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DAC1282: Designing Programmable Power supply

DGR
Prodigy 70 points
Part Number: DAC1282
Other Parts Discussed in Thread: OPA541, OPA549

Tool/software:

Hello All,

              I need to design a programmable voltage source using DAC1282 with at least 30v at 5 amp with programmable range of current and voltage, I would like to get inputs from the community on this topic.

  • 0
    TI__Mastermind 41573 points

    Hi DGR, 

    To get 30V and 5A, you'd need a high voltage gain stage and high output current stage. You could look at an integrated option such as the OPA549 or OPA541. 

    The OPA549 shows an example for setting the output current limit with an external DAC:

    Best,

    Katlynne Jones