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參數(shù)資料
| 型號(hào)： | MAX6873ETJ |
| 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： | 4-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)： | 2/48頁 |
| 文件大?。?/td> | 374K |
| 代理商： | MAX6873ETJ |
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MAX6872/MAX6873
Detailed Description
The MAX6872/MAX6873 EEPROM-configurable, multi-
voltage supply sequencers/supervisors monitor several
voltage-detector inputs and four general-purpose logic
inputs, and feature programmable outputs for highly
configurable, power-supply sequencing applications.
The MAX6872 features six voltage-detector inputs and
eight programmable outputs, while the MAX6873 fea-
tures four voltage-detector inputs and five programma-
ble outputs. Manual reset and margin disable inputs
simplify board-level testing during the manufacturing
process. The MAX6872/MAX6873 feature an accurate
internal 1.25V reference.
All voltage detectors provide two configurable thresh-
olds for undervoltage/overvoltage or dual undervoltage
detection. One high-voltage input (IN1) provides detec-
tor threshold voltages from +1.25V to +7.625V in 25mV
increments or +2.5V to +13.2V in 50mV increments.
A bipolar input (IN2) provides detector threshold volt-
ages from ±1.25V to ±7.625V in 25mV increments, or
±2.5V to ±15.25V in 50mV increments. Positive inputs
(IN3–IN6) provide detector threshold voltages from
+0.5V to +3.05V in 10mV increments, or +1.0V to +5.5V
in 20mV increments.
The host controller communicates with the MAX6872/
MAX6873s’ internal 4kb user EEPROM, configuration
EEPROM, configuration registers, and fault registers
through an SMBus/I2C-compatible serial interface (see
Figure 1).
Programmable output options include active-high,
active-low, open-drain, weak pullup, push-pull, and
charge pump. Select the charge-pump output feature
to drive n-channel FETs for power-supply sequencing
(see the Applications Information section). The outputs
swing between 0 and (VABP + 5V) when configured for
charge-pump operation.
EEPROM-Programmable, Hex/Quad,
Power-Supply Sequencers/Supervisors
10
______________________________________________________________________________________
COMPARATORS
REGISTER BANK
CONTROLLER
EEPROM
(USER AND
CONFIG)
OUTPUT
STAGES
LOGIC NETWORK
FOR PO_
WATCHDOG
TIMERS
GPI_
GPI_, MR,
MARGIN
PO_
IN_
SDA,
SCL
ANALOG
BLOCK
DIGITAL
BLOCK
SERIAL
INTERFACE
Figure 1. Top-Level Block Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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(cè)電壓數(shù): 監(jiān)測(cè)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+T | 功能描述:監(jiān)控電路 EEPROM-Prog Quad Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)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-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)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 |
| MAX6874ETJ | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)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 |
| MAX6874ETJ+ | 功能描述:監(jiān)控電路 EEPROM-Prog Hex Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)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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