VersaLogic EPMs-PS1 User manual
Distributor of VersaLogic Corporation: Excellent Integrated System Limited
Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Excellent Integrated System Limited
Excellent Integrated System Limited
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VersaLogic Corporation
VersaLogic Corporation
VL-EPMS-PS1A
VL-EPMS-PS1A
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For any questions, you can email us directly:
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Distributor of VersaLogic Corporation: Excellent Integrated System Limited
Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Reference
Manual
DOC. REV. 6/1/2009
EPMs-PS1
Power Supply SUMIT-104
Module
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Distributor of VersaLogic Corporation: Excellent Integrated System Limited
Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
EPMs-PS1 Reference Manual ii
WWW.VERSALOGIC.COM
12100 SW Tualatin Road
Tualatin, OR 97062-7341
(503) 747-2261
Fax (971) 224-4708
Contents Copyright © 2013
All Rights Reserved
Notice:
Although every effort has been made to ensure this document is error-free, VersaLogic makes no
representations or warranties with respect to this product and specifically disclaims any implied warranties of
merchantability or fitness for any particular purpose.
VersaLogic reserves the right to revise this product and associated documentation at any time without
obligation to notify anyone of such changes.
PC/104 and the PC/104 logo are trademarks of the PC/104 Consortium.
MEPSMPS1
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Distributor of VersaLogic Corporation: Excellent Integrated System Limited
Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
EPMs-PS1 Reference Manual iii
Product Release Notes
Rev 2 Release
Beta release. No battery backup function.
Rev 1 Release
Pre-production only. EPMs-PS1a model only–no battery backup function.
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
EPMs-PS1 Reference Manual iv
Contents
Introduction ..................................................................................................................... 1
Features............................................................................................................................... 1
Technical Specifications ..................................................................................................... 2
Block Diagram.................................................................................................................... 3
RoHS-Compliance .............................................................................................................. 4
About RoHS........................................................................................................... 4
Warnings............................................................................................................................. 4
Electrostatic Discharge .......................................................................................... 4
Transient Voltage Suppression (TVS) Devices ..................................................... 5
Technical Support ............................................................................................................... 6
Repair Service........................................................................................................ 6
Physical Description....................................................................................................... 7
Dimensions and Mounting.................................................................................................. 7
Hardware Assembly............................................................................................... 8
Stack Arrangement Example ................................................................................. 8
External Connectors............................................................................................................ 9
EPMs-PS1 Connectors........................................................................................... 9
EPMs-PS1 Connector Functions and Interface Cables........................................ 11
Jumper Block ....................................................................................................................12
Jumpers As-Shipped Configuration – Rev. 1.xx Boards ..................................... 12
Operation .......................................................................................................................13
Main Power Input ............................................................................................................. 13
Power Out ......................................................................................................................... 13
J7 Connector Power Out ...................................................................................... 13
SUMIT Connector Power Out ............................................................................. 14
PC/104 (ISA) Connector Power Out ................................................................... 16
Power Supply Control....................................................................................................... 17
Efficiency and Derating .................................................................................................... 17
Appendix A – References............................................................................................. 19
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Distributor of VersaLogic Corporation: Excellent Integrated System Limited
Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
EPMs-PS1 Reference Manual 1
Introduction
Features
The EPMs-PS1 is a DC switching power supply designed for high reliability in a wide variety of
applications. The rugged design is conservatively rated to provide continuous 50 watt power
output. When designing stacking SUMIT-104 compatible systems, OEMs and system integrators
are able to develop entire systems using VersaLogic CPUs, I/O expansion modules and power
supplies. Its features include:
PC/104-Express compliant
footprint.
Transient voltage suppression
provides enhanced ESD protection.
Protected against output over-
current, input over-current, and
input polarity reversal.
Engineered to minimize heat
generation with 91% peak
efficiency.
Designed to provide -40° to +85°C
operation for reliable use in harsh
environments.
Full compliance with EU Directive
2002/95/EC (RoHS) for devices used in
Europe.
Power is supplied into the SUMIT (PCI
Express) and PC/104 (ISA) buses or can
be accessed from the screw clamp
terminal blocks.
Each voltage output can be enabled or
disabled with an external input signal.
All EPMs-PS1 boards are subjected to functional testing and are backed by a limited two-year
warranty. Careful parts sourcing and US-based technical support ensure the highest possible
quality, reliability, service and product longevity for this exceptional SUMIT-104 module.
