MAX6650EUB+T Maxim Integrated Products, MAX6650EUB+T Datasheet - Page 7
![IC REG FAN SPEED 10-MSOP](/photos/6/57/65724/175-10-umax_sml.jpg)
MAX6650EUB+T
Manufacturer Part Number
MAX6650EUB+T
Description
IC REG FAN SPEED 10-MSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX6650EUBT.pdf
(25 pages)
Specifications of MAX6650EUB+T
Applications
Fan Controller, Brushless (BLDC)
Number Of Outputs
1
Voltage - Load
0.3 V ~ 5.2 V
Voltage - Supply
3 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Operating Supply Voltage
3 V to 5.5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
MAX6650EUB+T
MAX6650EUB+TTR
MAX6650EUB+TTR
Figure 2a. SMBus Protocol: Write Byte Format
Figure 2b. SMBus Protocol: Read Byte Format
Figure 2c. SMBus Protocol: Receive Byte Format
S = Start condition
P = Stop condition
S
S
S
S
Slave Address
Slave Address
Slave Address.
Repeated due to
change in data-flow
direction
Slave Address
ADDRESS
ADDRESS
ADDRESS
ADDRESS
7 bits
7 bits
7 bits
7 bits
_______________________________________________________________________________________
Shaded = Slave transmission
ACK = Acknowledged = 0
A = Not acknowledged = 1
with SMBus/I
WR
WR
RD
RD
0
0
1
1
Fan-Speed Regulators and Monitors
ACK
ACK
ACK
ACK
Data byte: Reads from
the register set by the
command byte.
Data byte: Reads data
from the register com-
manded by the last
read-byte or write-byte
transmission; also
used for SMBus alert
response return address.
Command byte: Selects
which register you are
writing to.
Command byte: Selects
which register you are
reading from.
COMMAND
COMMAND
WR = Write = 0
RD = Read =1
DATA
DATA
8 bits
8 bits
8 bits
8 bits
2
C-Compatible Interface
ACK
ACK
A
A
Data byte: Data goes into
the register set by the
command byte (to set
thresholds, configuration
masks, and sampling rate).
P
P
DATA
8 bits
ACK
P
7