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NXP Semiconductors IW612UK/A1CZ
- Part No.:
- IW612UK/A1CZ
- Manufacturer:
- NXP Semiconductors
- Category:
- RF Transceiver ICs
- Package:
- -
- Datasheet:
-
IW612UK/A1CZ.pdf
- Description:
- 2.4/5 GHZ DUAL-BAND 1X1 WI-FI6 (
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Product details
Overview
IW612UK/A1CZ from NXP Semiconductors is a tri-radio SoC integrating 2.4/5 GHz Wi-Fi 6 (802.11ax), Bluetooth 5.2, and IEEE 802.15.4 radios in a single chip. It delivers 1×1 dual-band Wi-Fi 6 with MU-MIMO/OFDMA, +21 dBm 802.15.4 transmit power, and hardware-accelerated LE Audio isochronous channels - enabling Matter-over-Thread and Thread Border Router functionality for smart home gateways and industrial edge devices.
For engineers reviewing the IW612UK/A1CZ datasheet, IW612UK/A1CZ pinout, IW612UK/A1CZ application, or IW612UK/A1CZ equivalent, key selection considerations include SDIO 3.0 (208 MHz) for Wi-Fi host interface, UART up to 3 Mbps for Bluetooth HCI, SPI at 10 MHz for 802.15.4, integrated PA/LNA eliminating external FEMs, and dedicated CPUs per radio subsystem for real-time coexistence.
Technical Context
The IW612UK/A1CZ implements three independent protocol stacks with physically separate baseband processors: an 802.11ax MAC/baseband supporting 20/40/80 MHz channels and MCS0–11, a Bluetooth 5.2 baseband with dual SCO/eSCO links and WBS, and an IEEE 802.15.4-2020 MAC accelerator with packet filtering and timestamping. All radios share antenna resources via configurable diplexer/SPDT switching.
Coexistence is managed at silicon level through hardware-assisted scheduling and spectral intelligence including DFS radar detection, interference classification, and CQDDR for Bluetooth LE. The device supports both single-antenna (Wi-Fi 2.4/5 GHz + BT/802.15.4 shared path) and dual-antenna configurations with independent Tx/Rx paths per band.
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 OFDMA multi-user scheduling in dense IoT environments. |
| Wi-Fi Bandwidth | 20/40/80 MHz channel support - allows flexible deployment in congested 2.4 GHz and 5 GHz regulatory domains without requiring external channel filters. |
| Bluetooth Version | Bluetooth 5.2 with LE 5.3 features - delivers 2 Mbps data rate, long range, advertising extensions, and isochronous channels for LE Audio synchronization. |
| 802.15.4 Output Power | +21 dBm integrated PA - eliminates need for external power amplifier in Thread border router applications requiring extended mesh coverage. |
| Host Interfaces | SDIO 3.0 (208 MHz), UART (3 Mbps), SPI (10 MHz) - provides deterministic, low-latency connectivity to host processors without multiplexing bottlenecks. |
| Security Support | WPA3, AES-128/256 (CCMP/GCMP), BIP-GMAC, 128-bit AES for 802.15.4 - meets Matter certification requirements for secure onboarding and encrypted device-to-device communication. |
| Audio Interfaces | I2S/PCM with 4.096 MHz/2.048 MHz clocks, mono/dual-channel modes - enables direct connection to voice codecs for smart speaker and voice assistant front-end designs. |
Pinout & Package
The IW612UK/A1CZ is housed in a 9 mm × 9 mm 121-pin LFBGA package with 0.5 mm pitch, optimized for high-density IoT PCB layouts and thermal performance in enclosed smart appliance enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SDIO_CMD / SDIO_CLK / SDIO_D[0:3] | Wi-Fi host interface | 4-bit SDIO 3.0 bus operating up to SDR104 (208 MHz) - supports high-throughput firmware updates and streaming data transfer to host processor. |
| UART_TX / UART_RX / UART_CTS / UART_RTS | Bluetooth HCI interface | Full-handshake UART supporting 3 Mbps baud rate - ensures reliable command/response exchange for Bluetooth profile stack integration. |
| SPI_MOSI / SPI_MISO / SPI_SCK / SPI_CS | 802.15.4 host interface | 10 MHz SPI bus with dedicated chip select - enables low-jitter, deterministic control of Thread network layer and MAC operations. |
| I2S_BCLK / I2S_LRCLK / I2S_DIN / I2S_DOUT | Digital audio interface | Shared I2S/PCM pins supporting 8/16-bit mono/dual-channel audio - reduces pin count while maintaining compatibility with standard voice codec ICs. |
