Electrochem | Customized Battery Power | solutions Sensing Systems
Product Name

External Adapter Power Supplies

Electrochem designs and manufactures custom external adapter style power supplies as part of our solutions for portable products, battery chargers and docking stations. We have an extensive portfolio of low and medium power AC/DC and DC/DC reference designs to fill specific product needs. Typical topologies include:

  • Fly-back variations
  • Forward converter
  • Quasi resonant
  • Half bridge LLC resonant

Electrochem has the design expertise and experience to provide full featured, minimal form-factor, cost-effective solutions. Our mechanical engineering team is experienced with solving design issues related to packaging including thermal management and custom power inter-connect design. Our engineering team is experienced in working with our OEM customers and ready to help specify:

  • Input requirements:
    • AC and/or DC voltages/frequency
    • In-rush current
    • PFC
  • Output requirements:
    • Number of output channels
    • Output voltage(s) and tolerance
    • Efficiency
    • Hold-up time
    • Over-voltage protections (OVP), Over-current Protection (OCP)
  • Environmental
    • High and low temp., humidity, altitude, etc.
    • IPC Ratings
  • Compliance
    • Safety – UL, IEC, etc. including medical standards
    • IEC 61000 (emissions and susceptibility)
    • Green initiatives (RoHS, WEE, CEC)

Electrochem's power supply offering includes:

  • Low and medium power solutions from 5 to 200 watts
  • Single and multiple constant voltage and constant power (battery charging) outputs
  • Harmonic current (power factor) correction above 60 watts (AC powered devices)
  • High efficiency switching topologies (AC/DC up to 90% and DC/DC over 90%)
  • International safety, EMC and green initiative compliance


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