參數(shù)資料
型號: MAX16049ATN+
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 電源管理
英文描述: 8-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC56
封裝: 8 X 8 MM, ROHS COMPLIANT, TQFN-56
文件頁數(shù): 33/61頁
文件大?。?/td> 790K
代理商: MAX16049ATN+
MAX16047A/MAX16049A
RESET
The reset output, RESET, is asserted during power-
up/power-down and deasserts following the reset time-
out period once the power-up sequence is complete.
The power-up sequence is complete when any MON_
inputs assigned to Slot 12 exceed their undervoltage
thresholds. If no MON_ inputs are assigned to Slot 12,
the power-up sequence is complete after the slot
sequence delay is expired.
RESET is a configurable output that monitors selected
MON_ voltages during normal operation. RESET also
depends on any monitoring input that has one or more
critical fault enable bits set. Use r19h[1:0] to configure
RESET to assert on an overvoltage fault, undervoltage
fault, or both. Use r19h[3:2] to configure RESET as an
active-high/active-low push-pull/open-drain output. If
desired, configure GPIO4 as a manual reset input, MR,
and pull MR low to assert RESET. RESET includes a
programmable timeout. See Table 21 for RESET depen-
dencies and configuration registers.
Table 20. EEPROM Fault Log Operation Period
FAULT CONTROL
REGISTER r47h[1:0]
DESCRIPTION
MINIMUM REQUIRED SHUTDOWN PERIOD
(ms)
00
Failed lines and ADC values saved
306
01
Failed lines saved
90
10
ADC values saved
252
11
No information saved
N/A
Table 21.
RESET Configuration and Dependencies
REGISTER/
EEPROM
ADDRESS
BIT RANGE
DESCRIPTION
[1:0]
RESET OUTPUT CONFIGURATION
00 = RESET is asserted if at least one of the selected inputs exceeds its undervoltage
threshold
01 = RESET is asserted if at least one of the selected inputs exceeds its early warning
threshold
10 = RESET is asserted if at least one of the selected inputs exceeds its overvoltage threshold
11 = RESET is asserted if any of the selected inputs exceeds undervoltage or overvoltage
thresholds
[2]
0 = RESET is an active-low output
1 = RESET is an active-high output
[3]
0 = RESET is an push-pull output
1 = RESET is a open-drain output
[6:4]
RESET TIMEOUT
000 = 25s
001 = 3ms
010 = 3.75ms
011 = 150ms
100 = 300ms
101 = 600ms
110 = 1200ms
111 = 2400ms
19h
[7]
Reserved
12-Channel/8-Channel EEPROM-Programmable
System Managers with Nonvolatile Fault Registers
______________________________________________________________________________________
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MAX16049ATN+ 功能描述:監(jiān)控電路 8Ch EEPROM Prob System Manager RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
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MAX16049ETN+T 功能描述:監(jiān)控電路 8Ch EEPROM Prob System Manager RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
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