Specifications

106 Control and Automation Solutions Guide

PoE Controllers at Both Ends of the Link

Enable Power Beyond Standards While

Lowering Power Loss

MAX5980, MAX5969D

The MAX5980 quad PSE controller and MAX5969D PD controller work together to

allow power transfer beyond IEEE 802.3af/at standards. While the standard limits

PSEs to 12.95W(af), 25.5W(at) per port, with the MAX5980 one can design PSEs to

provide up to 70W/port, while oering the lowest power loss in the industry with

only 0.3 channel resistance. The MAX5980 also meets PSE-ICM V2 requirements.

On the PD end, the MAX5969D meets IEEE 802.3af/at requirements while being able

to deliver more power than this standard to the equipment. Individual channels

can provide up to 30W with the ability to be paired to provide up to 60W to the PD.

The MAX5969D also features sleep mode to further save power during idle times.

Benefits

• Provide efficient power transfer while

meeting current standards

◦ MAX5980 meets IEEE 802.3af/at and

PSE-ICM V2 standards

◦ MAX5969D meets IEEE 802.3af/at

standard

• Offer increased flexibility in

equipment design by providing power

capability beyond standards limits

while lowering power loss

◦ MAX5980 allows up to 70W/port in

PSEs

◦ MAX5969D allows up to 60W PDs

when 2x2 pair configuration is used

◦ Keep power loss low with

MAX5980’s low 0.3 channel

resistance and MAX5969D’s low I/O

leakage (< 10µA)

◦ MAX5969D’s sleep mode lowers

power usage during idle times