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    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.

    1216 Produkter som visas för Voltage Supervisors

    • RS-artikelnummer 688-8821P
    • Tillv. art.nr MC34064D-005G
    Varje (levereras i ett rör)
    9,26 kr
    onsemi
    -
    Undervoltage Detector
    1
    4.7V
    4.5V
    -
    -
    Surface Mount
    SOIC
    8
    5 x 4 x 1.5mm
    -
    6.5 V
    • RS-artikelnummer 244-9848
    • Tillv. art.nr MIC826TYMT-TR
    Var (i ett paket med 25)
    3,844 kr
    Microchip
    Watchdog Timer,Manual Reset,Power Fail Detection
    Low Voltage Supervisory Circuit with Watchdog
    -
    4.6V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS-artikelnummer 662-3362P
    • Tillv. art.nr TPS3808G12DBVT
    Varje (levereras i en rulle)
    21,638 kr
    Texas Instruments
    Manual Reset
    -
    1
    -
    -
    Open Drain
    -
    Surface Mount
    SOT-23
    6
    2.9 x 1.6 x 1.15mm
    1.13V
    6.5 V
    • RS-artikelnummer 244-9838P
    • Tillv. art.nr MIC803-40D4VM3-TR
    Varje (levereras i en rulle)
    3,844 kr
    Microchip
    -
    Microprocessor Supervisory Circuit
    1
    2.76V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS-artikelnummer 738-6320P
    • Tillv. art.nr MCP1320T-46LE/OT
    Varje (levereras i en rulle)
    6,882 kr
    Microchip
    Watchdog Timer,Manual Reset
    -
    1
    -
    -
    Active Low, Open Drain
    2240ms
    Surface Mount
    SOT-23
    5
    3.1 x 1.8 x 1.3mm
    4.71V
    5.5 V
    • RS-artikelnummer 249-6747P
    • Tillv. art.nr STEF512SRXCPUR
    Varje (levereras i en rulle)
    15,40 kr
    STMicroelectronics
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS-artikelnummer 823-4529
    • Tillv. art.nr TC32MCZB
    Var (i ett paket med 10)
    31,853 kr
    Microchip
    Watchdog Timer,Manual Reset,Power Fail Detection
    -
    1
    -
    -
    Active Low
    900ms
    Through Hole
    TO-92
    3
    5.21 x 4.19 x 5.33mm
    4.5V
    5.5 V
    • RS-artikelnummer 667-4219P
    • Tillv. art.nr MCP130T-270I/TT
    Varje (levereras i en rulle)
    5,824 kr
    Microchip
    -
    -
    1
    -
    -
    Active Low, Open Drain
    700ms
    Surface Mount
    SOT-23
    3
    2.9 x 1.3 x 0.95mm
    2.7V
    5.5 V
    • RS-artikelnummer 244-9847
    • Tillv. art.nr MIC826TYMT-TR
    Var (i en rulle med 5000)
    3,629 kr
    Microchip
    Watchdog Timer,Manual Reset,Power Fail Detection
    Low Voltage Supervisory Circuit with Watchdog
    -
    4.6V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS-artikelnummer 709-9054
    • Tillv. art.nr TPD2E009DBZR
    Var (i ett paket med 5)
    5,084 kr
    Texas Instruments
    -
    -
    -
    -
    -
    -
    -
    Surface Mount
    SOP
    3
    2.92 x 1.3 x 1mm
    -
    -
    • RS-artikelnummer 806-0732P
    • Tillv. art.nr NCP300HSN47T1G
    Varje (levereras i en rulle)
    3,505 kr
    onsemi
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS-artikelnummer 688-8828P
    • Tillv. art.nr MC33164D-5R2G
    Varje (levereras i en rulle)
    6,83 kr
    onsemi
    -
    Undervoltage Detector
    1
    4.45V
    4.15V
    -
    -
    Surface Mount
    SOIC
    8
    5 x 4 x 1.5mm
    -
    10 V
    • RS-artikelnummer 767-3478
    • Tillv. art.nr MCP120T-270I/TT
    Var (i ett paket med 10)
    5,09 kr
    Microchip
    Power Fail Detection
    -
    1
    -
    -
    Open Drain
    10µs
    Surface Mount
    SOT-23
    3
    3.04 x 1.4 x 1.02mm
    2.7V
    5.5 V
    • RS-artikelnummer 236-8878
    • Tillv. art.nr MIC803-26D2VM3-TR
    Var (i ett paket med 25)
    3,629 kr
    Microchip
    -
    Power On Reset Circuit
    1
    2.6V
    -
    -
    -
    -
    SOT-23
    3
    -
    -
    -
    • RS-artikelnummer 912-6886
    • Tillv. art.nr MCP130T-315I/TT
    Var (i en rulle med 3000)
    3,508 kr
    Microchip
    Power Fail Detection
    -
    1
    -
    -
    Open Drain
    10µs
    Surface Mount
    SOT-23
    3
    3.04 x 1.4 x 1.02mm
    3.15V
    5.5 V
    • RS-artikelnummer 246-7625
    • Tillv. art.nr SMBJ28CAQ-13-F
    Var (i ett paket med 25)
    2,511 kr
    DiodesZetex
    -
    -
    -
    -
    -
    -
    -
    -
    DO-214AA (SMB)
    2
    -
    -
    -
    • RS-artikelnummer 712-2778
    • Tillv. art.nr APX809-29SAG-7
    Var (i ett paket med 25)
    2,473 kr
    DiodesZetex
    -
    Microprocessor Reset Monitor
    1
    -
    -
    Active Low, Push-Pull
    280ms
    Surface Mount
    SOT-23
    3
    3 x 1.4 x 1mm
    3V
    5.5 V
    • RS-artikelnummer 169-7379
    • Tillv. art.nr APX823-26W5G-7
    Var (i en rulle med 3000)
    1,438 kr
    DiodesZetex
    Watchdog Timer,Manual Reset
    Microprocessor Reset Monitor
    1
    -
    -
    Active Low
    280ms
    Surface Mount
    SOT-25
    5
    3.1 x 1.7 x 1.3mm
    2.69V
    5.5 V
    • RS-artikelnummer 165-3514
    • Tillv. art.nr MCP120T-270I/TT
    Var (i en rulle med 3000)
    5,053 kr
    Microchip
    Power Fail Detection
    -
    1
    -
    -
    Open Drain
    10µs
    Surface Mount
    SOT-23
    3
    3.04 x 1.4 x 1.02mm
    2.7V
    5.5 V
    • RS-artikelnummer 662-3362
    • Tillv. art.nr TPS3808G12DBVT
    Var (i ett paket med 5)
    21,638 kr
    Texas Instruments
    Manual Reset
    -
    1
    -
    -
    Open Drain
    -
    Surface Mount
    SOT-23
    6
    2.9 x 1.6 x 1.15mm
    1.13V
    6.5 V
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