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參數資料
| 型號： | ADM9264ARN |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | Quad Power Supply Monitor for Desktop PCs |
| 中文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | 0.150 INCH, SOIC-16 |
| 文件頁數： | 10/12頁 |
| 文件大小： | 181K |
| 代理商： | ADM9264ARN |
ADM9264
–10–
REV. 0
APPLICATIONS
A typical application of the ADM9264 is shown in Figure 23.
The analog inputs SU1 to SU4 are connected to the four power
supply outputs of a system to monitor the supply voltages.
One of the digital inputs,
ERRY
, is connected to a temperature
sensor such as the TMP01 or AD22105. The trip point of the
overtemperature comparator is set by R
SET
so that the output
goes low when the temperature exceeds safe limits. (See the
appropriate Analog Devices data sheet for more information on
these devices.)
The other digital input, ERRX, is connected to a fan failure
sensor. This can be something as simple as a vane switch
mounted in the fan air flow, which opens if the air flow fails.
SU1
10k
V
CC
SUPER I/O
CHIP
MICROPROCESSOR
SU2
10k
V
CC
SU3
10k
V
CC
SU4
10k
V
CC
ERRX
V
CC
FAN
(ALARM MONITOR)
AD22105
TEMPERATURE
SENSOR
6
7
1
2
R
SET
3
PSU #1
12V
PSU #2
5V
PSU #3
3.3V
PSU #4
2.8V
DIS
SU4DET
ADM9264
ERR3
ERR1
ERRY
ERR4
ERR2
Figure 23. Typical Application of ADM9264
The digital outputs of the ADM9264 are interfaced to the
system microprocessor through the GPIO lines or via an I/O
adapter chip. Depending on the level of fault diagnostics
required in the system, the four error outputs (
ERR1
to
ERR4
)
corresponding to the analog inputs SU1 to SU4 can be indi-
vidually connected to the I/O chip to give specific indication of
which supply voltage has failed, while the PWROK output
indicates an overtemperature or system cooling failure. Alter-
natively, the PWROK output can be used alone to give a
nonspecific failure indication.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADM9264ARN-REEL | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| ADM9264ARN-REEL7 | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| ADM9264ARNZ | 制造商:Analog Devices 功能描述:Volt Supervisor Monitor 2.8V/3.3V/5V/12V 16-Pin SOIC N 制造商:Analog Devices 功能描述:Microprocessor Supervisor |
| ADM9511 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ADM9690 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Power Supply and Watchdog Timer Monitoring Circuit |
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