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| 型號(hào)： | ADT7473ARQZ-1REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 2.50Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | ROHS COMPLIANT, MO-137AB, QSOP-16 |
| 文件頁(yè)數(shù)： | 54/72頁(yè) |
| 文件大?。?/td> | 1494K |
| 代理商： | ADT7473ARQZ-1REEL |
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ADT7473/ADT7473-1
Rev. C | Page 58 of 72
Table 25. Operating Point Registers (Power-On Default = 0xA4)1, ,
Register Address
R/W3
Description
0x33
R/W
Remote 1 operating point register (default = 100°C).
0x34
R/W
Local temperature operating point register (default = 100°C).
0x35
R/W
Remote 2 operating point register (default = 100°C).
1 These registers set the target operating point for each temperature channel when the dynamic TMIN control feature is enabled.
2 The fans being controlled are adjusted to maintain temperature about an operating point.
3 These registers become read-only when the Configuration Register 1 lock bit is set to 1. Any subsequent attempts to write to these registers fail.
Bit
Name
R/W
Description
[0]
CYR2
R/W
MSB of 3-bit remote 2 cycle value. The other two bits of the code reside in Dynamic TMIN Control Register 2
(Reg. 0x37). These three bits define the delay time between making subsequent TMIN adjustments in the control loop,
in terms of the number of monitoring cycles. The system has associated thermal time constants that need to be
found to optimize the response of fans and the control loop.
[1]
VCCPLO
R/W
VCCPLO = 1. When the power is supplied from 3.3 V STANDBY and the core voltage (VCCP) drops below its VCCP low limit
value (Register 0x46), the following occurs:
Status Bit 1 in Interrupt Status Register 1 is set.
SMBALERT is generated, if enabled.
PROCHOT monitoring is disabled.
Dynamic TMIN control is disabled.
The device is prevented from entering shutdown.
Everything is re-enabled once VCCP increases above the VCCP low limit.
[2]
PHTR1
R/W
PHTR1 = 1 copies the Remote 1 current temperature to the Remote 1 operating point register if THERM is asserted.
The operating point contains the temperature at which THERM is asserted, allowing the system to run as quietly as
possible without affecting system performance.
PHTR1 = 0 ignores any THERM assertions on the THERM pin. The Remote 1 operating point register reflects its
programmed value.
[3]
PHTL
R/W
PHTL = 1 copies the local channel’s current temperature to the local operating point register if THERM is asserted. The
operating point contains the temperature at which THERM is asserted. This allows the system to run as quietly as
possible without affecting system performance.
PHTL = 0 ignores any THERM assertions on the THERM pin. The local temperature operating point register reflects its
programmed value.
[4]
PHTR2
R/W
PHTR2 = 1 copies the Remote 2 current temperature to the Remote 2 operating point register if THERM is asserted.
The operating point contains the temperature at which THERM is asserted, allowing the system to run as quietly as
possible without affecting system performance.
PHTR2 = 0 ignores any THERM assertions on the THERM pin. The Remote 2 operating point register reflects its
programmed value.
[5]
R1T
R/W
R1T = 1 enables dynamic TMIN control on the Remote 1 temperature channel. The chosen TMIN value is dynamically
adjusted based on the current temperature, operating point, and high and low limits for this zone.
R1T = 0 disables dynamic TMIN control. The TMIN value chosen is not adjusted, and the channel behaves as described in
the Fan Speed Control section.
[6]
LT
R/W
LT=1 enables dynamic TMIN control on the local temperature channel. The chosen TMIN value is dynamically adjusted
based on the current temperature, operating point, and high and low limits for this zone.
LT = 0 disables dynamic TMIN control. The TMIN value chosen is not adjusted, and the channel behaves as described in
the Fan Speed Control section.
[7]
R2T
R/W
R2T = 1 enables dynamic TMIN control on the Remote 2 temperature channel. The chosen TMIN value is dynamically
adjusted based on the current temperature, operating point, and high and low limits for this zone.
R2T = 0 disables dynamic TMIN control. The TMIN value chosen is not adjusted and the channel behaves as described in
the Fan Speed Control section.
1 This register becomes read-only when the Configuration Register 1 lock bit is set to 1. Any subsequent attempts to write to this register fail.
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| ADT7473ARQZ-1REEL7 | 功能描述:IC THERM MON FAN CTRLR 16-QSOP RoHS:是 類別: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:296-22675-6 |
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| ADT7473ARQZ-REEL | 功能描述:板上安裝溫度傳感器 FAN CNTRLR/INT MON 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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