1
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Introduction
EPMs-PS1 Reference Manual 2
Technical Specifications
Board Size:
3.55" x 3.775" (90 mm x 96 mm),
PC/104 compliant
Storage Temperature:
-40° C to +85° C
Operating Temperature:
-40° C to +60° C at 50W, derated to
25W at +85°C (See Figure 10. Power
Supply Derating Curve on page 18.)
Power Requirements:
+9V to +40V DC
+5V Output:
50W (10A) max. continuous from -40° C
to +60° C, derated to 25W (5A) at +85°
C (See Figure 10. Power Supply
Derating Curve on page 18.)
±12V Outputs:
1.8W (150 mA) each max. continuous
from -40° C to +85° C
Output Regulation:
1% – all outputs
Output Voltage Ripple:
5V output : 30 mV pk-pk at 50% load
±12V output: 30 mv pk-pk at 50% load
Switching Frequency:
5V output: 200 KHz fixed
± 12V output: 1.2 MHz fixed
Bus Compatibility:
PC/104 (ISA)
SUMIT AB (PCI Express)
Humidity:
Less than 95%, noncondensing
ESD Protection:
Transient voltage suppression and
overload protection
Input Protection:
Transient voltage suppression and
fuse
Output Protection:
Current limiting and transient voltage
suppression
Weight:
TBD
Specifications are subject to change without notice.
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Introduction
EPMs-PS1 Reference Manual 3
Block Diagram
Figure 1. EPMs-PS1 Block Diagram
Orange = Input Power. Red = 5V Output Power. Blue = ±12V Power Output. Green = Battery backup from battery card.
* Battery backup feature is not implemented on the EPMs-PS1a model.
5 Volt 10 Amp
HV Buck
Regulator
+/- 12 Volt 100 MA
Boost-Inverter
Regulator
Battery Backup Mezzanine Connector*
SUMIT (PCIe) Pass-
through Connector
Power
Connector
Input Power
Conditioner
PC/104 (ISA) Pass-
through Connector
Input
Power
Connector
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Introduction
EPMs-PS1 Reference Manual 4
RoHS-Compliance
The EPMs-PS1 is RoHS-compliant.
ABOUT ROHS
In 2003, the European Union issued Directive 2002/95/EC regarding the Restriction of the use of
certain Hazardous Substances (RoHS) in electrical and electronic equipment.
The RoHS directive requires producers of electrical and electronic equipment to reduce to
acceptable levels the presence of six environmentally sensitive substances: lead, mercury,
cadmium, hexavalent chromium, and the presence of polybrominated biphenyls (PBB) and
polybrominated diphenyl ethers (PBDE) flame retardants, in certain electrical and electronic
products sold in the European Union (EU) beginning July 1, 2006.
VersaLogic Corporation is committed to supporting customers with high-quality products and
services meeting the European Union’s RoHS directive.
Warnings
ELECTROSTATIC DISCHARGE
Electrostatic discharge (ESD) can damage board components. The circuit board must only be
handled at an ESD workstation. If an approved station is not available, some measure of
protection can be provided by wearing a grounded antistatic wrist strap. Keep all plastic away
from the board, and do not slide the board over any surface.
After removing the board from its protective wrapper, place the board on a grounded, static-free
surface, component side up. Use an antistatic foam pad if available.
The board should also be protected inside a closed metallic anti-static envelope during shipment
or storage.
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Introduction
EPMs-PS1 Reference Manual 5
TRANSIENT VOLTAGE SUPPRESSION (TVS) DEVICES
The EPMs-PS1 circuitry is protected from spike and surge damage by on-board transient voltage
suppression (TVS) devices on the power out signals. In order for the TVS devices to function
properly, they must be connected to earth ground. This connection is made at the board’s lower
right mounting hole, as shown in Figure 2. All other mounting holes are floating. Use metal
standoffs or a grounding strap to connect the lower right mounting hole to the enclosure chassis,
which should be connected to earth ground.
Figure 2. Attaching the EPMs-PS1 to Earth Ground
Only the lower left mounting hole
connects to the TVS devices. This
hole must be connected to earth for
TVS protection to function.
EPMs-PS1
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Introduction
EPMs-PS1 Reference Manual 6
Technical Support
If you are unable to solve a problem with this manual please, contact VersaLogic technical
support at (503) 747-2261. VersaLogic technical support engineers are also available via e-mail at
REPAIR SERVICE
If your product requires service, you must obtain a Returned Material Authorization (RMA)
number by calling (503) 747-2261.
