Download PS.design.JV_Valencia.conf

PXD POWER SUPPLY DESIGN
J. Visniakov, P. Vázquez
Universidad de Santiago de Compostela
5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30
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PS block schematic
Monitoring /
controlling
software
µController
5 output
voltages
EEPROM
18 output
voltages
USB
controller
DC-DC
Priority
decoder
First board for primary
floating voltages
Second board for PXD powering
5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30
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First board. Schematics
5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30
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First board. Devices
TRACO POWER
TEN 40WI Series
Features:
• High power density: 40W in 2”x2”x0.4” metal package
• Ultra wide 4:1 input voltage range
• Very high efficiency up to 87%
• No minimum load required for single output models
• Over temperature protection
• Under voltage lockout
• Remote On/Off
• Shielded metal case with insulated baseplate
• Optional heat-sink
LT1185
Dropout Voltage: 0.75V at 3A
Accurate Programmable Current Limit
Symbol
Value
Unit
86%
VI
35
V
8.0 A
87%
VO
2.5 to 25
V
12 VDC
3.35 A
87%
IO
3
A
15 VDC
2.65 A
87%
TEN 40-2422WI
± 12 VDC
± 1.65 A
86%
TEN 40-2423WI
± 15 VDC
± 1.35 A
86%
Output voltage
Output current
max.
Efficiency
typ.
TEN 40-2410WI
3.3 VDC
10.0 A
TEN 40-2411WI
5.0 VDC
Ordercode
TEN 40-2412WI
TEN 40-2413WI
Input voltage range
9 – 36 VDC
(24 VDC nominal)
5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30
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First board. Layout
Board size: 12x20 cm
5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30
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Second board. Schematics (1)
TL783C
AD5290
Output Adjustable From 1.25 V to 125 V
700-mA Output Current
0.001%/V Typical Input Voltage Regulation
0.15% Typical Output Voltage Regulation
256 position
10 kΩ, 50 kΩ, 100 kΩ
3-wire SPI®-compatible serial interface
LT3022
VIN Range: 0.9V to 10V
Dropout Voltage: 145mV Typical
Output Current: 1 A
5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30
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Second board. Schematics (2)
LHC4913
3 A low dropout voltage
Overtemperature and overcurrent protection
Adjustable overcurrent limitation
Symbol
Value
Unit
VI
VO
IO
12
1.23 to 9
3
V
V
A
5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30
Symbol
Value
Unit
LT1763
VI
20
V
Low Dropout Voltage: 300mV
No Protection Diodes Needed
Overcurrent Protected
VO
1.22 to 20
V
IO
0.5
A
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Second board. Layout
Board size: 15x26 cm
5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30
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Thank you
5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30
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