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Best-in-class MOSFET solution focuses on Power over Ethernet applications

New Products |
By eeNews Europe

Building on NXP’s strength in power MOSFETs, the new devices – PSMN040-100MSE and PSMN075-100MSE – provide twice the level of inrush current capability of competitive offerings, making them ideal for high-power PoE architectures

PoE is becoming an increasingly popular way of powering devices through an Ethernet cable/port rather than using a separate mains supply. Initially used for low-power devices such as VoIP phones, new approaches including UPoE and LTPoE++ are enabling higher power devices such as large LCD PoS displays and 3G/4G wireless access points to run at up to 100 W. However, in such high power environments, the power sourcing equipment (PSE) – such as a network router, switch or midspan – can suffer serious damage if a short circuit or fault in the powered device (PD) causes a power surge that is not controlled in time.

The new, higher power systems are placing greater demands on the MOSFETs used to supply and protect such equipment. NXP’s new NextPower Live PoE MOSFETs have a safe operating area (SOA) that is twice as capable as existing solutions, providing higher levels of protection and system reliability.

NXP’s new PoE devices also offer low RDS(on) and come in the ultra-reliable LFPAK33 package, which is footprint-compatible with similar devices.

More information about the PSMN040-100MSE and PSMN075-100MSE MOSFETs at www.nxp.com/pip/PSMN040-100MSE and  www.nxp.com/pip/PSMN075-100MSE      


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