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參數資料
型號: ADT7460ARQ
廠商: ANALOG DEVICES INC
元件分類: 模擬信號調理
英文描述: dB COOL?? Remote Thermal Controller and Fan Controller
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO16
封裝: 0.025 INCH PITCH, MO-137AB, QSOP-16
文件頁數: 37/48頁
文件大小: 695K
代理商: ADT7460ARQ
REV. 0
ADT7460
–37–
Table XVII. Fan Tachometer Limit Registers
Register Address
0x54
0x55
0x56
0x57
0x58
0x59
0x5A
0x5B
R/W
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Description
TACH 1 Minimum Low Byte
TACH 1 Minimum High Byte
TACH 2 Minimum Low Byte
TACH 2 Minimum High Byte
TACH 3 Minimum Low Byte
TACH 3 Minimum High Byte
TACH 4 Minimum Low Byte
TACH 4 Minimum High Byte
Power-On Default
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
Exceeding any of the TACH limit registers by 1 indicates that the fan is running too slowly or has stalled. The appropriate status bit will be set in Interrupt Status
Register 2 to indicate the fan failure. Setting the Configuration Register 1 Lock bit has no effect on these registers.
Table XVIII. PWM Configuration Registers
Register Address
0x5C
0x5D
0x5E
Bit
<2:0>
R/W
*
Read/Write
Read/Write
Read/Write
R/W
Read/Write
Description
PWM1 Configuration
PWM2 Configuration
PWM3 Configuration
Description
These bits control the startup timeout for PWMx. The PWM output stays high until
two
valid TACH rising edges are seen from the fan. If there is not a valid TACH signal
during the
fan TACH measurement directly after the Fan Startup Timeout period, then
the TACH
measurement will read 0xFFFF and Status Register 2 reflects the Fan Fault. If
the TACH
Minimum High and Low Byte contains 0xFFFF or 0x0000, then the Status
Register 2 bit will not get set, even if the fan has not started.
000 = No startup timeout
001 = 100 ms
010 = 250 ms (default)
011 = 400 ms
100 = 667 ms
101 = 1 s
110 = 2 s
111 = 4 s
SLOW = 1 makes the Ramp Rates for Acoustic Enhancement four times longer
This bit inverts the PWM output. The default is 0, which corresponds to a logic high
output for 100% duty cycle. Setting this bit to 1 inverts the PWM output, so 100% duty
cycle corresponds to a logic low output.
These bits assign each fan to a particular temperature sensor for localized cooling.
000 = Remote 1 Temp controls PWMx (Automatic Fan Control Mode)
001 = Local Temp controls PWMx (Automatic Fan Control Mode)
010 = Remote 2 Temp controls PWMx (Automatic Fan Control Mode)
011 = PWMx runs full speed (default)
100 = PWMx disabled
111 = Manual Mode. PWM Duty cycle Registers (Reg 0x30–0x32) become writable.
Power-On Default
0x62
0x62
0x62
Name
SPIN
<3>
<4>
SLOW
INV
Read/Write
Read/Write
<7:5>
BHVR
Read/Write
*
These registers become read-only when the Configuration Register 1 Lock bit is set to 1. Any subsequent attempts to write to these registers will fail.
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相關代理商/技術參數
參數描述
ADT7460ARQ-REEL 功能描述:IC SENSOR TEMP FAN-CTRL 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
ADT7460ARQ-REEL7 功能描述:IC SENSOR TEMP FAN-CTRL 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
ADT7460ARQZ 功能描述:馬達/運動/點火控制器和驅動器 THERMAL MGMT CNTRLR IC RoHS:否 制造商:STMicroelectronics 產品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
ADT7460ARQZ-R7 制造商:ON Semiconductor 功能描述:Temp Sensor Digital Serial (3-Wire) 16-Pin QSOP T/R
ADT7460ARQZ-REEL 功能描述:板上安裝溫度傳感器 THERMAL MGMT CNTRLR IC RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 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 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor
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