My Inquiry
My Account
NXP Semiconductors IW612UK/A1IZ
- Part No.:
- IW612UK/A1IZ
- Manufacturer:
- NXP Semiconductors
- Category:
- RF Transceiver ICs
- Package:
- -
- Datasheet:
-
IW612UK/A1IZ.pdf
- Description:
- 2.4/5 GHZ DUAL-BAND 1X1 WI-FI6 (
- Quantity:
- Payment:
- Shipping:
Inventory:4,110
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
IW612UK/A1IZ from NXP Semiconductors is a single-chip tri-radio IC integrating 2.4/5 GHz Wi-Fi 6 (802.11ax), Bluetooth 5.2, and IEEE 802.15.4 radios - all operating concurrently with hardware-isolated protocol stacks. It delivers 802.11ax 1×1 SU/MU-MIMO, +21 dBm 802.15.4 transmit power, and dual Bluetooth LE connections, enabling Matter-over-Thread Border Router and Controller functionality in smart home gateways and industrial edge devices.
For engineers reviewing the IW612UK/A1IZ datasheet, IW612UK/A1IZ pinout, IW612UK/A1IZ application, or IW612UK/A1IZ equivalent, this page provides verified technical context on coexistence architecture, SDIO 3.0/UART/SPI host interface partitioning, integrated PA/LNA elimination of external FEMs, and real-time independent CPU/mem subsystems for Wi-Fi, BT, and 802.15.4 - critical for Matter-certified design validation.
Technical Context
The IW612UK/A1IZ implements three physically separate RF front ends sharing a single antenna interface via diplexer-based coexistence management: Wi-Fi 2.4/5 GHz Tx/Rx paths, Bluetooth/802.15.4 Tx, and shared Rx path. Each radio has dedicated ARM Cortex-M33 CPUs, SRAM, and ROM - eliminating software contention between Wi-Fi 6 OFDMA scheduling, Bluetooth LE isochronous channels, and Thread MAC acceleration.
Wi-Fi baseband supports 20/40/80 MHz bandwidths with MCS0–11 (802.11ax), LDPC coding, and DFS radar detection; Bluetooth subsystem handles simultaneous SCO/eSCO voice links with hardware-accelerated PPEC; 802.15.4 MAC includes packet filtering, timestamping, and 128-bit AES encryption - all synchronized via shared crystal oscillator (XTAL_IN/XTAL_OUT) at 38.4 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Wi-Fi Standard | IEEE 802.11ax (Wi-Fi 6), 1×1 SU/MU-MIMO, backward compatible to 802.11ac/n/a/g/b - enables high-density IoT network efficiency and low-latency uplink scheduling. |
| Bluetooth Version | Bluetooth 5.2 + LE 5.3 - supports 2 Mbps data rate, long range, extended advertising, and isochronous channels for LE Audio. |
| 802.15.4 Support | IEEE 802.15.4-2020 compliant with Thread 1.3.0 - enables Matter-over-Thread operation as Border Router or Controller. |
| Transmit Power | +21 dBm for 802.15.4; Class 1/2 for Bluetooth; integrated PA/LNA for Wi-Fi - eliminates need for external RF front-end modules. |
| Host Interfaces | SDIO 3.0 (up to SDR104, 208 MHz) for Wi-Fi; UART (3 Mbps) for Bluetooth; SPI (10 MHz) for 802.15.4 - ensures deterministic, non-contended communication paths. |
| Audio Interfaces | I2S/PCM shared pins supporting mono/dual-channel modes, 8/16-bit PCM slots, and 4.096/2.048 MHz clock rates - enables direct connection to voice codecs without external audio bridge. |
| Coexistence | Dedicated hardware coexistence logic with diplexer support for single- or dual-antenna configurations - guarantees stable concurrent tri-radio operation without software arbitration. |
Pinout & Package
The IW612UK/A1IZ is housed in a 9.0 mm × 9.0 mm × 1.0 mm 121-pin BGA package (0.5 mm pitch) with exposed thermal pad. Pin functions are defined per NXP's official IW612 reference design and application diagrams (Figures 1–2).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SDIO_CLK / CMD / D0–D3 | Wi-Fi host interface | 4-bit SDIO 3.0 bus supporting SDR104 mode - enables high-throughput Wi-Fi data transfer to external host processor. |
| UART_TX / UART_RX / UART_CTS / UART_RTS | Bluetooth host interface | Full-duplex UART with hardware flow control - supports HCI transport layer up to 3 Mbps for Bluetooth profile stack integration. |
| SPI_MOSI / MISO / SCK / CS_N | 802.15.4 host interface | 10 MHz SPI interface with dedicated chip select - provides low-latency, deterministic access to Thread MAC registers and packet buffers. |
| I2S_BCLK / LRCLK / DOUT / DIN | Digital audio interface | Shared I2S/PCM pins configurable for voice codec interfacing - supports dual Bluetooth SCO links with independent time-slot allocation. |
| XTAL_IN / XTAL_OUT | Reference clock input | 38.4 MHz crystal oscillator interface - synchronizes all three radio subsystems and digital timing domains with <±10 ppm stability. |
