MAX16046EVKIT+ Maxim Integrated Products, MAX16046EVKIT+ Datasheet - Page 10

• 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

MAX16046 Evaluation Kit
The MAX16046 has six general-purpose input/output
pins that can be configured for a variety of purposes.
The center column containing the drop-down list boxes
control the configuration of each GPIO. Table 3 summa-
rizes the different options.
The column on the left, INPUT, displays the current
logic-high or logic-low state of each GPIO. A blue dot
represents a logic-high, and the absence of a blue dot
represents a logic-low. The OUTPUT column controls
the state of GPIOs configured as general-purpose out-
puts. Click the boxes to set or clear the state of GPIOs
configured as general-purpose outputs.
The Pull Down and PG Threshold settings are active
only for GPIOs configured as INS_ (in sense) inputs.
When the Pull Down checkbox is checked, the internal
100Ω pulldown is activated on that pin during power
down. The PG Threshold setting controls the power-
good threshold for closed-loop tracking. This deter-
mines what percentage of the input voltage the output
voltage must achieve before the channel is considered
powered up.
Table 3. GPIO Configuration Settings
10
Fault on Power-Up
Out. Port reg. OD
Out. Port reg. PP
Manual Reset
Any Fault OD
Margin Down
Any Fault PP
Logic Input
INS1–INS4
Fault 1 OD
Fault 2 OD
______________________________________________________________________________________
Margin Up
Fault 1 PP
Fault 2 PP
MarginB
NAME
WDO
WDI
AVAILABLE
ON GPIO
GPIO1–4
GPIO1–6
GPIO1–6
GPIO1–4
GPIO5
GPIO6
GPIO6
GPIO6
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO Configuration
Voltage tracking sense connections. These are used to sense the output side (MOSFET
source) of channels configured for closed-loop tracking.
General-purpose output (open-drain or push-pull). The output state is controlled by the
OUTPUT column.
General-purpose logic input. The logic state is shown in the INPUT column.
Fault output (open-drain or push-pull). Asserts low during any fault condition.
Configurable fault outputs (open-drain or push-pull). These are configured with the
FAULT Pin Dependencies control.
Power-up fault. Asserts if a tracking fault occurs during power up.
Margining control input. When pulled low externally, this disables threshold monitoring
so margining can be performed.
Margin-up and margin-down control inputs. When asserted low externally, these enable
the DAC outputs and load values from the Margin UP or Margin DN columns into the
DAC registers.
Manual reset input. When asserted low externally, this triggers a reset pulse on RESET.
Watchdog input. Input to the internal watchdog timer.
Watchdog output. Dedicated watchdog timer output.
GPIO5 and GPIO6 can be configured as Fault 1 and
Fault 2 outputs. Each output can be configured to
depend on overvoltage, undervoltage, or early warning
conditions on one or more input channels; when a
selected channel voltage exceeds the voltage of the
selected threshold, the output asserts. The outputs can
be configured as active high or active low. Click the
boxes under the appropriate row and column to enable
or disable each setting.
The early warning threshold can be configured as
undervoltage or overvoltage depending on the Early
Warning setting in the Setup tab.
RESET is a dedicated output that asserts when select-
ed MON inputs exceed selected thresholds. It can be
configured as open drain or push-pull as well as active
high and active low. A reset timeout can also be cho-
sen from the Timeout box. Thresholds that can be
monitored are:
•
•
•
•
Primary undervoltage only
Early warning only
Primary overvoltage only
Primary overvoltage and primary undervoltage at
the same time
DESCRIPTION
Fault 1, Fault 2, and RESET Outputs