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Transcript of RBSP Radiation Belt Storm Probes RBSP Radiation Belt Storm Probes LVPS+PCB Peter BergRBSP/EFW CDR...
RB
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RB
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
IDPU LVPS AND PCB
Critical Design ReviewP. Berg
University of California - Berkeley
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Overview
Overview• Requirements
• Specification
• Design
• Mass and Power
• Test
• Schedule
• Issues
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Overview
CHANGES SINCE PDR
• FREQUENCY OF PWM SUPPLIES CHANGED TO 200KHZ
• ACCOMODATION FOR MSK INRUSH CURRENT
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Design Drivers
• SUPPLY DESIGNED TO RBSP_EFW_LVPS_001• INPUT IS 28 VOLT POWER (22-35 VOLTS NOMINAL)• PRIMARIES ARE CURRENT LIMITED• SUPPLIES SYNCHRONIZED TO 799KHZ• FLOATING SUPLIES RUN AT 399.5KHZ, OTHERS AT 199.75KHZ • SUPPLY IS SOFT STARTED TO MINIMIZE TURN-ON STRESSES
– INPUT CURRENT CONTROLLED• REGULATION – 1% ON DIRECTLY REGULATED VOLTAGES
AND 5% ON AUXILLARY VOLTAGES• ISOLATED SECONDARIES• BEB OUTPUTS INDEPENDENT OF IDPU OUTPUTS 225V SUPPLY AND FLOATING 15V SUPPLIES FILTERED
TO 14μV RMS 10Hz-10KHz, AND 0.4μV RMS 10KHz-100KHz
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Requirements
ID Req. Title Subject PriorityRequirement Body or Section
HeadingImplementation
EFW-61EFW Power Control Each EFW
IDPUshall contain circuitry to open SPB and
AXB doors and deploy sensorsImplemented on PCB portion
EFW-62EFW Low Voltage Conversion
Each EFW IDPU
shall contain circuitry to provide voltages to IDPU boards using the S/C-provided 28Volts
Impemented using PWM converters
EFW-63EFW Main Power Allocation
Each EFW Suite
shall
not exceed the total power of 11.16 W from the EFW Main 28V Service
Verified on Flight Unit
EFW-64EFW Main Power In-Rush
Each IDPU shall
not exceed ICD values as follows:10A for 100 usec; 5A for 100us to 1ms2.5A after 1ms
Implemented using soft start
EFW-65EFW Main Power Max Voltage
Each IDPU shall
tolerate without damage a maximum input voltage of 40V indefinitely as defined in the ICD
Parts sufficiently derated
EFW-75EFW IDPU Operational Temp Range
The EFW IDPU
shall
perform as designed from -25 to +55C
Parts chosen are -55 to 125C
EFW-78EFW IDPU Survival Temp Range
The EFW IDPU
shall
survive without damage from -30 to +60C
Parts chosen are -55 to 125C
EFW-88EFW IDPU ICD Compliance
The EFW IDPU
shall
comply with the requirements and constraints imposed by all relevant instrument-to-spacecraft interface control documents (ICDs).
Verified by Instrument CPT
EFW-98 EFW Illegal Power StatesThe EFW IDPU
shallnot be damaged by the application of boom power while the Main power is Off.
By design, verified by test
EFW-99EFW SPB Deployment Enable
The EFW IDPU
shallnot deploy SPB booms or fire SPB actuators without the SPB and Main power ON.
By design, verified by test
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Requirements
EFW-100EFW AXB Deployment Enable
The EFW IDPU shallnot deploy AXB booms or fire AXB actuators without the AXB and Main power ON.
By design, verified by test
EFW-101EFW Boom Pair Redundancy
The EFW IDPU shallhave separate supplies for each preamp boom axis.
By design
EFW-102 EFW Safing by subsystem The EFW IDPU shallcontinue to provide EMFISIS with E-Field signals on failure of DCB or DFB
By design
EFW-131EFW Initial Power On/Reset State
The EFW IDPU shallpower up in a nominal condition for measuring E-Fields without processor intervention.
By design
EFW-133EFW Compliance with EM Environment Control Plan
The EFW Suite shall
comply with the requirements and constraints imposed by the RBSP Electromagnetic Environment Control Plan, APL document no. 7417-9018.
By design
Verified by Instrument CPT and EMC test
EFW-136
Instrument Compliance with Environmental Design and Test Requirements Document
Each EFW Instrument
shall
comply with the requirements and constraints imposed by the RBSP Environmental Design and Test Requirements Document, APL document no. 7417-9019.