| XTAL_IN / XTAL_OUT | Reference clock input | Supports 38.4 MHz crystal for Wi-Fi/Bluetooth timing and optional 32 kHz RTC crystal - eliminates need for external clock generators or buffers. |
| ANT_2G4 / ANT_5G / ANT_BT | RF antenna terminals | Three dedicated RF ports with internal diplexer/SPDT switching - enables flexible single- or dual-antenna system architectures without external RF switches. |
Key Features
| Feature | Design Value |
|---|---|
| Tri-radio coexistence engine | Hardware-scheduled time-division and spectral intelligence (DFS assist, interference classification) - prevents Wi-Fi/Bluetooth/802.15.4 collisions without host CPU intervention. |
| Matter-ready architecture | Native Thread Border Router and Matter Controller capability with integrated 802.15.4 MAC accelerator - enables certified Matter over Wi-Fi and Thread without external MCU or network processor. |
| Integrated RF front end | On-die PA (+21 dBm), LNA, and Tx/Rx switch for all bands - reduces BOM cost by $0.35–$0.60 and eliminates 3–5 external RF components per design. |
| Dedicated protocol processors | Independent CPUs for Wi-Fi, Bluetooth, and 802.15.4 subsystems - guarantees real-time response for time-critical BLE connections and Thread packet forwarding. |
| LE Audio isochronous support | Hardware-accelerated isochronous channels with precise timing alignment - enables synchronized multi-stream audio delivery for true wireless stereo and hearing aid applications. |
Applications
| Smart Speaker Gateway | Matter Border Router |
|---|---|
Use Scenario: Voice-controlled smart speaker acting as primary hub for local Matter device management and cloud relay. IC Role / Device Role / Timing Role: Tri-radio coordinator managing concurrent Wi-Fi client connections, Bluetooth LE audio streaming, and Thread network formation. Use Value: Single-chip integration eliminates inter-processor latency, enabling sub-50 ms voice command response and seamless handoff between Wi-Fi and Thread networks. | Use Scenario: Wall-mounted residential gateway bridging legacy Zigbee/Z-Wave devices to Matter ecosystem via Wi-Fi and Thread. IC Role / Device Role / Timing Role: Thread Border Router with Wi-Fi uplink, performing IPv6 routing, DNS-SD advertisement, and secure commissioning proxy functions. Use Value: Integrated +21 dBm 802.15.4 PA extends Thread mesh range to 30+ meters indoors, reducing need for repeater nodes in multi-room deployments. |
| Smart Appliance Control Panel | Industrial Building Automation Node |
Use Scenario: Refrigerator or oven control panel requiring local UI responsiveness, OTA updates, and secure cloud telemetry. IC Role / Device Role / Timing Role: Primary connectivity SoC handling Wi-Fi firmware updates, Bluetooth LE diagnostics, and 802.15.4 sensor data aggregation. Use Value: SDIO 3.0 interface enables 100+ MB OTA update delivery in under 90 seconds; dedicated Bluetooth CPU maintains continuous diagnostic link during Wi-Fi transfers. | Use Scenario: HVAC controller in commercial building deploying Thread-based occupancy/lighting sensors across multiple floors. IC Role / Device Role / Timing Role: Edge node executing local automation logic while relaying sensor data via Wi-Fi to central BMS server. Use Value: Hardware-accelerated 802.15.4 MAC reduces CPU load by 45%, allowing real-time PID loop execution alongside concurrent radio operations. |
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 radio only; no Wi-Fi or Bluetooth; RISC-V core; 6 dBm output power | Limited to Thread-only edge nodes without Matter controller or Wi-Fi uplink capability | Select when cost-sensitive, low-power sensor endpoints are required without gateway functionality. |
| BCM4390 | Wi-Fi 6 + Bluetooth 5.2 only; no 802.15.4/Thread support; requires external MCU for Matter stack | Suitable for Wi-Fi-first smart displays but cannot serve as native Thread Border Router | Select when existing design uses Broadcom ecosystem and Thread is not required in first-generation product. |
Compared with ESP32-H2 and BCM4390, the IW612UK/A1CZ uniquely integrates all three radios with dedicated processing resources and native Matter software support - enabling full Matter controller, border router, and multi-protocol coexistence in one die without external protocol translation layers.
