
USB
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.
Solution
1 Multifuse? PPTC: MF-NSMF075-2
3 ChipGuard? ESD Suppressors:
CG0603MLC-05LE
Compliance
USB 2.0
UL60950
IEC 61000-4-2 Level 4 (8 kV / 15 kV)
Alternate Recommendations
Other PortNote? Solutions:
? USB: USB 3.0 - ESD & Overcurrent Protection
Benefit
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
MF-NSMF075-2
CG0603MLC-05LE
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:
Tel +1-951 781-5500
Fax +1-951 781-5700
Bourns? PortNote? solutions provide protection
recommendations for typical port threats.
Europe: Tel +41-(0)41 768 55 55 Asia-Pacific: Tel +886-2 256 241 17
Fax +41-(0)41 768 55 10 Fax +886-2 256 241 16
COPYRIGHT? 2012 ? BOURNS, INC. ? 6/12 ? 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.
For more information, go to:
www.bourns.com
or email: protection@bourns.com