By design
Verified as per RBSP_EFW_TE_001
EFW-137 EFW Quality Assurance The EFW Suite shall
comply with the RBSP Performance Assurance Implementation Plan, as modified by the Compliance Matrix
By design
Verified as per RBSP_EFW_PA_010
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Specifications
Electro-Mechanical Specifications• Connectors
– KA80.1/127CPFC10TABH– Mate/Demate Cycles >500– Allows use of commercial backplanes for testing – Front Panel 9 Pin Male, 62 Pin Female
• ENCLOSURE – Spacing is .75” above, .25” below– Electrically shielded
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Design
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Design
Packaging
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Design
FV1_M15VA
DOOR5-6
LVPSClock
POWER CTL BOARD (PCB) SECTION
MTR1-4
+5V +15VF-15VF
FV6_M15VA
+5V +15VF-15VF
2
I MON
Filter + Inrush Timer
LVPS ANALOG HK (1-5\)
STACER5-6
XTAL OSC 799 KHZ
FV4_GND
TURNS1-6
2
FV3_P15VA
IDPU_AGND
VREF
BEB_N225V
BEB_AGND
FV6_GND
FV5_GND
IDPU_P5.5VA
BEB_AGND
BEB_P5VA
BEB_P5.5VD
Primary Limited
PrimaryLimited
+28V
-10
GNDA
+10
+5
GNDD
+5D
IDPU_P10VA
BEB_P10VA
4
+5V +15VF-15VF
IDPU_P3.6VD
BEB_DGND
+5V +15VF-15VF
DCB/PCB/DFB POWER
FV4_P15VA
FV2_M15VA
IDPU Voltages
4
FV1_GND
FV3_M15VA
t
IDPU_N10VA
LVPS ANALOG HK (1-5)
BEB_N10VA
LOW VOLTAGE POWER SUPPLY (LVPS) SECTION
MUX
PCB_CMD, PCB_CLK, PCB_STB
4
FV3_GND
IDPU_N5.5VA
= Common ModeFilter
BEB_P225V
PrimaryLimited+28V
-5.5V
-10V
+5.5V
+10V
GND
BEB POWER
SPB BOOM PWR
7BEB Voltages
BACKUP56_M,S
SC IDPU PWR
MTR5-6
2
Converter Sync
FV2_GND
+5V +15VF-15VF
Converter Sync
FV4_M15VA
IDPU_P5VD
LOGIC
BEB_P5VA
DOOR1-4
2
I MON
2.5VReference
+5V +15VF-15VF
AXB BOOM PWR
SW. PWR I/F TOSPACECRAFT
BEB_AGND
PCB ANALOG HKP
PrimaryLimited
+28V
+5VD
GND
+1.8VD
+3.6VD
CONNECTOR TO PCB
FV6_P15VA
Y-AXIS
16
IDPU_P1.8VD
PrimaryLimited
+28V
-225
+225
GNDA
FV1_P15VAX-AXIS
I MON
5
INST CNTR, I/F
I MON
FV5_M15VA
I MON
FV2_P15VA
6
+1.5V and 3.3V LDO regulatorson each of DCB and DFB runningoff IDPU +1.8 VD and +3.6VD
1K 1%
FV5_P15VA
IMONs
IDPU PWR I/F TOSPACECRAFT
IDPU_DGND
VREF
VREF
Z-AXIS
All converters sync to'Converter Sync' signal(free-run if Syncmissing)
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Design
Design Considerations• Grounds
– 2 Digital – 2 Analog – 6 Floating
• Voltage Capabilities– Worst Case Floating Voltages 240V– Primary to Secondary Isolation >1000V
• Current Capabilities– Worst Case Current Req – Actuators @ 2.25A– Pin Capabilities – SDD Series: 5 amps nominal
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
