IW611UK-A1CZ - Dual-Band Wi-Fi 6 + BT 5.4 SoC | NXP
MPN: IW611UK-A1CZ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.85 | $38.50 |
| 100 | $3.4 | $340.00 |
| 500 | $3.05 | $1,525.00 |
| 1,000 | $2.75 | $2,750.00 |
IW611UK-A1CZ Overview
A Wi-Fi 6 combo SoC is a wireless system-on-chip that integrates the RF transceiver, baseband/MAC, memory, and power management needed to implement 802.11ax connectivity plus Bluetooth on one die. Within the wireless-connectivity hierarchy it sits below full gateway SoCs but above simple Bluetooth-only ICs, serving as the complete radio subsystem for smart and industrial devices.
Key features include dual-band 1x1 Wi-Fi 6 with OFDMA and MU-MIMO downlink support for congested RF environments, Bluetooth 5.4 with LE for long-range and low-power sensor links, and a very high level of integration that reduces system bill-of-materials cost. The single-chip approach removes the need for a separate Bluetooth controller and minimizes external components.
Architecturally, the IW611 combines a 2.4 GHz and 5 GHz radio front end, Wi-Fi 6 baseband, and Bluetooth controller with shared antenna switching, targeting low system cost. Concurrency between Wi-Fi and Bluetooth is managed on-chip, simplifying coexistence design compared with two-chip discrete solutions.
Typical applications include smart home devices and accessories, smart appliances, smart energy meters, industrial automation nodes, and embedded gateways, where dual-band Wi-Fi 6 throughput and BLE provisioning are both required in a compact footprint.
Design consideration: the 140-XFBGA WLCSP ball grid array requires careful PCB stackup and antenna keep-out planning; follow the NXP reference design for the RF matching network and power decoupling to meet regulatory and coexistence performance.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for IW611UK-A1CZ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
IW612UK-A1CZ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
IW611UK-A1CZ Specifications
| Product Type | Wi-Fi 6 + Bluetooth 5.4 combo SoC |
| Wi-Fi Standard | 802.11ax (Wi-Fi 6) |
| Bluetooth Version | Bluetooth 5.4 / Bluetooth Low Energy |
| Frequency Bands | 2.4 GHz and 5 GHz dual-band |
| 5 GHz Frequency Range | 5.17 GHz to 5.895 GHz |
| Antenna Configuration | 1x1 (single stream) |
| Supply Voltage | 1.8 V to 3.3 V |
| Package | 140-XFBGA, WLCSP |
| Mounting Type | Surface Mount |
| Integration Level | Single-chip (RF, baseband, MAC, PMU integrated) |
| Target Applications | Smart home, smart appliances, smart energy, industrial automation, gateways |
| Category (DigiKey) | RF Transceiver ICs |
IW611UK-A1CZ 140-xfbga, wlcsp Pin Configuration Guide
Pin configuration for IW611UK-A1CZ (140-xfbga, wlcsp package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for IW611UK-A1CZ.
Refer to the datasheet for full pin configuration.
Typical Applications
IW611UK-A1CZ is suitable for 6 applications: Smart Home Devices, Smart Appliances, Smart Energy Metering, Industrial Automation Nodes, Embedded Gateways, Smart Devices and Accessories.
Smart Home Devices
The IW611UK/A1CZ fits smart home devices because it combines dual-band 1x1 Wi-Fi 6 and Bluetooth 5.4 Low Energy in one chip, eliminating a second radio IC and its coexistence circuitry. Wi-Fi 6 OFDMA improves responsiveness in homes crowded with 20+ connected devices, while BLE 5.4 handles out-of-box provisioning from a phone app. In a smart plug or thermostat, the IW611 sits on the main PCB with a shared 2.4/5 GHz antenna; the 1x1 configuration is sufficient for command/control traffic under 100 Mbps, and single-chip integration reduces BOM cost versus a two-chip Wi-Fi + BLE design.
Recommended
Smart Appliances
Smart refrigerators, washers, and ovens benefit from the IW611UK/A1CZ because appliances often sit in kitchens where the 2.4 GHz band is saturated; the 5 GHz band (5.17 GHz to 5.895 GHz) provides a cleaner channel for cloud telemetry and OTA firmware updates. The 1.8 V to 3.3 V supply range integrates with appliance main boards. NXP explicitly lists smart appliances among the IW611's target applications. Design consideration: metal appliance chassis require external or window-dip antennas, and Wi-Fi 6 power-save features keep standby energy consumption within energy-star limits.
Recommended
Smart Energy Metering
For smart energy meters and grid-edge devices, the IW611UK/A1CZ provides secure dual-band connectivity plus BLE 5.4 for local field-service commissioning via smartphone. NXP's product page names smart energy as a primary IW611 application. The highly integrated single-chip design helps meter manufacturers meet aggressive cost targets for high-volume deployment, while 1x1 Wi-Fi 6 delivers ample throughput for interval metering data and DLMS/COSEM payloads. BLE provisioning lets installers configure meter parameters on-site without a physical access point, and Wi-Fi 6 power management suits battery-assist meter variants.
