MAX6615AEE+ Maxim Integrated Products, MAX6615AEE+ Datasheet - Page 12

• Manufacturer Part Number: MAX6615AEE+
• Description: IC TEMP MONITOR DL-CH 16-QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX6615AEE+

• Function: Fan Control, Temp Monitor
• Topology: ADC, PWM Generator, Tach Counter
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual-Channel Temperature Monitors and
Fan-Speed Controllers with Thermistor Inputs
Table 3. Register Map
12
R/W ADD
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
______________________________________________________________________________________
0Ah
0Bh
0Ch
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
STATE
240 =
240 =
100%
100%
POR
0000
0000
0000
0000
0001
1000
0110
1110
0101
0000
0110
000x
0110
000x
1111
000x
1111
000x
0000
000x
0000
000x
00xx
00xx
96 =
96 =
xxxx
xxxx
40%
40%
C onfi g ur ati on
Temperature
Temperature
Temperature
Temperature
PWM1 target
PWM2 target
FUNCTION
PWM1 start
PWM2 start
PWM1 max
PWM2 max
duty cycle
duty cycle
duty cycle
duty cycle
duty cycle
duty cycle
channel 1
channel 2
channel 1
channel 2
OT status
OT mask
OT limit
OT limit
b yte
C hannel 1:
C hannel 1:
(128/240)
(128/240)
(128/240)
(128/240)
(128/240)
(128/240)
Standby:
standby
(128°C)
(128°C)
0 = run;
1 = faul t
m asked
MSB
MSB
MSB
MSB
MSB
MSB
MSB
MSB
MSB
MSB
1 =
1 =
D7
1 = reset
Channel
C hannel
masked
2: 1 =
2: 1 =
POR:
faul t
D6
—
—
—
—
—
—
—
—
—
—
enabled;
Timeout:
disabled
0 =
1 =
D5
—
—
—
—
—
—
—
—
—
—
—
—
Fan 1
invert
PWM
D4
—
—
—
—
—
—
—
—
—
—
—
—
Fan 2
invert
PWM
D3
—
—
—
—
—
—
—
—
—
—
—
—
cycle: 0 =
Min duty
fan-start
0%; 1 =
cycle
duty
D2
—
—
—
—
—
—
—
—
—
—
—
—
1 = local;
sources:
remote2
(2/240)
(2/240)
(2/240)
(2/240)
(2/240)
(2/240)
Temp
Ch2
LSB
LSB
LSB
LSB
LSB
LSB
0 =
D1
—
—
—
—
—
—
LSB (1°C)
LSB (1°C)
LSB (1°C)
LSB (1°C)
disable: 0
= enable;
Spin-up
disable
1 =
D0
—
—
—
—
—
—
—
—