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racklet / electronics-prototyping

Design files for electronic components for use in Racklet
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Backplane Power Budget #24

Closed chiplet closed 1 year ago

chiplet commented 3 years ago

Backplane 5.1V Rail

The backplane 5.1V DCDC is designed to supply 3A.

Ethernet Switch

Let's compare the current draw of some 5-port 5V ethernet switches. Most switches seem to be specified as 5V/1A DC input. Model Current Consumption (A)
TP-LINK TL-SG105 0.6
ZyXEL GS-105B 1.0
ZyXEL ES105A 1.0
D-Link DGS-105 1.0

Summary

LOAD Current (A)
Eth Switch 1.0
USB Hub 2.0
3.0