Recommended
Industrial Automation Nodes
Industrial automation nodes - sensor gateways, machine monitors, and PLC peripherals - use the IW611UK/A1CZ where wireless flexibility is needed. The 5 GHz band avoids the interference from welders, motors, and legacy 2.4 GHz industrial Wi-Fi, while Bluetooth 5.4 supports maintenance diagnostics via ruggedized handhelds. NXP lists industrial automation among the IW611's target segments. Single-chip integration shortens qualification cycles because one wireless module covers both data backhaul and local commissioning. Verify extended temperature ratings and conformal-coating compatibility against the datasheet for harsh factory-floor conditions.
Recommended
Embedded Gateways
Embedded gateways bridging sensor networks to the cloud use the IW611UK/A1CZ as the Wi-Fi 6 uplink radio. Its dual-band 1x1 architecture provides congestion-robust backhaul on 5 GHz while BLE 5.4 onboards nearby battery-powered sensor nodes during commissioning. Per NXP documentation, gateways are a primary IW611 application, and the high integration level keeps gateway BOM cost low compared with discrete radio pairs. Typical placement pairs the IW611 with a host MCU or applications processor over the host interface; Wi-Fi 6 OFDMA helps when the gateway aggregates dozens of concurrent IoT clients.
Recommended
Smart Devices and Accessories
Connected accessories such as trackers, wearables-adjacent hubs, and smart gadget accessories adopt the IW611UK/A1CZ for its compact 140-ball WLCSP package and dual-radio capability. BLE 5.4 provides the low-energy tether to the user's phone, while Wi-Fi 6 offers high-bandwidth cloud sync when a home network is available - a combination single-radio parts cannot deliver. The 1.8 V to 3.3 V supply range suits battery-powered designs with efficient regulators. NXP names smart devices and accessories as a core IW611 market; the single-chip design minimizes PCB area in space-constrained accessory enclosures.
Recommended
Recommended Products Summary
Engineering reference data for IW611UK-A1CZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | IW612UK-A1CZ |
|---|---|---|
| Package | 140-XFBGA, WLCSP | 140-XFBGA, WLCSP - verify ball map |
| Brand | NXP Semiconductors | NXP Semiconductors |
| Wi-Fi Standard | Wi-Fi 6 (802.11ax) | Wi-Fi 6 (802.11ax) |
| Bluetooth Version | Bluetooth 5.4 / LE | Bluetooth 5.4 / LE |
| Bands | 2.4 GHz + 5 GHz | 2.4 GHz + 5 GHz |
| 5 GHz Range | 5.17 GHz to 5.895 GHz | 5.17 GHz to 5.895 GHz |
| Supply Voltage | 1.8 V to 3.3 V | 1.8 V to 3.3 V |
| Extended Protocols (802.15.4/Thread) | No | Yes (family variant) |
| Lifecycle Status | Active | Active |
Key Differentiators
- Single-chip dual-radio integration (vs Discrete Wi-Fi 6 + BLE two-chip solutions)
- Bluetooth 5.4 (latest core version) (vs IW612 family is equivalent, but older combo SoCs ship BT 5.2/5.3)
- Cost-optimized vs family sibling (vs IW612UK-A1CZ)
Design Notes
The IW611UK/A1CZ uses a 140-ball XFBGA WLCSP package, which demands tight PCB stackup control: typical WLCSP routing requires microvia-in-pad or via-in-pad with filled vias under the ball array. Follow the NXP IW611 reference design for RF trace geometry - keep the antenna feed line at 50 ohms with a solid ground reference, and maintain the recommended antenna keep-out zone. Place the RF matching network components exactly per the reference design because WLCSP parasitics are included in NXP's matching calculations.
Supply the IW611UK/A1CZ from a clean 1.8 V to 3.3 V rail per distributor-verified specifications. RF transmit bursts create load transients; use the decoupling network from the NXP reference design (bulk plus high-frequency ceramics at each supply ball group) to minimize supply ripple that degrades EVM and phase noise. Estimate: peak transmit current is not published in the provided web data - confirm per-rail current figures from the IW611 datasheet power-management section before sizing your DC-DC converter.
Do not assume software compatibility with other vendors' Wi-Fi combo chips - the IW611 uses NXP's wireless software stack and driver ecosystem, so plan your host driver integration early. Additionally, dual-band operation requires dual-band antenna hardware; a 2.4 GHz-only antenna will severely degrade 5 GHz (5.17-5.895 GHz) performance. Finally, verify regulatory domain settings (FCC/ETSI channel and power tables) in firmware before certification testing.
Compliance Information
Compliance status was not stated in the provided web data. Modern NXP products are typically RoHS compliant; confirm on the official NXP product page for IW611UK before procurement.
