사양
| 속성 | 가치 |
| Package | Bulk,Tube |
| ProductStatus | Active |
| Type | Differential |
| NumberofElements | 2 |
| OutputType | CMOS, MOS, Open-Drain, TTL |
| Voltage-SupplySingle/Dual(±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage-InputOffset(Max) | 5mV @ 30V |
| Current-InputBias(Max) | 0.25µA @ 5V |
| Current-Output(Typ) | 20mA |
| Current-Quiescent(Max) | 2.5mA |
| OperatingTemperature | -25°C ~ 85°C |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
| MountingType | Surface Mount |
개요
Description
The LM293D is a dual H-bridge motor driver IC, widely used in robotics and automation for controlling the direction and speed of small DC motors. It is designed to drive inductive loads like relays, solenoids, and motors, providing an interface between low-power control signals and high-power devices. Each channel of the LM293D can drive up to 600 mA of current, with a voltage range from 4.5V to 36V.
Key features include built-in protection diodes for back EMF, thermal shutdown, and internal ESD protection. The IC has two H-bridge circuits, allowing it to control two DC motors or one stepper motor. With enable and control inputs, it provides precise control over motor operations. The LM293D's compact design makes it ideal for integrating into various electronic projects and educational platforms. Its versatility and reliability make it a popular choice for hobbyists and engineers developing motor control applications.
Key features include built-in protection diodes for back EMF, thermal shutdown, and internal ESD protection. The IC has two H-bridge circuits, allowing it to control two DC motors or one stepper motor. With enable and control inputs, it provides precise control over motor operations. The LM293D's compact design makes it ideal for integrating into various electronic projects and educational platforms. Its versatility and reliability make it a popular choice for hobbyists and engineers developing motor control applications.
Equivalent
The LM293D is a dual H-bridge motor driver IC. Equivalent products include:
1. L293D: Very similar in functionality with minor differences.
2. SN754410: Another pin-compatible H-bridge motor driver.
3. L298N: Offers higher current capacity but with a different package.
4. DRV8833: Offers similar functionality with more features and flexibility.
5. MC33886: Provides similar motor control capabilities.
These substitutes may vary slightly in specifications, so reviewing datasheets is recommended for compatibility with your application.
1. L293D: Very similar in functionality with minor differences.
2. SN754410: Another pin-compatible H-bridge motor driver.
3. L298N: Offers higher current capacity but with a different package.
4. DRV8833: Offers similar functionality with more features and flexibility.
5. MC33886: Provides similar motor control capabilities.
These substitutes may vary slightly in specifications, so reviewing datasheets is recommended for compatibility with your application.
Features
The LM293D is a dual H-bridge motor driver integrated circuit commonly used for driving DC and stepper motors. Key features include:
1. Dual H-Bridge: It can drive two DC motors or one stepper motor.
2. Wide Operating Voltage: Supports a wide voltage range, typically from 4.5V to 36V.
3. Output Current: Can deliver up to 600 mA per channel.
4. Thermal Shutdown: Protects the IC from overheating.
5. High Noise Immunity: Ensures reliable operation in noisy environments.
6. TTL-Compatible Inputs: Compatible with standard logic levels.
7. Internal Clamp Diodes: Protects against back EMF from motors.
8. Compact Package: Available in DIP and SOIC packages for easy integration.
These features make the LM293D ideal for robotics, automation, and motor control applications.
1. Dual H-Bridge: It can drive two DC motors or one stepper motor.
2. Wide Operating Voltage: Supports a wide voltage range, typically from 4.5V to 36V.
3. Output Current: Can deliver up to 600 mA per channel.
4. Thermal Shutdown: Protects the IC from overheating.
5. High Noise Immunity: Ensures reliable operation in noisy environments.
6. TTL-Compatible Inputs: Compatible with standard logic levels.
7. Internal Clamp Diodes: Protects against back EMF from motors.
8. Compact Package: Available in DIP and SOIC packages for easy integration.
These features make the LM293D ideal for robotics, automation, and motor control applications.
Pinout
The LM293D is a dual H-bridge motor driver IC, commonly used for controlling small DC motors and stepper motors. It comes in a 16-pin dual in-line package (DIP). Here is a concise overview of its pin functions:
1. Pin 1 & Pin 9 (Enable 1, Enable 2): These are the enable pins for the two H-bridges. They must be set high to enable the respective bridge.
