Advertisement
ISL28023EVAL1Z, ISL28023EVAL2Z
FIGURE 3. MAIN WINDOW OF THE ISL28023 GENERIC USER INTERFACE (GUI) CONNECTED TO THE ISL28023 GENERIC BOARD
DPM MEASUREMENT FUNCTIONALITY
Enabling the current functional block on the DPM interface
requires the user to enter a shunt resistor value. The entered
value is stored in the DPM calibration register and is used to
calculate the current or power depending on the enabled check
box.
Figure 4
illustrates the dialog box that requests the shunt
resistor value when current functionality is enabled.
FIGURE 4. DIALOG BOX THAT ALLOWS THE USER TO ENTER THE
SENSE RESISTOR VALUE INTO THE ISL28023 DEVICE
ADC TIMING AND INTERNAL AVERAGE CONTROLS
The ADC Timing is the acquisition time of the ADC for the
channel. The acquisition timing selection of a channel is located
to the right of the channel's measurement display in
The user can select ADC acquisition times ranging from 64µs to
2.05ms for each of the four channels shown in
The user adjusts the number of internal averages the ISL28023
makes before reporting out a value. The ISL28023 internal
averages can be programmed from a single measurement to
4096 measurements.
AN1932 Rev 3.00
February 1, 2016
LOOP DELAY
The loop delay field in the lower right corner of the GUI allows the
user to program a delay between measurements. When the
ISL28023 is programmed to fast acquisition times, the screen is
updating quickly such that the user cannot read the
measurements that is taken by the ISL28023. The loop delay
field inserts a time delay after each measurement. Allowing for a
time delay makes the measurements readable.
SINGLE MEASUREMENT CONTROL
Pressing the Meas Once button on the main panel will measure
each enabled individual channel once.
THRESHOLD AND AUXILIARY CONTROLS
Choose the Threshold selection under the ISL28023 drop down
menu that invokes the Auxiliary Control dialog box. The dialog
box allows the user to configure the threshold detectors of the
ISL28023 chip.
Figure
3.
Figure
3.
Figure 5
shows the Auxiliary Controls Dialog Box.
Page 3 of 20
Advertisement
