- 20V maximum voltage
- 5A maximum current
- 100W maximum power
- 0.03% basic voltage output accuracy and 0.05% basic current accuracy provide quality test data
- High output and measurement resolution, 1mV and 0.1mA, for testing low power circuits and devices
- Remote sensing to ensure the programmed voltage is applied to the load
- Dual-line display shows both the programmed values and actual outputs for a continuous indication of the status of the power delivered to the load
- Repeatable test sequences of up to 80 output steps are easy to create with the built-in List mode
- GPIB and USB interfaces are standard for convenient automated control
The Keithley 2200-20-5 20V/5A Programmable DC Power Supply offers an excellent combination of performance, versatility; it performs as effectively in automated test systems as it does in manual instrument configurations.
With 1mV and 0.1mA resolution, the effects of very small changes in voltage and current can be detected and studied. For portable devices in which minimum power consumption is critical, the 0.1mA current resolution allows you to measure the idle and sleep mode currents so you can verify that your products meet aggressive low power consumption goals.
With basic voltage setting accuracy of 0.03% and basic voltage readback accuracy of 0.02%, you can be sure that the voltage you program for the load is applied at the output terminals. What's more, the rear panel connections include remote sense terminals that compensate for voltage drops in the power supply leads. This helps to ensure that the correct voltage is delivered to the load terminals of the device-under-test (DUT). Great accuracy is not limited to voltagethe basic current setting and readback accuracy is 0.05%, providing you with high quality load current measurements. Also, with less than 5mVp-p noise, you can be confident that the power applied to the DUT's load terminals is both accurate and of high quality.
Get Test Results Quickly
The dual-line display shows both the programmed settings and the actual voltage and current outputs, allowing you to immediately see, understand, and address any differences between the expected and actual output values. Multiple methods can be used to adjust the voltage and current settings. You can use the direct-entry numeric keypad to set precise voltage and current values. There is also a rotary knob with adjustable step size that lets you easily study the response of your DUT to small or large changes in voltage or current.
Need to repeat a set of tests often? Instead of programming a number of parameters for each test every time you run the test, just use a few keystrokes to save a test setup once and then recall it whenever you need it. Take advantage of 40 memory locations to save up to 40 set ups or use the 2200-20-5 List Mode to define custom test sequences of up to 80 steps. This makes it easy to perform tests such as analyzing how your circuit- or device-under-test performs at each voltage level within a range of voltages. A saved test can be run manually using front panel key strokes, automatically using external trigger signals, or remotely using programmable interface commands.
Protects Your DUT at All Times
A number of features are built into the 2200-20-5 to ensure that your DUT is protected from damage. A maximum voltage can be set so that regardless of the voltage value requested, the output will not exceed the programmed limit value. For further voltage magnitude protection, an Over Voltage protection level can be programmed that will cause the output to drop below 1V if the Over Voltage limit is reached. These protections are in addition to the Current Limit setting, which restricts the amount of current that can flow into the DUT. If the Current Limit is reached, the 2200-20-5 converts from constant voltage to constant current operation in which the current is controlled at the Current Limit setting and the voltage varies based on the load resistance.
In addition to the limit settings, you can set a timer to turn off the output after a specified time interval, allowing you to setup a test on your bench and let it to run unattended knowing that power will automatically be removed from the DUT after the programmed time has elapsed.
Ensures that Test Parameters are Not Accidentally Changed
Prevent accidental changes to settings to avoid collecting incorrect test data and wasting time repeating tests by taking advantage of the Series 2200-20-5's front panel lock-out functions. You can disable the front panel knob or disable all the front panel data entry controls. When all of the front panel data entry keys are disabled, the 2200-20-5 prompts you for a password, in order to re-activate the keys.
Select a Convenient Interface
The Series 2200 DC power supplies can be an integral part of your automated test system. You have the option to control each power supply over a GPIB interface or a USB interface. The USB interface is test and measurement class (TMC) compliant so you can use the standard SCPI command syntax. Standard drivers are included with the 2200-20-5 to simplify interfacing them into an automated test environment.
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