System Management Microcontroller
Typical Operating Circuit
DS75
I2C TEMP SENSOR
3.3V
3.3V
TO HOST µP
GPIO/SPECIAL FUNCTIONS
VIN
MSDA
MSCL
MAX31782
VDD
VSS (3)
SDA
SCL
PWM.5
PWM.4
PWM.3
PWM.2
PWM.1
PWM.0
RST
REG18
TACH.5
TACH.4
TACH.3
TACH.2
TACH.1
TACH.0
REG25
AD5P
AD5N
AD4P
P6.4/TBA
P6.3/TDO
P6.2/TMS/TBB
P6.1/TDI
P6.0/TCK
AD4N
AD3P
AD3N
AD2P
AD2N
AD1P
AD1N
AD0P
AD0N
IN
OUT
POWER SUPPLY
TRIM
EN
PWM
FOR D/A;
OTHER
3.3V
TACH/TIMER
INPUTS OR GPIO
V4-WIRE FAN
PWM
TACH
REMOTE TEMPERATURE
SENSOR
ADDITIONAL ADC
CHANNELS FOR MONITORING
TO LOAD
Package Information
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the
package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the
package regardless of RoHS status.
PACKAGE TYPE
40 TQFN-EP
PACKAGE CODE
T4066+2
OUTLINE NO.
21-0141
LAND PATTERN NO.
90-0053
19