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VCCS300 Series
USER MANUAL
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300W | 600W | 900W
Scalable
2" x 4" x 1.61"
Small
Fan-less
Silent
Cool it your way:
Conduction | Convection | Forced Air
The VCCS300 series user manual has been prepared by our design team to assist qualified engineers in correctly
designing in the VCCS300 product into their application to achieve the best reliability and performance possible.
All specifications are believed to be correct at time of publishing. Vox Power Ltd reserves the right to make changes to any of its products and to change or improve any part of the
specification, electrical or mechanical design or manufacturing process without notice. Vox Power Ltd does not assume any liability arising out of the use or application of any of its products
and of any information to the maximum extent permitted by law. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or
by any products of Vox Power Ltd. VOX POWER LTD DISCLAIMS ALL WARRANTIES AND REPRESENTATIONS OF ANY KIND WHETHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
IMPLIED WARRANTIES OF SUITABILITY, FITNESS FOR PURPOSE, MERCHANTABILITY AND NONINFRINGEMENT.
Please consult your local distributor or Vox Power directly to ensure that you have the latest revision before using the product and refer to the latest relevant user manual for further information
relating to the use of the product. Unless specifically otherwise agreed in writing by Vox Power, products sold by Vox Power are not intended for use in connection with life support systems,
human implantations, nuclear facilities or systems, aircraft spacecraft, military or naval missile, ground support or control equipment used for the purpose of guidance navigation or direction
of any aircraft spacecraft or military or naval missile or any other application where product failure could lead to loss of life or catastrophic property damage. The user will indemnify and hold
Vox Power harmless from any loss, cost or damage resulting from its breach of the provisions.
VCCS300 Series Overview
The VCCS300 series of conduction cooled power supplies deliver a silent 300 Watts of power in a miniature 2x4x1.61 Inch package and is the
ultimate power solution for industrial or medical applications where a high efficiency, ruggedized, noiseless and BF rated power solution with
Class I or II installation capability is required. The product series offers power densities exceeding 23W per cubic inch with efficiencies up to 95%
in a scalable power architecture. The VCCS300 conduction cooled power solution can be scaled up to 600 watts, 900 watts and beyond by
utilising the onboard current sharing feature. The VCCS300S is approved to the latest industrial safety standards (IEC/UL62368-1 2nd Edition) while
the VCCS300M is approved to the latest medical safety standards (IEC/UL60601-1 3
RD
Edition & IEC/UL60601-1-2 4
TH
Edition). Both versions are
approved to the latest EMC standards and feature market leading specifications and design-in application support.
Page 1 of 22
Vox Power Limited | Unit 2, Red Cow Interchange Estate, Ballymount, Dublin 22, D22 Y8H2, Ireland | T +353 1 4591161 |
www.vox-power.com
DOC-MN-008-03, VCCS300 User Manual
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Summary of Contents for VoxPower VCCS300 Series
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Page 1: Vccs300 Series Overview
VCCS300 Series Overview The VCCS300 series of conduction cooled power supplies deliver a silent 300 Watts of power in a miniature 2x4x1.61 Inch package and is the ultimate power solution for industrial or medical applications where a high efficiency, ruggedized, noiseless and BF rated power solution with Class I or II installation capability is required. -
Page 2: Table Of Contents
Contents VCCS300 Series Overview Contents Part Numbers and Ordering Information Important installation information Product Operation Output Performance (12V, 24V & 48V Models) Efficiency Performance Power Ratings Component Temperatures Mechanical Dimensions and Mounting Connector details Safety EMC Compliance Reliability Installing your VCCS300 Product... -
Page 3: Part Numbers And Ordering Information
Part Numbers and Ordering Information SUMMARY SPECIFICATION Nominal Load Model Rated current Rated Power Ripple Line regulation voltage regulation VCCS300X-12 300W 180mV ±50mV ±0.1%V VCCS300X-24 12.5A 300W 240mV ±50mV ±0.1% V VCCS300X-48 6.25A 300W 480mV ±50mV ±0.1% V X = S for ITE, M for Medical Subject to appropriate deratings. -
Page 4: Important Installation Information
Important installation information The VCCS300 series of open frame power supplies are intended for use within end customer applications which restrict access to un-authorized personnel. The instructions in this manual and all warning labels on the product must be adhered to carefully. -
Page 5: Product Operation
Product Operation System overview The diagram below outlines the topology and major internal components of a VCCS300 power supply. The AC mains is fused, filtered, and rectified before being boosted to an appropriate DC voltage. Protection is provided from AC line disturbances and excessive EMI emissions. - Page 6 No Load Power Consumption The VCCS300 series has an extremely low no-load power consumption of <1W. To achieve this the unit enters burst mode when the output power is below 6W. When in burst mode the ripple frequency will reduce significantly. The unit returns to normal operation when the output load goes above 12W.
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Page 7: Output Performance (12V, 24V & 48V Models)
Output Performance (12V, 24V & 48V Models) Power Profile The power profile diagram below is a voltage/current plot that together with the associated table provides details of the main features of the standard output voltages. Alternative output voltage constructions are available to order, consult your Vox Power Distributer or Vox Power representative for further details. POWER PROFILE Model RATED... - Page 8 Transient Response The VCCS300 series uses the latest current mode control algorithms to achieve a fast (<500uS) and stable response to dynamic loading. Where large dynamic loading and tight voltage deviation specification are required, additional low impedance external capacitance should be placed at the load.
