MAX6884EVCMOD2 datasheet(8/12 Pages) MAXIM

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Evaluate: MAX6884/MAX6885

MAX6884 Evaluation System/

Evaluation Kit

LED Indicator Control

The outputs (RESET, UV/OV, and WDO) of the MAX6884

are connected to some general output circuitry. Jumpers

JU1, JU2, and JU3, respectively, connect the outputs to

either a pullup resistor attached to VLED or an LED indi-

cator. See Table 2 for jumper settings.

MARGIN Input

The MARGIN input of the MAX6884 allows system testing

when voltages are outside their normal ranges. JU5 con-

trols this feature. It is expected that during normal opera-

tion the MARGIN function will be disabled. See Table 3 for

jumper settings.

Evaluating the MAX6885

The MAX6884 EV kit is also capable of evaluating the

I2C-compatible MAX6885. To evaluate the MAX6885

replace the MAX6884 (U1) with a MAX6885ETP free

sample. Select the MAX6885 option from the

Device,

Part # control located in the Interface box on the

MAX6884 EV kit software.

Using an Alternative I2C Interface

The MAX6884 EV kit provides pads and pullup resistor

placeholders that allow an alternative I2C-compatible

interface to be used. Connect the interface through the

SCL, SDA, and GND pads. Install pullup resistors at posi-

tions R7 and R8 if required.

*Default configuration: JU1 (2-3), JU2 (2-3), JU3 (2-3).

*Default configuration: JU5 (not installed).

Table 2. Output Control Circuitry (JU1,

JU2, JU3)

Table 3. MARGIN Input (JU5)

SHUNT POSITION

DESCRIPTION

1-2

Output pulled up to VLED

2-3*

Output connected to LED indicator

SHUNT POSITION

DESCRIPTION

Not Installed*

Normal operation

Installed

RESET

, UV/OV, and WDO outputs

held constant

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