TPS386596 具有手动复位输入的四路电压监控器 | 德州仪器 TI.com.cn

TPS386596
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具有手动复位输入的四路电压监控器

具有手动复位输入的四路电压监控器 - TPS386596
数据表
 

描述

The TPS386596 device monitors four power rails and asserts the RESET signal when any of the SENSE inputs drop below the respective thresholds. SVS-1 can be used to monitor a 3.3-V nominal power supply with no external components required. SVS-2, SVS-3, and SVS-4 are adjustable using external resistors and can be used to monitor any power-supply voltage higher than 0.4 V. All SENSE inputs have a threshold accuracy of 0.25% (typical). The TPS386596L33 also has an active-low manual reset (MR) that can assert the RESET signal as desired by the application. The open-drain, active-low RESET output deasserts after a fixed 50-ms delay.

The TPS386596 has a low quiescent current of 7 µA (typical) and is available in a space-saving, 8-pin MSOP package.

特性

  • Four Channel Voltage Detector
  • Threshold Accuracy: 0.25% (typ)
  • Fixed 50-ms RESET Delay Time
  • Active-Low Manual Reset Input
  • Very Low Quiescent Current: 7 µA (Typical)
  • SVS-1: Fixed Threshold for Monitoring 3.3 V
  • SVS-2/3/4: Adjustable Threshold Down to 0.4 V
  • Open-Drain RESET Output
  • Space-Saving, 8-pin MSOP Package

参数

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Part number 立即下单 Threshold voltage 1 (Typ) (V) Number of supplies monitored VCC (Max) (V) VCC (Min) (V) Output driver type/reset output Time delay (ms) Features Rating Operating temperature range (C) Watchdog timer WDI (sec)
TPS386596 立即下单 2.9     4     6.5     1.8     Active-low
Open-drain    
50     Active-low enable
Manual reset    
Catalog     -40 to 125     None    
TPS386000 立即下单 Adjustable     4     6.5     1.8     Active-low
Open-drain    
20
300
Programmable    
Active-low enable
Manual reset
Negative voltage monitoring
Undervoltage and overvoltage monitor
Watchdog timer
Safety documentation    
Catalog     -40 to 125     0.6    
TPS386040 无样片 Adjustable     4     6.5     1.8     Active-low
Push-pull    
20
300
Programmable    
Active-low enable
Manual reset
Negative voltage monitoring
Undervoltage and overvoltage monitor
Watchdog timer    
Catalog     -40 to 125     0.6