參數(shù)資料
型號： MAX6663AEE
廠商： Maxim Integrated Products, Inc.
元件分類： 溫度傳感器
英文描述： RF CONNECTOR; 50 OHM REVERSE POLARITY BNC MALE RIGHT ANGLE, CLAMP ATTACHMENT FOR RG178 & RG196; *MEETS FCC PART 15.203 REQUIREMENTS*
中文描述： 溫度監(jiān)視器和PWM風(fēng)扇控制器
文件頁數(shù)： 9/24頁
文件大小： 297K
代理商： MAX6663AEE
M
Temperature Monitors and
PWM Fan Controllers
_______________________________________________________________________________________
9
Temperature Comparison
and Interrupt System
At the end of each conversion cycle, the converted
temperature data are compared to various set-point
thresholds to control the
INT
,
THERM
,
SDL
, and
SDR
outputs. All temperature threshold limits are stored in
the threshold limit registers (Table 6) and can be
changed through the SMBus digital interface.
THERM
is an active-low thermal-overload output indicat-
ing that the THERM overtemperature set point is exceed-
ed. With the
THERM
threshold set to an appropriate value,
the
THERM
output can be used to control clock throttling.
When this pin is pulled low by an external signal, a status
bit (bit 7, status register 2) is set, and the fan speed is
unconditionally forced to full-on speed. The only way to
reset the status bit is to read status register 2. Connect a
10k
pullup resistor between
THERM
and V
CC
.
Table 4. Temperature Data Low Byte Format Structure: LLLXXRRR
*
Table 5. Temperature Conversion Rate Setting (Fan Filter Register (23h)
—
POR = 111)
FRACTIONAL TEMPERATURE (
°
C)
0.000
0.125
0.25
0.375
0.5
0.625
0.75
0.875
DIGITAL OUTPUT (LOCAL)
000X XXXX
001X XXXX
010X XXXX
011X XXXX
100X XXXX
101X XXXX
110X XXXX
111X XXXX
DIGITAL OUTPUT (REMOTE)
XXX XX 000
XXX XX 001
XXX XX 010
XXX XX 011
XXX XX 100
XXX XX 101
XXX XX 110
XXX XX 111
BIT 4
0
0
0
0
1
1
1
1
BIT 3
0
0
1
1
0
0
1
1
BIT2
0
1
0
1
0
1
0
1
CONVERSION RATE (Hz)
0.0625
0.125
0.25
0.5
1
2
4
4
CONVERSION TIME (s)
16
8
4
2
1
0.5
0.25
0.25
*Where: LLL = local fractional temperature bits, XX = don
’
t care, RRR = remote fractional temperature bits.
NAME
LTH
LTL
LTHER
RTH
RTL
RTHER
ADDRESS
14h
15h
16h
18h
19h
1Ah
R/W
R/W
R/W
R/W
R/W
R/W
R/W
MAX6653 POR VALUE
Set by CRIT0 and CRIT1
Set by CRIT0 and CRIT1
Set by CRIT0 and CRIT1
Set by CRIT0 and CRIT1
Set by CRIT0 and CRIT1
Set by CRIT0 and CRIT1
MAX6663/MAX6664 POR STATE
0011 1100
0000 0000
0100 0110
0101 0000
0000 0000
0110 0100
DESCRIPTION
Local temp high limit
Local temp low limit
Local temp THERM limit
Remote temp high limit
Remote temp low limit
Remote temp THERM limit
LTSD
1Bh
R/W
Set by CRIT0 and CRIT1
N/A
Local temp shutdown limit
(MAX6653 only)
RTSD
1Ch
R/W
Set by CRIT0 and CRIT1
N/A
Remote temp shutdown limit
(MAX6653 only)
Table 6. Threshold Limit Registers
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6663AEE+ 功能描述:板上安裝溫度傳感器 Temperature Monitor & PWM Fan Controller RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6663AEE+T 功能描述:板上安裝溫度傳感器 Temperature Monitor & PWM Fan Controller RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6663AEE-T 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6664AEE 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6664AEE+ 功能描述:板上安裝溫度傳感器 Temperature Monitor & PWM Fan Controller RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
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