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Skyworks Solutions Inc. SKY65534-11
- Part No.:
- SKY65534-11
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- RF Front End (LNA + PA)
- Package:
- 16-XFQFN Exposed Pad
- Datasheet:
-
SKY65534-11.pdf
- Description:
- MOD FEM 2.4G PA+LNA+SP3T 16QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,585
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Product details
Overview
SKY65534-11 from Skyworks Solutions is a fully integrated 2.4 GHz WLAN/Bluetooth® front-end module (FEM) combining PA, SP3T switch, LNA with bypass, harmonic filter, and power detector. It delivers +19 dBm output at 3% EVM (64-QAM 3/4), 26 dB transmit gain, and 12 dB receive gain for compact mobile WiFi/BT coexistence systems.
For engineers reviewing the SKY65534-11 datasheet, SKY65534-11 pinout, SKY65534-11 application, or SKY65534-11 equivalent, key selection criteria include its 2.5 × 2.5 mm QFN package, 3.6 V single-supply operation, integrated positive-slope power detector with 20 dB dynamic range, and SP3T switching for concurrent WiFi/Bluetooth antenna sharing.
Technical Context
The SKY65534-11 integrates a high-efficiency 2.4 GHz PA with harmonic filtering, an SP3T switch enabling shared antenna path between WiFi TX/RX and Bluetooth, and an LNA with digital bypass mode to reduce noise figure in receive chain. Its transmit path supports direct battery connection at 3.6 V nominal supply.
It features a fully matched 50 Ω input/output interface, eliminating external matching components, and includes a digital enable control for precise transmitter power ramp-up/down timing-critical for meeting IEEE 802.11n spectral mask and EVM requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Range | 2.40–2.484 GHz - Covers full IEEE 802.11b/g/n and Bluetooth Classic 2.4 GHz ISM band. |
| Output Power | +19 dBm @ 3% EVM, 64-QAM 3/4 - Meets WiFi throughput and range requirements for portable devices. |
| Transmit Gain | 26 dB - Enables low-drive-level interfacing with typical transceiver output stages. |
| Receive Gain | 12 dB - Improves system sensitivity without requiring additional LNA stages. |
| Power Detector Range | 20 dB dynamic range - Supports closed-loop TX power control across multiple modulation schemes and data rates. |
| Supply Voltage | 3.6 V nominal - Direct compatibility with lithium-ion battery voltage rails in smartphones and tablets. |
| Package | 16-pin QFN, 2.5 × 2.5 mm - Enables ultra-compact RF layout in space-constrained SIP and mobile PCBs. |
Pinout & Package
The SKY65534-11 is housed in a 16-pin, 2.5 × 2.5 mm Quad Flat No-Lead (QFN) package, MSL1 rated per JEDEC J-STD-020. All I/Os are internally matched to 50 Ω, minimizing external component count.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_PA | PA supply input | 3.6 V DC input for power amplifier stage; requires local decoupling. |
| EN | Digital enable control | Active-high logic input controlling PA on/off and power ramp timing. |
| DET | Power detector output | Analog voltage proportional to TX output power; used for feedback control. |
| ANT | Antenna port | Single RF node connecting to shared WiFi/Bluetooth antenna; internal SP3T routed here. |
| RF_IN | Transceiver RX input | 50 Ω-matched receive path input from transceiver; connects to LNA input. |
| RF_OUT | Transceiver TX output | 50 Ω-matched transmit path output to transceiver; connects to PA input. |
| GND | Ground reference | All 7 ground pins provide low-inductance return paths for RF and digital sections. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated SP3T switch | Enables single-antenna concurrent operation of 2.4 GHz WiFi and Bluetooth without external switching circuitry. |
| LNA with digital bypass | Reduces noise figure during active receive while allowing low-loss path when bypassed for alternate modes. |
| Fully matched 50 Ω I/O | Eliminates need for external impedance-matching networks, reducing BOM and layout complexity. |
| Positive-slope power detector | Provides monotonic analog output for accurate closed-loop TX power calibration across temperature and voltage. |
| Ultra-compact QFN package | 2.5 × 2.5 mm footprint supports high-density RF integration in smartphones and wearable modules. |
Applications
| Smartphone WiFi/BT Coexistence | Tablet WLAN Front-End |
|---|---|
Use Scenario: Concurrent 2.4 GHz WiFi data streaming and Bluetooth headset audio in slim-profile smartphones. IC Role / Device Role / Timing Role: Front-end module managing antenna sharing, TX amplification, RX signal conditioning, and power monitoring. Use Value: Eliminates discrete switch and matching components, reducing RF section area by >40% versus discrete solutions. | Use Scenario: High-throughput 802.11n connectivity in mid-size tablets with limited PCB real estate. IC Role / Device Role / Timing Role: Integrated PA/LNA/switch delivering +19 dBm output and 12 dB RX gain with minimal external support. Use Value: Achieves >100 Mbps PHY rate at 10 m range while maintaining 3% EVM under battery-varying conditions. |
| SIP Module Integration | Portable IoT Gateway |
Use Scenario: Embedding WLAN/BT connectivity into compact System-in-Package modules for industrial edge nodes. IC Role / Device Role / Timing Role: Standalone RF FEM providing complete transceiver-to-antenna interface with digital enable and analog power feedback. Use Value: Enables drop-in RF subsystem integration with no RF tuning required during module assembly. | Use Scenario: Battery-powered wireless gateway aggregating BLE sensors and forwarding via 2.4 GHz WiFi. IC Role / Device Role / Timing Role: Dual-mode RF front-end supporting time-sliced WiFi uplink and Bluetooth peripheral scanning. Use Value: LNA bypass mode reduces current draw during BT-only operation, extending battery life by ~18% vs. fixed-gain LNA. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar WLAN/Bluetooth front-end applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Qorvo QPF4206 | Supports 2.4 GHz only; same 2.5 × 2.5 mm QFN but uses different enable polarity and lacks integrated power detector. | Requires external ADC or comparator for TX power monitoring; suitable where closed-loop control is handled externally. | Select QPF4206 if system already implements discrete power sensing and prioritizes cost over integration. |
| Infineon BGU7005 | Smaller 2.0 × 2.0 mm package; lower +17 dBm output; no integrated LNA bypass control-LNA always active. | Higher RX noise figure in bypass-critical use cases; optimized for ultra-low-power BLE-centric designs. | Choose BGU7005 when board space is <4 mm² and peak WiFi output is not required. |
Compared with QPF4206 and BGU7005, the SKY65534-11 uniquely combines integrated power detection, LNA bypass, and SP3T switching in a single 2.5 × 2.5 mm package-reducing total solution size and simplifying calibration for dual-mode mobile devices.