Please provide the following information:
Your name, the name of your company and your phone number
The name of a technician or engineer that can be contact if any questions arise.
Quantity of items being returned
The model and serial number (barcode) of each item
A detailed description of the problem
Steps you have taken to resolve or recreate the problem
The return shipping address
Warranty Repair All parts and labor charges are covered, including return shipping
charges for UPS Ground delivery to United States addresses.
Non-warranty Repair All non-warranty repairs are subject to diagnosis and labor charges,
parts charges and return shipping fees. Please specify the shipping
method you prefer and provide a purchase order number for invoicing
the repair.
Note Please mark the RMA number clearly on the outside of the box before
returning. Failure to do so can delay the processing of your return.
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
EPMs-PS1 Reference Manual 7
Physical Description
Dimensions and Mounting
The EPMs-PS1 complies with all PC/104-Express standards, which provide for specific mounting
hole and stack locations as shown in the diagram below.
Figure 3. EPMs-PS1 Dimensions and Mounting Holes
(Not to scale. All dimensions in inches.)
Caution The board must be supported at all four mounting points to prevent excessive
flexing when expansion modules are mated and detached. Flex damage caused by
excessive force on an improperly mounted circuit board is not covered under the
product warranty.
2
–0.200
0.000
3.150
3.350
0.150
0.000
-0.200
3.575
3.375
3.050
0.125 DIA x4
Use 3mm or #4
standoffs
+
+
+
+
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Physical Description
EPMs-PS1 Reference Manual 8
HARDWARE ASSEMBLY
The EPMs-PS1 uses PC/104 (ISA) and SUMIT AB bottom (PCI Express) connectors for
expansion. The following stacking rules apply to the EPMs-PS1:
The EPMs-PS1 must be the top SUMIT board.
The EPMs-PS1 must be stacked above the CPU board. This is a general requirement for
SUMIT expansion boards.
ISA boards can be stacked above or below the EPMs-PS1, but no ISA boards can be
stacked between the EPMs-PS1 and other SUMIT boards.
The entire assembly can sit on a table top or be secured to a base plate. When bolting the unit
down, make sure to secure all four standoffs to the mounting surface to prevent circuit board
flexing. Standoffs are secured to the top circuit board using four pan head screws. Standoffs and
screws are available as part number VL-HDW-105. Note that the standoffs in this kit are 15.25
mm (0.60 inch), and must not be mixed with the 15.0 mm standoffs used for non-SUMIT boards.
An extractor tool is available (part number VL-HDW-203) to separate the PC/104 modules from
the stack. Use caution when using the extractor tool not to damage any board components.
STACK ARRANGEMENT EXAMPLE
Figure 4. Stack Arrangement Example
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Physical Description
EPMs-PS1 Reference Manual 9
External Connectors
EPMS-PS1 CONNECTORS
Figure 5. EPMs-PS1 Connectors – Top Side
= Pin 1
J5
PC/104
J6
+9-40 VDC In
Ground
J7
+5V Out
Ground
+12V Out
-12V Out
+12V Disable
-12V Disable
+5V Disable
Ground
1
2
1
2
3
4
5
6
7
8
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Physical Description
EPMs-PS1 Reference Manual 10
Figure 6. EPMs-PS1 Connectors – Bottom Side
= Pin 1
PC/104
J4
SUMIT B
Bottom
J3
SUMIT A
Bottom
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Physical Description
EPMs-PS1 Reference Manual 11
EPMS-PS1 CONNECTOR FUNCTIONS AND INTERFACE CABLES
The following table notes the function of each connector, as well as mating connectors and
cables, and the page where a detailed pinout or further information is available.
Table 1: Connector Functions and Interface Cables
Connector
Function
Mating Connector
Transition
Cable
Cable Description Pin 1 Location1
x coord. y coord.
Page
J32SUMIT A Bottom Samtec ASP-129646-01 – – 2.712 3.317 14
J4 SUMIT B Bottom Samtec ASP-129646-01 – – 1.669 3.317 15
J5 PC/104 (ISA) AMP 1375795-2 – – 0.050 0.200 16
J6 Power In – – Insulated wire3, AWG
16-14, to screw terminal
0.098 2.629 13
J7 Aux Power Out and
PS Control
– – Insulated wire3, AWG
16-14, to screw terminal
0.102 1.941 13, 17
1. The PCB origin is the mounting hole to the lower left, as oriented in Figure 5.
2. Connectors are not installed at locations J1 and J2.
3. Wire insulation should be chosen based on the application and safety agency requirements.
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Physical Description
EPMs-PS1 Reference Manual 12
Jumper Block
JUMPERS AS-SHIPPED CONFIGURATION –REV.1.XX BOARDS
Figure 7. V1 Jumper Block Location – Rev. 1.xx Boards
Note: On Rev. 2.xx boards, the V1 jumper header is not installed.
