参数资料
型号: MAX6639ATE+T
厂商: Maxim Integrated
文件页数: 11/22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
READ/
WRITE
R
R
REGISTER
NO.
ADDRESS
00h
01h
POR
STATE
0000
0000
0000
0000
FUNCTION
Temperature
channel 1
Temperature
channel 2
D7
MSB
(+128°C)
MSB
(+128°C)
D6
D5
D4
D3
D2
D1
D0
LSB
(1°C)
LSB
(1°C)
R
R/W
02h
03h
0000
0000
0000
0011
Status byte
Output mask
Channel 1 Channel 2 Channel 1 Channel 2 Channel 1 Channel 2
ALERT ALERT OT OT THERM THERM
Channel 1 Channel 2 Channel 1 Channel 2 Channel 1 Channel 2
ALERT ALERT OT OT THERM THERM
Fan 1 fault
Fan 1 fault
Fan 2
fault
Fan 2
fault
SMBus
Temp
R/W
04h
0011
0000
Global
configuration
Run
0 = run,
1= stby
POR:
1 = reset
timeout:
0=
enabled,
1=
channel 2 PWM
source: output
1 = local, frequency
0 = remote range
Reserved Reserved Reserved
disabled
2
R
R
05h
06h
0000
0000
0000
0000
Channel 1
extended
temperature
Channel 2
extended
temperature
MSB
(0.5°C)
MSB
(0.5°C)
LSB
(0.125°C)
LSB
(0.125°C)
Reserved Reserved Reserved Reserved
Reserved Reserved Reserved Reserved
Diode
fault
Diode
fault
R/W
R/W
R/W
R/W
R/W
R/W
08h
09h
0Ah
0Bh
0Ch
0Dh
0101
0101
0101
0101
0110
1110
0110
1110
0101
0101
0101
0101
Channel 1
ALERT limit
Channel 2
ALERT limit
Channel 1 OT
limit
Channel 2 OT
limit
Channel 1
THERM limit
Channel 2
THERM limit
MSB
MSB
MSB
MSB
MSB
MSB
LSB
(1°C)
LSB
(1°C)
LSB
(1°C)
LSB
(1°C)
LSB
(1°C)
LSB
(1°C)
R/W
10h
1000
0010
Fan 1
configuration
1
PWM
mode
Rate of
change
(MSB)
Rate of
change
Rate of
change
(LSB)
Fan 1 Fan 1
channel 1 channel 2
control control
RPM
range
select
RPM
range
select
Minimum
R/W
11h
0000
0000
Fan 1
Configuration
2a
RPM step-
size A
(MSB)
RPM step- RPM step-
size A size A
RPM step-
size A
(LSB)
Temp Temp
step-size step-size
A (MSB) A (LSB)
PWM
Polarity
fan
speed:
0 = 0%,
1= value
Maxim Integrated
11
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