MAX31785 MAXIM [Maxim Integrated Products], MAX31785 Datasheet - Page 47

• Manufacturer Part Number: MAX31785
• Description: 6-Channel Intelligent Fan Controller
• Manufacturer: MAXIM [Maxim Integrated Products]

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.
INTERFACE
PACKAGE TYPE
40 TQFN-EP
HOST
I
DS75LV
2
SENSOR
+3.3V
C TEMP
6-Channel Intelligent Fan Controller
CHANNELS
UP TO 4
PACKAGE CODE
MSDA
MSCL
V
V
SDA
SCL
RST
ALERT
FAULT
A0
CONTROL
A1/TACHSEL
REG18
REG25
T4066+2
DD
SS
MAX31785
TACH0
TACH1
TACH2
TACH3
TACH4
TACH5
PWM0
PWM1
PWM2
PWM3
PWM4
PWM5
RS+0
RS+1
RS+2
RS+3
RS+4
RS+5
RS-0
RS-1
RS-2
RS-3
RS-4
RS-5
6 CHANNELS
OUTLINE NO.
21-0141
Typical Operating Circuit
Package Information
REMOTE
TEMPERATURE
DIODE
VOLTAGE
REMOTE
SPDT
MUX
LAND PATTERN NO.
OPTIONAL
SUPPORT FOR
TWO FANS
EACH CHANNEL
CAN READ A REMOTE
TEMPERATURE DIODE
OR A REMOTE VOLTAGE
FROM
TACHSEL
90-0053
47