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參數(shù)資料
| 型號： | MAX6885ETP+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | EEPROM-Programmable, Hex, Power-Supply Supervisors with an ADC |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC20 |
| 封裝： | 5 X 5 MM, 0.80 MM PITCH, MO-220WHHC, QFN-20 |
| 文件頁數(shù)： | 11/34頁 |
| 文件大?。?/td> | 310K |
| 代理商： | MAX6885ETP+ |
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UV/OV
Program UV/OV to depend on MR, RESET, or any pro-
grammable secondary voltage detector input (see Table
7). As an example, UV/OV may depend on the IN1 sec-
ondary overvoltage threshold, MR, and RESET. Write 1’s
to R13h[2:0] and R0Eh[1] to configure as indicated. IN1
must be below the overvoltage threshold, MR must be
high, and RESET must be deasserted to be a logic “1,”
then UV/OV deasserts. The logic state of UV/OV, in this
example, is equivalent to the logical statement:
IN1 MR RESET
UV/OV remains low for its programmed time delay (tUP)
after all assertion-causing conditions are removed.
Program time delays for UV/OV from 25s to 1600ms
(see Table 7). Configure UV/OV for open drain or weak
pullup through bit R14h[0].
MAX6884/MAX6885
EEPROM-Programmable, Hex
Power-Supply Supervisory Circuits
______________________________________________________________________________________
19
REGISTER
ADDRESS
EEPROM
MEMORY
ADDRESS
BIT RANGE
DESCRIPTION
[0]
1 = UV/OV Assertion Depends on MR
0 = UV/OV Assertion Does Not Depend on MR
[1]
1 = UV/OV Assertion Depends on RESET
0 = UV/OV Assertion Does Not Depend on RESET
[2]
1 = UV/OV Assertion Depends on IN1 Secondary Undervoltage/Overvoltage Threshold
0 = UV/OV Assertion Does Not Depend on IN1 Secondary Undervoltage/Overvoltage
Threshold
[3]
1 = UV/OV Assertion Depends on IN2 Secondary Undervoltage/Overvoltage Threshold
0 = UV/OV Assertion Does Not Depend on IN2 Secondary Undervoltage/Overvoltage
Threshold
[4]
1 = UV/OV Assertion Depends on IN3 Secondary Undervoltage/Overvoltage Threshold
0 = UV/OV Assertion Does Not Depend on IN3 Secondary Undervoltage/Overvoltage
Threshold
[5]
1 = UV/OV Assertion Depends on IN4 Secondary Undervoltage/Overvoltage Threshold
0 = UV/OV Assertion Does Not Depend on IN4 Secondary Undervoltage/Overvoltage
Threshold
[6]
1 = UV/OV Assertion Depends on IN5 Secondary Undervoltage/Overvoltage Threshold
0 = UV/OV Assertion Does Not Depend on IN5 Secondary Undervoltage/Overvoltage
Threshold
13h
93h
[7]
1 = UV/OV Assertion Depends on IN6 Secondary Undervoltage/Overvoltage Threshold
0 = UV/OV Assertion Does Not Depend on IN6 Secondary Undervoltage/Overvoltage
Threshold
[0]
UV/OV Output Type
1 = Open Drain
0 = Weak Pullup
[3:1]
UV/OV Deassertion Time Delay
000 = 25s
001 = 1.56ms
010 = 6.25ms
011 = 25ms
100 = 50ms
101 = 200ms
110 = 400ms
111 = 1600ms
14h
94h
[7:4]
Unused
Table 7. Programmable UV/OV Options
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| MAX6886ETP+ | Pin-Selectable, Hex Power-Supply Supervisory Circuit |
| MAX6886ETP+T | Pin-Selectable, Hex Power-Supply Supervisory Circuit |
| MAX6887AETE+ | Hex/Quad, Power-Supply Supervisory Circuits |
| MAX6887AETE+T | Hex/Quad, Power-Supply Supervisory Circuits |
| MAX6887BETE+ | Hex/Quad, Power-Supply Supervisory Circuits |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6885ETP+ | 功能描述:監(jiān)控電路 EEPROM-Prog Hex Power-Sup Sequencer 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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6885ETP+T | 功能描述:監(jiān)控電路 EEPROM-Prog Hex Power-Sup Sequencer 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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6885ETP-T | 功能描述:監(jiān)控電路 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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6886ETP | 功能描述:監(jiān)控電路 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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6886ETP+ | 功能描述:監(jiān)控電路 Pin-Selectable Hex Power-Sup Supervisor 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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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