Availability
IW612UK/A1CZ is available at Aetrix Electronics and suitable for smart home gateways, Matter-certified appliances, and industrial building automation systems requiring stable component supply, long-term lifecycle assurance, and qualified production volumes.
Supply support for IW612UK/A1CZ 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 IW612UK/A1CZ belongs to NXP's i.MX Wireless family, engineered specifically for Matter-compliant, multi-protocol edge devices that unify Wi-Fi, Bluetooth, and Thread in resource-constrained embedded systems.
FAQ
What is the primary function of the IW612UK/A1CZ in a Matter ecosystem?
The IW612UK/A1CZ serves as both a Matter Controller and Thread Border Router, enabling local device commissioning, secure IP-based communication across Wi-Fi and Thread networks, and cloud synchronization. Its integrated tri-radio architecture allows the IW612UK/A1CZ to manage concurrent Matter interactions without external protocol translation, making it ideal for certified smart home hubs and gateways.
Does the IW612UK/A1CZ require external RF front-end modules (FEMs)?
No, the IW612UK/A1CZ integrates a complete RF front end including power amplifier (PA), low-noise amplifier (LNA), and transmit/receive switch for both 2.4 GHz and 5 GHz Wi-Fi bands, plus a +21 dBm PA for 802.15.4. This eliminates the need for external FEMs, reducing BOM cost and PCB area while simplifying RF layout and certification testing for the IW612UK/A1CZ.
Which host interfaces does the IW612UK/A1CZ provide for connecting to an external processor?
The IW612UK/A1CZ provides SDIO 3.0 (up to 208 MHz) for Wi-Fi, UART (up to 3 Mbps) for Bluetooth HCI, and SPI (up to 10 MHz) for 802.15.4. These dedicated, non-multiplexed interfaces ensure deterministic latency and bandwidth allocation per radio subsystem - a critical requirement for real-time coexistence in the IW612UK/A1CZ.
How does the IW612UK/A1CZ handle interference between its three integrated radios?
The IW612UK/A1CZ employs hardware-level coexistence arbitration using time-division scheduling, dynamic frequency selection (DFS) with radar pulse detection, and spectral intelligence for interference classification. Unlike software-managed solutions, this ensures zero-packet-loss operation during simultaneous Wi-Fi download, Bluetooth LE audio streaming, and 802.15.4 sensor polling - a guaranteed behavior of the IW612UK/A1CZ architecture.
Is the IW612UK/A1CZ qualified for industrial temperature operation?
Yes, the IW612UK/A1CZ is rated for industrial temperature range (–40 °C to +85 °C) and designed for reliability in enclosed smart appliance and building automation environments. Its thermal design and package construction meet JEDEC JESD22-A104 qualification standards, ensuring stable operation across the full industrial range without derating - a key specification confirmed for the IW612UK/A1CZ.
IW612UK/A1CZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- 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:
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- Current - Transmitting:
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- Operating Temperature:
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- Grade:
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- Qualification:
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- Supplier Device Package:
- -
IW612UK/A1CZ FAQ
1.How can I place an order for IW612UK/A1CZ through Aetrix?
Please submit a Request for Quotation (RFQ) for IW612UK/A1CZ 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 IW612UK/A1CZ reliable?
The price and inventory of IW612UK/A1CZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IW612UK/A1CZ is usually 5 days.
3.What payment methods are accepted for IW612UK/A1CZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IW612UK/A1CZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IW612UK/A1CZ?
IW612UK/A1CZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IW612UK/A1CZ 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 IW612UK/A1CZ?
For technical support, including IW612UK/A1CZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IW612UK/A1CZ requirements.
6.How does Aetrix verify that IW612UK/A1CZ is sourced from the original manufacturer or authorized distributors?
All IW612UK/A1CZ 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 IW612UK/A1CZ meets industry standards.
7.What is the process for return or replacement of IW612UK/A1CZ?
All IW612UK/A1CZ units undergo pre-shipment inspection (PSI). If there is an issue with IW612UK/A1CZ, 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 IW612UK/A1CZ part is unused and in its original packaging.
Return procedure for IW612UK/A1CZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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