사양
| 속성 | 가치 |
| Package | Tube |
| ProductStatus | Obsolete |
| DrivenConfiguration | High-Side |
| ChannelType | Independent |
| NumberofDrivers | 4 |
| GateType | N-Channel MOSFET |
| Voltage-Supply | 7V ~ 28V |
| LogicVoltage-VILVIH | 0.8V, 2V |
| Current-PeakOutput(SourceSink) | 3A, 3A |
| InputType | Non-Inverting |
| OperatingTemperature | -25°C ~ 150°C (TJ) |
| MountingType | Through Hole |
| Package/Case | 20-DIP (0.300, 7.62mm) |
개요
Description
The LMD18400N is a type of integrated circuit (IC) typically used for motor control applications. It is manufactured by Texas Instruments and is part of their LMD series, which is designed for driving DC motors and other inductive loads. Key features of the LMD18400N include high-current capability, built-in protection features such as overcurrent and thermal shutdown, and easy interfacing with microcontrollers or other control logic.
The IC is often used in applications that require precise control of motor speed and direction, such as robotics, industrial machinery, and automotive systems. Its robust design helps ensure reliable operation across a range of environmental conditions. The LMD18400N is designed for use with a supply voltage range, typically around 12V to 55V, making it versatile for various power supply configurations.
Overall, the LMD18400N is valued for its efficiency, reliability, and ease of use in motor control projects, providing a simple solution for controlling DC motors with minimal external components.
The IC is often used in applications that require precise control of motor speed and direction, such as robotics, industrial machinery, and automotive systems. Its robust design helps ensure reliable operation across a range of environmental conditions. The LMD18400N is designed for use with a supply voltage range, typically around 12V to 55V, making it versatile for various power supply configurations.
Overall, the LMD18400N is valued for its efficiency, reliability, and ease of use in motor control projects, providing a simple solution for controlling DC motors with minimal external components.
Equivalent
The LMD18400N is a DC motor driver IC produced by National Semiconductor, now part of Texas Instruments. Equivalent products would include similar DC motor driver ICs like the L298 from STMicroelectronics, the SN754410 from Texas Instruments, and the DRV8833, also from Texas Instruments. These alternatives offer similar functionalities, such as driving DC motors, with varying specifications like supply voltage, current handling capacity, and control interfaces. Always check the specific requirements of your project to ensure compatibility.
Features
The LMD18400N is a versatile H-bridge driver designed for DC motor control applications. Key features include:
1. Voltage Range: Operates within a wide supply voltage range, typically from 12V to 55V, making it suitable for various motor control applications.
2. Output Current: Supports continuous output current, often in the range of up to 3A per channel, depending on thermal conditions and supply voltage.
3. Full-Bridge Configuration: Facilitates control of motor speed and direction by providing forward, reverse, and braking capabilities.
4. Built-in Diodes: Features integrated flyback diodes for inductive load protection, preventing voltage spikes that can damage the circuit.
5. Thermal Protection: Includes built-in thermal shutdown to prevent damage from overheating.
6. Current Sensing: Offers the ability to monitor and implement current feedback, which aids in precise motor control.
7. Efficiency: Designed to optimize power efficiency, reducing heat generation and improving performance.
8. Package: Typically available in a 5-pin TO-220 package, facilitating easy integration onto PCBs.
These features make the LMD18400N suitable for use in robotics, automotive, and industrial motor control applications.
1. Voltage Range: Operates within a wide supply voltage range, typically from 12V to 55V, making it suitable for various motor control applications.
2. Output Current: Supports continuous output current, often in the range of up to 3A per channel, depending on thermal conditions and supply voltage.
3. Full-Bridge Configuration: Facilitates control of motor speed and direction by providing forward, reverse, and braking capabilities.
4. Built-in Diodes: Features integrated flyback diodes for inductive load protection, preventing voltage spikes that can damage the circuit.
5. Thermal Protection: Includes built-in thermal shutdown to prevent damage from overheating.
6. Current Sensing: Offers the ability to monitor and implement current feedback, which aids in precise motor control.
7. Efficiency: Designed to optimize power efficiency, reducing heat generation and improving performance.
8. Package: Typically available in a 5-pin TO-220 package, facilitating easy integration onto PCBs.
These features make the LMD18400N suitable for use in robotics, automotive, and industrial motor control applications.
Pinout
The LMD18400N is a quad high-side driver integrated circuit used for controlling loads such as solenoids, relays, and lamps. It comes in a 14-pin dual in-line package (DIP).
Here is a concise breakdown of its pin functions:
1. Pin 1, 3, 5, 7 (Inputs 1-4): Control inputs for each high-side driver.
2. Pin 2, 4, 6, 8 (Ground): Ground connection for each driver.
3. Pin 9, 10, 11, 12 (Outputs 1-4): High-side outputs for each driver, connected to loads.
4. Pin 13 (V+): Power supply voltage for the IC.
5. Pin 14 (Common Load Return): Common return path for loads; connects to the power supply ground.
The LMD18400N is used for driving various loads with high current and voltage, providing protection and isolation between the control signals and the load.
Here is a concise breakdown of its pin functions:
1. Pin 1, 3, 5, 7 (Inputs 1-4): Control inputs for each high-side driver.
2. Pin 2, 4, 6, 8 (Ground): Ground connection for each driver.
3. Pin 9, 10, 11, 12 (Outputs 1-4): High-side outputs for each driver, connected to loads.
4. Pin 13 (V+): Power supply voltage for the IC.
5. Pin 14 (Common Load Return): Common return path for loads; connects to the power supply ground.
The LMD18400N is used for driving various loads with high current and voltage, providing protection and isolation between the control signals and the load.
Manufacturer
The LMD18400N is a motor driver integrated circuit manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of electronic components, including analog and embedded processing chips. TI is well-known for its innovation in developing and manufacturing products used in a variety of applications such as industrial, automotive, personal electronics, and communications equipment. TI has a significant presence in the technology industry, focusing on providing solutions that enhance the performance and efficiency of electronic systems.
Application
The LMD18400N is a high-side switch used primarily in automotive and industrial applications. It is designed for controlling small loads like relays, lamps, and solenoids. Its robust design allows it to handle harsh environments, making it suitable for automotive body electronics, such as power distribution modules and lighting control. Additionally, it can be used in industrial automation systems for motor control and load management. Its built-in protection features, including thermal and short-circuit protection, enhance its reliability in these demanding applications.
Package
The LMD18400N is typically available in a Dual In-line Package (DIP) format, which is a through-hole package used for mounting electronic components. This form factor allows for easy prototyping and soldering on breadboards or PCBs.