バッテリ・パック充電器

工業用バッテリ充電器

設計上の考慮事項

Our battery pack charger solutions provide customers ready-to-evaluate circuit boards to charge, protect and manage power for batteries used in all critical power systems such as Industrial, telecom, server, and local energy storage systems such as UPS, power banks and battery packs. Our charging solutions help customers design hardware to meet the stringent norms such as ENERGY STAR, California Energy Commission (CEC) and DOE Standards. Our solutions and reference designs also mitigate design challenges such as tight current and voltage regulation, high efficiency during multiple modes of operation, high power factor, low THD, and very low standby power when a battery is disconnected. Our innovative technology also provides algorithms for multiple batteries with flexibility to program V/I parameters for different charging stages.

Common design challenges addressed include:

  • High efficiency by using both analog and digital implementation in which soft switching techniques such as frequency modulated, quasi- resonant flyback converters, LLC resonant DC/DC, and ZVS PWM DC/DC are used. Low standby / No load power solutions to meet ENERGY STAR and DOE standards
  • Fast charging with high charge current to support high capacity battery packs and thermal regulation to optimize the charging current
  • Charge profile controllers to convert a constant voltage source to a multistage battery profiling source
  • Increased battery safety with precise monitoring of temperature, charging duration, battery over-voltage, short detections and junction temperatures for power devices
  • Addresses specialized functions such as system power path management and resistive cable drop compensation charging algorithms
  • Backup power solutions using a single stage bi-directional topology for integrated local energy storage units
  • Smart power management charging solutions through multiple sources including the power grid and renewable energy sources such as solar
  • Robust external communication interfaces compliant to EMC standards

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