參數(shù)資料
型號： MAX6872ETJ
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： EEPROM-Programmable, Hex/Quad, Power-Supply Sequencers/Supervisors with Charge-Pump Outputs
中文描述： 6-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC32
封裝： 7 X 7 MM, 0.80 MM HEIGHT, MO-220, TQFN-32
文件頁數(shù)： 5/48頁
文件大小： 374K
代理商： MAX6872ETJ
MAX6872/MAX6873
EEPROM-Programmable, Hex/Quad,
Power-Supply Sequencers/Supervisors
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13
Table 1. Programmable Features
FEATURE
DESCRIPTION
High-Voltage Input
(IN1)
Primary undervoltage threshold
Secondary overvoltage or undervoltage threshold
+2.5V to +13.2V threshold in 50mV increments
+1.25V to +7.625V threshold in 25mV increments
Bipolar-Voltage Input
(IN2)
Primary undervoltage threshold
Secondary overvoltage or undervoltage threshold
±2.5V to ±15.25V threshold in 50mV increments
±1.25V to ±7.625V threshold in 25mV increments
Positive-Voltage Input
IN3–IN6 (MAX6872),
IN3–IN4 (MAX6873)
Primary undervoltage threshold
Secondary overvoltage or undervoltage threshold
+1V to +5.5V threshold in 20mV increments
+0.5V to +3.05V threshold in 10mV increments
Programmable Outputs
PO1–PO4 (MAX6872),
PO1–PO2 (MAX6873)
Active high or active low
Open-drain, weak pullup, or charge-pump output
Weak pullup to IN3–IN6 (IN3 or IN4 for MAX6873) or ABP
Dependent on MR, MARGIN, IN_, GPI1–GPI4 , WD1 and WD2, and/or PO_
Programmable timeout periods of 25s, 1.5625ms, 6.25ms, 25ms, 50ms, 200ms, 400ms, or 1.6s
Programmable Outputs
PO5–PO8 (MAX6872),
PO3–PO5 (MAX6873)
Active high or active low
Open-drain, weak pullup, or push-pull output
Weak pullup to IN3–IN6 (IN3 or IN4 for MAX6873) or ABP
Push-pull to IN3–IN6 (IN3 or IN4 for MAX6873)
Dependent on MR, MARGIN, IN_, GPI1–GPI4 , WD1 and WD2, and/or PO_
Programmable timeout periods of 25s, 1.5625ms, 6.25ms, 25ms, 50ms, 200ms, 400ms, or 1.6s
General-Purpose Logic
Inputs (GPI1–GPI4)
Active high or active low logic levels
Configure GPI_ as inputs to watchdog timers or programmable output stages
Watchdog Timers
Clear dependent on any combination of one GPI_ input and one programmable output, a GPI_ input
only, or a programmable output only
Initial watchdog timeout period of 6.25ms, 25ms, 100ms, 400ms, 1.6s, 6.4s, 25.6s, or 102.4s
Normal watchdog timeout period of 6.25ms, 25ms, 100ms, 400ms, 1.6s, 6.4s, 25.6s, or 102.4s
Watchdog enable/disable
Initial watchdog timeout period enable/disable
Manual Reset Input
(MR)
Forces PO_ into the active output state when MR = GND
PO_ deassert after MR releases high and the PO_ timeout period expires
PO_ cannot be a function of MR only
Margining Input
(MARGIN)
Holds PO_ in existing state or asserts PO_ to a programmed output state, independent of changes in
monitored inputs or watchdog timers, when MARGIN = GND
Overrides MR when both assert at the same time
Write Disable
Locks user EEPROM based on PO_
Configuration Lock
Locks configuration EEPROM
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6872ETJ+ 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
MAX6872ETJ+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
MAX6872ETJ-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
MAX6873ETJ 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
MAX6873ETJ+ 功能描述:監(jiān)控電路 EEPROM-Prog Quad 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
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