2. Pin 2 & Pin 15 (Input 1, Input 3): Control inputs for logic pins of the first H-bridge.
3. Pin 3 & Pin 14 (Output 1, Output 3): Outputs connected to the motor for the first H-bridge.
4. Pin 4 & Pin 13 (Ground): Common ground pins.
5. Pin 5 & Pin 12 (Output 2, Output 4): Outputs connected to the motor for the second H-bridge.
6. Pin 6 & Pin 11 (Input 2, Input 4): Control inputs for logic pins of the second H-bridge.
7. Pin 7 & Pin 10 (Vss, Supply Voltage): Supply voltage for the logic circuitry.
8. Pin 8 (Vs): Supply voltage for the motor.
16. Pin 16 (Vcc): Supply voltage for the logic part of the IC.
The LM293D is widely used in robotics and automation for its ability to drive two motors simultaneously.
1. Pin 1 & Pin 9 (Enable 1, Enable 2): These are the enable pins for the two H-bridges. They must be set high to enable the respective bridge.
2. Pin 2 & Pin 15 (Input 1, Input 3): Control inputs for logic pins of the first H-bridge.
3. Pin 3 & Pin 14 (Output 1, Output 3): Outputs connected to the motor for the first H-bridge.
4. Pin 4 & Pin 13 (Ground): Common ground pins.
5. Pin 5 & Pin 12 (Output 2, Output 4): Outputs connected to the motor for the second H-bridge.
6. Pin 6 & Pin 11 (Input 2, Input 4): Control inputs for logic pins of the second H-bridge.
7. Pin 7 & Pin 10 (Vss, Supply Voltage): Supply voltage for the logic circuitry.
8. Pin 8 (Vs): Supply voltage for the motor.
16. Pin 16 (Vcc): Supply voltage for the logic part of the IC.
The LM293D is widely used in robotics and automation for its ability to drive two motors simultaneously.
Manufacturer
The LM293D is a dual differential comparator, and it is manufactured by several companies, including Texas Instruments and STMicroelectronics. Texas Instruments, often abbreviated as TI, is a major American technology company that designs and manufactures semiconductors and various integrated circuits. The company is well-known for its development of analog, embedded processing, and digital signal processing (DSP) solutions.
STMicroelectronics, on the other hand, is a multinational electronics and semiconductor manufacturer headquartered in Switzerland. It develops and supplies a wide array of semiconductor products, including discrete and standard commodity components, as well as application-specific integrated circuits (ASICs) and application-specific standard products (ASSPs) for various applications.
Both Texas Instruments and STMicroelectronics are leading players in the global semiconductor industry, known for their innovation and comprehensive product portfolios that cater to a vast range of industries including automotive, industrial, personal electronics, communications equipment, and more.
STMicroelectronics, on the other hand, is a multinational electronics and semiconductor manufacturer headquartered in Switzerland. It develops and supplies a wide array of semiconductor products, including discrete and standard commodity components, as well as application-specific integrated circuits (ASICs) and application-specific standard products (ASSPs) for various applications.
Both Texas Instruments and STMicroelectronics are leading players in the global semiconductor industry, known for their innovation and comprehensive product portfolios that cater to a vast range of industries including automotive, industrial, personal electronics, communications equipment, and more.
Application
The LM293D is a dual H-bridge motor driver IC commonly used in robotics and automation applications. It is ideal for driving small DC motors and stepper motors. Key application areas include:
1. Robotics: Used to control the movement of robot wheels or arms.
2. Automated Systems: Powers motors in conveyor belts or automated guided vehicles (AGVs).
3. DIY Electronics Projects: Popular in hobbyist projects for controlling small motors.
4. Remote-Controlled Cars: Drives the motors for wheels and steering mechanisms.
5. Educational Kits: Used in kits to teach motor control and electronics.
6. Home Automation: Powers motors in devices like automated curtains or smart locks.
1. Robotics: Used to control the movement of robot wheels or arms.
2. Automated Systems: Powers motors in conveyor belts or automated guided vehicles (AGVs).
3. DIY Electronics Projects: Popular in hobbyist projects for controlling small motors.
4. Remote-Controlled Cars: Drives the motors for wheels and steering mechanisms.
5. Educational Kits: Used in kits to teach motor control and electronics.
6. Home Automation: Powers motors in devices like automated curtains or smart locks.
Package
The LM293D is typically packaged in a Dual In-line Package (DIP), specifically a 16-pin DIP. This package type is common for integrated circuits like motor drivers, allowing for easy insertion into breadboards or sockets for prototyping and development purposes.
