參數(shù)資料
型號(hào)： ADT7463
廠商： Analog Devices, Inc.
英文描述： dB COOL Remote Thermal Controller and Voltage Monitor
中文描述： 分貝超酷的遠(yuǎn)程熱控制器和電壓監(jiān)視器
文件頁(yè)數(shù)： 19/53頁(yè)
文件大小： 719K
代理商： ADT7463
REV. 0
ADT7463
–19–
INT
LOW LIMIT
TEMP =
LOW LIMIT
Figure 18. Temperature = Low Limit:
INT
Occurs
NO
INT
HIGH LIMIT
TEMP =
HIGH LIMIT
21.00C
Figure 19. Temperature = High Limit: No
INT
HIGH LIMIT
INT
TEMP >
HIGH LIMIT
Figure 20. Temperature > High Limit:
INT
Occurs
Analog Monitoring Cycle Time
The analog monitoring cycle begins when a 1 is written to the
Start bit (Bit 0) of Configuration Register 1 (Reg. 0x40). The
ADC measures each analog input in turn and as each measure-
ment is completed, the result is automatically stored in the
appropriate value register. This round-robin monitoring cycle
continues unless disabled by writing a 0 to Bit 0 of Configura-
tion Register 1.
As the ADC will normally be left to free-run in this manner, the
time taken to monitor all the analog inputs will normally not be
of interest, as the most recently measured value of any input can
be read out at any time.
For applications where the monitoring cycle time is important,
it can easily be calculated.
The total number of channels measured is:
Four dedicated supply voltage inputs
3.3 V
STBY
or +5 V supply (V
CC
pin)
Local temperature
Two remote temperatures
As mentioned previously, the ADC performs round-robin con-
versions and takes 11.38 ms for each voltage measurement,
12 ms for a local temperature reading, and 25.5 ms for each
remote temperature reading.
The total monitoring cycle time for averaged voltage and tem-
perature monitoring is therefore nominally:
(5 11.38) + 12 + (2 25.5) = 120 ms
Fan TACH measurements are made in parallel and are n ot
synchronized with the analog measurements in any way.
Status Registers
The results of limit comparisons are stored in Status Registers 1
and 2. The Status Register bit for each channel reflects the
status of the last measurement and limit comparison on that
channel. If a measurement is within limits, the corresponding
status register bit will be cleared to 0. If the measurement is out-
of-limits, the corresponding status register bit will be set to 1.
The state of the various measurement channels may be polled
by reading the Status Registers over the serial bus. In Bit 7
(OOL) of Status Register 1 (Reg. 0x41), 1 means that an out-
of-limit event has been flagged in Status Register 2. This means
that you need only read Status Register 2 when this bit is set.
Alternatively, Pin 10 or Pin 22 can be configured as an
SMBALERT
output. This will automatically notify the system
supervisor of an out-of-limit condition. Reading the Status
registers clears the appropriate status bit as long as the error
condition that caused the interrupt has cleared. Status Register
bits are “sticky.” Whenever a Status bit gets set, indicating an
out-of-limit condition, it will remain set even if the event that
caused it has gone away (until read). The only way to clear the
status bit is to read the Status Register after the event has gone
away. Interrupt Status Mask Registers (Reg. 0x74, 0x75) allow
individual interrupt sources to be masked from causing an
SMBALERT
. However, if one of these masked interrupt
sources goes out-of-limit, its associated status bit will get set in
the Interrupt Status Registers.
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ADT7463ARQ 功能描述:IC REMOTE THERMAL CTRLR 24-QSOP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 熱管理 系列:dBCool® 標(biāo)準(zhǔn)包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類(lèi)型:內(nèi)部和外部 感應(yīng)溫度:-40°C ~ 125°C，外部傳感器 精確度:±2.5°C 本地（最大值），±5°C 遠(yuǎn)程（最大值） 拓?fù)?ADC，比較器，寄存器庫(kù) 輸出類(lèi)型:2 線 SMBus? 輸出警報(bào):無(wú) 輸出風(fēng)扇:無(wú) 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-8 供應(yīng)商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱(chēng):296-22675-6
ADT7463ARQ-REEL 功能描述:IC SENSOR TEMP FAN-CTRL 24QSOP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 熱管理 系列:dBCool® 標(biāo)準(zhǔn)包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類(lèi)型:內(nèi)部和外部 感應(yīng)溫度:-40°C ~ 125°C，外部傳感器 精確度:±2.5°C 本地（最大值），±5°C 遠(yuǎn)程（最大值） 拓?fù)?ADC，比較器，寄存器庫(kù) 輸出類(lèi)型:2 線 SMBus? 輸出警報(bào):無(wú) 輸出風(fēng)扇:無(wú) 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-8 供應(yīng)商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱(chēng):296-22675-6
ADT7463ARQ-REEL7 功能描述:IC SENSOR TEMP FAN-CTRL 24QSOP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 熱管理 系列:dBCool® 標(biāo)準(zhǔn)包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類(lèi)型:內(nèi)部和外部 感應(yīng)溫度:-40°C ~ 125°C，外部傳感器 精確度:±2.5°C 本地（最大值），±5°C 遠(yuǎn)程（最大值） 拓?fù)?ADC，比較器，寄存器庫(kù) 輸出類(lèi)型:2 線 SMBus? 輸出警報(bào):無(wú) 輸出風(fēng)扇:無(wú) 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-8 供應(yīng)商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱(chēng):296-22675-6
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ADT7463ARQZ-R7 功能描述:板上安裝溫度傳感器 SYS MGMT CNTRLR IC RoHS:否 制造商:Omron Electronics 輸出類(lèi)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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