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參數(shù)資料
| 型號： | ADM1030ARQZ-RL7 |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 25/30頁 |
| 文件大小： | 327K |
| 描述： | IC SNSR TEMP/FAN PWM CTRL 16QSOP |
| 產(chǎn)品變化通告： | MFG CHG Notification ADI to ON Semi Product Obsolescence 11/Feb/2009 |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 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： | 0°C ~ 100°C，外部傳感器 |
| 精確度： | ±1°C，±1°C（最小值） |
| 拓?fù)洌?/td> | ADC，比較器，多路復(fù)用器，寄存器庫 |
| 輸出類型： | SMBus? |
| 輸出警報： | 是 |
| 輸出風(fēng)扇： | 是 |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 100°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-QSOP |
| 包裝： | 帶卷 (TR) |
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ADM1030
http://onsemi.com
25
Table 17. VALUE AND LIMIT REGISTERS
Address
Read/Write
Description
0x06
Read/Only
Extended Temperature Resolution (see Table 22).
0x08
Read/Write
Fan Speed Reading this register contains the fan speed tach measurement.
0x0A
Read/Only
Local Temperature Value this register contains the 8 MSBs of the local temperature measurement.
0x0B
Read/Only
Remote Temperature Value this register contains the 8 MSBs of the remote temperature reading.
0x0D
Read/Write
Local Temperature Offset See Table 29.
0x0E
Read/Write
Remote Temperature Offset See Table 30.
0x10
Read/Write
Fan Tach High Limit this register contains the limit for the fan tach measurement. Since the tach
circuit counts between pulses, a slow fan will result in a large measured value, so exceeding the limit
by one is the way to detect a slow or stalled fan. (Power-on Default = FFh)
0x14
Read/Write
Local Temperature High Limit (Power-on Default 60rC).
0x15
Read/Write
Local Temperature Low Limit (Power-on Default 0rC).
0x16
Read/Write
Local Temperature Therm Limit (Power-on Default 70rC).
0x18
Read/Write
Remote Temperature High Limit (Power-on Default 80rC).
0x19
Read/Write
Remote Temperature Low Limit (Power-on Default 0rC).
0x1A
Read/Write
Remote Temperature Therm Limit (Power-on Default 100rC).
Table 18. REGISTER 0X00 CONFIGURATION REGISTER 1 POWER-ON DEFAULT 90H
Bit
Name
R/W
Description
0
MONITOR
Read/Write
Setting this bit to a 1 enables monitoring of temperature and enables measurement of
the fan tach signals. (Power-up Default = 0)
1
INT
Enable
Read/Write
Setting this bit to a 1 enables the INT
output. 1 = Enabled 0 = Disabled (Power-up
Default = 0)
2
TACH/AIN
Read/Write
Clearing this bit to 0 selects digital fan speed measurement via the TACH pins. Setting
this bit to 1 configures the TACH pins as analog inputs that can measure the speed of
2-wire fans via a sense resistor. (Power-up Default = 0)
3
PWM Invert
Read/Write
Setting this bit to 1 inverts the PWM signal on the output pin. (Power-up Default = 0).
The power-up default makes the PWM_OUT pin go low for 100% duty cycle (suitable
for driving the fan using a PMOS device). Setting this bit to 1 makes the PWM_OUT
pin high for 100% duty cycle (intended for driving the fan using an NMOS device).
4
Fan Fault Enable
Read/Write
Logic 1 enables FAN_FAULT
pin; Logic 0 disables FAN_FAULT
output. (Power-up
Default = 1.)
65
PWM Mode
Read/Write
These two bits control the behavior of the fan in Auto Fan Speed Control Mode.
00 = Remote Temp controls Fan. (Program PWM duty cycle in Software Mode.)
11 = Fastest Calculated Speed Controls Fan. (Program RPM speed in Software Mode.)
7
Auto/SW Ctrl
Read/Write
Logic 1 selects Automatic Fan Speed Control; Logic 0 selects SW control. (Power-up
Default = 1) When under software control, PWM duty cycle or RPM values may be
programmed for the fan.
Table 19. REGISTER 0X01 CONFIGURATION 2 POWER-ON DEFAULT = 7FH
Bit
Name
R/W
Description
0
PWM 1 En
Read/Write
Enables fan PWM output when this bit is a 1.
1
Unused
Read/Write
Unused
2
TACH 1 En
Read/Write
Enables Tach input when set to 1.
3
Unused
4
Loc Temp En
Read/Write
Enables Interrupts on Local Channel when set to 1.
5
Remote Temp En
Read/Write
Enables Interrupts on Remote Channel when set to 1. Default is normally enabled,
except when a diode fault is detected on power-up.
6
Unused
Read/Write
Unused
7
SW Reset
Read/Write
When set to 1, resets the device. Self-clears. Power-up Default = 0.
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| ADM1031ARQ-REEL | 功能描述:IC SENSOR 2-TEMP/FAN CTRL 16QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 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: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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