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Skyworks Si82Fx-Blinky User Manual

Skyworks Si82Fx-Blinky User Manual

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USER GUIDE
UG527: Si82Fx Blinky Demo Board User Guide
The Si82Fx-Blinky is a portable device that helps users
visualize the revolutionary Selectable Variable Current
Drive (SelVCD™) technique, which allows the Si82Fx
IsoDriver to dynamically control its output current at a
constant sourcing or sinking rate. Learn more about
SelVCD™ here.
Blinky demonstrates all eight current "speed" settings
of the Si82Fx via the brightness intensity of an LED
controlled by a rotary switch, with the numbers 0 to 7
indicating lowest-to-highest LED brightness.
Each switch setting activates a connection to a resistor
in an array, which, in turn, connects to the SPD± pins of
the Si82Fx. There is also an "Aux" setting, which allows
for rapid, back-and-forth cycling through all output
current settings of the Si82Fx, thereby causing the LED
to pulsate.
Skyworks Solutions, Inc. • Phone [949] 231-3000 • sales@skyworksinc.com • www.skyworksinc.com
206918A • Skyworks Proprietary Information • Products and Product Information are Subject to Change without Notice
1
Features
Visual demonstration of SelVCD™
Interactive output current selection
June 6, 2024

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Summary of Contents for Skyworks Si82Fx-Blinky

  • Page 1 Si82Fx, thereby causing the LED to pulsate. Skyworks Solutions, Inc. • Phone [949] 231-3000 • sales@skyworksinc.com • www.skyworksinc.com 206918A • Skyworks Proprietary Information • Products and Product Information are Subject to Change without Notice June 6, 2024...
  • Page 2: Functional Description

    The same applies if any relatively long pulse is sent to VIA. In Test mode, it is always recommended to select the “CAP” option on SW3. Skyworks Solutions, Inc. • Phone [949] 231-3000 • sales@skyworksinc.com • www.skyworksinc.com 206918A • Skyworks Proprietary Information • Products and Product Information are Subject to Change without Notice June 6, 2024...
  • Page 3: Top Layer View Of Board

    5. Bottom Layer View of Board Figure 2. Bottom Layer View Skyworks Solutions, Inc. • Phone [949] 231-3000 • sales@skyworksinc.com • www.skyworksinc.com 206918A • Skyworks Proprietary Information • Products and Product Information are Subject to Change without Notice June 6, 2024...
  • Page 4 Green LED Si82F39AGC Si82Fx_Blinky REV 2.1 Figure 3. Gate Driver Circuit Skyworks Solutions, Inc. • Phone [949] 231-3000 • sales@skyworksinc.com • www.skyworksinc.com 206918A • Skyworks Proprietary Information • Products and Product Information are Subject to Change without Notice June 6, 2024...
  • Page 5 499K VREG 4.7uF SHDN AP3015 162K Figure 4. Power Circuit Skyworks Solutions, Inc. • Phone [949] 231-3000 • sales@skyworksinc.com • www.skyworksinc.com 206918A • Skyworks Proprietary Information • Products and Product Information are Subject to Change without Notice June 6, 2024...
  • Page 6 10uF 10uF 0.01uF TLC555CPWR 110K Figure 5. Wave Generator Circuit Skyworks Solutions, Inc. • Phone [949] 231-3000 • sales@skyworksinc.com • www.skyworksinc.com 206918A • Skyworks Proprietary Information • Products and Product Information are Subject to Change without Notice June 6, 2024...
  • Page 7 Information in this document is provided in connection with Skyworks Solutions, Inc. ("Skyworks") products or services. These materials, including the infor- mation contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein.