Posted to News on 6th Dec 2019, 11:04
Fast common mode filters with integrated ESD protection
Nexperia is announcing the market's fastest common mode filter (choke)/ ESD protection combination. The new PCMFxUSB3BA/C features the industry's widest differential passband of up to 10GHz 3dB frequency and a very high surge robustness of up to 7.5A 8/20us. It is designed to suppress common mode and single-ended noise while minimising the impact on the signal integrity of very fast data lines.
Developed to meet the requirements of Super Speed USB applications, the new devices provide effective 1, 2 & 3 line pair protection (Tx +/-, Rx +/-, D +/-) and filtering. Proven for 10Gbps communications line protection, the filter's system-level robustness exceeds the IEC 61000-4-2 level 4, suiting them for use with sensitive SoCs. The product also minimises reflections when compared with a discrete design. The integration of Nexperia's TrEOS technology results in low clamping and high robustness. PCMFxUSB3BA/C extends Nexperia's family of Common Mode Filters (PCMF devices), helping to optimise the choice between differential pass-band and common-mode rejection at signal fundamentals and higher harmonics.
Stefan Seider, Product Manager, Nexperia comments: "Apart from their capability to reduce EMI, Common Mode Filters with ESD protection are also very popular for their efficiency in protecting sensitive transceivers: They add an impedance to the signal line pair, which is very small for differential signals but shows significant attenuation of common mode noise as well as single-ended transients such as ESD."
The new PCMF filters are available in very low-inductance, space-saving WLCSP packages. Devices are footprint-compatible with available ESD-only solutions for fast design changes.
Follow the link for more information about the PCMFxUSB3BA/C, including product specs and datasheets.
