MAX16046EVKIT+ Maxim Integrated Products, MAX16046EVKIT+ Datasheet - Page 11

• Manufacturer Part Number: MAX16046EVKIT+
• Description: IC EE-PROG SYS MGR 12CH 56-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX16046EVKIT+

• Main Purpose: Power Management, Power Supply Supervisor/Tracker/Sequencer
• Utilized Ic / Part: MAX16046, MAX16048
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

The preferred method for configuring the margining
DACs is through the Setup tab, but the DAC outputs
can also be configured from the Advanced tab. Click
the Enabled checkbox to turn a DAC on or off. For a
DAC output to turn on, both the Enabled checkbox
must be checked and the Range selection must be one
of 0.4V to 0.8V, 0.6V to 1.2V, or 0.8V to 1.6V.
To set the DAC output voltage, enter a decimal number
from 0 to 255 in the Output Code box. The new value will
be written to the appropriate register and the DAC output
will update immediately. The Margin UP and Margin DN
boxes contain the decimal codes placed at all DAC out-
puts when the margin-up or margin-down inputs are
asserted (see the GPIO Configuration section).
Any modifications to the DAC settings are not propa-
gated back to the Setup tab, and are lost when the
Write To Registers button on the Setup tab is clicked.
The internal watchdog timer can be configured in this
box. Check the Enable checkbox to turn on the watch-
dog timer. Click the blue link next to Timeout to change
the watchdog timeout period.
If the watchdog timeout period needs to be extended
during initial startup to allow for an external micro-
processor to complete a boot-up sequence, check the
Startup Timer checkbox and specify the startup time-
out with the blue link next to Startup.
Normally, the watchdog timer asserts WDO (if GPIO6 is
configured appropriately), but if desired, the watchdog
______________________________________________________________________________________
Watchdog Timer Configuration
DAC Configuration
MAX16046 Evaluation Kit
timer can also assert RESET. Check the Reset Output
checkbox to enable this behavior.
If Mode is set to Dependent, the watchdog timer turns
on after power sequencing is complete and RESET
deasserts. If Mode is set to Independent, the watch-
dog timer turns on immediately and remains on regard-
less of the power sequencing state.
The Fault Up Timer controls the period of time allowed
for a power supply to fall within its power-good thresh-
olds from when it is turned on. Conversely, the Fault
Down Timer setting controls the period allowed for a
power-supply rail to turn off.
During a fault condition, the MAX16046 can either shut
off or try to sequence again, depending on the Fault
Behavior setting. Select Latch-Off to have the
MAX16046 shut down and not attempt to restart power
sequencing. Select Auto-Retry and select a delay peri-
od to have the MAX16046 attempt sequencing again
after the delay occurs.
When a monitored voltage falls outside one of the pro-
grammable thresholds, the MAX16046’s internal ADC
will repeat several conversions on the same channel.
To trigger a fault condition, the voltage must remain
outside the threshold for a certain number of conver-
sions. This number is controlled by the Deglitch Cycle
setting. Allowable options are: 2, 4, 8, and 16 cycles.
The Slew Rate setting controls the tracking slew rate
for channels configured in closed-loop tracking mode.
Miscellaneous Timers
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