Texas Instruments CC3100 SimpleLink Wi-Fi User Manual
Internet of things solution layout guidelines
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Summary of Contents for Texas Instruments CC3100 SimpleLink Wi-Fi
- Page 1 ® CC3100 and CC3200 SimpleLink™ Wi-Fi Internet of Things Solution Layout Guidelines User's Guide Literature Number: SWRU370B June 2014 – Revised August 2018...
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Page 2: Table Of Contents
Power ........................Clock ........................ Digital I/O ......................QFN Ground ....................Recommended Footprint ........................... Summary ......................Additional References .......................... Revision History Table of Contents SWRU370B – June 2014 – Revised August 2018 Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated... - Page 3 Recommended Values for the PCB ......................Power Management ................Characteristic of Recommended 32K XTAL ................Characteristic of Recommended 40M XTAL SWRU370B – June 2014 – Revised August 2018 List of Figures Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated...
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Page 4: Trademarks
In addition to this document, TI recommends verifying the schematic board design with the associated schematic checklist. Trademarks SimpleLink, Internet-on-a-chip, E2E are trademarks of Texas Instruments. ARM, Cortex are registered trademarks of ARM Limited. Wi-Fi is a registered trademark of Wi-Fi Alliance. All other trademarks are the property of their respective owners. -
Page 5: Device Overview
Start the design with the industry’s first Internet-on-a-chip™. Created for the Internet of Things (IoT), the SimpleLink Wi-Fi family has several variants. The CC3100 SimpleLink Wi-Fi and IoT solution dramatically simplifies the implementation of Internet connectivity. This product integrates all protocols for Wi-Fi and Internet, which greatly minimizes host microcontroller (MCU) software requirements. -
Page 6: Pcb Design Rules
The power planes for the power amplifier (PA), analog blocks and the main input supply are routed on this layer Power + signal ® SWRU370B – June 2014 – Revised August 2018 CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Layout Guidelines Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated... -
Page 7: Layout Information
INDUCTOR 2.2UH 20% 1008 Figure 2. CC3100BOOST 3.3-A Placement Diagram SWRU370B – June 2014 – Revised August 2018 ® CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Submit Documentation Feedback Layout Guidelines Copyright © 2014–2018, Texas Instruments Incorporated... -
Page 8: Layer Information
6 mils (4 mils, if possible) and the power pins with 12 mils and above. Figure 3. Layer-1 ® SWRU370B – June 2014 – Revised August 2018 CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Layout Guidelines Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated... - Page 9 This is also required to meet the IEEE spectral mask specifications. Figure 4. Layer-2 SWRU370B – June 2014 – Revised August 2018 ® CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Submit Documentation Feedback Layout Guidelines Copyright © 2014–2018, Texas Instruments Incorporated...
- Page 10 (PA) and the main supply input to the device. More details are available in subsequent sections. Figure 5. Layer-3 ® SWRU370B – June 2014 – Revised August 2018 CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Layout Guidelines Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated...
- Page 11 The solder mask has been kept open below the QFN device to improve heat dissipation and yield. Figure 6. Layer-4 SWRU370B – June 2014 – Revised August 2018 ® CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Submit Documentation Feedback Layout Guidelines Copyright © 2014–2018, Texas Instruments Incorporated...
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Page 12: Layout Guidelines
Feed Antenna match U.FL conn Filter Murata Conn ® SWRU370B – June 2014 – Revised August 2018 CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Layout Guidelines Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated... -
Page 13: Antenna Guidelines
The recommended filter is DEA202450BT-1294C1. The datasheet for the filter can be accessed at http://www.tdk.co.jp/tefe02/rf_bpf_dea202450bt-1294c1-h_en.pdf. SWRU370B – June 2014 – Revised August 2018 ® CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Submit Documentation Feedback Layout Guidelines Copyright © 2014–2018, Texas Instruments Incorporated... -
Page 14: Filter Routing
U.FL connector or a Murata switch type connector (MM8030 series). ® SWRU370B – June 2014 – Revised August 2018 CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Layout Guidelines Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated... -
Page 15: Coplanar Waveguide (Cross Section) With Gnd And Via Stitching
Figure 9. Coplanar Waveguide (Cross Section) With GND and via Stitching Figure 10. CPW With GND (Top View) SWRU370B – June 2014 – Revised August 2018 ® CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Submit Documentation Feedback Layout Guidelines Copyright © 2014–2018, Texas Instruments Incorporated... -
Page 16: Power
Current I PA DC-DC 1 uH ANA, DIG DC-DC 2.2 uH ® SWRU370B – June 2014 – Revised August 2018 CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Layout Guidelines Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated... -
Page 17: Clock
27 to 36 Ω for a 50-Ω line impedance. SWRU370B – June 2014 – Revised August 2018 ® CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Submit Documentation Feedback Layout Guidelines Copyright © 2014–2018, Texas Instruments Incorporated... -
Page 18: Qfn Ground
4. Solder paste should cover at-least 75% of the ground tab of the QFN. ® SWRU370B – June 2014 – Revised August 2018 CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Layout Guidelines Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated... -
Page 19: Recommended Footprint
Layout Guidelines www.ti.com Recommended Footprint Figure 13. Recommended Footprint SWRU370B – June 2014 – Revised August 2018 ® CC3100 and CC3200 SimpleLink™ Wi-Fi and Internet of Things Solution Submit Documentation Feedback Layout Guidelines Copyright © 2014–2018, Texas Instruments Incorporated... -
Page 20: Summary
This document presents an introduction to designing a 4-layer PCB board for the CC3100/CC3200 SimpleLink Wi-Fi easy-to-layout QFN packaged family of devices. In addition to the recommendations presented here, see the CC3100 SimpleLink Wi-Fi and IoT Solution BoosterPack design files located at http://www.ti.com/lit/zip/swrc288 and the CC3200 SimpleLink Wi-Fi and IoT Solution With MCU LaunchPad board design files located at http://www.ti.com/lit/zip/swrc289. -
Page 21: Revision History
Changes from A Revision (September 2014) to B Revision ..................Page ...................... • Updated Schematic Checklist link........................• Updated References. SWRU370B – June 2014 – Revised August 2018 Revision History Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated... - Page 22 IMPORTANT NOTICE FOR TI DESIGN INFORMATION AND RESOURCES Texas Instruments Incorporated (‘TI”) technical, application or other design advice, services or information, including, but not limited to, reference designs and materials relating to evaluation modules, (collectively, “TI Resources”) are intended to assist designers who are developing applications that incorporate TI products;...