NXP Semiconductors

IW611UK - Dual-band Wi-Fi 6 + BT 5.4 SoC | NXP

Name: IW611UK - Dual-band Wi-Fi 6 + BT 5.4 SoC | NXP
Brand: NXP Semiconductors

MPN: IW611UK ✓ Hoạt động

140-XFBGA, WLCSP Package

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MOQ: 1 |

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IW611UK Tóm tắt

The NXP IW611UK is a highly integrated 2.4/5 GHz dual-band 1x1 Wi-Fi 6 (802.11ax) and Bluetooth/Bluetooth Low Energy 5.4 single-chip RF transceiver, housed in a 140-ball XFBGA WLCSP package. According to the NXP datasheet, the IW611 combines an RF transceiver, baseband, and full protocol stack support in one device, targeting very low system cost and low power consumption.

A Wi-Fi SoC (System-on-Chip) is an integrated circuit that combines a wireless network radio, baseband modem, MAC, and often a host interface into a single package. Within the RF and wireless hierarchy, it sits alongside other connectivity devices such as standalone Bluetooth controllers and combo modules, and forms the physical-layer foundation of IoT gateways, smart home nodes, and industrial edge devices.

Key features include concurrent dual-band 2.4/5 GHz operation at 1x1 Wi-Fi 6, Bluetooth 5.4 dual-mode (BR/EDR classic plus Low Energy), and a high level of on-chip integration that reduces the external BOM. Wi-Fi 6 technology brings OFDMA, higher modulation efficiency, and improved coexistence behavior in dense RF environments compared with Wi-Fi 4/5 devices.

The IW611 architecture integrates the complete RF front end for both bands, digital baseband processing, and memory in the 140-XFBGA WLCSP package, minimizing board area for space-constrained designs. The single-chip approach removes the need for a separate Bluetooth controller, cutting system cost and simplifying certification.

Typical applications include smart home devices and accessories, smart appliances, smart energy meters, industrial automation nodes, and IoT gateways. The dual-band radio supports robust 5 GHz operation in congested 2.4 GHz environments typical of apartments and factories.

Designers should plan antenna matching and RF layout per the NXP reference design, and confirm the correct orderable suffix (A1IZ, A1CZ, A1ITZ, A1IAZ) for firmware and temperature grade requirements.

This page synthesizes distributor pricing, drop-in same-family alternatives, pinout availability, and practical design notes not found in the manufacturer datasheet, providing a complete sourcing and engineering reference for the IW611UK.

Bộ thay thế dễ dàng lắp đặt cho IW611UK — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.

IW611UK/A1IZ

✅ Drop-In

📦 140-XFBGA, WLCSP

same die and 140-XFBGA WLCSP footprint; different firmware image and temperature/security grade suffix - pin-to-pin identical

📋 Tham chiếu thay thế (không có trong danh mục)

IW611UK/A1CZ

✅ Drop-In

📦 140-XFBGA, WLCSP

same die and package; A1CZ firmware/grade variant listed by DigiKey/Mouser - pin-to-pin identical

📋 Tham chiếu thay thế (không có trong danh mục)

IW611UK/A1ITZ

✅ Drop-In

📦 140-XFBGA, WLCSP

same die and package; A1ITZ firmware/grade variant listed by DigiKey/Mouser - pin-to-pin identical

📋 Tham chiếu thay thế (không có trong danh mục)

IW611UK/A1IAZ

✅ Drop-In

📦 140-XFBGA, WLCSP

same die and package; A1IAZ firmware/grade variant listed by DigiKey - pin-to-pin identical

📋 Tham chiếu thay thế (không có trong danh mục)

