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NXP Semiconductors IW416UK/A1CZ
- Part No.:
- IW416UK/A1CZ
- Manufacturer:
- NXP Semiconductors
- Category:
- RF Transceiver ICs
- Package:
- 76-UFBGA, WLCSP
- Datasheet:
-
IW416UK/A1CZ.pdf
- Description:
- IC RF TXRX 802.15.4 76WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,175
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Product details
Overview
IW416UK/A1CZ from NXP Semiconductors is a dual-band 1×1 Wi-Fi 4 (802.11n) and Bluetooth 5.1/5.2 Combo SoC supporting simultaneous 2.4 GHz/5 GHz operation with peak PHY rate of 150 Mbit/s, integrated TX PAs/RX LNAs, and SDIO 3.0 + UART host interfaces. It enables compact voice-assist devices, smart speakers, and IP cameras requiring low-cost, coexistence-optimized wireless connectivity.
For engineers reviewing the IW416UK/A1CZ datasheet, IW416UK/A1CZ pinout, IW416UK/A1CZ application, or IW416UK/A1CZ equivalent, key selection considerations include WLCSP76 package dimensions (3.95 × 3.565 × 0.495 mm), commercial temperature range (0–70°C), Bluetooth LE 2 Mbps/Long Range support, and hardware-based Wi-Fi/Bluetooth coexistence arbitration.
Technical Context
The IW416UK/A1CZ integrates independent ARM-based CPUs (Wi-Fi at 160 MHz, Bluetooth at 128 MHz), on-die RF front ends for both 2.4 GHz and 5 GHz bands, and a central hardware packet traffic arbiter for real-time Wi-Fi/Bluetooth coexistence. It supports dynamic rapid channel switching (DRCS) and external radio coexistence via WCI-2 or PTA interfaces.
Its dual-antenna configuration enables fully simultaneous Wi-Fi and Bluetooth operation; single-antenna mode supports concurrent 5 GHz Wi-Fi and Bluetooth TX/RX while arbitrating 2.4 GHz operations. The SoC implements AES encryption for Wi-Fi (WPA3/WPA2) and Bluetooth LE, with dedicated I2S/PCM audio interfaces for voice applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Wi-Fi Standard | IEEE 802.11a/b/g/n, dual-band 2.4 GHz & 5 GHz, 1×1 SISO, MCS7 (150 Mbit/s @ 40 MHz) |
| Bluetooth Version | Bluetooth 5.1 certified, Bluetooth 5.2 qualified; supports LE 2 Mbps, Long Range, Periodic Advertising Sync Transfer |
| Host Interfaces | SDIO 3.0 (Wi-Fi), UART up to 3 Mbit/s (Bluetooth), shared I2S/PCM audio interface |
| Supply Voltages | 1.05 V (core), 1.8 V (I/O, RF, SDIO), 2.2 V (VPA); supports deep-sleep, standby, and sleep power modes |
| Package & Temp | WLCSP76 (3.95 × 3.565 × 0.495 mm, 0.35 mm pitch), commercial grade (0 to 70°C) |
| Coexistence | Hardware PTA arbiter + WCI-2 interface; supports simultaneous dual-radio operation and external 802.15.4 radio coordination |
| Security | AES/CCMP (WPA3/WPA2), AES/CMAC (802.11w), LE Secure Connections, LE Privacy 1.2 |
Pinout & Package
Package: WLCSP76 (76-bump wafer-level chip-scale package, 3.95 mm × 3.565 mm × 0.495 mm body, 0.35 mm bump pitch).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SD_DAT[0]–[3], SD_CMD, SD_CLK | Wi-Fi SDIO 3.0 interface | 6-line SDIO bus for high-speed host communication; requires 1.8 V I/O voltage (VIO_SD) |
| UART_SIN, UART_SOUT, UART_RTSn, UART_CTSn | Bluetooth UART interface | Full-handshake UART up to 3 Mbit/s; supports HCI transport layer integration |
| I2S_LRCLK, I2S_BCLK, I2S_DIN, I2S_DOUT | Dedicated audio interface | Shared pins with PCM; supports stereo audio capture/playback in voice-enabled IoT endpoints |
| BRF_ANT, RF_TR_2, RF_TR_5 | RF antenna control paths | Single-ended Bluetooth antenna port + separate 2.4 GHz and 5 GHz TR switches for dual-band operation |
| WCI-2_SIN, WCI-2_SOUT | External radio coexistence | Two-wire WCI-2 interface compliant with Bluetooth Core Spec; enables arbitration with 802.15.4 or other radios |
| XTAL_IN, XTAL_OUT | Reference clock input/output | Supports 26 MHz crystal oscillator; critical for RF timing stability and frequency accuracy across both radios |
| PDn | Power-down control | Active-low signal enabling hardware-initiated deep-sleep mode to minimize system standby current |
| GPIO[0]–[15] | Configurable general-purpose I/O | Multiplexed functions including JTAG, PCM, and coexistence signals; supports level-shifting and interrupt generation |