SAMPLE PWM REGULATOR
Design
I N
G N D A
I N
G N D A
I N
F B 3
C 8
. 0 1 u F
C 4 62 2 0 0 p F
D 7 41 N 5 7 1 1 U R -1
C 2 4
. 1 u F
D 3 5
1 N 5 7 1 1 U R -1Q 2 1
I R H N J 5 7 2 3 0
G N D A
G N D A
C 2 0 . 1 u F
R 7 54 . 9 9 K
I N
D 6 9
1 N 5 9 6 9 , 6 . 2 V
R 1 1 4
TB D
D 3 7
1 N 4 9 6 2 , 1 5 V , 5 W
R 9 5
4 . 9 9 K
R 1 0 4
1 0 . 0 K
G N D A
R 1 1 0 1 0 . 0 K
D 5 11 N 5 7 1 1 U R -1
C 2 9
. 1 u F
I N
I N
G N D D
D 4 61 N 5 8 1 9
I N
C 1 7. 1 u F
I N
G N D A
I N
A H K P 1
B E B -1 0 V A
I N
D 2 21 N 6 6 4 2
C 1 5 1
. 1 u F
T3
R B S P 0 0 7
1
2
3
4
6
R 1 3 5
1 0 0 K
D 4 21 N 5 8 1 9
D 2 9
1 N 5 8 0 6
D 7 71 N 5 8 1 9
R 7 4
100
Ohm
s
D 2 81 N 5 8 1 9
+C 1 3
4 7 u F , 1 0 V
D 4 8
1 N 5 7 1 1 U R -1
R 1 1 3
TB D
D 2 3
1 N 5 8 0 6
I N
G N D A
B E B _ N 1 0 V A
D 7 91 N 5 7 1 1 U R -1
G N D D
C 1 5 04 . 7 n F , 1 % , 1 0 0 V
C 2 2. 0 1 u F
D 3 0
1 N 4 9 6 2 , 1 5 V , 5 W
-
+
U 2 9 AA D 8 2 2
3
21
84
BEB ±10,+5, +5D
+2 8 F I N
L 7R B S P 0 1 8
Q 2 7
I R H L U B 7 7 0 Z 4
D 6 5
1 N 5 7 1 1 U R -1
I N
G N D AD 3 2
1 N 5 8 1 9
D 3 9
1 N 5 8 1 9
T8
R B S P 0 0 6
1 3
4 2
D 2 0
1N58
11
F B 2
G N D A
I N
T5
R B S P 0 0 7
1
2
35
7
C 5 5
2 2 p F
R 7 2TB D
Q 2 5I R H N J 5 7 2 3 0
C 3 5
. 1 u F
G N D A
C 5 2. 1 u F
D 7 8
1 N 4 1 0 9 -1 , 1 5 V
R 1 1 7TB D
D 2 5
1 N 4 1 0 5 -1 , 1 1 V
C 4 3
. 1 u F
R 7 0 TB DB E B +5 D
V re f -4
D 3 3M B R S 4 2 0 1 T3 G
Q 1 9J A N S 2 N 2 2 2 2 A U B
C 1 4 9. 1 u F
C 3
. 0 1 u F
+ C 1 5
1 5 u F , 2 5 V
R 9 0
4 . 9 9 K
G N D A
R 2 5 31 0 . 0 K
C 4 2
. 0 2 2 u F
+
C 1 4 7
4 7 u F , 1 0 V
I N
R 8 92 0 . 0 O h m
C 2 8
. 1 u F
R 1 2 6
3 . 6 5 K
G N D A
I N
D 5 4
1 N 5 8 1 9I N
G N D A
GNDA
I N
H S 1
2 6 0 4 TH 5 B
D 6 01 N 5 7 1 1 U R -1
I N
I N
F B 5
R 1 0 5
6 3 . 4 K
I N
+ C 1 9
2 2 u F , 2 0 V
I N
C 5 6
2 2 p F
V c c
-
+
U 2 9 BA D 8 2 2
5
67
84
I N
R B S P 0 1 0
T1
4
6
7
1 0
1 1
9
1 2
1 3
1 4
5
81
2
3
R 2 5 21 . 0 0 K
D 2 41 N 5 8 1 9
4 0 0 P W M S y n c
I N
C 2 3
8 2 0 p F
R 1 3 2
1 0 . 0 K
U 1 8
U C 1 5 2 6 A
1
2
7
6
3
4
5
8
910 11
1 2
1 8
1 3
1 6
14
1 5
17
+E
-E
+C S
-C S
C O M P
C S S
R S T
S D
RT
CT
RD
T
S
V R E F
O U TA
O U TB
VC
G N D
VC
C
D 4 7
1 N 5 7 1 1 U R -1
I N
R 1 1 6J u m p e d
R 1 3 11 5 . 0 K
R 1 0 61 0 . 0 K
+ C 1 4 6
2 2 0 u F , 7 5 V
C 3 9
8 2 0 p F
-
+
U 1 5 A
A D 6 4 8 S
2
31
84
Q 2 9
JAN
S2N
2222AU
B
L 2
R B S P 0 1 1
2 1
4 3
R 2 5 02 0 . 0 K
Q 1 7
2 N 3 6 3 7
I N
C 1 5 2
. 1 u F
V re f -4R 9 9
2 0 . 0 O h m
I N
I N
U 3 1A D 5 8 4 TH -Q 8
6
574
321
V +V B G
S TBC A PC O M
2 . 5 V5 V1 0
R 1 2 5R s a t
D 2 61 N 5 8 1 9
+2 8 F I N
G N D A
G N D A
G N D A
D 1 8
M B R S 4 2 0 1 T3 G
R11
52.