IW611UK Thông số kỹ thuật

Product Type	2.4/5 GHz dual-band 1x1 Wi-Fi 6 + Bluetooth 5.4 single-chip solution
Wi-Fi Standard	802.11ax (Wi-Fi 6), 1x1 SISO
Operating Bands	2.4 GHz and 5 GHz
Bluetooth Version	Bluetooth 5.4 / Bluetooth Low Energy 5.4
Bluetooth Topology	Dual-mode (BR/EDR + LE)
Hộp	140-XFBGA, WLCSP
Kiểu lắp đặt	Surface Mount
Danh mục	RF Transceiver IC
Target Applications	Smart home, smart appliances, smart energy, industrial automation, gateways, IoT
Integration Level	Highly integrated single-chip (RF transceiver + baseband)
System Benefit	Very low system cost and low system power via high integration

Hướng dẫn cấu hình chân IW611UK 140-xfbga, wlcsp

Cấu hình chân cho IW611UK (140-xfbga, wlcsp gói). Số thứ tự chân, chức năng và sơ đồ kết nối được xác định trong tài liệu thông số kỹ thuật của nhà sản xuất. Tham khảo nó để biết footprint và hướng dẫn hàn chính xác.

Bảng cấu hình chân 140-xfbga, wlcsp cho IW611UK

Không có dữ liệu chân cụ thể sẵn có cho IW611UK.

Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.

Ứng dụng tiêu biểu

IW611UK phù hợp cho 6 Áp dụngs: Smart Home Devices and Accessories, Smart Appliances, Smart Energy Metering, Industrial Automation Nodes, IoT Gateways, Smart Device Accessories and Wearables-Adjacent Hubs.

🧩

Smart Home Devices and Accessories

The IW611UK fits smart home products because its 1x1 Wi-Fi 6 radio delivers adequate throughput for connected bulbs, plugs, sensors, and accessories while keeping BOM cost and power low. Dual-band 2.4/5 GHz operation lets devices avoid the crowded 2.4 GHz spectrum typical of homes with dozens of Wi-Fi clients, and OFDMA in Wi-Fi 6 improves latency when many small devices talk concurrently. Bluetooth Low Energy 5.4 provides out-of-band commissioning: a phone provisions the device over BLE first, then Wi-Fi credentials transfer to the IW611. Placed on a compact two-layer-to-four-layer board with the 140-XFBGA WLCSP footprint, the single-chip solution replaces separate Wi-Fi and BLE controllers, cutting cost and board area in space-limited accessory housings.

Được đề xuất

IW611UK/A1IZ (Same-family firmware/grade variant) IW611UK/A1CZ (Same-family firmware/grade variant)

🏭

Smart Appliances

Washers, refrigerators, ovens, and HVAC controllers need dependable cloud connectivity plus a simple local service interface, and the IW611UK addresses both in one chip. The 5 GHz band support matters in kitchens and laundry rooms where 2.4 GHz interference from microwaves and neighbor networks is severe; 802.11ax efficiency keeps telemetry reliable in dense multi-apartment buildings. BLE 5.4 enables technician setup apps and end-user pairing without a display. The highly integrated single-chip design of the IW611 reduces component count on long-lifecycle appliance boards where reliability and vendor continuity matter, and NXP's industrial market focus supports multi-year supply planning. Firmware selection across the A1IZ/A1CZ/A1ITZ suffixes lets appliance makers match security and feature requirements per product tier.

Được đề xuất

IW611UK/A1ITZ (Same-family variant for appliance firmware builds)

⚡

Smart Energy Metering

Smart energy meters and gateway nodes benefit directly from the IW611's dual-mode Bluetooth 5.4 and dual-band Wi-Fi 6 combination. BLE periodic advertising enhancements in 5.4 support utility-grade commissioning and data broadcast to phones or drive-by readers, while Wi-Fi 6 backhaul pushes metering data to head-end systems over either 2.4 GHz (range) or 5 GHz (interference immunity). The single-chip integration keeps meter BOM cost low - a critical constraint at utility volumes of hundreds of thousands of units - and the WLCSP 140-ball package fits compact meter form factors. NXP explicitly lists smart energy as a target market for the IW611, and distributor stock (3500+ units reported) supports volume procurement through standard channels.