Key Features
| Feature | Design Value |
|---|---|
| Dual-radio hardware coexistence | Central PTA arbiter enables deterministic, low-latency arbitration between Wi-Fi and Bluetooth without host CPU intervention |
| Integrated RF front end | On-chip 2.4 GHz/5 GHz PAs, LNAs, and TR switches eliminate 6+ external RF components and simplify antenna matching |
| Simultaneous dual-band operation | Dynamic Rapid Channel Switching allows concurrent 2.4 GHz and 5 GHz Wi-Fi traffic under single-stream constraints |
| Bluetooth LE enhancements | 2 Mbps PHY and Long Range (Coded PHY) extend battery life and coverage in asset tracking and sensor networks |
| Audio-ready interface | I2S/PCM sharing reduces pin count while supporting wideband speech (WBS) and SCO/eSCO links for voice assistants |
| Secure boot & runtime protection | OTP memory stores MAC address and calibration data; AES engines accelerate encryption for both Wi-Fi and BLE stacks |
Applications
| Voice-Assist Devices | Smart Home Gateways |
|---|---|
Use Scenario: Compact, battery-efficient smart speaker with far-field voice pickup and cloud-based assistant integration. IC Role / Device Role / Timing Role: Primary wireless SoC handling concurrent Wi-Fi streaming and Bluetooth LE peripheral discovery with low-latency audio path. Use Value: Integrated I2S/PCM and hardware coexistence reduce BOM cost and ensure glitch-free voice command transmission during background Wi-Fi updates. |
Use Scenario: Central hub coordinating Zigbee, Matter, and BLE sensors across residential automation systems. IC Role / Device Role / Timing Role: Dual-radio controller managing time-critical BLE sensor polling while maintaining stable 5 GHz Wi-Fi uplink to cloud services. Use Value: WCI-2 interface enables seamless coordination with external 802.15.4 radios; DRCS prevents band congestion during firmware OTA. |
| IP Cameras | Industrial Asset Trackers |
Use Scenario: HD security camera transmitting encrypted video over Wi-Fi while supporting Bluetooth provisioning and firmware updates. IC Role / Device Role / Timing Role: Single-chip connectivity solution providing secure Wi-Fi video streaming and Bluetooth LE maintenance interface. Use Value: AES/CCMP and AES/CMAC acceleration offloads encryption from host MCU; SDIO 3.0 ensures sufficient bandwidth for H.264/H.265 streams. |
Use Scenario: Battery-powered logistics tag reporting location and environmental data via BLE and uploading batches over Wi-Fi. IC Role / Device Role / Timing Role: Low-power wireless SoC operating in deep-sleep between BLE advertising intervals and scheduled Wi-Fi bursts. Use Value: Hardware PTA and optimized sleep modes extend battery life beyond 2 years; LE Long Range extends read range in warehouse environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-band Wi-Fi 4 and Bluetooth combo SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESP32-WROVER-B | Wi-Fi 4 (802.11b/g/n), Bluetooth 4.2 BR/EDR/LE; no 5 GHz support; integrated 4 MB PSRAM; Tensilica LX6 dual-core MCU | Targeted at cost-sensitive, MCU-centric designs where 5 GHz is unnecessary and embedded application processing is required | Select when needing onboard application execution and 2.4 GHz-only operation; avoid if 5 GHz throughput or Bluetooth 5.1 LE features (e.g., 2 Mbps, Long Range) are mandatory |
| QCA4020 | Wi-Fi 4 (2.4 GHz only), Bluetooth 5.0; ARM Cortex-M4F MCU; supports Thread/Matter; no integrated PA/LNA | Designed for Matter-over-Thread gateway bridging with BLE peripheral support; requires external RF front-end components | Choose for Matter-certified ecosystems requiring Thread border router functionality; not suitable for compact 5 GHz client devices or RF-BOM-sensitive designs |
Compared with ESP32-WROVER-B and QCA4020, the IW416UK/A1CZ delivers native 5 GHz Wi-Fi, Bluetooth 5.1/5.2 LE enhancements, and fully integrated RF front end-enabling smaller form factors, higher throughput, and lower system-level RF design risk in commercial voice and video endpoints.