Table 2: Jumper Summary – Rev. 1.xx Boards
Jumper
Block
Description
As
Shipped
V1 Factory Use Only – This jumper must be installed or the EPMs-PS1
Rev. 1.xx will not operate.
[1-2]
1
2
3
V1
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
EPMs-PS1 Reference Manual 13
Operation
Main Power Input
Power is input to the EPMs-PS1 through connector J6, which is a two-position, 5.08 mm screw
terminal accepting AWG 16-14 insulated wire. Input voltage can range from 7V to 40V.
Table 3: Main Power Input Connector Pinout
J6
Pin
Signal
Name
Description
1 VIN +9-40 VDC Input
2 GND Input Ground
Power Out
Power is output through connector J7 and the SUMIT (J3 and J4) and ISA (J5) connectors.
J7 CONNECTOR POWER OUT
The J7 connector is a series of four two-position, 5.08 mm screw terminals accepting AWG 16-14
insulated wire.
Table 4: J7 Power Out Connector Pinout
J7
Pin
Signal
1 +5V out
2 Ground
3 +12V out
4 -12V out
3
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Operation
EPMs-PS1 Reference Manual 14
SUMIT CONNECTOR POWER OUT
Power is output on the SUMIT connectors (J3 and J4) as shown in Table 5 and Table 6. Available
ground pins are also shown in these tables.
Table 5: SUMIT A (J3) Connector Power Out
Pin Signal Signal Pin
1 +5VSB
+12V 2
3 3.3V (not supplied) SMB/I2C_DATA 4
5 3.3V (not supplied) SMB/I2C_CLK 6
7 EXPCD_REQ# SMB/I2C_ALERT# 8
9 EXPCD_PRSNT# SPI/uWire_DO 10
11 USB_OC# SPI/uWire_DI 12
13 Reserved SPI/uWire_CLK 14
15 Reserved SPI/uWire_CS0# 16
17 Reserved SPI/uWire_CS1# 18
19 Reserved Reserved 20
21 +5V Reserved 22
23 USB2+ LPC_AD0 24
25 USB2- LPC_AD1 26
27 +5V LPC_AD2 28
29 USB1+ LPC_AD3 30
31 USB1- LPC_FRAME# 32
33 +5V SERIRQ# 34
35 USB0+ LPC_PRSNT#/GND 36
37 USB0- CLK_33MHz 38
39 GND GND 40
41 A_PETp0 A_PERp0 42
43 A_PETn0 A_PERn0 44
45 GND APRSNT#/GND 46
47 PERST# A_CLKp 48
49 WAKE# A_CLKn 50
51 +5V GND 52
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Datasheet of VL-EPMS-PS1A - SUMIT-104, POWER SUPPLY 50 W
Operation
EPMs-PS1 Reference Manual 15
Table 6: SUMIT B (J4) Connector Power Out
Pin Signal Signal Pin
1 GND GND 2
3 B_PETp0 B_PERp0 4
5 B_PETn0 B_PERn0 6
7 GND BPRSNT#/GND 8
9 C_CLKp B_CLKp 10
11 C_CLKn B_CLKn 12
13 CPRSNT#/GND GND 14
15 C_PETp0 C_PERp0 16
17 C_PETn0 C_PERn0 18
19 GND GND 20
21 C_PETp1 G C_PERp1 22
23 C_PETn1 N C_PERn1 24
25 GND D GND 26
27 C_PETp2 C_PERp2 28
29 C_PETn2 C_PERn2 30
31 GND GND 32
33 C_PETp3 C_PERp3 34
35 C_PETn3 C_PERn3 36
37 GND GND 38
39 PERST# WAKE# 40
41 Reserved Reserved 42
43 +5V Reserved 44
45 +5V 3.3V (not supplied) 46
47 +5V 3.3V (not supplied) 48
49 +5V 3.3V (not supplied) 50
51 +5V +5VSB 52
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