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| 型號： | ADT7476AARQZ-R |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 64/66頁 |
| 文件大?。?/td> | 945K |
| 描述： | IC REMOTE THERMAL CTLR 24QSOP |
| 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 ~ 125°C |
| 精確度： | ±2.5% |
| 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 |
| 輸出類型： | SMBus? |
| 輸出警報(bào)： | 無 |
| 輸出風(fēng)扇： | 是 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 125°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) |
| 其它名稱： | ADT7476AARQZ-R-ND ADT7476AARQZ-ROSTR |
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ADT7476A
http://onsemi.com
64
Table 86. REGISTER 0x7C CONFIGURATION REGISTER 5 (POWER-ON DEFAULT = 0x01) (Note 1)
Bit No.
Mnemonic
R/W
Description
[0]
2sC
R/W
2sC = 1 sets the temperature range to the twos complement temperature range.
2sC = 0 changes the temperature range to the Offset 64 temperature range. When this bit is
changed, the ADT7476A interprets all relevant temperature register values as defined by this bit.
[1]
Temp Offset
R/W
TempOffset = 0 sets offset range to 63癈 to +64癈 with 0.5癈 resolution.
TempOffset = 1 sets offset range to 63癈 to +127癈 with 1癈 resolution. These settings
apply to Remote 1, Local, and Remote 2 temperature offset registers (0x70, 0x71, and 0x72).
[2]
GPIO6D
R/W
GPIO6 direction. When GPIO6 function is enabled, this determines whether GPIO6 is an
input (0) or an output (1).
[3]
GPIO6P
R/W
GPIO6 polarity. When the GPIO6 function is enabled and is programmed as an output, this
bit determines whether the GPIO6 is active low (0) or high (1).
[4]
VID/GPIO
R/W
VID/GPIO = 0 enables VID functionality on Pin 5, Pin 6, Pin 7, Pin 8, and Pin 19.
VID/GPIO = 1 enables GPIO functionality on Pin 5, Pin 6, Pin 7, Pin 8, and Pin 19.
[5]
R1 THERM
R/W
R1 THERM
= 1 enables THERM
temperature limit functionality for Remote 1 temperature
channel; that is, THERM
is bidirectional.
R1 THERM
= 0 indicates THERM
is a timer input only. THERM
can also be disabled on any
channel by:
Writing 64癈 to the appropriate THERM
temperature limit in Offset 64 mode.
Writing 128癈 to the appropriate THERM
temperature limit in twos complement mode.
[6]
Local
THERM
R/W
Local THERM
= 1 enables THERM
temperature limit functionality for local temperature
channel; that is, THERM
is bidirectional.
Local THERM
= 0 indicates THERM
is a timer input only. THERM
can also be disabled on
any channel by:
Writing 64癈 to the appropriate THERM
temperature limit in Offset 64 mode.
Writing 128癈 to the appropriate THERM
temperature limit in twos complement mode.
[7]
R2 THERM
R/W
R2 THERM
= 1 enables THERM
temperature limit functionality for Remote 2 temperature
channel; that is, THERM
is bidirectional.
R2 THERM
= 0 indicates THERM
is a timer input only. THERM
can also be disabled on any
channel by:
Writing 64癈 to the appropriate THERM
temperature limit in Offset 64 mode.
Writing 128癈 to the appropriate THERM
temperature limit in twos complement mode.
1. This register becomes read-only when the Configuration Register 1 Lock bit is set to 1. Any further attempts to write to this register have no effect.
Table 87. REGISTER 0x7D CONFIGURATION REGISTER 4 (POWER-ON DEFAULT = 0x00) (Note 1)
Bit No.
Mnemonic
R/W
Description
[1:0]
PIN14FUNC
R/W
These bits set the functionality of Pin 14.
00 = TACH4 (Default)
01 = THERM
10 = SMBALERT
11 = GPIO
[2]
THERM
Disable
R/W
THERM
Disable = 0 enables THERM
overtemperature output assuming THERM
is correctly
configured (Registers 0x78, 0x7C, and 0x7D).
THERM
Disable = 1 disables THERM
overtemperature output on all channels.
THERM
can also be disabled on any channel by:
Writing 64癈 to the appropriate THERM
temperature limit in Offset 64 mode.
Writing 128癈 to the appropriate THERM
temperature limit in twos complement mode.
[3]
MaxSpeed
THERM
R/W
MaxSpeed on THERM
= 0 indicates that fans go to full speed when THERM
temperature
limit is exceeded.
MaxSpeed on THERM
= 1 indicates that fans go to max speed (0x38, 0x39, 0x3A) when
THERM
temperature limit is exceeded.
[4]
BpAtt 2.5 V
R/W
Bypass 2.5 V attenuator. When set, the measurement scale for this channel changes from
0 V (0x00) to 2.25 V (0xFF).
[5]
BpAtt V
CCP
R/W
Bypass V
CCP
attenuator. When set, the measurement scale for this channel changes from
0 V (0x00) to 2.25 V (0xFF).
[6]
BpAtt 5.0 V
R/W
Bypass 5.0 V attenuator. When set, the measurement scale for this channel changes from
0 V (0x00) to 2.25 V (0xFF).
[7]
BpAtt 12 V
R/W
Bypass 12 V attenuator. When set, the measurement scale for this channel changes from
0 V (0x00) to 2.25 V (0xFF).
1. This register becomes read-only when the Configuration Register 1 Lock bit is set to 1. Any further attempts to write to this register have no effect.
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相關(guān)代理商/技術(shù)參數(shù) |
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| ADT7476AARQZ-REEL | 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 輸出類型:2 線 SMBus? 輸出警報(bào):無 輸出風(fēng)扇:無 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 |
| ADT7476AARQZ-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 輸出類型:2 線 SMBus? 輸出警報(bào):無 輸出風(fēng)扇:無 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 |
| ADT7476AARQZ-RL7 | 功能描述:板上安裝溫度傳感器 MONITORS 5V/4 FANS 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 |
| ADT7476ARQH | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:dBCOOL Remote Thermal Controller and Voltage Monitor |
| ADT7476ARQH-REEL | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:dBCOOL Remote Thermal Controller and Voltage Monitor |
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