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| 型號(hào)： | ADT7463ARQZ-REEL |
| 廠商： | ON Semiconductor |
| 文件頁(yè)數(shù)： | 37/50頁(yè) |
| 文件大小： | 726K |
| 描述： | IC REMOTE THERMAL CTRLR 24-QSOP |
| 產(chǎn)品變化通告： | MFG CHG Notification ADI to ON Semi QSOP 24ld Pkg (MSL) Change 17/Jun/2010 |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | dBCool® |
| 功能： | 風(fēng)扇控制，溫度監(jiān)控器 |
| 傳感器類型： | 內(nèi)部和外部 |
| 感應(yīng)溫度： | -40°C ~ 120°C，外部傳感器 |
| 精確度： | ±1.5°C（最小值） |
| 拓?fù)洌?/td> | ADC，比較器，風(fēng)扇速度計(jì)數(shù)器，多路復(fù)用器，寄存器庫(kù) |
| 輸出類型： | SMBus? |
| 輸出警報(bào)： | 無(wú) |
| 輸出風(fēng)扇： | 是 |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 120°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-QSOP |
| 包裝： | 帶卷 (TR) |
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ADT7463
http://onsemi.com
37
Table 50. OPERATING POINT REGISTERS (POWERON DEFAULT = 0X64) (Note 1)
Register Address
R/W
Description
0x33
R/W
Remote 1 Operating Point Register (Default = 100癈)
0x34
R/W
Local Temp Operating Point Register (Default = 100癈)
0x35
R/W
Remote 2 Operating Point Register (Default = 100癈)
1. These registers become readonly when the Configuration Register 1 lock bit is set to 1. Any subsequent attempts to write to these registers
will fail. These registers set the target operating point for each temperature channel when the dynamic T
MIN
control feature is enabled. The
fans being controlled are adjusted to maintain temperature about an operating point.
Table 51. REGISTER 0X36 DYNAMIC T
MIN
CONTROL REGISTER 1 (POWERON DEFAULT = 0X00) (Note 1)
Bit
Name
R/W
Description
<0>
CYR2
R/W
MSB of 3bit Remote 2 Cycle Value. The other two bits of the code reside in Dynamic T
MIN
Control Register 2 (Reg. 0x37). These three bits define the delay time between making
subsequent T
MIN
adjustments in the control loop, in terms of 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>
V
CCP
LO
R/W
V
CCP
LO = 1. When the power is supplied from 3.3 V STANDBY and the core voltage (V
CCP
)
drops below its V
CCP
low limit value (Reg. 0x46), the following occurs:
" Status Bit 1 in Status Register 1 gets set
" SMBALERT
gets generated if enabled
" PROCHOT
monitoring is disabled
" Dynamic T
MIN
control is disabled
" The device is prevented from entering shutdown
" Everything reenabled once V
CCP
increases above V
CCP
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. This allows 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
Tegister reflects its programmed value.
<3>
PHTL
R/W
PHTL = 1 copies the local channels 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. This allows the system to run as quietly as possible without system performance
being affected.
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 T
MIN
control on the Remote 1 Temperature channel. The chosen
T
MIN
value is dynamically adjusted based on the current temperature, operating point, and high
and low limits for this zone.
R1T = 0 disables dynamic T
MIN
control. The T
MIN
value chosen is not adjusted, and the
channel behaves as described in the Automatic Fan Control section.
<6>
LT
R/W
LT = 1 enables dynamic T
MIN
control on the Local Temperature channel. The chosen T
MIN
value is dynamically adjusted based on the current temperature, operating point, and high and
low limits for this zone.
LT = 0 disables dynamic T
MIN
control. The T
MIN
value chosen is not adjusted, and the channel
behaves as described in the Automatic Fan Control section.
<7>
R2T
R/W
R2T = 1 enables dynamic T
MIN
control on the Remote 2 Temperature channel. The chosen
T
MIN
value is dynamically adjusted based on the current temperature, operating point, and high
and low limits for this zone.
R2T = 0 disables dynamic T
MIN
control. The T
MIN
value chosen is not adjusted, and the
channel behaves as described in the Automatic Fan Control section.
1. This register becomes readonly when the Configuration Register 1 Lock bit is set to 1. Further attempts to write to this register have no effect.
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| ADT7463ARQZ-REEL7 | 功能描述:IC REMOTE THERMAL CTRLR 24-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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| ADT7466ARQZ-REEL | 功能描述:板上安裝溫度傳感器 RMT THRM CTR VLT 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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