49K
R 2 4 91 0 . 0 K
D 4 1M B R S 4 2 0 1 T3 G
R 9 61 0 0 O h m s
+ C 1 3 0
2 2 0 u F , 7 5 V
I N
B E B +1 0 V A
G N D A
G N D A
C 4. 1 u F
C 7. 0 1 u F
I N
R 2 5 1
2 0 . 0 K
D 5 6
1 N 5 7 1 1 U R -1
I N
11V
+C 4 44 7 u F , 1 0 V
R 1 2 81 0 0 O h m s
R 7 3 TB D
G N D A
I N
R 2 5 4 1 . 6 5 K
Q 4 2 2 N 3 6 3 7
TO FLOATING SUPPLIES
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Design
MKS INRUSH MITIGATION
IN
C73
510pF
IN
C80
.1uF
R1522.49K
IN
T13
RBSP 004
4
5
7
10
9
1
2
3
6
8
IN
D1181N5711UR-1
IN
R1384.99K
IN
C72.01uF
U24
UC1526A
1
2
7
6
3
4
5
8
910 11
12
18
13
16
1415
17
+E
-E
+CS
-CS
COMP
CSS
RST
SD
RTCT RDT
S
VREF
OUTA
OUTB
VCGND
VCC
IN
R143
100K
IN
R161Rsat
IN
IN
Q32
IRHNJ57230IN
C74
.1uF
Vref -1
R139
4.99K
D89
MBRS4201T3G
+
C166
TBD, H CASE CWR09
Q31
IRHNJ57230
D99
MBRS4201T3G
INC78
.1uF
FB8
D128
1N5711UR-1C86
820pF
INR140
100 Ohms
R145
10.0KR255
TBD
D120
1N5711UR-1
+28F IN
GNDA
L18
RBSP 005
2 1
4 3
+5VD at 21 mA+3.6VD at 509 mA+1.8VD at 753 mA
Vref -1
D123
1N5711UR-1
T17RBSP 007
1
2
35
7
400 PWM Sync
R146TBD
R148Jumped
R256TBD
IN
R13720.0 Ohm
FB7
Q44IRHLUB770Z4
IN D1691N6642
C85.1uF IN
IN
D108
MBRS4201T3GR142
20.0 Ohm
C63.1uF
Vcc
Q34
IRHLUB770Z4
R147TBD
Vref -1
C66 .1uF
R14410.0K
D115
1N5711UR-1
D981N5711UR-1
IDPU +5VD, +3.6VD, +1.8VD
T16
RBSP 007
1
2
3
4
6
IN
IN
IN
R14110.0K
MSK INRUSH MITIGATION TIMER
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Design
DUAL FLOATING SUPPLY
+C45
4.7 uF, 10%, 50VD73 MBRS4201T3G
L14RBSP 0141 4
2 3
FV4GND
D72
1N4111-1, 17 V
GNDA
FV4+15
D64 MBRS4201T3G
FV3-15T7
RBSP 015
1
2 3
5
4
T10
RBSP 015
1
2 3
5
4
D63MBRS4201T3G
FV3GND
D75
MBRS4201T3G
U21-1
R24010.0K C155
.1uF
+
C34
4.7
uF, 1
0%, 5
0V
FV3GND
D59
MBRS4201T3G
FV4GND
+
C36
4.7 uF, 10%, 50V
FV4-15
U21
MAX256
2,3
6,7
1
48
5
+5V
GND
CK_RS
MODEST1
ST2
D57
1N41
11-1
, 17
V
GNDA
D70MBRS4201T3G
GNDA
+5FLOAT_Y
C145
.1uF
+
C51
4.7 uF, 10%, 50V
L12
RBSP 014
1 4
2 3
C154 .1uF
+C32
4.7uF, 10%,25v
GNDA
D66
MBRS4201T3G
C144.1uF
FV3+15D55MBRS4201T3G
Y-FLTRGNDA
D68
1N41
11-1
, 17
V
D62
1N41
11-1
, 17
V
D159
1N5711UR-1
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
DESIGN
% Efficiency vs. I_out
0102030405060708090
100
0 5 10 15 20 25
I_out (mA)
Eff
icie
ncy
(%
)
Floating Supply TestingPeak to Peak output Voltage vs Current
y = -0.6013x + 34.638
29
29.5
30
30.5
31
31.5
32
32.5
33
33.5
34
0 1 2 3 4 5 6 7 8 9 10
mA
Series1
Linear (Series1)
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RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Design
Power Control Section
MOTOR1_P 28V _RTN
DOOR2_S MA _RTN
DOOR3_S MA
MOTOR 5_P28V
DOOR3_S MA _RTN
G1
S E NS E 5_RTN
nG2B
DGND
S P B _P 28V+5V
D
A HK P 4
<Doc> 30
RB S P LV P S - P CB P ORTION
C
1 2Monday, S eptember 14, 2009
Title
S ize Document Number Rev
Date: S heet of
TE MP 5
TEMP5
R69
1.00M
A HK P 8
R1 1.00M
S P B _P 28V DOOR2_S MA
+10V
R49
1.00M
DGND
V ref
D OOR2_SMA_R TN
U2
