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| 型号： | MAX6884ETP+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/34页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR PWR SPL 20-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 类型： | 多压监控器 |
| 监视电压数目： | 6 |
| 输出： | 开路漏极，推挽式 |
| 复位： | 高有效/低有效 |
| 复位超时： | 可调节/可选择 |
| 电压 - 阀值： | 6 种可选阀值组合 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN-EP（5x5） |
| 包装： | 管件 |
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EEPROM-Programmable, Hex
Power-Supply Supervisory Circuits
Pin Description (continued)
MAX6884
PIN
MAX6885
NAME
FUNCTION
Margin Input. MARGIN holds RESET , UV / OV , and WDO in their existing states when
7
7
MARGIN
MARGIN is driven low. Leave MARGIN unconnected or connect to DBP if unused.
MARGIN is internally pulled up to DBP through a 10μA current source. MARGIN
overrides MR if both are asserted at the same time.
8
9
10
8
9
10
SDA
SCL
A0
Serial Data Input/Output (Open Drain). SDA requires an external pullup resistor.
Serial-Interface Clock Input. SCL requires an external pullup resistor.
Serial Address Input 0. Allows up to 2 devices to share a common bus. Connect A0 to
ground or the serial-interface power supply.
Reference Voltage Input. Program the device for external or internal reference. Connect
11
—
REFIN
an external +1.225V to +1.275V reference to REFIN when using an external reference.
Leave REFIN unconnected when using the internal reference.
Auxiliary Input. A 10-bit ADC converts the input voltage at AUXIN. The high-impedance
12
—
AUXIN
AUXIN input accepts input voltages up to 1.25V. AUXIN does not affect programmable
outputs.
—
11, 12
N.C.
No Connection. Not internally connected.
Internal Power-Supply Voltage. Bypass V CC to GND with a 1μF ceramic capacitor as
close to the device as possible. V CC supplies power to the internal circuitry. V CC is
13
13
V CC
internally powered from the highest of the monitored IN1–IN4 voltages. Do not use V CC
to supply power to external circuitry. To externally supply V CC , see the Powering the
MAX6884/MAX6885 section.
Internal Digital Power-Supply Voltage. Bypass DBP to GND with a 1μF ceramic
14
14
DBP
capacitor. DBP supplies power to the EEPROM memory, the internal logic circuitry, and
the programmable outputs. Do not use DBP to supply power to external circuitry.
Voltage-Detector Input 6. Program two thresholds per voltage-detector input
(undervoltage UV and undervoltage/overvoltage UV/OV). Program IN6 detector
15
15
IN6
thresholds from 1V to 5.8V in 20mV increments, 0.5V to 3.05V in 10mV increments. For
improved noise immunity, bypass IN6 to GND with a 0.1μF capacitor installed as close
to the device as possible.
Voltage-Detector Input 5. Program two thresholds per voltage-detector input
(undervoltage UV and undervoltage/overvoltage UV/OV). Program IN5 detector
16
16
IN5
thresholds from 1V to 5.8V in 20mV increments, 0.5V to 3.05V in 10mV increments. For
improved noise immunity, bypass IN5 to GND with a 0.1μF capacitor installed as close
to the device as possible.
Voltage-Detector Input 4. Program two thresholds per voltage-detector input
(undervoltage UV and undervoltage/overvoltage UV/OV). Program IN4 detector
17
17
IN4
thresholds from 1V to 5.8V in 20mV increments, 0.5V to 3.05V in 10mV increments. For
improved noise immunity, bypass IN4 to GND with a 0.1μF capacitor installed as close
to the device as possible. Program the device to receive power through IN1–IN4 inputs
or V CC (see the Powering the MAX6884/MAX6885 section).
8
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6884ETP+ | 功能描述:监控电路 EEPROM-Prog Hex Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6884ETP+T | 功能描述:监控电路 EEPROM-Prog Hex Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6884ETP-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6884EVCMOD2 | 功能描述:监控电路 Programmers, Development Systems RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6884EVKIT | 功能描述:监控电路 Programmers, Development Systems RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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