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TPS3705-50DGNR - Texas Instruments

Description: Processor Supervisory Circuit With Power-Fail and Integrated Watchdog Timer

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TPS3705-50DGNR Details

  • Manufacturer Part Number:

    TPS3705-50DGNR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MSOP

  • Pin Count:

    8

  • Country Of Origin:

    Mainland China, Malaysia, Philippines, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    VOLTAGE SUPERVISOR/RESET IC

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.07 mm

  • Supply Current-Max (Isup):

    0.05 mA

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +4.55V

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3 mm

TPS3705-50DGNR Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the VIN pin is 28V, but it's recommended to keep it below 24V for reliable operation.
  • The R1 and R2 resistors set the threshold voltage. Choose R1 and R2 such that the ratio of R1 to R2 is equal to the desired threshold voltage divided by the internal reference voltage (1.2V). For example, for a 12V threshold, R1/R2 = 12V/1.2V = 10.
  • The DELAY pin is used to set the delay time between the power-good signal and the output voltage. It's typically connected to a capacitor to ground, and the delay time is proportional to the capacitance value.
  • Yes, the TPS3705-50DGNR can be used as a voltage supervisor for a 3.3V system. The threshold voltage can be set to 3.3V by choosing the correct R1 and R2 resistor values.
  • The minimum input voltage required for the TPS3705-50DGNR to operate is 2.7V, but it's recommended to keep it above 3V for reliable operation.

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TPS3705-50DGNR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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Part Image TPS3705-50DGN Texas Instruments

Voltage Supervisor/Reset IC, Fixed, 2 Channel, +4.55V, CMOS, PDSO8

Part Image TPS3705-50DGNG4 Texas Instruments

Voltage Supervisor/Reset IC, Fixed, 2 Channel, +4.55V, CMOS, PDSO8

Part Image TPS3705-50DGNRG4 Texas Instruments

Voltage Supervisor/Reset IC, Fixed, 1 Channel, +4.55V, CMOS, PDSO8