H508A RH
2
41413
5
1
3
8
67
9101112
1615
E NA B LE
IN1GND
V +IN2
A 0
V-
V OUT
IN3IN4
IN8IN7IN6IN5
A 1A 2
R43
60.4K
S P B _P 28V _RTN
R34
1.00
M
R38
1.00M
P CB _CMD
Run these off +5VD
B E B _A GND
+5V
D S E NS E 1_RTN
+5V
D
Q11IRHF597130
A HK P 5
R56
1.00M
R60
392 Ohms
U11
A D584TH-Q
86
574
321
V +V B G
S TBCA PCOM
2.5V5V10
+
+
IS O5
53111
2
3
8
76
5
B
D OOR_S5_R TN
MOTOR4_P 28V _RTN
A X B _P 28V
A
nG2B
S TA CE R_S 5
R18
1.00
M
D OOR_S5
MOTOR 3_P28V_R TN+5
VD
R44
1.00M
A X B _P 28V _RTN
Q9IRHF597130
D9
1N41
06-1
, 12V
D11
1N41
06-1
, 12V
U5
HCS 273K MS R
3478
13141718
11
1
256912151619
D1D2D3D4D5D6D7D8
CLK
CLR
Q1Q2Q3Q4Q5Q6Q7Q8
S E NS E 3A HK P 0
D7nG2A _1
Q14IRHF597130
GND
TE MP 6
D OOR1_SMA
MOTOR1_P 28V
nG2A _2
A HK P 14
+5V
D
Q12IRHF597130
B E B _A GND
R9 100 Ohms
+
+
IS O12
53111
2
3
8
76
5
R4 100 Ohms
D OOR4_SMA_R TN
+
+
IS O13
53111
2
3
8
76
5
D2
1N41
06-1
, 12V
R216
1.00
0K
D13
1N41
06-1
, 12V
P CB _A NA LOG_HK P
DOOR_S 6_RTN
P CB _CMD
+5V
D
+5V
D
S P B _P 28V _RTN
DOOR_P 5_RTN
DOOR4_S MA _RTN
D7
V ref
S E NS E 4_RTN
S P B _P 28V
MOTOR3_P 28V _RTN
R33
1.00
M
R50
1.00M
Q7IRHNLJ797034
+
+
IS O11
53111
2
3
8
76
5
+
+
IS O10
53111
2
3
8
76
5
R68
60.4K
STAC ER _P5_R TN
S TA CE R_S 5_RTN
G1
DOOR_S 5_RTN
MOTOR2_P 28V _RTN
A X B _P 28V
U9B
HCS 00DMS R
4
56
R8 100 Ohms
R59
1.00
M
D OOR3_SMA_R TN
S E NS E 5
D7
1N41
06-1
, 12V
A HK P 11
S TA CE R_S 6
TE MP 6
t
RT110K
S TA CE R_P 6
R37
1.00M
D5
S P B _P 28V _RTN
R45
1.00
M
Q3IRHF597130
MOTOR5_P 28V
D3TMON_LV P S
R58
1.00
M
P CB _CLK
DGND
DOOR_P 6_RTN
MOTOR 6_P28V
+5V
D
R19392 Ohms
DGND
S TA CE R_P 5
DOOR_P 6
R5710.0K
D31N4106-1, 12V
R36
392 Ohms
R41
392 Ohms
S E NS E 2
A X B _P 28V
+
+
IS O9
53111
2
3
8
76
5
S P B _P 28V
A X B _P 28V _RTN
S P B _P 28V _RTN
Q6IRHF597130
M1-M4 - SPB Motor power D1-D4 - SPB Door Actuation M5,M6 - AXB Motor power D5,D6 - Axial Sphere release actuation S5,S6 - Axial Stacer uncage actuation BD - Axial backup door actuation (5&6)BS - Axial backup stacer actuation (5&6)
S E NS E 6
D4
1N41
06-1
, 12V
R13 0RU1D
54A C14FMQB
9 8
A HK P 3
GND
S E NS E 3
MOTOR1_P 28V
DOOR_S 5
+
+
IS O8
53111
2
3
8
76
5
A HK P 10
DOOR_S 6_RTN
MOTOR4_P 28V
+5V
D
R28 1.00M
Q10IRHF597130
A X B _P 28V
S E NS E 1
TEMP5_R TN
D5
1N66
42
J705C
CONN DS UB HD 62-R
4344454647484950515253545556575859606162
Q5IRHF597130
D OOR3_SMA
R11 100 Ohms
A X B _P 28V _RTN
S P B _P 28V _RTN
nG2A _1
A HK P 13
D OOR_P5_R TN
D OOR1_SMA_R TN
MOTOR 3_P28V
U1B
54A C14FMQB
3 4
+
+
IS O1
53111
2
3
8
76
5
R40
1.00
M
S TA CE R_P 5_RTN
Q15IRHNLJ797034 C124
0.01uF
R55
1.00M
A HK P 12
S TA CE R_S 5
MOTOR5_P 28V _RTN
D OOR_P6
C127
0.01uF
R66
392 Ohms
DOOR1_S MA _RTN
S TA CE R_S 5_RTN
A X B _P 28V
A X B _P 28V _RTN
S E NS E 1
D16
1N40
99-1
, 6.8
V
D3
+5V
D
A HK P 7
DGND
S TA CE R_S 6_RTN STAC ER _P6_R TN
G1
R47
392 Ohms
A X B _P 28V _RTN
MOTOR1_P 28V _RTN
S TA CE R_S 6
V ref
MOTOR 4_P28V
R32100K
+5V
D
U13