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Page 9: Efficiency Performance
Efficiency Performance The efficiency of the VCCS300 product is dependent on parameters such as mains voltage, output power and on the model. The plots below show typical efficiencies of a VCCS300 product for the standard output voltages. The plots cover the full load and line voltage range. TYPICAL EFFICIENCIES Page 9 of 22 Vox Power Limited | Unit 2, Red Cow Interchange Estate, Ballymount, Dublin 22, D22 Y8H2, Ireland | T +353 1 4591161 |... -
Page 10: Power Ratings
Power Ratings VCCS300 series products must always be operated within stated operating limits. Equipment manufacturers and other users must take the appropriate derating into account when specifying a unit for the intended application. If in doubt, contact your sales representative or Vox Power for assistance. -
Page 11: Component Temperatures
Component Temperatures Evaluating the VCCS300 product in the end application To ensure the product is operating within its ratings in the end application the following procedure should be performed during the design stage. Setup the application in worst case conditions, considering mains voltage, output power, ambient temperature, mounting orientation, airflow, and cooling restrictions. -
Page 12: Mechanical Dimensions And Mounting
Mechanical Dimensions and Mounting MECHANICAL DIMENSIONS AND MOUNTING SCREWS Location Details Penetration Tightening Baseplate Mount M3 Hex Socket Head Cap Screw 3mm Head height 0.50NM (Screw from top side): N1 – N4 Baseplate Mount M4 - Customer Preference 6mm from bottom of Baseplate 0.55NM (Screw from bottom side): N1 –... -
Page 13: Connector Details
Connector details CONNECTOR DETAILS MATING CONNECTORS Ref. Details Manufacturer Housing Terminal J1 - Mains Input 2 Pin, 7A, 250V , 7.92mm Locking VAR-2 SVA-41T-P1.1 1 – Live 2 - Neutral J2 - Protective Earth FASTON, PIDG series, Positive lock 0.25EX TE Connectivity 165536-1 J3 - Positive Output Power... -
Page 14: Safety
Safety The VCCS300 unit has been designed to comply with the Low Voltage Directive DIR 2014/35/EU (LVD), the EMC Directive DIR 2014/30/EU and DIR 2011/65/EU regarding the restriction of certain hazardous substances and is CE marked to show its compliance. When correctly installed (per the installation instructions in this manual) in a limited access environment the VCCS300S &... -
Page 15: Emc Compliance
EMC Compliance To support compliance of the final system design with the EMC directive 2014/30/EU, the VCCS300 PSU has been designed and tested to the following standards. ELECTROMAGNETIC COMPLIANCE – EMISSIONS Phenomenon Basic EMC Standard Test Details Radiated emissions, electric field EN55011/22 Class B compliant Conducted emissions... - Page 16 Installation Guidelines for optimum EMC performance • VCCS300 units should be mounted within a metal enclosure using the mounting fixtures provided. (See “Mechanical Dimensions & Mounting” section) • If the application enclosure is not metal, then a metal ground plate should be used to mount both the power supply and the load. •...
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Page 17: Reliability
Reliability The VCCS300 series has undergone extensive testing, including HALT and Environmental testing. Reliability data is collected on an ongoing basis. Please contact Vox Power or your distributor for the most up to date reliability data. The reliability data quoted in the datasheets are the calculated failures per million hours (FPMH) using the Telcordia SR-332, issue 2 standard. -
Page 18: Installing Your Vccs300 Product
Installing your VCCS300 Product The VCCS300 power supply is designed to be used as part of an end-system in a restricted environment and therefore should only be accessible to qualified and trained personnel. Persons attempting to install a unit must have the necessary knowledge and training before doing so. Incorrect installation may cause damage to the power supply and may affect the warranty. - Page 19 Connecting units in parallel VCCS300 units of the same type can be paralleled in any number to achieve higher output currents. To parallel the outputs simply connect all the positive power cables together and all the negative power cables together. No other external circuitry is necessary. For best performance and increased reliability, it is recommended to enable share mode on each unit (See “Share Mode (Droop)”...
- Page 20 Attaching a heatsink or cooling plate For improved performance & reliability, the baseplate of the VCCS300 unit can be attached to a heatsink, cooling plate or equipment enclosure. It is recommended to use a thermal interface material (such as SILPAD400) between the baseplate and mounting surface to ensure efficient cooling. The baseplate has four M4 threaded mounting holes which allow the unit to be mounted from the top side with 4x M3 Hex Socket Head Cap Screws or from the bottom side with 4x M4 screws.
- Page 21 Installation Clearances The diagram below shows the minimum recommended clearances to meet safety isolation requirements. Enclosure Enclosure ≥5mm Clearance or insulator with thickness > 0.4mm Enclosure or Heatsink Mount baseplate directly to Enclosure or Heatsink ≥5mm Clearance or insulator with thickness > 0.4mm on all sides Class II equipment For Class II equipment, the end equipment must also provide a supplementary insulation barrier to the baseplate.
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Page 22: Accessories
Accessories Description Photo/Drawing Order code VCCS300 Cable Set 1x Input connector housing CAB-V3 2x Input crimp connectors 1x Earth crimp connector 2x Output crimp connector VCCS300 Cover Kit CKIT-V3 Page 22 of 22 Vox Power Limited | Unit 2, Red Cow Interchange Estate, Ballymount, Dublin 22, D22 Y8H2, Ireland | T +353 1 4591161 | www.vox-power.com DOC-MN-008-03, VCCS300 User Manual...
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