參數(shù)資料
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
文件頁數(shù): 25/72頁
文件大?。?/td> 1494K
代理商: ADT7473ARQZ-1REEL
ADT7473/ADT7473-1
Rev. C | Page 31 of 72
0
46
86
-04
5
ADT7473/ADT7473-1 IS POWERED UP
HAS THE ADT7473/ADT7473-1
BEEN ACCESSED BY A VALID
SMBus TRANSACTION?
HAS THE ADT7473/ADT7473-1
BEEN ACCESSED BY A VALID
SMBus TRANSACTION?
HAS THE ADT7473/ADT7473-1
BEEN ACCESSED BY A VALID
SMBus TRANSACTION?
HAS THE ADT7473/ADT7473-1
BEEN ACCESSED BY A VALID
SMBus TRANSACTION?
IS VCCP ABOVE 0.75V?
CHECK VCCP
RUNS THE FANS
TO FULL SPEED
SWITCH OFF FANS
START FAIL-SAFE TIMER
FAIL-SAFE TIMER ELAPSES
AFTER THE FAIL-SAFE TIMEOUT
START UP THE
ADT7473/ADT7473-1 NORMAL LY
Y
N
Y
POWER-ON DEFAULT
When the ADT7473 is powered up, it polls the VCCP input. By
default, the ADT7473-1 powers up with fans running, eliminat-
ing the need for polling of VCCP.
If VCCP stays below 0.75 V (the system CPU power rail is not
powered up), the ADT7473 assumes the functionality of the
default registers after the ADT74731 is addressed via any valid
SMBus transaction.
If VCC goes high (the system processor power rail is powered
up), a fail-safe timer begins to count down. If the ADT7473 is
not addressed by any valid SMBus transactions before the fail-
safe timeout (4.6 seconds) lapses, the ADT7473 drives the fans
to full speed. If the ADT7473 is addressed by a valid SMBus
transaction after this point, the fans stop, and the ADT7473
assumes its default settings and begins normal operation.
If VCCP goes high (the system processor power rail is powered
up), then a fail-safe timer begins to count down. If the
ADT7473 is addressed by a valid SMBus transaction before the
fail-safe timeout (4.6 seconds) lapses, then the ADT7473
operates normally, assuming the functionality of all the default
registers. See the flow chart in Figure 48.
Figure 48. Power-On Flow Chart
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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
ADT7473ARQZ-REEL7 功能描述:IC REMOTE THERMAL CTRLR 16QSOP 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
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