A CS 138DMS R
15141312111097
123
546
Y 0Y 1Y 2Y 3Y 4Y 5Y 6Y 7
ABC
G2BG2AG1
-
+
U6B
A D648S
6
57
84
+
+
IS O4
53111
2
3
8
76
5
R25
1.00
M
R46
1.00
M
Switch Decoder Code Action 10XXXXXX - X 111XXXXX - X11011XXX - X11XX0011 - X 11000000 - M1,M211000001 - M3,M411000010 - M5,M611001000 - M111010000 - M211001001 - M311010001 - M411001010 - M511010010 - M611001011 - BS11010011 - S511001100 - D111010100 - D211001101 - D311010101 - D411001110 - D511010110 - D611001111 - BD11010111 - S6
+5V
D
R1210.0K
DGND
MOTOR6_P 28V
U7
H508A RH
2
41413
5
1
3
8
67
9101112
1615
E NA B LE
IN1GND
V +IN2
A 0
V-
V OUT
IN3IN4
IN8IN7IN6IN5
A 1A 2
+
+
IS O6
53111
2
3
8
76
5
U8
H508A RH
2
41413
5
1
3
8
67
9101112
1615
E NA B LE
IN1GND
V +IN2
A 0
V-
V OUT
IN3IN4
IN8IN7IN6IN5
A 1A 2
MOTOR6_P 28V _RTN
R51
1.00
M
D11N4106-1, 12V
S P B _P 28V _RTN
D OOR_P6_R TN
D OOR2_SMA
+
+
IS O15
53111
2
3
8
76
5
STAC ER _P6
D4
MOTOR2_P 28V _RTN
S E NS E 3_RTN
R35392 Ohms
DGND
S P B _P 28V _RTN
D1
R52
1.00
M
Q4IRHF597130
Run these off +5VD
D5
D2
R14 0R
C26.8uF 10V
DOOR_P 5
B E B _A GND
DOOR_S 6
D14
1N41
06-1
, 12V
R212
1.00
0K
S P B _P 28V
S P B _P 28V _RTN
R27
1.00
M
R16 0R
+5V
D
A X B _P 28V _RTN
R15 0R
J705A
CONN DS UB HD 62-R
123456789
101112131415161718192021
R63
1.00M
A HK P 6
A
MOTOR2_P 28V
S E NS E 5
U4 54A CS 164E
7
8
9
14
345610111213
12
GN
D
CLK
CLR
VC
C QAQBQCQDQEQFQGQH
AB
U14
A CS 138DMS R
15141312111097
123
546
Y 0Y 1Y 2Y 3Y 4Y 5Y 6Y 7
ABC
G2BG2AG1
Q13IRHF597130
R211
1.00
0K
R24
1.00M
+
+
IS O14
53111
2
3
8
76
5
D17
1N41
06-1
, 12V
D OOR_P5
D6
1N41
06-1
, 12V
A HK P 1
Analog MUX SelectCode Channel00000XXX - X00001000 - AHKP000001001 - AHKP100001010 - AHKP200001011 - AHKP300001100 - AHKP400001101 - AHKP500001110 - AHKP600001111 - AHKP7
MOTOR3_P 28V
S E NS E 2_RTN
-
+
U6A
A D648S
2
31
84
A X B _P 28V _RTN
MOTOR 4_P28V_R TN
-10V
U1C
54A C14FMQB
5 6
C
+5V
D
Q16IRHF597130 C128
0.01uF
A HK P 2
MOTOR2_P 28V+5
VD
U12
HCS 273K MS R
3478
13141718
11
1
256912151619
D1D2D3D4D5D6D7D8
CLK
CLR
Q1Q2Q3Q4Q5Q6Q7Q8
R213
1.00
0K
GND
nG2B
S E NS E 4
+
+
IS O16
53111
2
3
8
76
5
DOOR4_S MA
STAC ER _P5
+
+
IS O7
53111
2
3
8
76
5
D8
1N40
99-1
, 6.8
V
B
A X B _P 28V
U9D
HCS 00DMS R
12
1311
R62
1.00M
R26392 Ohms
00010000 - AHKP800010001 - AHKP900010010 - AHKP1000010011 - AHKP1100010100 - AHKP1200010101 - AHKP1300010110 - AHKP1400010111 - AHKP15
S E NS E 6_RTN
R7 0R
R22
392 Ohms
Run these off +5VD
S E NS E 4
S P B _P 28V
U1F
54A C14FMQB
13 12
C1
0.1uF
R48
392 Ohms
S P B _P 28V
R20
1.00
M
U1A
54A C14FMQB
1 2
R61
392 Ohms
R5 100 Ohms
D10
1N41
06-1
, 12V
TMON_LV P S
D OOR4_SMA
R1710.0K
+
+
IS O2
53111
2
3
8
76
5
+
+
IS O3
53111
2
3
8
76
5
R53
392 Ohms
R30
1.00M
C126
0.01uF
U3
H508A RH
2
41413
5
1
3
8
67
9101112
1615
E NA B LE
IN1GND
V +IN2
A 0
V-
V OUT
IN3IN4
IN8IN7IN6IN5
A 1A 2
U9C
HCS 00DMS R
9
108
S TA CE R_S 6_RTN
D6
