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參數資料
型號: ADT7460
廠商: Analog Devices, Inc.
英文描述: dB COOL?? Remote Thermal Controller and Fan Controller
中文描述: 分貝很酷吧??遠程熱控制器和風扇控制器
文件頁數: 39/48頁
文件大小: 695K
代理商: ADT7460
REV. 0
ADT7460
–39–
Table XX. Register 0x62 – Enhance Acoustics Register 1 (Power-On Default = 0x00)
Bit
<2:0>
Name
ACOU
R/W
*
Read/Write
Description
These bits select the Ramp Rate applied to the PWM1 output. Instead of PWM1 jumping
instantaneously to its newly calculated speed, PWM1 will ramp gracefully at the rate
determined by these bits. This feature enhances the acoustics of the fan being driven by
the PWM1 output.
Time Slot Increase
Time for 33% to 100%
000 = 1
35 s
001 = 2
17.6 s
010 = 3
1.8 s
011 = 5
7 s
100 = 8
4.4 s
101 = 12
3 s
110 = 24
1.6 s
111 = 48
0.8 s
When this bit is 1, Acoustic Enhancement is enabled on PWM1 output.
SYNC = 1 synchronizes fan speed measurements on TACH2, TACH3, and TACH4 to
PWM3. This allows up to three fans to be driven from PWM3 output and their speeds to
be measured.
SYNC = 0, only TACH3 and TACH4 are synchronized to PWM3 output.
When the ADT7460 is in Automatic Fan Control Mode, this bit defines whether PWM1 is
off (0% duty cycle) or at PWM 1 Minimum Duty Cycle when the controlling temperature is
below its T
MIN
– Hysteresis value.
0 = 0% duty cycle below T
MIN
– Hysteresis
1 = PWM 1 Minimum Duty Cycle below T
MIN
– Hysteresis
When the ADT7460 is in Automatic Fan Speed Control Mode, this bit defines whether
PWM 2 is off (0% duty cycle) or at PWM 2 Minimum Duty Cycle when the controlling
temperature is below its T
MIN
– Hysteresis value.
0 = 0% duty cycle below T
MIN
– Hysteresis
1 = PWM 2 Minimum Duty Cycle below T
MIN
– Hysteresis
When the ADT7460 is in Automatic Fan Speed Control Mode, this bit defines whether
PWM 3 is off (0% duty cycle) or at PWM 3 Minimum Duty Cycle when the controlling
temperature is below its T
MIN
– Hysteresis value.
0 = 0% duty cycle below T
MIN
– Hysteresis
1 = PWM 3 Minimum Duty Cycle below T
MIN
– Hysteresis
<3>
<4>
EN1
SYNC
Read/Write
Read/Write
<5>
MIN1
Read/Write
<6>
MIN2
Read/Write
<7>
MIN3
Read/Write
*This register becomes read-only when the Configuration Register 1 Lock bit is set to 1. Any further attempts to write to this register will have no effect.
相關PDF資料
PDF描述
ADT7460ARQ dB COOL?? Remote Thermal Controller and Fan Controller
ADT7461 【1∑C Temperature Monitor with Series Resistance Cancellation
ADT7461AR 【1∑C Temperature Monitor with Series Resistance Cancellation
ADT7461AR-REEL 【1∑C Temperature Monitor with Series Resistance Cancellation
ADT7461AR-REEL7 【1∑C Temperature Monitor with Series Resistance Cancellation
相關代理商/技術參數
參數描述
ADT7460ARQ 功能描述:IC REMOTE THRML/FAN CTRLR 16QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:dBCool® 標準包裝:1 系列:- 功能:溫度監控系統(傳感器) 傳感器類型:內部和外部 感應溫度:-40°C ~ 125°C,外部傳感器 精確度:±2.5°C 本地(最大值),±5°C 遠程(最大值) 拓撲:ADC,比較器,寄存器庫 輸出類型:2 線 SMBus? 輸出警報:無 輸出風扇: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 供應商設備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱:296-22675-6
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ADT7460ARQZ-R7 制造商:ON Semiconductor 功能描述:Temp Sensor Digital Serial (3-Wire) 16-Pin QSOP T/R
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