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L293B - STMicroelectronics

Description: L293B, Motor Driver, 4.5 → 36 V, 16-Pin PDIP

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L293B Details

  • Manufacturer Part Number:

    L293B

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • Country Of Origin:

    Mainland China, Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    5.6

  • Built-in Protections:

    OVER CURRENT; THERMAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    HALF BRIDGE BASED PERIPHERAL DRIVER

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e3

  • Number of Functions:

    2

  • Number of Terminals:

    16

  • Output Characteristics:

    3-STATE

  • Output Current Flow Direction:

    SOURCE AND SINK

  • Output Peak Current Limit-Nom:

    2 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.1 mm

  • Supply Current-Max:

    60 mA

  • Supply Voltage-Max:

    36 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

L293B Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the L293B is 36V, but it's recommended to operate it within 10-24V for optimal performance.
  • Yes, the L293B is designed to drive inductive loads like motors, but you need to ensure that the motor's inductance and the L293B's output capacitance are properly matched to prevent oscillations.
  • You can use a flyback diode (also known as a freewheeling diode) in parallel with the inductive load to protect the L293B from back-EMF. The diode should be rated for the maximum voltage and current of the load.
  • The maximum current that the L293B can handle is 1A per channel, but it's recommended to derate the current to 0.5A per channel for continuous operation to ensure reliability.
  • While the L293B can handle up to 1A per channel, it's not recommended for high-current loads. For high-current applications, consider using a more robust driver like the L298 or a dedicated motor driver IC.

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L293B Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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