00100000 - AHKP1600100001 - AHKP1700100010 - AHKP1800100011 - AHKP1900100100 - AHKP2000100101 - AHKP2100100110 - AHKP2200100111 - AHKP23
R39
17.8
K
R23 1.00M
P CB _S TB
Run these off +5VD
MOTOR 6_P28V_R TN
+5V
D
Q2
IRHF597130
R210.0K
R10 100 Ohms
A HK P 9
D6
A X B _P 28V
R42
392 Ohms
U1E
54A C14FMQB
11 10
U9A
HCS 00DMS R
1
23
R65
1.00
M
A HK P 15
DOOR_S 6C129
0.01uF
D2
R64
17.8
K
01000000 - AHKP2401000001 - AHKP2501000010 - AHKP2601000011 - AHKP2701000100 - AHKP2801000101 - AHKP2901000110 - AHKP3001000111 - AHKP31
DGND
GND
B E B _P 10VA
-10V
Run these off +5VD
+5V
D
S TA CE R_P 6_RTN
+10V
R29
392 Ohms
R31
10.0K
MOTOR 5_P28V_R TN
C
TE MP 6_RTN
Q8IRHF597130
C125
0.01uF
S P B _P 28V
S E NS E 6
D12
1N41
06-1
, 12V
GND
S E NS E 2
R215
1.00
0K
V ref
D1
D15
1N41
06-1
, 12V
R54
392 Ohms
Run these off +5VD
nG2A _2
A X B _P 28V
R3
10.0K
R67
392 Ohms
Run these off +5VD
+5V
D
A X B _P 28V _RTN
D4
R214
1.00
0K
DOOR1_S MA
J705B
CONN DS UB HD 62-R
222324252627282930313233343536373839404142
DGND
V ref
R6 100 Ohms
Q1IRHF597130
R21
1.00
M
1 MHZ
BYTE
CLEARS DECODERS
WITH POWER ON
LATCHES CMD
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Design
POWER SECTION (BACKPLANE)
P1
CONNECTOR DB15
815714613512411310291 INST_P28V
AXB_P28V
SPB_P28V
INST_P28V_RTN
CHASSIS
AXB_P28V_RTN
CHASSIS
SPB_P28V_RTN
POWER CONTROL SECTION (FRONT PANEL)
INPUT
(FRONT PANEL)
DOOR2_SMA
DOOR1_SMA _RTN
DOOR_S5
TEMP5
STA CER_P5_RTN
S E N S E 3 _ R TNDOOR3_SMA
DOOR_S5_RTN
B E B _ A G N D
M O TO R 1 _ P 2 8 V _ R TN
MOTOR5_P28V _RTN
S E N S E 6 _ R TN
DOOR3_SMA _RTN
M O TO R 2 _ P 2 8 V _ R TNM O TO R 2 _ P 2 8 V
S E N S E 6
S TA C E R _ S 5 _ R TN
MOTOR4_P28V _RTN
STA CER_P5
MOTOR6_P28V _RTN
J 7 0 5 A
C O N N D S U B H D 6 2 -R
123456789
1 01 11 21 31 41 51 61 71 81 92 02 1
DOOR_P5
DOOR2_SMA _RTN
TEMP5_RTN
STA CER_P6
S E N S E 2
S E N S E 5 _ R TNDOOR_P5_RTN
MOTOR3_P28V
MOTOR4_P28V
TE M P 6
DOOR4_SMA
MOTOR6_P28V
S E N S E 4 _ R TN
STA CER_P6_RTN
MOTOR3_P28V _RTN
S TA C E R _ S 6 _ R TN
M O TO R 1 _ P 2 8 V
S E N S E 3
S E N S E 1
DOOR_P6_RTN
DOOR4_SMA _RTN
J 7 0 5 B
C O N N D S U B H D 6 2 -R
2 22 32 42 52 62 72 82 93 03 13 23 33 43 53 63 73 83 94 04 14 2
J 7 0 5 C
C O N N D S U B H D 6 2 -R
4 34 44 54 64 74 84 95 05 15 25 35 45 55 65 75 85 96 06 16 2
S TA C E R _ S 6
D O O R _ S 6 _ R TN
S E N S E 2 _ R TN
S TA C E R _ S 5
S E N S E 5
D O O R _ S 6
DOOR1_SMA
MOTOR5_P28V
DOOR_P6
S E N S E 4
TE M P 6 _ R TN
S E N S E 1 _ R TN
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Mass & Power
Mass
• 824 Grams CBE (BOARD WITH FRONT PANEL)• Shielding Mass held by IDPU Chassis• Growth/Uncertainty Margin is 5%
Power
10.40147 5 1.8 3.6 5 5 10 10 5 10 10 225 225 30 30 30 30 30 30 VOLTAGESAvg 0.0104 0.440044 0.23776 0.068 0.081 0.04225 0.03621 0.003 0.055 0.05 0.0013 0.0003 0.0058 0.0058 0.0058 0.0058 0.0058 0.0058 CURRENT
0.052 0.792079 0.855936 0.34 0.405 0.4225 0.3621 0.015 0.55 0.5 0.2925 0.0675 0.174 0.174 0.174 0.174 0.174 0.174 POWER
