Press Releases

TDK-Lambda introduces the “EVA series” standard power supplies
designed exclusively for recharging of large capacity rechargeable batteries

February 21, 2012

TDK-Lambda Corporation (President : Yoshiaki Hirota, Head Office : Nihonbashi, Chuoku, Tokyo), a group company of TDK Corporation, has developed the “EVA series” standard power supplies designed exclusively for recharging of large capacity rechargeable batteries. The EVA product family, consisting of 150 VDC, 300 VDC and 600 VDC types, can meet a wide range of customer requirements. Order taking for 300 VDC will commence on April 30. Other models will be available shortly after.

■ Development background and concept

Today, there are more and more systems and applications that take advantage of high capacity rechargeable batteries such as smart grid, electric vehicles, plug-in hybrid vehicles, etc. In addition, demand for emergency power source based on rechargeable batteries is beginning to increase reflecting people's concern about power shortage that may result from shut down of nuclear power stations. In response to such needs of customers, TDK-Lambda has developed the “EVA series” standard power supplies designed exclusively for recharging of large capacity rechargeable batteries.

■ Product positioning

There are a wide variety of rechargeable battery systems ranging from small to large in capacity. The “EVA series” power supplies are built-in type AC-DC power supplies having maximum output power of 2.4 kW. They deliver 100 - 600 VDC output that is needed for high capacity rechargeable battery systems of over 10 kWh output for industrial use. They can handle recharging of a wide range of rechargeable batteries including lithium ion batteries.

■ Main features

  • Wide range of output voltage from 100 VDC to 600 VDC, optimal for recharging of high capacity rechargeable batteries
  • Offers programmable output voltage and current and can handle a wide range of recharging systems
  • Equipped with RS485 serial communication port as standard feature thus external devices can send commands for various settings
  • Meets various safety requirements of the world
  • Allows parallel operation (maximum 4 units can be connected using master-slave configuration)
  • Shoebox type housing, optimal for built-in assembly

■ Major applications

Applications that require high output voltage and constant current power source including recharging of large capacity rechargeable batteries.

(*) The “EVA series” products will be exhibited at the TDK-Lambda booth (booth number: W3-16) in the 4th International Rechargeable Battery Expo (February 29 (Wednesday) - March 2 (Friday) at Tokyo Big Sight) where technologies, components and materials for secondary and rechargeable batteries are gathered. Further information on the new products will be available there. We will respond to various needs of customers.

Profile of EVA series

Series name “EVA series” (AC-DC power supply for recharging purposes)
Features
  • Wide range of output voltage from 100 VDC to 600 VDC, optimal for recharging of high capacity rechargeable batteries
    1. * Optimal for recharging of high capacity rechargeable batteries such as lithium ion batteries that require 100 VDC or higher charging voltage
  • Offers programmable output voltage and current
    1. * Output voltage can be adjusted between 10% and 100% of the rated voltage
    2. * Output current can be adjusted between 0 and the rated current
  • Equipped with RS485 serial communication port as standard feature
    1. * Capable of performing efficient recharging that matches the characteristics of target batteries
  • Meets various safety requirements of the world
    1. * UL60950-1, IEC60950-1, EN60950-1 compliant
  • Allows parallel operation
    (maximum 4 units can be connected using master-slave configuration)
  • 2U format shoebox type housing, optimal for built-in assembly
  • Forced air cooling system
  • Long warranty period of 5 years (with conditions)

■ Summary of specifications

Model name:EVA2400

Model lineup:

Model name EVA150-16 EVA300-8 EVA600-4
Constant voltage mode
Programmable range
15 - 150 VDC 30 - 300 VDC 60 - 600 VDC
Constant current mode
Programmable range
0.16 - 16 ADC 0.08 - 8 ADC 0.04 - 4 ADC
Maximum output power 2,400 W
Input voltage Single phase 170-265VAC
Size W:250mm H:86mm(2U) D:445mm
External communication control Possible (RS485 or analog control)
Parallel operation Possible (maximum 4 units in master-slave configuration)
Cooling method Forced air cooling system

■ Order taking date

April 30, 2012 for EVA300-8
*Other types will be available shortly after
*For order start date outside of Japan, please contact our sales office near you.

Photos of EVA series

Photos of EVA series

About TDK-Lambda

TDK-Lambda, a member company of the TDK group, markets a wide range of high reliability power supplies on a worldwide basis as a leading company in the market of power supplies for industrial equipment. It has a global network of 5 R & D centers (Japan, China, Europe, USA and Asia) and offers a complete set of services from R & D and production through sales and maintenance to meet diversified customer needs. For more details, please pay a visit to http://www.tdk-lambda.com/

■ Glossary

  • Master-Slave:
    It is a method to control multiple power supplies when connected in parallel. A power unit that is capable of both power conversion and power control (master unit) is connected with one or more power units that are capable of only power conversion (slave unit) in the manner that signals from the master unit controls the slave unit(s) thus they work as one power unit.

Product Information

Product information on this web site is intended only for the Japanese market.

For other markets, please access the respective regional web site or contact your nearest sales office.

TDK Power Electronics World


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