Datasheet
PMBus 5-Channel Power-Supply Manager
and Intelligent Fan Controller
MAX34441
52
Package Information
For the latest package outline information and land patterns (footprints), 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.
Typical Operating Circuit
PSEN0
MSDA
MSCL
+3.3V
V
DD
V
SS
SDA
SCL
5 CHANNELS
UP TO 4
CHANNELS
PWM0
RS-0
RS+0
PSEN1
PWM1
RS-1
RS+1
PSEN2
PWM2
RS-2
RS+2
PSEN3
PWM3
RS-3
RS+3
PSEN4
PWM4
RS-4
RS+4
RS+5
RS-5
PWM5
TACH5
OUTININPUT VOLTAGE
TRIM
POWER
SUPPLY
OPTIONAL
SUPPORT
FOR CURRENT
MONITORING
EN
LOAD
FROM
MUXSEL
CURRENT-SENSE
AMPLIFIER
SPDT
MUX
REMOTE
TEMPERATURE
DIODE
RST
ALERT
FAULT
A0/MUXSEL
HOST
INTERFACE
I
2
C TEMP
SENSOR
A1/PG/TACHSEL
REG25
REG18
MAX34441
DS75LV
MAX9938
SPDT
MUX
FROM
TACHSEL
OPTIONAL
SUPPORT FOR
DUAL FANS
PACKAGE TYPE PACKAGE CODE OUTLINE NO. LAND PATTERN NO.
40 TQFN-EP T4066+2
21-0141 90-0053