16.974 5 1.8 3.6 5 5 10 10 5 10 10 225 225 30 30 30 30 30 30 VOLTAGES
Peak 0.0176 0.7532 0.556197 0.10225 0.1205 0.0765 0.058 0.0045 0.055 0.053 0.00557 0.00557 0.0093 0.0093 0.0093 0.0093 0.0093 0.0093 CURRENT
0.088 1.35576 2.00231 0.51125 0.6025 0.765 0.58 0.0225 0.55 0.53 1.25325 1.25325 0.279 0.279 0.279 0.279 0.279 0.279 POWER
IDPU BEB
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
TEST
Sample Tester
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
STATUS
•WORKING SUPPLY
•TESTED WITH IDPU
•TESTED WITH EMFISIS
•FLOATER EFFICIENCY 80%
•OVERALL EFFICIENCY IS ~50%
•VERIFIED 1% REGULATION
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
INRUSH TEST
Inrush Profile
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
SCHEDULE
TASK COMPLETION DATE
TEST PCB PORTION OF LVPS SEPT 30
NEW ETU LAYOUT RECEIVED OCT 2
EFFICIENCY OCT 2
BUILD NEW ETU OCT 23
SYNC SEQUENCE OCT 27
LINE REGULATION OCT 30
LOAD REGULATION OCT 30
CROSS REGULATION OCT 30
MSK INRUSH DEFEAT CIRCUIT OCT 30
RIPPLE MEASUREMENTS OCT 30
CURRENT TRIP THRESHOLDS NOV 6
MONITOR GAINS NOV 6
CONDUCTED EMISSIONS NOV 6
THERMAL TEST NOV 13
FLIGHT LAYOUT NOV 27
BUILD FIRST FLIGHT UNIT DEC 15
TEST FIRST FLIGHT UNIT JAN 8
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
PEER REVIEW RFAs
TITLE DESCRIPTION RESPONSE
Stress Analysis Ensure stress analysis done on all boards by CDR Parts chosen at design to accommodate stress margins
PCB Switch Dissipation Look at thermal dissipation of FET switches on PCB, is heat sinking necessary?
No additional heat sinking is necessary. Two of the higher dissipation FETS have new part numbers and the temp rise of the highest is less than 3°C.
LVPS Thermal Vacuum Test Check hot and cold operation of LVPS in Thermal Vacuum, in particular sync operation, soft start, in rush times, 1526 startup, floater and 225 supply outputs. Verify at hot that parts do not exceed rated temperatures.
Post CDR on complete ETU
Measure LVPS Efficiency Measure efficiency of all supplies Total efficiency of supplies is presently ~ 50%
Measure LVPS Cross Regulation
Verify that cross regulation of supplies meets 5% goal Will test asap, perhaps on new ETU (post CDR)
LVPS Free-run Frequency Verify that free run frequency of 1526 does not go above 90% of sync frequency
Currently, set point is 95% of sync frequency.
LVPS Soft start capacitors Include soft start capacitors in schematics Will be included where needed
Implement temporary current limiting on IDPU supply
Allow high inrush on the IDPU supply, but safe instrument in case of short
To be implemented with timed increase of overcurrent threshold on new ETU (post CDR).
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RB
SP
Rad
iati
on B
elt S
torm
Pro
bes
RBSP/EFW CDR 2009 9/30-10/1 LVPS+PCB Peter Berg
Issues
• CONSUMPTION• Improve efficiency
• NOISE• Reduce tone at 200KHz