1. 17/6/2002Ivan Hruska,Francisca Calheiros,Bruno Allongue 1 TILECAL brick development Projected parameters design should fit the volume 160 x 40 x 50mm to be able to use box from last year with water cooling 3 types of module 3.3V, 5V, 15V output power ~ 200W dissipated power ~ 20W projected efficiency >90% input voltage 200 - 250V (will be verified in PSI) isolated converter equipped by all in/out diagnostics TID 300Gy, NIEL 6.3E12, SEE 1.8E12

2. 17/6/2002Ivan Hruska,Francisca Calheiros,Bruno Allongue 2 TILECAL brick development Block diagram LV FINGER BOX 8 x DC/DC AC/DC in USA15 ELMB Power to next fingers CAN BUS daisy chain Power to the drawer Interlock circuit + CAN power supply

3. 17/6/2002Ivan Hruska,Francisca Calheiros,Bruno Allongue 3 TILECAL brick development Power distribution computed Cable estimation prepared

4. 17/6/2002Ivan Hruska,Francisca Calheiros,Bruno Allongue 4 TILECAL brick development

5. 17/6/2002Ivan Hruska,Francisca Calheiros,Bruno Allongue 5 TILECAL brick development Schedule of development prepared –2 competitive designs in preparation but by using some common circuits –Designs split to blocks for independent tests –Optically isolated amplifier (OIA) feedback measurement uses HPCL7840 & LM 6142

6. 17/6/2002Ivan Hruska,Francisca Calheiros,Bruno Allongue 6 TILECAL brick development March 2002 –2 different designs in preparation Half bridge converter Dual transistor forward converter –Transformers design & manufacturing –Component ordering –Radiation test of OIA in TCC2 in preparation

7. 17/6/2002Ivan Hruska,Francisca Calheiros,Bruno Allongue 7 TILECAL brick development April –Finished protoboard of half bridge converter –OIA protoboard ready and lab tested –Installation of OIA in TCC2 May –Preparation of protoboard with forward converter

8. 17/6/2002Ivan Hruska,Francisca Calheiros,Bruno Allongue 8 TILECAL brick development –Preparation of proto PCBs for SEE test of components –Started PCB design with SMD components

9. 17/6/2002Ivan Hruska,Francisca Calheiros,Bruno Allongue 9 TILECAL brick development –Start of TCC2 test after > 7krads OIA without visible changes of parameters –Started preparation for PSI test facility Run scheduled to 28 - 30 June 2002 SEE test of component candidates SEE test of both designs + original design from LT test of OIA projected efficiency >90% input voltage 200 - 250V (will be verified in PSI)

10. 17/6/2002Ivan Hruska,Francisca Calheiros,Bruno Allongue 10 TILECAL brick development Conclusion –Preparation to PSI test is running –Radiation requirements agreed –First prototype module in preparation