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Power Supply Unit for ATCA – based Piezo Power Supply Unit for ATCA – based Piezo
Compensation System
The research leading to these results has received funding from the European Commission under the FP7 Research Infrastructures project
EuCARD, grant agreement no. 227579.
Power Supply Unit for ATCA –
based Piezo Compensation System
K. Przygoda
T. Poźniak, D. Makowski, T. Kozak, M. Wiśniewski, A. NapieralskiDepartment of Microelectronics and Computer ScienceDepartment of Microelectronics and Computer Science
Technical University of Łódź, Poland
M. GreckiDeutsches Elektronen-Synchrotron, DESY
Hamburg, Germany
17th International Conference
Mixed Design of Integrated Circuits and Systems
Wrocław, 24-26 June 2010
Agenda
• Introduction
• Piezo compensation system at FLASH
• ATCA standard overview
• ATCA – based piezo compensation system
• Power supply unit prototype tests• Power supply unit prototype tests
• Summury and conclusions
3K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
FLASH Accelerator
ACC1
ACC2/3 ACC4/5/6/7
Main parameters: (Free Electron LASer in Hamburg):
• length ~ 315 m,• beam energy→ wavelength; E ≈ 1,2 GeV→ λe ≈ (44 ÷ 6) nm,
• 4 RF stations: ACC1; ACC2/3; ACC4/5; ACC6/7,
• RF stations powered by 5 ÷ 10 MW klystrons,
• 7 accelerating modules composed of 8 superconducting cavities each,
• RF pulse duration of 1.3 ms, typical repetition rate fRP= 10 Hz.
4K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
Supercondcuting Resonant Cavity
Main parameters:
5K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
• TESLA technology,
• 1 m length, made of pure Niobium,
• resonance frequency fo ≈ 1,3 GHz,
• mechanical resonance frequency fm ≈ 200÷300 Hz,
• loaded qaulity factor QL ≈ 3·106,
• typical accelerating field gradient 25 MV/m.
Lorentz Force Detuning
400 600 800 1000 1200 1400 1600 1800-300
-200
-100
0
100
200
300
time [us]
det
un
ing
[H
z]
cav1@acc6
25 MV/m
31 MV/m
33 MV/m
6K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
Compensation with Piezo Tuners
500 1000 1500 2000-300
-200
-100
0
100
200
300c av1@ ac c 6
tim e[us ]
detu
nin
g[H
z]
500 1000 1500 2000-300
-200
-100
0
100
200
300c av2@ ac c 6
tim e[us ]
detu
nin
g[H
z]
500 1000 1500 2000-300
-200
-100
0
100
200
300c av3@ ac c 6
t im e[us ]
detu
nin
g[H
z]
500 1000 1500 2000-300
-200
-100
0
100
200
300c av4@ ac c 6
t im e[us ]
detu
nin
g[H
z]
7K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
Piezo Compensation System at FLASH
Piezo Control Board
ADC
DWN
ACC3 ACC5ACC6
(double piezos)
CPU SimconDSP
Piezo Control Board
DOOCS
Probe
Forward
VME
DAC PZS
Piezo drivers
ACC7
(double piezos)
ACC1
(double piezos)
SimconDSP
5x
2x
2x2x
8K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
Piezo Control BoardDOOCS
External PWR Supply
ATCA Standard Overview (1)
AMC
ATCA ATCA Chase
RTM
9K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
AMC – Advanced Mezzanine Card
ATCA – Advanced Telecommunications
Computing Architecture
RTM – Rear Transition Module
Main advantages:
• inteligent patform management
• modular design,
• hot swapping,
• redundancy for the most crucial circuits,
• single relatively high voltage power bus,
• backplane connections.
ATCA Standard Overview (2)Floating
Fastener
ATCA
leds
Alignment
PinsAlignment
Feature
Zone 3 connectors
Alignment
Feature, Keying
10K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
Face
Plate
Handle
Feature, Keying
Zone 2 data
transports
Zone 1 power
connector
Backplane
ATCA-based LLRF Control System
11K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
Piezo Controller configuration for ATCA LLRF:
• 8 slots crate (can take for fabric interfaces slots 5÷8),
• 14 slots crate (can take for fabric interfaces slots 5÷14),
ATCA-based Piezo Compensation System
FPGA
PHYPHY
ZO
NE
3Z
ON
E2
GbE
ADC
RIO
SWITCH
TMPx16
PZD1 PZD8
PZD9 PZD16…
…
… …DAC
16
xPZ
S
ADC
ZO
NE
3 16
xPZ
D
Voltage
Curremt
sense
12K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
LDO
DC/DCIPMC
DC/DCZ
ON
E2
ZO
NE
1LDO
MMC DB
G
IPMB-0 – redundant I2C bus between Shelf Manager and IPMC on ATCA Carrier board
IPMB-L– local I2C bus between IPMC on ATCA Carrier board and external modules, i. e. RTM
IPMC – Intelligent Platform Management Controller
MMC – Module Management Controller
Control Loop
Piezo
Compensation
IQ Probe
IQ Forward
RIO/GbE
FPGA
Piezo
Actuator
RF Probes
LLRF
13K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
Compensation
IQ Reflected
Piezo
Sensor
Actuator
FPGA
Prototype Power Supply Unit
Parameter PRM
P048F048T24AL
VTM
V048F480T006
BCM
B048F48T30
Vin [V] 48 (36÷75) 48 (26÷55) 48 (38÷55)
V [V] 48 (26÷55) 48 (26÷55) 48 (38÷55)
BLACK
BOX-48V ±100V
14K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
Vout [V] 48 (26÷55) 48 (26÷55) 48 (38÷55)
Pout [W] 240 336 300
efficiency [%] 96 96 >96
PRM-VTM Tests
15K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
-48V100V
-100V
BCM Tests
16K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
+100V
-100V
-48V
Power Supply Tests
17K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
8-channel Piezo driver
loaded with 5 µF capacitance
Conclusions and Outlook
• Concept design accomplished (100%)
(16xdriving/16xsensing/integrated current-voltage-
temperature-monitorings/integrated bipolar power
supply),
• Electrical schematics accomplished (100%),
18K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
• PCB layouts accomplished (100%),
• Fabrication, laboratory tests and FLASH
commisioning scheduled for the end of the year
• Possible migrations to µTCA are considered
Thanks for Your Attention
19K. Przygoda, Dept. of Microelectronics and Computer Science, TUL
Power Supply Unit for ATCA – based Piezo Power Supply Unit for ATCA – based Piezo
Compensation System
We acknowledge funding from the European Commissionunder the FP7 Research Infrastructures project EuCARD, grant agreement no. 227579.