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參數資料
| 型號： | ADM1064ASU-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | Super Sequencer with Voltage Readback ADC |
| 中文描述： | 10-CHANNEL POWER SUPPLY SUPPORT CKT, QFP48 |
| 封裝： | 7 X 7 MM, MS-026ABC, TQFP-48 |
| 文件頁數： | 18/32頁 |
| 文件大?。?/td> | 523K |
| 代理商： | ADM1064ASU-REEL |
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ADM1064
SEQUENCING ENGINE APPLICATION EXAMPLE
The application in this section demonstrates the operation of
the SE. Figure 24 shows how the simple building block of a
single SE state can be used to build a power-up sequence for a
3-supply system.
Rev. 0 | Page 18 of 32
Table 7 lists the PDO outputs for each state in the same SE
implementation. In this system, the presence of a good 5 V
supply on VP1 and the VX1 pin held low are the triggers
required for a power-up sequence to start. The sequence intends
to turn on the 3.3 V supply next, then the 2.5 V supply (assuming
successful turn-on of the 3.3 V supply). Once all three supplies
are good, the PWRGD state is entered, where the SE remains
until a fault occurs on one of the three supplies, or it is instructed
to go through a power-down sequence by VX1 going high.
Faults are dealt with throughout the power-up sequence on a
case-by-case basis. The following sections, which describe the
individual blocks, use this sample application to demonstrate
the state machine’s actions.
0
IDLE1
IDLE2
EN3V3
DIS3V3
DIS2V5
PWRGD
FSEL1
FSEL2
SEQUENCE
STATES
MONITOR FAULT
STATES
TIMEOUT
STATES
VX1 = 0
VP1 = 1
VP1 = 0
(VP1 + VP2) = 0
(VP1 + VP2 + VP3) = 0
V(VP1 +
VP2 = 1
VP3 = 1
VP2 = 0
VX1 = 1
VP3 = 0
VP2 = 0
VP1 = 0
VX1 = 1
VX1 = 1
10ms
20ms
EN2V5
Figure 24. Sample Application Flow Diagram
Table 7. PDO Outputs for Each State
PDO Outputs
PDO1 = 3V3ON
PDO2 = 2V5ON
PDO3 = FAULT
IDLE1
0
0
0
IDLE2
0
0
0
EN3V3
1
0
0
EN2V5
1
1
0
DIS3V3
0
1
1
DIS2V5
1
0
1
PWRGD
1
1
0
FSEL1
1
1
1
FSEL2
1
1
1
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相關代理商/技術參數 |
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|---|---|
| ADM1064ASU-REEL7 | 制造商:Analog Devices 功能描述:Volt Supervisor Sequencer 2.7V to 5.4V 48-Pin TQFP T/R |
| ADM1064ASUZ | 功能描述:IC SEQUENCER/SUPERVISOR 48-TQFP RoHS:是 類別:集成電路 (IC) >> PMIC - 監控器 系列:Super Sequencer® 其它有關文件:STM6905 View All Specifications 標準包裝:1 系列:- 類型:多壓監控器 監視電壓數目:5 輸出:開路漏極或開路集電極 復位:低有效 復位超時:最小為 140 ms 電壓 - 閥值:2.188V，2.955V，可調，可調，可調 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-TSSOP 包裝:Digi-Reel® 產品目錄頁面:1197 (CN2011-ZH PDF) 其它名稱:497-8728-6 |
| ADM1065 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Super Sequencer-TM and Monitor |
| ADM1065ACP | 制造商:Analog Devices 功能描述:Volt Supervisor Sequencer/Monitor 2.7V to 5.4V 40-Pin LFCSP EP |
| ADM1065ACP-REEL | 制造商:AD 制造商全稱:Analog Devices 功能描述:Super Sequencer-TM and Monitor |
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