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Current stabilization (CC)
Current stabilization (CC)
D.E.V.I.C.E. is an encyclopedia of terms used by manufacturers of test and measurement equipment. T&M Atlantic created this service to better explain the functionality of instruments it offers, and to highlight the latest developments in the world of measurement equipment. We are using such tools as animation to bring words and pictures to life and to create not just an understanding but also an appreciation for technology that goes into the design of every instrument.
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If you are searching for a particular term or definition, please contact us and our engineers will be glad to explain it to you.
For DC power supply
In DC mode a power supply will produce current in accordance with the specified value regardless of the preset input voltage. If at some point the maximum current of the power supply under test exceeds the set current (the load resistance of the power supply will drop) the voltage of the power supply under test will drop.
Typically, for a mode indication there should be LED used with "CC" marking.
Improper setting of the clamping current ("cutoff" current) leads to the following: the minimum value or zero value, if the power supply is on and in the set CC mode, may create the impression that the power supply does not work, because it does not produce the necessary output voltage. It’s enough to increase the clamping current setting and the power supply starts operating correctly.
For electronic load
In DC mode there is current floating through the electronic load in accordance with the specified value regardless of the preset input voltage. If at some point the maximum current of the power supply under test exceeds the set current the voltage of the power supply under test will drop due to the resistance change of the electronic load to maintain the specified output current.
Visit our “Electronic Loads” section
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