MAX16031 Evaluation Kit
Each IN_ input can be connected to the on-board
MAX5306 DAC using switch bank S1. This allows the
voltage at the IN_ input to be manually controlled through
the EV kit software. Click the link next to DAC Voltage to
set the voltage of the DAC in the 0 to 2.5V range. The
DAC voltage can also be changed by dragging the dot-
ted green line, shown in the chart-recorder view.
To set the primary or secondary overvoltage or under-
voltage thresholds for a particular channel, click the
appropriate underlined number next to that parameter.
The primary thresholds can also be modified by drag-
ging the dotted red lines in the chart-recorder view. The
secondary thresholds can be changed the same way;
both appear as dotted yellow lines.
Two fault flag indicators are associated with each chan-
nel. The upper one corresponds to the primary fault
thresholds; the lower one corresponds with the sec-
ondary fault thresholds. If an undervoltage or overvolt-
age fault occurs, one or both these indicators will turn
red and remain so even after the original fault condition
is removed. To clear a fault indicator, click the indicator
and select Clear Fault or Clear All Faults on the menu
that appears.
Each chart-recorder view shows the voltage on the cor-
responding IN_ input with a solid green line. To zoom in
and zoom out, click the magnifying glass icons in the
Figure 3. Settings Dialog
The Settings dialog (Figure 3) can set the IN input-volt-
age range to one of three settings: 1.4V, 2.8V, and
5.6V. To enable channel monitoring, make sure the
Enable Fault Detection checkbox is selected. The
Disable Interrupts and Outputs for group box allows
faults on the primary or secondary thresholds to be
“masked, ” which prevents them from triggering an
SMBus? interrupt or asserting a fault output. The Save
State to EEPROM on group box selects which type of
fault can trigger a nonvolatile fault save operation.
SMBus is a trademark of Intel Corp.
upper right of the chart-recorder view. Another way to
zoom in and out is to click and “drag” a selection rec-
tangle. Drag from upper left to lower right to zoom in,
and from lower right to upper left to zoom out.
Two IN inputs can be paired to form a combined differ-
ential input. Click any of the Single Ended links in the
center of the window to pair two inputs together, or to
separate two paired inputs.
4
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