| GPIO_0–GPIO_15 | General-purpose I/O | Configurable as LED drivers, reset controls, or interrupt signals - enables status indication and system-level event handling without external logic. |
Key Features
| Feature | Design Value |
|---|---|
| Tri-radio hardware isolation | Dedicated ARM Cortex-M33 CPUs and memory blocks per radio - eliminate software-level interference and guarantee real-time response for Matter, Thread, and Bluetooth LE isochronous traffic. |
| Integrated RF front end | On-die PA, LNA, and T/R switch for Wi-Fi; +21 dBm PA for 802.15.4 - reduces BOM count by ≥7 RF components and eliminates FEM layout constraints. |
| Matter-ready architecture | Native Thread Border Router and Controller capability with full 802.15.4-2020 MAC acceleration - enables single-chip Matter certification without external network processors. |
| Coexistence engine | Hardware-managed diplexer control and time-sliced RF arbitration - ensures zero-packet-loss operation when Wi-Fi, BT, and 802.15.4 transmit simultaneously. |
| Audio processing support | Hardware-accelerated PPEC algorithm and dual SCO/eSCO link handling - delivers wideband speech quality without host CPU overhead. |
Applications
| Smart Speaker Gateway | Matter Border Router |
|---|---|
Use Scenario: Voice-controlled smart speaker with local Matter controller and cloud connectivity. IC Role / Device Role / Timing Role: IW612UK/A1IZ acts as primary Wi-Fi 6 AP, Bluetooth LE audio sink, and Thread Border Router - managing concurrent voice streaming, device commissioning, and local automation. Use Value: Single-chip integration eliminates inter-processor latency, enables sub-100 ms voice response, and supports simultaneous A2DP streaming + Thread device onboarding. |
Use Scenario: Home hub bridging Thread-enabled sensors (thermostats, locks) to Wi-Fi/IP cloud services. IC Role / Device Role / Timing Role: IW612UK/A1IZ operates as certified Thread Border Router with Wi-Fi 6 uplink - performing IPv6 translation, secure key provisioning, and multicast forwarding. Use Value: Integrated 802.15.4 MAC accelerator and hardware AES reduce CPU load by >40% vs. software-only implementations, extending battery life of connected end devices. |
| Industrial Edge Gateway | Smart Appliance Controller |
Use Scenario: Factory-floor gateway aggregating BLE sensors, Wi-Fi telemetry, and Thread-based asset tags. IC Role / Device Role / Timing Role: IW612UK/A1IZ serves as multi-protocol concentrator - running independent real-time stacks for Wi-Fi 6 OTT streaming, BLE sensor polling, and Thread mesh routing. Use Value: Hardware coexistence prevents channel collisions across protocols, ensuring 99.9% packet delivery in dense RF environments with >50 concurrent devices. |
Use Scenario: Wi-Fi-connected refrigerator with BLE door-open alerts and Thread-based energy monitoring. IC Role / Device Role / Timing Role: IW612UK/A1IZ functions as unified connectivity SoC - handling Wi-Fi firmware updates, BLE proximity pairing, and Thread-based power metering over same antenna interface. Use Value: Shared crystal oscillator and power domains cut standby current to <15 µA in deep sleep - meeting ENERGY STAR Tier 3 requirements for smart appliances. |
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 or 5 GHz support; RISC-V core; lower Tx power (+13 dBm) | Limited to Thread-only edge nodes; cannot serve as Matter Controller with Wi-Fi uplink | Select when cost-sensitive, Wi-Fi-free Thread endpoint design is sufficient and 5 GHz/Wi-Fi 6 is unnecessary. |
| QCA4020 | Wi-Fi 4 (802.11n) + BLE 4.2 + 802.15.4; older baseband; no MU-MIMO or OFDMA; no LE Audio or isochronous channels | Supports basic Matter but lacks Wi-Fi 6 efficiency for high-density deployments; no LE Audio readiness | Select only for legacy redesigns where Wi-Fi 6 features and LE Audio are not required. |
Compared with ESP32-H2 and QCA4020, the IW612UK/A1IZ uniquely combines Wi-Fi 6 throughput, Bluetooth 5.2 LE Audio, and Thread 1.3.0 in one die - enabling full Matter certification, concurrent multi-protocol operation, and hardware coexistence unattainable in dual-chip alternatives.
Availability
IW612UK/A1IZ is available at Aetrix Electronics and suitable for Matter-certified gateways, smart speaker platforms, industrial edge hubs, and Wi-Fi/Thread/BLE converged appliances requiring stable component supply across multi-year production cycles.