Availability
SKY65534-11 is available at Aetrix Electronics and suitable for WiFi-enabled smartphones, tablets, and portable IoT gateways requiring stable component supply and consistent RF performance across production volumes.
Supply support for SKY65534-11 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
Skyworks Solutions is a global leader in high-performance analog semiconductors, specializing in RF, mobile, and infrastructure connectivity solutions.
The SKY65534-11 belongs to Skyworks' WLAN front-end module product line, engineered specifically for space-constrained, battery-powered consumer devices needing seamless 2.4 GHz WiFi/Bluetooth coexistence.
FAQ
What is the primary function of the SKY65534-11 in a 2.4 GHz wireless system?
The SKY65534-11 serves as a complete front-end module integrating PA, SP3T switch, LNA with bypass, harmonic filter, and power detector. It replaces six to eight discrete RF components in WiFi/Bluetooth designs, enabling direct transceiver-to-antenna connectivity while maintaining +19 dBm output and 12 dB receive gain. The SKY65534-11 simplifies layout and improves yield in high-volume mobile production.
Does the SKY65534-11 require external matching components?
No-the SKY65534-11 features fully matched 50 Ω input and output ports, eliminating the need for external impedance-matching networks. This reduces bill-of-materials cost and PCB area, and removes variability introduced by manual RF tuning. All RF paths-including PA output, LNA input, and antenna interface-are factory-tuned to meet 802.11n spectral and EVM requirements. The SKY65534-11 achieves this within its 2.5 × 2.5 mm QFN package.
How does the LNA bypass mode in the SKY65534-11 improve system efficiency?
The LNA bypass mode in the SKY65534-11 routes receive signals around the LNA amplifier using an internal switch, reducing insertion loss and current consumption during low-sensitivity or Bluetooth-only operation. This extends battery life in portable devices and lowers noise figure degradation when cellular filters are present. The SKY65534-11 implements this via a dedicated digital control line, enabling dynamic mode selection synchronized with protocol stack events.
What is the role of the integrated power detector in the SKY65534-11?
The SKY65534-11 includes a positive-slope analog power detector with 20 dB dynamic range, providing real-time feedback of transmitted RF power for closed-loop calibration. It enables accurate output power setting across temperature, voltage, and frequency without external sensing circuitry. This feature is essential for maintaining regulatory compliance and link reliability in the SKY65534-11's target applications.
Is the SKY65534-11 compatible with standard PCB assembly processes?
Yes-the SKY65534-11 uses a 16-pin QFN package compliant with JEDEC J-STD-020 MSL1 rating (260 °C reflow), making it compatible with standard lead-free SMT assembly lines. Its thermal pad design supports efficient heat dissipation, and all pins are spaced at 0.4 mm pitch for reliable solder joint formation. The SKY65534-11 has been validated in high-yield smartphone manufacturing environments.
SKY65534-11 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- RF Type:
- 802.11b/g/n, Bluetooth, WLAN
- Frequency:
- 2.4GHz
- Features:
- SP3T
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-QFN (2.5x2.5)
SKY65534-11 FAQ
1.How can I place an order for SKY65534-11 through Aetrix?
Please submit a Request for Quotation (RFQ) for SKY65534-11 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 SKY65534-11 reliable?
The price and inventory of SKY65534-11 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SKY65534-11 is usually 5 days.
3.What payment methods are accepted for SKY65534-11?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SKY65534-11 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SKY65534-11?
SKY65534-11 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SKY65534-11 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 SKY65534-11?
For technical support, including SKY65534-11 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SKY65534-11 requirements.
6.How does Aetrix verify that SKY65534-11 is sourced from the original manufacturer or authorized distributors?
All SKY65534-11 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 SKY65534-11 meets industry standards.
7.What is the process for return or replacement of SKY65534-11?
All SKY65534-11 units undergo pre-shipment inspection (PSI). If there is an issue with SKY65534-11, 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 SKY65534-11 part is unused and in its original packaging.
Return procedure for SKY65534-11:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SKY65534-11 Tags
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RFX2401C
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