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Dialog Semiconductor DA9313

DA9313 - high current, inductor-less power converter with power efficiency above 98%

Standalone converter for applications supplied by voltages from 5.0V to 10.5V
The DA9313 integrates industry’s first inductor-less 10A Power Converter for best-in-class efficiency and offers master/slave operation for up to 20A output current. The high current, inductor- less power converter at incredible efficiency above 98%, powering greater than 50W in less than 10 mm2 package.

DA9313 enables applications to be powered with improved efficiencies and requiring less volume compared to conventional high voltage direct conversion solutions. The fully integrated Power Converter halves the input voltage without the requirement for inductors and provides flat efficiency over a very wide range of output current.

Today’s competitor devices using charge pump technology to generate a regulated output voltage have very limited output current capabilities.

Key features

  • 2 to 1 Power Converter stage with Integrated power switches VOUT= ½ VIN
    • High and flat efficiency, above 98%
    • 10 A output current
    • Up to 20A output current in master/slave mode
    • Typical 60µA + 10µA quiescent current in master/slave configuration
  • nONKEY and enable/disable function
  • Power good indication
  • Master/slave synchronization
  • Power Cycling input
  • External clock input
  • I2C interface including interrupt signal (optional)
     

Key benefits

  • 10A total output current from 5.0V to 10.5V
  • Master/slave configuration for up to 20A output current
  • Enabling low profile externals (z-height ≤ 1mm) for high current application
  • Solution size reduction in comparison to inductor based solutions
  • Thermal hotspot reduction through ultra-high efficiency (98%)
     

Applications

  • 2S Battery Applications
  • Power Banks
  • Smartphone Direct Charging
  • Ultrabooks
  • Notebook Computers
  • Convertible Tablets
  • Chromebooks
  • Tablet Computers
  • DSLR and Mirrorless Cameras
  • Camcorders
     

Block diagram

Dialog Semiconductor DA9313 block diagram

Dialog Semiconductor DA9313 product image

 

Related Documents

 

Related Video

Industries first inductor-less 50W power converter, delivering +98% efficiency