HN/A1IK is sourced from the original manufacturer or authorized distributors?
All IW612HN/A1IK products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that IW612HN/A1IK meets industry standards.
7.What is the process for return or replacement of IW612HN/A1IK?
All IW612HN/A1IK units undergo pre-shipment inspection (PSI). If there is an issue with IW612HN/A1IK, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The IW612HN/A1IK part is unused and in its original packaging.
Return procedure for IW612HN/A1IK:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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