參數(shù)資料
型號(hào): ADM1029ARQZ-R7
廠商: ON Semiconductor
文件頁數(shù): 24/50頁
文件大?。?/td> 402K
描述: IC SENSOR 2TEMP/FAN CTRL 24QSOP
產(chǎn)品變化通告: QSOP 24ld Pkg (MSL) Change 17/Jun/2010
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 本地,±3°C 遠(yuǎn)程
拓?fù)洌?/td> ADC,風(fēng)扇控制,寄存器庫
輸出類型: 開路漏極
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 ~ 100°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)
ADM1029
http://onsemi.com
24
Figure 36. Fan Configuration Flowchart
SET FAN 1 = 33%
SET FAN 2 = 33%
CONFIGURE FAN
NORMAL SPEED
FAN 1 (REG 0X60)
FAN 2 (REG 0X61)
BIT 0 = 1
ASSERT CFAULT
 ON FAN FAULT (TACH FAILURE OR FAULT ASSERTION)
BIT 1 = 1
ASSERT INT
 ON FAN FAULT (TACH FAILURE OR FAULT ASSERTION)
BIT 2 = 1
ASSERT CFAULT
 IF FAN HOT UNPLUGGED
BIT 3 = 1
ASSERT INT
 IF FAN HOT UNPLUGGED
BIT 4 = 1
THERMAL OVERRIDE IF IN SLEEP MODE (FAN RUNS AT ALARM SPEED)
BIT 5 = 1
DRIVE FAULT LOW IF A FAN FAULT IS DETECTED
BIT 6 = 1
IF CFAULT
 PULLED LOW EXTERNALLY, RUN FAN AT HOT-PLUG SPEED
BIT 7 = 1
IF CFAULT
 PULLED LOW ESTERNALLY, RUN FAN AT ALLARM SPEED
CONFIGURE FAN
ALARM SPEED
FAN 1 (REG 0X60)
FAN 2 (REG 0X61)
CONFIGURE FAN
HOT-PLUG SPEED
FAN 1 (REG 0X68)
FAN 2 (REG 0X69)
CONFIGURE FAN FAULT
ACTION
FAN 1 (REG 0X18)
FAN 2 (REG 0X19)
CONFIGURE FAN FAULT
MASK REGISTERS
FAN 1 (REG 0X20)
FAN 2 (REG 0X21)
DEFAULT
FAN 1 = 100%
FAN 2 = 100%
DEFAULT
FAN 1 = 100%
FAN 2 = 100%
FAN FAULT MASK (CONFIGURE REG 0X20 FOR
FAN 1, REG 0X21 FOR FAN 2)
BIT 0 = 1
RUN FAN 1 AT ALARM SPEED
IF FAN FAULT IS DETECTED
BIT 1 = 1
RUN FAN 2 AT ALARM SPEED
IF FAN FAULT IS DETECTED
BIT 2  7
DONT CARE
7
6
5
4
3
2
1
0
FAN TACH
FAILURE OR
FAULT PIN
LOW?
FAN RUNS AT ALARM SPEED
YES
CFAULT
YES
YES
YES
YES
YES
YES
YES
YES
INT
INT
CFAULT
FAN RUNS AT HOT-PLUG SPEED
FAN RUNS AT ALARM SPEED
FAN 1 RUNS ALARM SPEED
FAN 2 RUNS ALARM SPEED
YES
FAN TACH
FAILURE OR
FAULT PIN
LOW?
HAS A FAN
BEEN HOT
UNPLUGGED?
HAS A FAN
BEEN HOT
UNPLUGGED?
OVER-
TEMPERATURE
DETECTED IN
SLEEP MODE?
FAN TACH
FAILURE OR
FAULT PIN
LOW?
HAS CFAULT
BEEN PULLED
LOW?
HAS CFAULT
BEEN PULLED
LOW?
FAN TACH
FAILURE OR
FAULT PIN
LOW?
FAN TACH
FAILURE OR
FAULT PIN
LOW?
FAN FAULT ACTION (CONFIGURE REG 0X18 FOR FAN 1, REG 0X19 FOR FAN 2)
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