USB 2.0 - ESD & Overcurrent Protection
Solution Products
Objective
Universal Serial Bus (USB) 2.0 ports provide
up to 480 Mbps data transfer rates and 5 V
power at up to 500 mA. As a hot-pluggable
interface, it typically requires protection
against ESD and short circuits. This solution
provides this protection.
USB
Compliance
USB 2.0
UL60950
IEC 61000-4-2 Level 4 (8 kV / 15 kV)
Alternate Recommendations
Benefit
Solution
Other PortNote® Solutions:
• USB: USB 3.0 - ESD & Overcurrent Protection
1 Multifuse® PPTC: MF-NSMF075-2
3 ChipGuard® ESD Suppressors:
CG0603MLC-05LE
This solution provides USB 2.0 ports with
compatible protection without impairing the
transmission of power or data.
V
bus
D+
D-
USB Port
GND
CG0603MLC-05LE
MF-NSMF075-2
USB
Controller
Design Kit
The schematic above illustrates the application protection and does not constitute the complete
circuit design. Customers should verify actual device performance in their specific applications.
Americas:
Europe:
Tel
+41-(0)41 768 55 55
Fax
+41-(0)41 768 55 10
Tel
+1-951 781-5500
Fax
+1-951 781-5700
Tel
+886-2 256 241 17
Fax
+886-2 256 241 16
Bourns® PortNote® solutions provide protection
recommendations for typical port threats.
For more information, go to:
Asia-Pacific:
www.bourns.com
COPYRIGHT© 2011 • BOURNS, INC. • 8/11 • e/CPK1138 • “PortNote” is a registered service mark of Bourns, Inc.
“Bourns”, “Multifuse” and “ChipGuard” are registered trademarks of Bourns, Inc. in the U.S. and other countries.
or email: protection@bourns.com
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