Vicor Power Assembly

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Revision as of 12:41, 29 April 2013 by Mandana (talk | contribs) (Schematics)

Template:Hierarchy header The MCE can alternatively be equipped with a 18–36Vin (24Vin nominal) switching supply designed for use in balloon-based experiments. The Vicor supplies are trimmed to accomodate losses of up to 2m cable, so they can be located up to 2m away from the actual MCE crate.

Schematics

  • Schematics for the Vicor Supplies can be found here
  • The schematics for the Wiring harness in the box and the pinout for the Winchester connector: pdf

Check the schematics for Input/Output connector pinout.

Output Connector
Winchester MRA34SG
Input Connector
Amphenol PTC-2A-14-5P

Specification

DC Input Type
18-36V
3A from 24V to power one 3-MDM MCE48 crate (6A for two)
DC output
pVa: 6.1 to 6.3 V
nVa: -6.1 to -6.3 V
Vlvd: 4.4 to 4.7 V
Vcore: 2.9 to 3.2 V
Watts
100W
Regulated
Yes
Efficiency
75%
Dimensions (L x W x H)
24cm x 20cm x 5cm
Weight
< 2kg and a 1m power cable is ~1kg

Notes

The Vicor supply is equipped with two Winchester connector to power two MCE48 crates. So far, we are able to use a Y cable and power two MCE48 from one connector. When we tried to use each connector separately, for some odd reason, we experienced higher noise performance.

Testing