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SN75477DR - Texas Instruments

Description: Dual Peripheral Drivers

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SN75477DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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SN75477DR - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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SN75477DR Details

  • Manufacturer Part Number:

    SN75477DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SO-8

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Built-in Protections:

    TRANSIENT

  • Driver Number of Bits:

    2

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    NAND GATE BASED PERIPHERAL DRIVER

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    OPEN-COLLECTOR

  • Output Current Flow Direction:

    SINK

  • Output Current-Max:

    0.4 A

  • Output Peak Current Limit-Nom:

    0.5 A

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    75 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Turn-off Time:

    0.35 µs

  • Turn-on Time:

    0.35 µs

  • Width:

    3.9 mm

SN75477DR Frequently Asked Questions (FAQs)

  • The SN75477DR can handle a maximum current of 1A per channel, with a total current limit of 2A for all channels combined.
  • To protect the SN75477DR from back-EMF, you can add a flyback diode (also known as a freewheeling diode) in parallel with the inductive load. This diode allows the current to continue flowing when the switch is turned off, preventing the back-EMF from damaging the device.
  • The SN75477DR requires a minimum input voltage of 4.5V to operate properly. However, it's recommended to use a voltage of at least 5V to ensure reliable operation.
  • Yes, the SN75477DR can be used to drive a relay. However, you need to ensure that the relay's coil current is within the device's current rating, and that you provide a suitable flyback diode to protect the device from back-EMF.
  • To reduce the power dissipation of the SN75477DR, you can use a heat sink, reduce the operating frequency, or use a lower voltage supply. You can also consider using a more efficient driver IC or a MOSFET-based solution.

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SN75477DR 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 SN75477DE4 Texas Instruments

NAND Gate Based Peripheral Driver, 2 Driver, 0.5A, BIPolar, PDSO8

Part Image SN75477DRE4 Texas Instruments

NAND Gate Based Peripheral Driver, 2 Driver, 0.5A, BIPolar, PDSO8