參數(shù)資料
型號: ADM1027ARQZ-RL7
廠商: ON Semiconductor
文件頁數(shù): 47/56頁
文件大小: 1822K
描述: IC REMOTE THERMAL CTLR 24QSOP
產(chǎn)品變化通告: MFG CHG Notification ADI to ON Semi
Product Discontinuation Notice 25/Aug/2008
Product Obsolescence 30/Sept/2009
標(biāo)準(zhǔn)包裝: 1,000
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: 0°C ~ 105°C,外部傳感器
精確度: ±1°C
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):
輸出風(fēng)扇:
電源電壓: 3 V ~ 5.5 V
工作溫度: 0°C ~ 105°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)
REV. A
ADM1027
47
Table XVII. TEMP T
RANGE
/PWM Frequency Registers
Register Address
R/W
Description
Power-On Default
0x5F
Read/Write
Remote 1 T
RANGE
/PWM 1 Frequency
0xC4
0x60
Read/Write
Local Temperature T
RANGE
/PWM 2 Frequency
0xC4
0x61
Read/Write
Remote 2 T
RANGE
/PWM 3 Frequency
0xC4
Bit
Name
Read/Write
Description
<2:0>
FREQ
Read/Write
These bits control the PWMx frequency.
000 = 11.0 Hz
001 = 14.7 Hz
010 = 22.1 Hz
011 = 29.4 Hz
100 = 35.3 Hz (default)
101 = 44.1 Hz
110 = 58.8 Hz
111 = 88.2 Hz
<3>
Reserved
Read/Write
Reserved for future use.
<7:4>
RANGE
Read/Write
These bits determine the PWM duty cycle versus temperature slope for automatic
fan control.
0000 = 2
o
C
0001 = 2.5
o
C
0010 = 3.33
o
C
0011 = 4
o
C
0100 = 5
o
C
0101 = 6.67
o
C
0110 = 8
o
C
0111 = 10
o
C
1000 = 13.33
o
C
1001 = 16
o
C
1010 = 20
o
C
1011 = 26.67
o
C
1100 = 32
o
C (default)
1101 = 40
o
C
1110 = 53.33
o
C
1111 = 80
o
C
These registers become read-only when the Configuration Register 1 lock bit is set. Any further attempts to write to these registers
will have no effect.
Rev. 3 | Page 47 of 56 | www.onsemi.com
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