Availability
IW416UK/A1CZ is available at Aetrix Electronics and suitable for smart speakers, IP cameras, and voice-assist devices requiring stable component supply, commercial-temperature-grade wireless SoCs with integrated coexistence logic and audio interfaces.
Supply support for IW416UK/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 focused on secure connectivity solutions for automotive, industrial, and IoT markets, with expertise in RF, security, and edge processing.
The IW416UK/A1CZ belongs to NXP's i.MX Wireless family, designed specifically for ultra-compact, low-power consumer and industrial wireless endpoints requiring certified dual-radio performance without external RF complexity.
FAQ
What wireless standards does the IW416UK/A1CZ support?
The IW416UK/A1CZ supports IEEE 802.11a/b/g/n (Wi-Fi 4) across 2.4 GHz and 5 GHz bands with MCS7 (150 Mbit/s) peak rate, and Bluetooth 5.1/5.2 with full LE feature set including 2 Mbps PHY, Long Range, and Periodic Advertising Sync Transfer. It is Bluetooth 5.2 certified and implements WPA3/WPA2 security protocols.
Does the IW416UK/A1CZ require external RF components?
No-the IW416UK/A1CZ integrates transmit power amplifiers (PAs), receive low-noise amplifiers (LNAs), and TX/RX switches for both Wi-Fi and Bluetooth radios. This eliminates the need for external RF front-end modules in most designs, reducing BOM count and PCB area while simplifying antenna matching for both 2.4 GHz and 5 GHz bands.
What host interfaces are available on the IW416UK/A1CZ?
The IW416UK/A1CZ provides SDIO 3.0 (for Wi-Fi), UART up to 3 Mbit/s (for Bluetooth), and a shared I2S/PCM audio interface. All interfaces are implemented on multiplexed GPIO pins, allowing flexible layout while maintaining dedicated signal integrity for high-speed and audio-critical paths.
How does Wi-Fi/Bluetooth coexistence work on the IW416UK/A1CZ?
The IW416UK/A1CZ uses a central hardware packet traffic arbiter (PTA) to coordinate real-time transmit/receive arbitration between its on-chip Wi-Fi and Bluetooth radios. It also supports external coexistence via WCI-2 or PTA interfaces, enabling deterministic scheduling with third-party radios like 802.15.4 without host software involvement.
What is the package type and thermal specification of the IW416UK/A1CZ?
The IW416UK/A1CZ is supplied in a WLCSP76 package measuring 3.95 mm × 3.565 mm × 0.495 mm with 0.35 mm bump pitch. It is rated for commercial temperature operation from 0°C to 70°C, making it suitable for indoor consumer electronics such as smart speakers, printers, and home automation gateways.
IW416UK/A1CZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 76-UFBGA, WLCSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Type:
- TxRx Only
- RF Family/Standard:
- 802.15.4, Bluetooth, Cellular, WiFi
- Protocol:
- 802.11a/b/g/n, Bluetooth
- Modulation:
- 4-DQPSK, 8-DPSK, 16-QAM, 64-QAM, BPSK, GFSK, OFDM, QPSK
- Frequency:
- 2.4GHz, 5GHz
- Data Rate (Max):
- 150Mbps
- Power - Output:
- 21dBm
- Sensitivity:
- -99dBm
- Memory Size:
- -
- Serial Interfaces:
- GPIO, I2C, I2S, PCM, SDIO, UART
- GPIO:
- -
- Voltage - Supply:
- 1.05V, 1.8V, 2.2V
- Current - Receiving:
- 5µA ~ 72mA
- Current - Transmitting:
- 240µA ~ 325mA
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 76-WLCSP (3.95x3.565)
IW416UK/A1CZ FAQ
1.How can I place an order for IW416UK/A1CZ through Aetrix?
Please submit a Request for Quotation (RFQ) for IW416UK/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 IW416UK/A1CZ reliable?
The price and inventory of IW416UK/A1CZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IW416UK/A1CZ is usually 5 days.
3.What payment methods are accepted for IW416UK/A1CZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IW416UK/A1CZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IW416UK/A1CZ?
IW416UK/A1CZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IW416UK/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 IW416UK/A1CZ?
For technical support, including IW416UK/A1CZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IW416UK/A1CZ requirements.
6.How does Aetrix verify that IW416UK/A1CZ is sourced from the original manufacturer or authorized distributors?
All IW416UK/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 IW416UK/A1CZ meets industry standards.
7.What is the process for return or replacement of IW416UK/A1CZ?
All IW416UK/A1CZ units undergo pre-shipment inspection (PSI). If there is an issue with IW416UK/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 IW416UK/A1CZ part is unused and in its original packaging.
Return procedure for IW416UK/A1CZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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