Được đề xuất

IW611UK/A1IZ (Same-family variant for metering firmware)

🏭

Industrial Automation Nodes

On factory floors, RF congestion is the dominant wireless challenge, and the IW611UK mitigates it by operating 1x1 Wi-Fi 6 in the 5 GHz band where industrial 2.4 GHz noise from legacy equipment is absent. OFDMA scheduling reduces latency jitter for sensor nodes reporting to edge gateways, and BLE 5.4 handles maintenance-tool connectivity and beacon-based asset identification. The chip's high integration lowers the cost of deploying hundreds of nodes per line, and low system power suits battery or energy-harvesting sensors. Designers should follow the NXP reference RF layout for the 140-XFBGA WLCSP and plan conformal coating compatible with chip-scale packaging. Industrial-grade suffix selection should be verified against the datasheet ordering table.

Được đề xuất

IW611UK/A1ITZ (Same-family variant for industrial builds)

🌐

IoT Gateways

Compact IoT gateways use the IW611UK as the Wi-Fi 6 client or soft-AP radio plus a BLE provisioning/management channel. As a Wi-Fi uplink, the 1x1 dual-band radio delivers sufficient throughput for sensor aggregation, while Wi-Fi 6 airtime efficiency keeps the gateway responsive when many leaf nodes contend. As BLE 5.4 controller, it accepts commissioning from mobile apps and supports local beaconing for asset tracking. The single-chip design replaces a two-chip Wi-Fi + BLE architecture, reducing gateway PCB area and cost - important in wall-plug and DIN-rail form factors. Design trade-off: 1x1 SISO limits peak throughput, so for camera-heavy or high-bandwidth gateways, evaluate NXP 2x2-class combo devices instead and accept the higher cost and power.

Được đề xuất

IW611UK/A1CZ (Same-family variant for gateway firmware)

📱

Smart Device Accessories and Wearables-Adjacent Hubs

Accessories that bridge personal devices to the home network - streaming dongles, fitness-hub bases, camera bridges - match the IW611UK's profile: 1x1 Wi-Fi 6 provides modern-standard connectivity at accessory price points, dual-band operation avoids Wi-Fi congestion near entertainment centers, and Bluetooth 5.4 classic plus LE handles pairing with phones and speakers. The WLCSP 140-ball package minimizes height and footprint for slim accessory enclosures, and NXP's emphasis on very low system cost enables aggressive retail price targets. Because BLE handles the first-time setup UX, the accessory needs no physical network jack or provisioning button matrix. Engineers should budget RF matching components per the NXP datasheet reference design and confirm antenna placement for metal-adjacent housings.

Được đề xuất

IW611UK/A1IAZ (Same-family variant for accessory firmware builds)

Tóm tắt các sản phẩm được đề xuất

IW611UK/A1IZ Same-family firmware/grade variant Được sử dụng trong: Smart Home Devices and Accessories, Smart Energy Metering IW611UK/A1CZ Same-family firmware/grade variant Được sử dụng trong: Smart Home Devices and Accessories, IoT Gateways IW611UK/A1ITZ Same-family variant for appliance firmware builds Được sử dụng trong: Smart Appliances, Industrial Automation Nodes IW611UK/A1IAZ Same-family variant for accessory firmware builds Được sử dụng trong: Smart Device Accessories and Wearables-Adjacent Hubs

What is the NXP IW611UK?

The NXP IW611UK is a highly integrated 2.4/5 GHz dual-band 1x1 Wi-Fi 6 (802.11ax) and Bluetooth/Bluetooth Low Energy 5.4 single-chip solution. According to the NXP product page, it is optimized for IoT and industrial applications including smart home, smart appliances, smart energy, industrial automation, and gateways. Its high integration level contributes to very low system cost and low power consumption, with the die packaged in a 140-ball XFBGA WLCSP.

What is the price of IW611UK?

The IW611UK family trades at approximately $6.79 per unit at single-piece quantity as of 2026-10-10, based on distributor data (icDirectory listed $6.79062 with 3500 units in stock). Volume pricing typically steps down to roughly $5.10-$5.45 at 500-1000 piece quantities. Prices vary by orderable suffix (A1IZ, A1CZ, A1ITZ, A1IAZ) and by distributor; check the live XAIPART pricing table for current tiers.

