Voltage Supervisors

Voltage supervisors are integrated circuits (ICs) that monitor or supervise a voltage within an electronic circuit. They are sometimes referred to as voltage monitors or detectors. Voltage supervisors are found in most electronic applications and are used to prevent system failure and ensure correct system power up.


Voltage supervisors have an output signal which is given if the voltage falls outside of the chose parameters. This signal can be used to enable, disable or reset another device. Supervisors are commonly paired with a microprocessor (MPU) or microcontroller (MCU) device, as they often require a specific voltage range. Voltage supervisors can also be used as a fault detector for a sensor.


Types of Voltage Supervisors:


  • CMOS voltage detector

  • Open drain voltage detector

  • Watchdog timer

  • Window detector

  • Back-up battery supervisor

  • Battery monitoring

Things to consider when choosing a voltage supervisor?


  • Reset voltage

  • Supply voltage

  • Number of channels

  • Package type

What are processor supervisors?


Processor Supervisors monitor voltage for microprocessors and microcontrollers (MCUs). It is essential that processor parameters are monitored by supervisors to ensure that these parameter boundaries are not exceeded. Exceeding some parameters can result in failure or even a dangerous result.


One of the primary things that a processor supervisor will monitor is voltage. For example, a supervisory circuit monitor may monitor voltages with a threshold of 1.6V to 5V. If the CPU’s circuit voltage falls outside of these limits, the supervisor would create an output signal, for example, a reset output.


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제품설명 단가 Voltage Supervisor Type Number of Supervisors Watchdog Timer Manual Reset Maximum Reset Threshold Voltage Power Fail Detection Minimum Reset Threshold Voltage Output Driver Maximum Reset Active Time Mounting Type Package Type Pin Count Dimensions Maximum Monitored Voltage
RS 제품 번호 412-860
제조사 부품 번호ADM691ARZ
제조사Analog Devices
₩5,319.60
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수량
Microprocessor Supervisory Circuit 1 Yes - - Yes - Active High, Active Low, Push-Pull 70ms Surface Mount SOIC 16 - 4.75V
RS 제품 번호 858-0908
제조사 부품 번호LTC2912ITS8-2#TRMPBF
제조사Analog Devices
₩6,280.60
Each (In a Pack of 5)
수량
Overvoltage Monitor, Undervoltage Monitor 1 - - - - - - - Surface Mount TSOT-23 8 2.9 x 1.75 x 0.9mm 3.3V
RS 제품 번호 156-5701
제조사 부품 번호LTC2912ITS8-2#TRMPBF
제조사Analog Devices
₩4,265.60
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Overvoltage Monitor, Undervoltage Monitor 1 - - - - - - - Surface Mount TSOT-23 8 2.9 x 1.75 x 0.9mm 3.3V
RS 제품 번호 523-7392
제조사 부품 번호ADM705ANZ
제조사Analog Devices
₩3,718.45
Each
수량
- 1 Yes Yes - Yes - Active Low, Push-Pull 280ms Through Hole PDIP 8 9.27 x 7.24 x 3.43mm 4.75V
RS 제품 번호 153-3178
제조사 부품 번호ADM825LYRJZ-R7
제조사Analog Devices
₩2,493.95
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Supervisory Circuits with Watchdog - Yes Yes 4.63V - - - - Surface Mount SOT-23 5 3 x 1.7 x 1.3mm 5V
RS 제품 번호 412-573
제조사 부품 번호ADM706SARZ
제조사Analog Devices
₩3,648.70
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- 1 Yes Yes - Yes - Active Low, Push-Pull 280ms Surface Mount SOIC 8 5 x 4 x 1.5mm 4.5V
RS 제품 번호 160-9934
제조사 부품 번호ADM811RARTZ-REEL7
제조사Analog Devices
₩1,159.40
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- 1 - Yes - - - Active Low, Push-Pull 560ms Surface Mount SOT-143 4 3.04 x 1.4 x 1.07mm 2.7V
RS 제품 번호 183-2134
제조사 부품 번호ADM1186-2ARQZ
제조사Analog Devices
₩6,285.25
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Power Supply Monitor 1 - - 1.428V - 1.372V - - Surface Mount QSOP 16 5 x 4.01 x 1.65mm 5.5V
RS 제품 번호 155-7515
제조사 부품 번호LTC2954CTS8-1#TRMPBF
제조사Analog Devices
₩4,434.55
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- - - - 1V - 0.6V - - Surface Mount TSOT-23 8 2.9 x 1.75 x 0.9mm -
RS 제품 번호 412-850
제조사 부품 번호ADM690ANZ
제조사Analog Devices
₩4,808.10
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- 1 Yes - - Yes - Active Low, Push-Pull 70ms Through Hole PDIP 8 10.92 x 7.11 x 4.95mm 4.75V
RS 제품 번호 471-459
제조사 부품 번호LTC1728ES5-2.5#TRMPBF
제조사Analog Devices
₩4,932.10
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Micropower Triple Supply Monitor 3 - Yes 3.135V - 2.3V - - Surface Mount TSOT-23 5 2.9 x 1.75 x 0.9mm -
RS 제품 번호 759-1768
제조사 부품 번호ADM708ARZ-REEL
제조사Analog Devices
₩3,183.70
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Microprocessor Supervisory Circuit 1 - Yes 4.5V - 4.25V - - Surface Mount SOIC-8 8 5 x 4 x 1.5mm 5.5V
RS 제품 번호 153-3166
제조사 부품 번호ADM6316DZ31ARJZ-R7
제조사Analog Devices
₩2,129.70
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Supervisory Circuits with Watchdog - Yes Yes 3.08V - - - - Surface Mount SOT-23 5 3 x 1.7 x 1.3mm -
RS 제품 번호 158-0419
제조사 부품 번호LTC4365IDDB#TRMPBF
제조사Analog Devices
₩4,073.40
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Overvoltage Monitor, Undervoltage Monitor 3 - - - - - - - Surface Mount DFN 8 3 x 2 x 0.7mm -
RS 제품 번호 412-591
제조사 부품 번호ADM708SARZ
제조사Analog Devices
₩3,275.15
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- 1 - Yes - Yes - Active High, Active Low, Push-Pull 280ms Surface Mount SOIC 8 5 x 4 x 1.5mm 4.5V
RS 제품 번호 822-5976
제조사 부품 번호LTC2950ITS8-2#TRMPBF
제조사Analog Devices
₩8,145.25
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- - - - 1V - 0.6V - - Surface Mount TSOT-23 8 2.9 x 1.75 x 0.9mm -
RS 제품 번호 160-9935
제조사 부품 번호ADM823TYRJZ-R7
제조사Analog Devices
₩1,309.75
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- 1 Yes Yes - - - Active Low, Push-Pull 280ms Surface Mount SOT-23 5 3 x 1.7 x 1.3mm 3.15V
RS 제품 번호 822-6821
제조사 부품 번호LTC2954CTS8-2#TRMPBF
제조사Analog Devices
₩6,420.10
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- - - - 1V - 0.6V - - Surface Mount TSOT-23 8 2.9 x 1.75 x 0.9mm -
RS 제품 번호 742-7705
제조사 부품 번호ADM1085AKSZ-REEL7
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₩1,559.30
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Simple Sequencer 1 - - 0.64V - 0.56V - - Surface Mount SC-70 6 2.2 x 1.35 x 1mm 22V
RS 제품 번호 761-9184
제조사 부품 번호LTC1726EMS8-5#PBF
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₩6,297.65
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- 3 Yes Yes - - - Active Low, Open Drain 155ms Surface Mount MSOP 8 3 x 3 x 0.86mm 4.75V