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CIPSU

A system DC PSU which supplies 12V at up to 50A, and 5V at up to 21A, with a total of ten individually fused outputs.

Views

../../_images/CIPSU_Rear_Panel_1280w.jpg

CIPSU Rear Panel.

../../_images/CIPSU_Internal_1280w.jpg

CIPSU Internal.

Theory of operation

../../_images/CIPSU_Block_Diagram.svg

Two switch mode power supplies provide 12V and 5V, which is distributed via terminal blocks and a total of twenty 10mm glass fuses, to ten 3-pin XLR sockets which are fitted to the rear panel.

Bill of materials

CIPSU BOM

Component

Description

Manufacturer

Man. Part

Distributor

Dist. Part

Enclosure

2U Rack-mount enclosure

nVent SCHROFF

20860626

Farnell

1816037

MP1

2U enclosure mounting plate

nVent SCHROFF

20860109

Farnell

1370460

PSU1

5Vdc 21A SMPS

TDK-Lambda

RWS150B-5

RS Components

813-9106

PSU2

12Vdc 50A SMPS

TDK-Lambda

RWS600B-12

RS Components

813-9134

F1-21

5x20mm fuse holder

Wurth

696211001102

RS Components

893-0606

SW1

Illuminated rocker switch

APEM

MR210R5LBR

RS Components

468-5380

J1

Filtered IEC inlet

Schurter

5120.0003.0

RS Components

708-5594

J2-11

Female panel mount XLR connector

Neutrik

NC3FD-LX-M3

Mouser

568-NC3FD-LX-M3

D1-2

Panel mount LED indicator, green

RS Pro

205-331

RS Components

205-331

R1

1K ohm 0.25W 5% axial resistor

RS Pro

707-7666

RS Components

707-7666

R2

330 ohm 0.25W 5% axial resistor

RS Pro

707-7622

RS Components

707-7622

TB1-2

Grey PT 2.5 Feed Through Terminal Block

Phoenix Contact

3209510

RS Components

687-9414

TB3-4

Blue PT 2.5 Feed Through Terminal Block

Phoenix Contact

3209523

RS Components

687-9417

TB5-6

Green/Yellow PT 2.5-PE Earth Terminal Block

Phoenix Contact

3209536

RS Components

687-9411

TB7

Distribution block 13 way red

Phoenix Contact

3273224

RS Components

207-2970

TB8

Distribution block 13 way white

Phoenix Contact

3273232

RS Components

201-4338

TB9

Distribution block 13 way black

Phoenix Contact

3273234

RS Components

207-2971

JP1

Plug-in bridge FBS 2-5 GY

Phoenix Contact

3038969

RS Components

803-7552

JP2

Plug in bridge FBS 2-5 BU

Phoenix Contact

3036877

RS Components

804-0393

JP3

Plug-in bridge FBS 2-5 GN

Phoenix Contact

3032143

RS Components

855-2067

Misc

D-ST End Cover for DIN Rail Terminal Blocks

Phoenix Contact

3030417

RS Components

388-4637

Misc

2.5mm2 ferrules

Misc

0.5mm2 ferrules

Misc

1.5mm2 ferrules

Misc

10mm2 tri-rated wire in red and black

Misc

2.5mm2 tri-rated wire in red, white and black

Misc

0.5mm2 tri-rated wire in red, white and black

Misc

1.5mm2 tri-rated wire in brown, blue and green/yellow

Misc

10mm2 M5 stud ring terminals

Misc

1.5mm2 M3.5 stud ring terminals

Misc

1.5mm2 M3.5 stud ring terminals

Misc

1.5mm2 4.8x0.8mm female spade terminals