Where to buy IW611UK online?

The IW611UK is available from authorized distributors including Mouser (IW611UK/A1CZ and IW611UK/A1ITZ listings), DigiKey (IW611UK/A1CZ and IW611UK/A1ITZ, ships today), and Octopart aggregates 4 distributors for price comparison. On XAIPART you can order directly with quantity tiers from 1 to 1000+ pieces. Always verify the full orderable suffix matches your required firmware variant and temperature grade before purchase.

Is IW611UK in stock and what is the lead time?

Stock is available: icDirectory reported 3500 units in stock as of 2026-10-10, and DigiKey lists IW611UK/A1CZ and IW611UK/A1ITZ as 'Buy now, ships today'. Expertonic lists 57,000 pieces of IW611UK/A1IZ with date code 25+ for RFQ. Standard lead time from authorized distributors is immediate shipment for in-stock suffixes; quote-based channels such as Expertonic typically require 1-3 weeks coordination.

What is the difference between IW611UK/A1IZ, /A1CZ, /A1ITZ, and /A1IAZ?

All four suffixes share the same IW611 silicon in the 140-XFBGA WLCSP package and are pin-to-pin identical; the suffix codes denote firmware image, security, and temperature-grade options. For example, DigiKey lists IW611UK/A1CZ as 'IC RF TxRx Only Bluetooth, WiFi 802.11ax' and IW611UK/A1IAZ as 'IC RF 140-XFBGA, WLCSP'. Per the NXP datasheet, consult the ordering-information table to map each suffix to its exact firmware and qualification combination - the radios and pinout are the same across variants.

IW611 vs IW412 vs IW612 - which is better for IoT gateways?

The IW611 is best for cost-optimized single-stream designs needing 2.4/5 GHz Wi-Fi 6 plus Bluetooth 5.4. Other NXP wireless combo parts offer different trade-offs: some provide 2x2 MIMO or 802.15.4/Thread/Zigbee co-packaging for multiprotocol gateways, at higher cost and power. For a 1x1 gateway that needs concurrent dual-band Wi-Fi plus BT classic/LE, the IW611 delivers the lowest system cost; for mesh multiprotocol hubs, evaluate NXP parts with 802.15.4 support. Verify each with the NXP selection tables.

Can IW611UK replace IW412 in an existing design?

No, the IW611UK is not a drop-in replacement for the IW412 - the two use different packages and pin maps, so a PCB respin is required. Functionally, the IW611 upgrades the radio to Wi-Fi 6 (802.11ax) with Bluetooth 5.4, whereas the IW412 is a Wi-Fi 5-class combo. Migration requires updating the footprint, RF matching network, driver/firmware stack, and re-running regulatory certification. Treat it as a next-generation redesign, not a substitution.

What is the best drop-in replacement for IW611UK?

The closest drop-in replacements are other IW611 family suffixes: IW611UK/A1IZ, IW611UK/A1ITZ, IW611UK/A1CZ, and IW611UK/A1IAZ, all of which use the identical 140-XFBGA WLCSP footprint and pinout with the same Wi-Fi 6 + BT 5.4 radio. No cross-brand pin-compatible equivalent was found in the verified web data - competitive Wi-Fi 6/BT 5.4 combo SoCs from other vendors use different packages and require PCB redesign. Select among the suffixes based on firmware and temperature grade.

Where can I download the IW611UK datasheet PDF?

The IW611 datasheet is available as a 119-page PDF from NXP at https://www.nxp.com/docs/en/data-sheet/IW611.pdf, titled '1x1 Dual-band Wi-Fi 6 and Bluetooth Solution'. Mirror copies are hosted on alldatasheet.com for part numbers IW611UK/A1IZ and IW611 (approx. 1 MB file). Always prefer the NXP original for the current revision; third-party mirrors may lag behind the latest errata and ordering-information updates.

Where to find the IW611UK pinout?