Supply support for IW612UK/A1IZ 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/A1IZ belongs to NXP's i.MX Wireless Connectivity family, engineered specifically for Matter-compliant, multi-protocol edge devices demanding concurrent Wi-Fi 6, Bluetooth LE, and Thread operation in space-constrained designs.
FAQ
What regulatory certifications does the IW612UK/A1IZ support out of the box?
The IW612UK/A1IZ supports FCC, IC, CE, UKCA, and MIC regulatory compliance for Wi-Fi 6 (2.4/5 GHz), Bluetooth 5.2, and 802.15.4 radios. Its integrated DFS radar detection, TPC, and spectrum monitoring features meet mandatory requirements for 5 GHz operation in all major regions. Pre-certified reference designs are available from NXP to accelerate end-product approval for the IW612UK/A1IZ.
Does the IW612UK/A1IZ require external flash memory for firmware storage?
Yes, the IW612UK/A1IZ requires external SPI flash memory for storing Wi-Fi, Bluetooth, and 802.15.4 firmware images and configuration tables. The chip boots from an external flash device connected to its dedicated SPI interface, supporting up to 32 MB capacity. Internal ROM contains only boot ROM and minimal recovery code - full protocol stacks reside externally to enable field-upgradable firmware for the IW612UK/A1IZ.
Can the IW612UK/A1IZ operate as both a Thread Border Router and a Matter Controller simultaneously?
Yes, the IW612UK/A1IZ natively supports concurrent Thread Border Router and Matter Controller operation. Its hardware-accelerated 802.15.4 MAC, dual-band Wi-Fi 6 uplink, and isolated Bluetooth stack allow it to manage Thread network formation, IPv6 routing, Matter device commissioning, and cloud synchronization - all in parallel without performance degradation. This dual-role capability is validated in NXP's official Matter SDK for the IW612UK/A1IZ.
What antenna configurations are supported by the IW612UK/A1IZ?
The IW612UK/A1IZ supports both single-antenna (with internal diplexer) and dual-antenna configurations. In single-antenna mode, Wi-Fi 2.4 GHz Tx/Rx, Wi-Fi 5 GHz Tx/Rx, and Bluetooth/802.15.4 Rx share one port while Bluetooth/802.15.4 Tx uses a second path. Dual-antenna mode assigns dedicated ports for Wi-Fi 2.4 GHz, Wi-Fi 5 GHz, and combined Bluetooth/802.15.4 - improving isolation and reducing mutual interference for the IW612UK/A1IZ.
Is the IW612UK/A1IZ pin-compatible with earlier IW611 or IW612 variants?
No, the IW612UK/A1IZ is not pin-compatible with IW611 or earlier IW612 revisions. It uses a distinct 121-pin BGA package with updated power delivery, RF routing, and GPIO mapping optimized for tri-radio coexistence. Migration from IW611 requires PCB redesign and firmware adaptation due to differences in host interface timing, clock tree configuration, and RF calibration parameters specific to the IW612UK/A1IZ.
IW612UK/A1IZ 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:
- -
- Current - Transmitting:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- -
IW612UK/A1IZ FAQ
1.How can I place an order for IW612UK/A1IZ through Aetrix?
Please submit a Request for Quotation (RFQ) for IW612UK/A1IZ 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/A1IZ reliable?
The price and inventory of IW612UK/A1IZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IW612UK/A1IZ is usually 5 days.
3.What payment methods are accepted for IW612UK/A1IZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IW612UK/A1IZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IW612UK/A1IZ?
IW612UK/A1IZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IW612UK/A1IZ 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/A1IZ?
For technical support, including IW612UK/A1IZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IW612UK/A1IZ requirements.
6.How does Aetrix verify that IW612UK/A1IZ is sourced from the original manufacturer or authorized distributors?
All IW612UK/A1IZ 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/A1IZ meets industry standards.
7.What is the process for return or replacement of IW612UK/A1IZ?
All IW612UK/A1IZ units undergo pre-shipment inspection (PSI). If there is an issue with IW612UK/A1IZ, 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/A1IZ part is unused and in its original packaging.
Return procedure for IW612UK/A1IZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
IW612UK/A1IZ Tags
-
ESP32-D0WD-V3
Espressif Systems
-
ESP8266EX
Espressif Systems
-
ESP32-S3
Espressif Systems
-
NRF24L01P-R7
Nordic Semiconductor ASA
-
NRF24L01P-R
Nordic Semiconductor ASA
-
ESP32-U4WDH
Espressif Systems
-
DA14531-00000OG2
Renesas
-
ESP32-C6FH4
Espressif Systems
-
DA14531-00000FX2
Renesas
-
NRF24L01P-T
Nordic Semiconductor ASA
-
NRF52810-QCAA-R
Nordic Semiconductor ASA
-
ESP32-S3FN8
Espressif Systems
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
