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Analog Devices Inc. ADuM7223 Isolated Precision Half-Bridge Driver

Analog Devices Inc. ADuM7223 Isolated Precision Half-Bridge Driver features 4.0A isolated, half-bridge gate drivers designed using ADI's iCoupler® technology to provide independent and isolated high-side and low-side outputs. Combining high-speed CMOS and monolithic transformer technology, these isolation components offer outstanding performance characteristics superior to alternatives such as the combination of pulse transformers and non-isolated gate drivers.

Featuring two independent isolation channels, ADuM7223 operates with an input supply ranging from 3V to 5.5V, providing compatibility with lower voltage systems. The outputs operate in a wide range from 4.5V to 18V with three output voltage versions available.

ADuM7223 offers the benefit of true, galvanic isolation between the input and each output. As a result, these gate drivers provide reliable control over the switching characteristics of IGBT/MOSFET configurations over a wide range of positive or negative switching voltages.

The 5mm×5mm, LGA package provides 565V operating voltage from input to output and 700V from output to output. By integrating the isolator and driver in a single package, propagation delay is a maximum of only 64ns, and the propagation skew from channel to channel is a maximum of only 12ns at 12V. 

Features

  • 4.0A peak output current
  • Working voltage
    • 565V peak High-side or low-side relative to input
    • 700V peak High-side to low-side differential
  • 1MHz Maximum high-frequency operation
  • Precise timing characteristics
    • 64ns maximum propagation delay
    • 8.5ns maximum channel-to-channel matching
  • 3.0V to 5.5V input voltage
  • 4.5V to 18V output drive
  • UVLO supply at 2.8V VDD1
  • A Version UVLO, VDDA and VDDB (VDD2) at 4.1V
  • CMOS input logic levels
  • >25kV/μs High common-mode transient immunity
  • 125°C High junction temperature operation
  • Default low output
  • 5mm × 5mm, 13-terminal LGA

Applications

  • Switching power supplies
  • Isolated IGBT/MOSFET gate drives
  • Industrial inverters

Evaluation Board

EVAL-ADuM7223EBZ Evaluation Board

Analog Devices Inc. EVAL-ADuM7223EBZ Evaluation Board

Used to evaluate the the ADuM7223 4A, isolated precision half bridge driver.

Learn Moreover Analog Devices Inc. EVAL-ADuM7223EBZ Evaluation Board View ProductsGerelateerd aan Analog Devices Inc. EVAL-ADuM7223EBZ Evaluation Board

Additional Resources

Functional Block Diagram

Analog Devices Inc. ADuM7223 Isolated Precision Half-Bridge Driver
Gepubliceerd op: 2014-02-04 | Bijgewerkt op: 2022-03-11