The IW611UK pinout is documented in the 119-page NXP IW611 datasheet (https://www.nxp.com/docs/en/data-sheet/IW611.pdf) in the pin description and package sections for the 140-XFBGA WLCSP package. Because the die is a wafer-level chip-scale package with 140 balls on a fine pitch, XAIPART does not reproduce the full ball map on this page; download the official PDF and follow the NXP reference design for the correct land pattern.

Is the IW611UK suitable for smart energy and industrial applications?

Yes. The NXP product page explicitly lists smart energy, industrial automation, smart appliances, and gateways as target applications for the IW611. Its dual-band 2.4/5 GHz operation lets designs escape congested 2.4 GHz factory floors by moving traffic to the cleaner 5 GHz band, and Bluetooth Low Energy 5.4 supports commissioning and beaconing. High integration lowers BOM cost for cost-sensitive metering and appliance controllers. Verify extended-temperature requirements against the suffix chosen (e.g., industrial-grade variants).

What are the key specifications of IW611UK that engineers should know?

The IW611UK is a 2.4/5 GHz dual-band 1x1 Wi-Fi 6 (802.11ax) plus Bluetooth/Bluetooth Low Energy 5.4 single-chip transceiver from NXP Semiconductors, packaged in a 140-ball XFBGA WLCSP. It supports dual-mode Bluetooth (BR/EDR and LE), targets IoT and industrial markets, and achieves very low system cost through high on-chip integration of RF, baseband, and memory. Exact TX power, RX sensitivity, and supply voltage figures are specified in the 119-page NXP datasheet.

What is the best cross-brand equivalent for the IW611UK?

No verified cross-brand pin-compatible equivalent exists for the IW611UK. Functionally comparable Wi-Fi 6 + Bluetooth 5.4 dual-band 1x1 combo SoCs are offered by other RF silicon vendors, but each uses its own package and pin map, so none is a drop-in substitute on the same 140-XFBGA footprint. Verified web data (DigiKey cross-reference, PartGenie, Part Locator searches on 2026-10-10) returned no same-footprint cross-brand match; any brand migration requires PCB redesign, driver porting, and regulatory re-certification.

Does the IW611 support Bluetooth Low Energy 5.4 features?

Yes. The IW611 supports Bluetooth 5.4 and Bluetooth Low Energy 5.4 in a dual-mode configuration covering BR/EDR classic Bluetooth and BLE, per the NXP datasheet and DigiKey's listing of the part as 'Bluetooth v5.4'. BLE 5.4 enables features relevant to smart energy and industrial commissioning, such as periodic advertising enhancements used in metering ecosystems. For host-stack feature support (channels, PHY choices, long range), consult the NXP software/firmware release notes for the specific suffix you order.

Dữ liệu tham khảo kỹ thuật cho IW611UK — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.

Hướng dẫn chọn lựa

Choose IW611UK (with the suffix matching your required firmware and grade) when you need a cost-optimized, single-chip 2.4/5 GHz Wi-Fi 6 plus Bluetooth 5.4 combo for smart home, appliance, energy, industrial, or gateway products and can accept 1x1 SISO throughput. Select IW611UK/A1IZ for general industrial builds, A1ITZ or A1IAZ where the corresponding grade/firmware is specified by your product security requirements, and A1CZ where DigiKey/Mouser catalog stock (ships today) matters most for prototypes. All four are pin-to-pin identical on the same 140-XFBGA footprint, so switching later costs nothing in hardware. Do not choose the IW611 if you need 2x2 MIMO throughput or multiprotocol 802.15.4/Thread mesh - evaluate larger NXP wireless combos and accept higher cost, power, and package size. There is no cross-brand drop-in; any competitor Wi-Fi 6/BT 5.4 SoC requires a PCB respin and re-certification.

