Programming the Input
• Constant Power Operation Mode (CP)
Under CP mode, the electronic load will consume a constant power. If input
voltage rises, the input current decreases and power P (= V * I) will maintain
at setting power. As shown in the following figure.
When the UUT is a battery, the electronic load changes to simulate device
loading behavior. Many battery discharge applications and power
consumption profiles can be simulated for analysis, making the CP mode
the best choice for simulating electronic device loads.
4.3 Complex Operation Mode
Complex operating modes include CV+CC, CV+CR, CR+CC and CC+CV+CP
+CR modes, which can satisfy a wide range of test requirements.
• The CC+CR mode is commonly used in the testing of voltage limiting,
current limiting characteristics, constant voltage accuracy, and constant
current accuracy of car chargers, which prevents over-current protection of
car chargers.
• The CV+CR mode can be applied to the LED simulation and test the LED
power supply to get the LED current ripple parameters.
Copyright © Itech Electronic Co., Ltd.
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