When USB was first introduced in the mid-1990s it went on to become the
defining standard in computer connectivity. In its long history there have
been various iterations of the USB connector including; USB 2.0 A, B, mini B
and micro B; and USB 3.0 A, B and micro B. Now a new type of USB connection is
about to join the USB family, the Type-C connector.
The new connector – at a size of 8.3mm x 2.5mm – will make
SuperSpeed USB highly attractive for portable devices such as smartphones and
tablet computers. Though slightly larger than the current Micro USB, the Type
C connector will support faster charging. This makes it compatible not only
for small mobile devices but larger devices such as tablet computers.
Another key advantage to this connector is that there is no ‘right way
up’ and can be plugged in either way, making it more convenient for
USB Type C connector supplied with courtesy of Foxconn Interconnect
NXP ESD Protection
To support this new industry defining connector NXP has released the new
PUSB3TB6, a very small ElectroStatic Discharge (ESD) protection device
designed to protect six ultra high-speed data lines.
It comes in a very compact DSN2111-7 (SOT1358-1) package and offers
pass-through routing in combination with a relaxed 0.5 mm pin pitch. It also
has a very low capacitance of 0.27 pF (typical) at 0V to support signal
A test board with PUSB3TB6 passed the eye-diagram requirement of Super-Speed
Plus USB at 10 Gbit/s.NXP’s industry-proven deep snap-back ESD
protection technology, in combination with a very low dynamic resistance of
0.5 Ohm provides a superior system-chip protection.
Rugged, compact design
Since portable devices, like smartphones, are likely to be dropped during
their lifetime, NXP has subjected PUSB3TB6 to rigorous drop tests according to
ESD22-B111/JESD22-A104-B. Using this testing procedure NXP can ensure
functionality even after a large number of device drops. PUSB3TB6 has survived
more than 1000 of these drops without failures. One device was even cycled
2000 times without failure.
The staggered pinning layout of PUSB3TB6 allows a very robust and compact
package. Avoiding very long and narrow packages is one of the measures
contributing to the high robustness of PUSB3TB6. Due to the integration of
protection for six data lines, the new Type-C connector can be protected using
a minimum number of devices.
At NXP, innovation is always now, but our focus is always the
future. Our dedicated team of experts is united by a passion to
make everyday life more remarkable through technologies that
continually redefine life as we know it.