Power Supply - Test Case

In order to proceed through the test case, first of all delete the Scopy *.ini file (saves previous settings made in Scopy tool) from the following path on Windows: C:\Users\your_username\AppData\Roaming\ADI .

Open the Power Supply instrument. The interface should look like the picture below:

Press multiple times on the “Enable” buttons to check if the instrument works.

Test Title

A. Independent Controls

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Description	Test Steps	Expected Results
Checking positive voltage output	1. Set Tracking ratio control to Independent Controls	The interface should look like in the “Step Resources” picture (left side).
Checking positive voltage output	2. Connect the power supply and voltmeter with the following pins: V+ power supply pin (red) to Scope Ch 1 (orange)
Setting values	3. Set the value to 3.3V and click enable.	The interface should look like in the “Step Resources” picture (left side).
Setting values	4. Monitor the power supply output with voltmeter.	The voltmeter should read values between 3.25V and 3.35V. Just like shown on the left.
Changing set values	5. Change the power supply output value to 1.8V.	The voltmeter should read values between 1.75V and 1.85V
	6. Change the power supply output value to 2.5V.	The voltmeter should read values between 2.45V and 2.55V
	7. Change the power supply output value to 5V.	The voltmeter should read values between 4.95V and 5.05V
Checking Increment/Decrement Value; ±1V	8. Set the knob to ±1V interval. No orange dot on the center.	The interface should look like in the “Step Resources picture (left side).
Checking Increment/Decrement Value; ±1V	9. Set value to 3V. Then use +/- sign to change value with ±1V interval.	The value should change accordingly. Set Value ± 1V = the new value
Checking Increment/Decrement Value; ±100mV	10. Set the knob to ±100mV interval. Orange dot seen on the center.	The interface should look like in the “Step Resources picture (left side).
Checking Increment/Decrement Value; ±100mV	11. Set value to 300mV. Then use +/- sign to change value with ±100mV interval.	The value should change accordingly. Set Value ± 100mV = the new value
Checking Negative Voltage Output	12. Change pin connections to the following: V- power supply pin (white) to Scope Ch 1 (orange).
Checking Negative Voltage Output	13 Repeat Steps 3 to 11. Set the values mentioned to negative in checking negative output.

B. Tracking

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Description	Test Steps	Expected Results
Checking output when in Tracking mode	1. Set Tracking ratio control to Tracking	The interface should look like in the “Step Resources” picture (left side).
Checking output when in Tracking mode	2. Connect the following pins: V+ power supply pin (red) to Scope Ch 1 (orange); V- power supply pin (while) to Scope Ch 2 (blue)
Setting tracking ratio	3. Set value of positive output to 5V. Set tracking ratio to 50%	The negative output value should be set automatically following the equation: V-= -(ratio*V+). For 50% tracking ratio, V-= -2.5V.
Setting tracking ratio	4. Monitor the power supply output with voltmeter.	The voltmeter should read the following values: V+ = 4.95V to 5.05V; V- = -2.55V to -2.45V
Changing tracking ratio	5. Set tracking ratio to 10%.	Negative output Value should be set to -500mV. The voltmeter should read the following values: V+ = 4.95V to 5.05V; V- = -505mV to -495mV
	6. Set tracking ratio to 25%..	Negative output Value should be set to -1.25V. The voltmeter should read the following values: V+ = 4.95V to 5.05V; V- = -1.30V to -1.20V
	7. Set tracking ratio to 66 %.	Negative output Value should be set to -3.3 V. The voltmeter should read the following values: V+ = 4.95V to 5.05V; V- = -3.35V to -3.25V
	8. Set tracking ratio to 100%.	Negative output Value should be set to -5V. The voltmeter should read the following values: V+ = 4.95V to 5.05V; V- = -5.05V to -4.95V