Post on 05-Jan-2016
EC_ASIC drawing (1)
ASIC B ASIC FASIC D
68
pins
ASIC A
68
pins
ASIC C ASIC E
120 pins
A B C D E F
68
pins
68
pins
68
pins
68
pins
EC_ASIC top view
Fixation holes
15 mm
80 mm
20 mm
159 mm
EC_ASIC drawing (2)
56 mm 56 mm
~ 8 mmMechanical structure
EC_ASIC (1.6 mm thick)
Mechanical structure
connector
connector
connector
connector
connector
connector
TOP View
120 pins connector
56 mm 56 mm
~ 8 mmMechanical structure
EC_ASIC (1.6 mm thick)
Mechanical structure
Bottom View
68 pins connector from EC_ASIC (3.5 mm)+68 pins connector from EC_anode (8.5 mm)+EC_anode pcb (1.2 mm)
Side view –estimation
Mechanical structure
EC_ASIC board
CONNECTORS
EC_anode
ASIC
2 2 222 2 2222
HK
1
2
BAT_RET (P)
28V_BAT (P)
GND_28V (S)
GND_3.3V (S)
28V (S)
3.3V (S)
GND_M HVPS-1 would have DC/DC converters to isolate the powers
GND_M
0-2.44V
STATUS
ON/OFF
3 DAC
6 Differential signals (LVDS) ( x2 = 18 wires)between HK and HVPS-1
4 differential transmitters 2 differential receivers
CS_DAC
CS_IO
HVPS-1
MISOMOSISCK
MOSI
MOSI6 bidirectional signals
6 status signals
I/O expanders
4 differential receivers
MISO
InterruptSCK
SCK
Interrupt
HVPS-1 - HVPS-2 - HK - PDM-Board Interface Synoptic : 1st flight version
7
D-Sub 15 F
D-Sub 15 FD-Sub 15 M
D-Sub 15 M
6 C-W
D-Sub 9 FD-Sub 9M
BATTERY
3 C-W6 x 14 HV lines
3 x 14 HV lines
9
9
3
3 ST
ATU
S 3
ON
/OFF
3
0-2.
44VGND_M
HVPS-2CS_DAC
SCKMOSI
CS_OUT 6 DAC6
D-S
UB
25
FD
-SU
B 2
5 M
D-Sub 9 FD-Sub 9M
VERSION USED
24 wires
PDM_Board
Micro-D 9 FMicro-D 9 M
4 differential receivers
4 differential transmitters
4 Differential signals (LVDS) ( x2 = 8 wires)between PDM_Board and HVPS-1
4 SWITCHCOMMANDS
4 SWITCHCOMMANDS
2 differential transmitters
Full PDM and potential areas for HVPS
2 possibilities for HVPS: • 20 x 115 mm2• 29 x 53 mm2
After discussions with Jaceks, APC group and Pierre 27 x 53 mm2
chosed
Reminder of the cables/interfaces/connections
HVPS1 HVPS215 lines toward HK (15 D-SUB)
9 lines toward PDM board (9 micro-D)
14 x 3 HV cables14 x 6 HV cables
28 V + gnd battery (9 D-SUB)
25 lines(25 D-SUB)
159 mm
27 mm
53 mm
14 * 3HV cables
159 mm
27 mm
53 mm
HVPS-1
14 * 6 HV cables
HVPS-2
3D view of the HPVS
NB: 159 mm and 53 mm are the maximum availableBetter if it is less than that to fit more easily.
D-SUB 25 MTo HVPS-1
D-SUB 25 FTo HVPS-2
D-SUB 15 FTo HKD-SUB 9 F
To Battery
Micro-D 9 MTo PDM_Board
Fixation with 2 plates
Top view
Plate used to fixe the HVPS to themechanical structure on the side.
~56 mm ~56 mmLateral view
~120 mm
~120 mm
Fixation plate
Fixation to the Back part of thePDM mechanicalStructure.
Fixation of the HVPSTo the fixation plate
~27 mm
~53 mm
ZONE where to put the holes for
the cables
ZONE where to put the holes for
the cables
~56 mm ~56 mm
~120 mm
~120 mm~27 mm
~53 mm
ZONE where to put the holes for
the cables
ZONE where to put the holes for
the cables
ZONE where to put the holes for
the cables
ZONE where to put the holes for
the cables
If HVPSs don’t lay directly on the fixation plate like bellow
Other possible zones for cables
~56 mm ~56 mm
~60 mm~53 mm
ZONE where to put the holes for
the cables
ZONE where to put the holes for
the cables
ZONE where to put the holes for the cables
Another (better) option:The plate could have half height and be fixed to the mechanical structure with 6 screws.
OR
HVPS13CW +
DAC+ all
DC/DCs
HVPS26CW
+Comman
ds+
DAC
EC_anodeFlex cables
Ballon heater (fixation)
EC_HV boards should be
oriented like that
HVPS1 HVPS2
Positionning of the PDM board on the PDM
FPGA
Ballon heater (fixation)
Positionning of the PDM board on the PDM with respect to the Balloon mechanic
Positionning of the PDM board on the PDM with respect to the Balloon mechanic