L293DNE

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L293DNE

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IC MTR DRV BIPOLAR 4.5-36V 16DIP

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  • メーカー品番 #L293DNE

  • データシート L293DNE DataSheet

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仕様

属性
Part Status Active
Motor Type - Stepper Bipolar
Motor Type - AC, DC Brushed DC
Function Driver - Fully Integrated, Control and Power Stage
Output Configuration Half Bridge (4)
Interface Parallel
Technology Bipolar
Applications General Purpose
Current - Output 600mA
Voltage - Supply 4.5V ~ 36V
Voltage - Load 4.5V ~ 36V
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Through Hole
Package / Case 16-DIP (0.300", 7.62mm)
Supplier Device Package 16-PDIP
Base Product Number L293

概要

Description

The L293DNE is a dual H-bridge motor driver IC designed for controlling small DC motors and stepper motors. It allows for bidirectional control of motors, enabling them to rotate in both clockwise and counterclockwise directions. The chip can drive up to two DC motors simultaneously or a single stepper motor.
With a voltage range of 4.5V to 36V and a current capacity of 600mA per channel (1.2A peak), the L293DNE is suitable for various applications including robotics, automation, and DIY projects. It features built-in diodes for back EMF protection, making it robust against voltage spikes caused by motor operation.
Control is achieved via input pins connected to a microcontroller, which dictate the motor's speed and direction using PWM (Pulse Width Modulation) signals. Its compact design and ease of use make the L293DNE a popular choice among hobbyists and engineers for motor control applications.

Equivalent

Equivalent products to the L293DNE chip include the L298, SN754410, and L293B. These ICs also function as dual H-bridge drivers, allowing for the control of DC motors and stepper motors. They provide similar voltage and current ratings, but check datasheets for specific features and pin configurations, as they may vary slightly.

Features

The L293DNE is a dual H-bridge motor driver integrated circuit designed to control DC motors and stepper motors. Key features include:
1. Dual H-Bridge Configuration: Capable of controlling two motors independently for bidirectional operation.
2. Voltage Range: Supports motor supply voltages from 4.5V to 36V.
3. Current Rating: Each channel can handle up to 600mA, with peak currents up to 1.2A.
4. Thermal Protection: Features thermal shutdown for safe operation under high temperatures.
5. Logic-Level Compatibility: Accepts standard TTL logic levels for control signals.
6. Built-in Diodes: Includes flyback diodes for back EMF protection, enhancing longevity and reliability.
7. Compact Package: Available in a 16-pin DIP or surface mount, facilitating easy integration into projects.
These attributes make the L293DNE suitable for robotics, automation, and various motor control applications.

Pinout

The L293DNE is a quadruple high-current half-H driver IC used for driving DC motors and stepper motors. It has a total of 16 pins.
Pin Functions:
1. 1: Enable 1 (for motor A)
2. 2: Input 1 (for motor A)
3. 3: Output 1 (to motor A)
4. 4: Ground
5. 5: Output 2 (to motor A)
6. 6: Input 2 (for motor A)
7. 7: Enable 2 (for motor B)
8. 8: Input 3 (for motor B)
9. 9: Output 3 (to motor B)
10. 10: Ground
11. 11: Output 4 (to motor B)
12. 12: Input 4 (for motor B)
13. 13: Vs (supply voltage)
14. 14: PWM (optional for speed control)
15. 15: Ground
16. 16: Vs (supply voltage)
The L293DNE can control two motors independently and provides thermal shutdown and overload protection.

Manufacturer

The L293DNE is manufactured by Texas Instruments (TI), a multinational technology company. Founded in 1930, Texas Instruments is known for its development and production of semiconductor products and various integrated circuits. The company specializes in analog and embedded processing solutions, and it serves a wide array of markets, including automotive, industrial, communications, and consumer electronics.
Texas Instruments is recognized for its innovation in the semiconductor industry, with a strong focus on research and development. The L293DNE is a popular quadruple high-current BTL (bridge-tied load) driver used for driving motors and other inductive loads, making it widely utilized in robotics and automation applications. TI's contributions to electronics and its extensive product portfolio make it a leading player in the global semiconductor market.

Application

The L293DNE is a dual H-bridge motor driver commonly used in robotics and automation applications. It allows for the control of DC motors, stepper motors, and even small servos. Key application areas include:
1. Robotics: Drive wheels or actuators in robotic systems.
2. Automated Systems: Control of conveyor belts or automation equipment.
3. Consumer Electronics: Usage in toys and hobby projects for motor control.
4. Home Automation: Operating motors in window blinds, gates, or other appliances.
5. Prototyping: Ideal for educational and experimental setups in electronics.
Its versatility and ease of use make it popular in these domains.

Package

The L293DNE is typically available in a 16-pin DIP (Dual In-line Package) format. This package type allows for easy mounting on printed circuit boards and facilitates connections with other components in electronic circuits.