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ESD protection comes in a tiny package for USB 2.0

Posted: 06 Mar 2006 ?? ?Print Version ?Bookmark and Share

Keywords:USBLC6-2P6? USBLC6-2SC6? ESD protection? USB 2.0? STMicroelectronics?

Designed to protect the two data lines and the power rail of a USB 2.0 high-speed interface, STMicroelectronics offers a low capacitance ESD protection device in a tiny SOT-666 package as well as a larger SOT-23 package.

The very low 2.5pF (typical) line capacitance of the USBLC6-2P6 (SOT-666) and USBLC6-2SC6 (SOT-23) devices ensures no distortion of the 480Mbps USB 2.0 signal. The devices also protect against ESD up to IEC61000-4-2 level 4 (air discharge up to 15kV and contact discharge up to 8kV).

The USBLC6 achieves the optimum trade-off between low line-to-ground capacitance, said the company. It features integrated VCC protection, a maximum leakage current of 1A, monolithic integration for high reliability and an optimized pin-out for EMI-free board layouts.

In addition, the USBLC6 is the first USB 2.0 protection device to be available in the SOT-666 package that only requires 2.9mm2 of board space, which makes it suitable for battery-operated portable devices. It also provides full D+/D- signal balance, with the best I/O-to-ground matching tolerance of 0.04pF, which is well within the USB 2.0 maximum tolerance of 1pF, said the company.

The ESD protection device is backwards compatible with USB 1.0 and 1.1 (low and full speed), and is suitable for protecting 10/100Mbps Ethernet ports, cellphone SIM cards and video lines.

Datasheets for the USBLC6-2P6 and USBLC6-2SC6 are available at company's website.

Pricing for the USBLC6-2P6 (SOT-666 package) and USBLC6-2SC6 (SOT-23 package) is 20 and 16 cents, respectively, in quantities of one million. Sample quantities are already available.

- Gina Roos
eeProductCenter




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