Datasheet

Maxim Integrated │ 10
MAX31790 Evaluation Kit Evaluates: MAX31790
www.maximintegrated.com
Table 1. Hardware Configurations
Table 2. Description of LEDs
HARDWARE ACTION COMPONENTS DESCRIPTION
Connect user-supplied
Fan1–Fan6
J100, J200, J300, J400,
J500, J600,
Connectauser-suppliedfantothecorrectGND,VFAN,TACH,and
PWM headers.
Connect user-supplied
Fan7–Fan12
J700, J800, J900, J1000,
J1100, J1200
Connectauser-suppliedfantothecorrectGND,VFAN,TACH,and
PWM headers.
Connect FULL_SPEED
and FAN_FAIL pins to
user-supplied interface
R9, R10
Remove resistors R9 and R10 and connect to the FULL_SPD and
FAN_FAIL test points.
Connect user-supplied
I
2
C interface
R7, R8
Remove resistors R7 and R8 and connect to user-supplied I
2
C
interface to test points.
Change startup
congurationjumpers
J2–J8 Adjust the jumper/shunt positions according to the silkscreen labels.
LED COLOR DESCRIPTION
D1l(FAULT) Red
USB Power Fault: A fault occurred due to overvoltage limit, current limit,
or thermal limit.
D2l (COM)
Red
Communication:
Afterthesoftwarehasinitializedthehardware,theLEDashes
red when a command from the PC is received.
Off Initialized: Hardware has been initialized by software.
Red and
FlashingOrange
Waiting: Hardware is powered on and waiting for the software to be opened.
D6 Red
FULL_SPEED:
LEDconnectedtotheactive-lowFULL_SPEEDinput.LEDturns
red when the FULL_SPEED signal is logic-low.
D7 Red
FAN_FAIL:
LEDconnectedtotheactive-lowopen-drainFAN_FAILoutput.LED
turns red when the FAN_FAIL signal is logic-low.