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[FAQ] What precision amplifiers are right for Power Delivery?

Jacob Fattakhov
Prodigy 255 points
Other Parts Discussed in Thread: OPA392, OPA391, OPA328



How do Precision Amplifiers fit into my Power Delivery design?





Overview Presentation:

  1. Precision Amplifiers in Power Delivery - Slide Deck
    1. Featuring designs for Server PSU, Current Sensing, Voltage Conditioning/Buffering, and more


Hero Products:

  1. OPA392 - Product Folder
    1.  Precision, low voltage, e-trimTm op amp with fast settling time, ultra-low offset voltage, and ultra-low bias current

  2. OPA391 - Product Folder
    1. Precision, low voltage,  e-trimTm op amp with ultra-low IQ, low offset voltage, and rail-to-rail input/output

  3. OPA328 - Product Folder
    1. Precision, low voltage, e-trimTm op amp with fast settling time, low voltage noise, and wide bandwidth to 40MHz


Technical Documents:

  1. ±100-A Bus Bar Current Sensor using Open-Loop Fluxgate Sensors Reference Design - Reference Design

  2. Analog Engineer’s Circuit Cookbook: Amps - eBook

  3. 2kW, 48V to 400V, >93% Efficiency, Isolated Bidirectional DC-DC Converter Reference Design for UPS - Reference Design