参数资料
型号: MAX6639ATE+T
厂商: Maxim Integrated
文件页数: 12/22页
文件大小: 0K
描述: IC TEMP MONITOR 2CH 16-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 风扇控制,温度监控器
传感器类型: 内部和外部
感应温度: 0°C ~ 150°C,外部传感器
精确度: ±2°C 本地(最大),±1°C 远程(最大)
拓扑: ADC,PWM 发生器,转速计计数器
输出类型: I²C?/SMBus?
输出警报:
输出风扇:
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘
供应商设备封装: 16-TQFN-EP(5x5)
包装: 带卷 (TR)
MAX6639/MAX6639F
2-Channel Temperature Monitor with Dual,
Automatic, PWM Fan-Speed Controller
Table 4. Register Map (continued)
READ/
WRITE
REGISTER
NO.
ADDRESS
POR
STATE
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
R/W
12h
0000
0000
Fan 1
configuration
2b
RPM step-
size B
(MSB)
RPM step- RPM step-
size B size B
RPM Start Start
step-size step-size step-size
B (LSB) B (MSB) B
Start step-
size B
Start step-
size B (LSB)
R/W
13h
0100
0001
Fan 1
configuration
3
Spin-up
disable
THERM to Pulse Fan PWM
full-speed stretching Reserved Reserved Reserved frequency
enable disable (MSB)
Fan PWM
frequency
(LSB)
R/W
14h
1000
0010
Fan 2
configuration
1
PWM
mode
Step-size
delay
(MSB)
Step-size
delay
Step-size
delay
(LSB)
Fan 2 Fan 2
channel 1 channel 2
control control
RPM
range
select
RPM range
select
R/W
R/W
15h
16h
0000
0000
0000
0000
Fan 2
configuration
2a
Fan 2
configuration
2b
RPM step-
size A
(MSB)
RPM step-
size B
(MSB)
RPM step- RPM step-
size A size A
RPM step- RPM step-
size B size B
RPM Temp Temp
step-size step-size step-size
A (LSB) A (MSB) A (LSB)
RPM Start Start
step-size step-size step-size
B (LSB) B (MSB) B
PWM
100%
duty
cycle
Start step-
size B
Minimum fan
speed:
0 = 0%, 1=
value in 22h
Start step-
size B (LSB)
R/W
17h
0100
0001
Fan 2
configuration
3
Spin-up
disable
THERM to Pulse Fan PWM
full-speed stretching Reserved Reserved Reserved frequency
enable disable (MSB)
Fan PWM
frequency
(LSB)
R
R
20h
21h
1111
1111
1111
1111
Fan 1
tachometer
count
Fan 2
tachometer
count
MSB
MSB
LSB
LSB
Fan 1 start
R/W
22h
1111
1111
tach count/
target tach
MSB
LSB
count
Fan 2 max
R/W
23h
1111
1111
tach count/
target tach
MSB
LSB
count
Pulses per
R/W
24h
0100
0000
revolution/
fan 1
minimum
Pulse per Pulse per Fan 1 min Fan 1 min Fan 1 min Fan 1 min Fan 1 min
revolution revolution tach count tach tach tach tach
(MSB) (LSB) (MSB) count count count count
Fan 1 min
tach count
(LSB)
tach count
Pulses per
R/W
25h
0100
0000
revolution/
fan 2
minimum
Pulse per Pulse per Fan 2 min Fan 2 min Fan 2 min Fan 2 min Fan 2 min
revolution revolution tach count tach tach tach tach
(MSB) (LSB) (MSB) count count count count
Fan 2 min
tach count
(LSB)
tach count
R
26h
0000 Fan 1 current
0000 duty cycle
MSB
LSB
12
Maxim Integrated
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