So sánh với các sản phẩm thay thế

Tham số	Sản phẩm này	IW611UK/A1IZ	IW611UK/A1CZ	IW611UK/A1ITZ	IW611UK/A1IAZ
Package	140-XFBGA, WLCSP	140-XFBGA, WLCSP - same	140-XFBGA, WLCSP - same	140-XFBGA, WLCSP - same	140-XFBGA, WLCSP - same
Brand	NXP Semiconductors	NXP Semiconductors	NXP Semiconductors	NXP Semiconductors	NXP Semiconductors
Wi-Fi Standard	Wi-Fi 6 (802.11ax), 1x1	Wi-Fi 6 (802.11ax), 1x1	Wi-Fi 6 (802.11ax), 1x1	Wi-Fi 6 (802.11ax), 1x1	Wi-Fi 6 (802.11ax), 1x1
Bluetooth Version	Bluetooth 5.4 / BLE 5.4	Bluetooth 5.4 / BLE 5.4	Bluetooth 5.4 / BLE 5.4	Bluetooth 5.4 / BLE 5.4	Bluetooth 5.4 / BLE 5.4
Operating Bands	2.4 GHz / 5 GHz dual-band	2.4 GHz / 5 GHz dual-band	2.4 GHz / 5 GHz dual-band	2.4 GHz / 5 GHz dual-band	2.4 GHz / 5 GHz dual-band
Firmware/Grade Suffix	Per orderable suffix ordered	A1IZ firmware/grade	A1CZ firmware/grade	A1ITZ firmware/grade	A1IAZ firmware/grade
Drop-in Compatible	Yes (within IW611 family)	Yes - pin-to-pin identical	Yes - pin-to-pin identical	Yes - pin-to-pin identical	Yes - pin-to-pin identical

Bảo phân biệt quan trọng

Wi-Fi 6 (802.11ax) at combo-SoC cost (vsIW611UK/A1IZ)
Bluetooth 5.4 dual-mode in one die (vsIW611UK/A1CZ)
Suffix flexibility without respin (vsIW611UK/A1ITZ)

Ghi chú thiết kế

The IW611UK uses a 140-ball XFBGA wafer-level chip-scale package (WLCSP), where the die expansion during solder reflow must be accommodated by the land pattern. Follow the NXP reference land pattern from the IW611 datasheet and the associated NXP hardware design application note exactly - do not scale pad geometry. Keep RF traces to the antenna (2.4/5 GHz) at 50 ohm impedance with a solid ground reference, and place the pi-matching network close to the antenna feed so the exact matching can be tuned per antenna choice.

Wi-Fi TX bursts create fast load-current transients on the supply rails. Decouple each supply pin of the IW611 per the datasheet reference design - typically bulk capacitance plus 100 nF ceramics placed within 2 mm of the balls - and use a DC-DC or LDO with adequate transient response rated for the Wi-Fi PA burst current specified in the NXP datasheet. Poor decoupling manifests as degraded EVM and reduced sensitivity, especially on the 5 GHz band, and can fail regulatory spurious-emission masks.

Ordering the wrong suffix is the most common IW611 pitfall: A1IZ, A1CZ, A1ITZ, and A1IAZ share the same silicon and package but differ in firmware image and grade options, so a mismatch can mean the device boots without the expected feature set or temperature rating. Verify the suffix against the NXP ordering-information table before releasing the BOM. Additionally, confirm BT/Wi-Fi coexistence firmware configuration early - concurrent BT and Wi-Fi traffic requires the NXP coexistence scheme enabled in the driver stack.

Thông tin tuân thủ

RoHS

Unknown

REACH

Unknown

AEC-Q100

Not Applicable

Không chì

Unknown

Không halogen

Unknown

Khoáng vật xung đột

Unknown

Compliance data not present in the verified web data retrieved on 2026-10-10. Confirm RoHS/REACH status on the official NXP IW611UK product page (https://www.nxp.com/part/IW611UK) or NXP's product compliance portal.

Dữ liệu được xác minh vào: 2026-10-10 — dữ liệu được xác minh và quản lý bởi đội ngũ kỹ thuật phần cứng của XAIPART

Nguồn: Manufacturer Datasheet, Manufacturer Product Page, Distributor, Distributor, Distributor, Distributor, Distributor, Octopart, Distributor, Manufacturer Datasheet

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Các bộ phận và thuật ngữ liên quan

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