Спецификации
| Атрибут | Ценность |
| Package | Bulk,Tube |
| ProductStatus | Not For New Designs |
| MotorType-Stepper | Bipolar |
| MotorType-ACDC | Brushed DC |
| Function | Driver - Fully Integrated, Control and Power Stage |
| OutputConfiguration | Low Side (2) |
| Interface | Parallel |
| Technology | Bi-CMOS, DMOS |
| Applications | General Purpose |
| Current-Output | 3A |
| Voltage-Supply | 12V ~ 55V |
| Voltage-Load | 12V ~ 55V |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Through Hole |
| Package/Case | TO-220-11 (Formed Leads) |
Обзор
Description
The LMD18200T is a monolithic integrated H-bridge motor driver designed for driving DC and stepper motors in various applications. It is manufactured by Texas Instruments and is known for its robustness and versatility. Key features of the LMD18200T include a wide operating voltage range of 12V to 55V, continuous output current capability of up to 3A, and peak currents of up to 6A, making it suitable for medium-power motor control applications.
The device integrates several protection features such as thermal shutdown, current sensing, and flyback diodes for inductive load protection. It offers a pulse-width modulation (PWM) input for speed control and direction control inputs for reversing motor direction. The LMD18200T is easy to implement in designs due to its simple pin configuration and requires few external components.
Common applications include robotics, industrial automation, and any system requiring precise motor control. Its power-dissipating capability and rugged design make it suitable for demanding environments. The device is available in a TO-220 package, facilitating easy heat dissipation and mounting.
The device integrates several protection features such as thermal shutdown, current sensing, and flyback diodes for inductive load protection. It offers a pulse-width modulation (PWM) input for speed control and direction control inputs for reversing motor direction. The LMD18200T is easy to implement in designs due to its simple pin configuration and requires few external components.
Common applications include robotics, industrial automation, and any system requiring precise motor control. Its power-dissipating capability and rugged design make it suitable for demanding environments. The device is available in a TO-220 package, facilitating easy heat dissipation and mounting.
Equivalent
The LMD18200T is a popular H-bridge motor driver. Equivalent products that offer similar functionality include the TI DRV8840, DRV8841, and DRV8842; the STMicroelectronics L6203 and L298; the Allegro A4950 and A3959; and the Infineon BTN8982TA. These alternatives may differ in specifications like voltage, current ratings, and features, so it's essential to check the datasheets to ensure compatibility with your specific application requirements.
Features
The LMD18200T is a versatile H-bridge designed for DC motor control applications. Key features include:
1. High Current Handling: It can deliver continuous output currents up to 3A and can handle peak currents up to 6A, suitable for driving medium-sized DC motors.
2. Wide Supply Voltage Range: Supports supply voltages from 12V to 55V, offering flexibility across various applications.
3. Integrated Protection: Features built-in thermal shutdown, current sensing, and current limiting to safeguard the device and connected components.
4. Diode Protection: Includes flyback diodes for protection against voltage spikes caused by motor back EMF.
5. PWM Control: Capable of handling pulse-width modulation (PWM) inputs up to 50kHz, allowing precise speed and torque control of motors.
6. TTL/CMOS Compatibility: Input logic levels are compatible with TTL or CMOS, simplifying interfacing with microcontrollers.
7. Robust Package: Comes in a TO-220 package, providing easy mounting and efficient heat dissipation.
These features make the LMD18200T ideal for robotics, industrial automation, and other motor control projects requiring reliable and efficient performance.
1. High Current Handling: It can deliver continuous output currents up to 3A and can handle peak currents up to 6A, suitable for driving medium-sized DC motors.
2. Wide Supply Voltage Range: Supports supply voltages from 12V to 55V, offering flexibility across various applications.
3. Integrated Protection: Features built-in thermal shutdown, current sensing, and current limiting to safeguard the device and connected components.
4. Diode Protection: Includes flyback diodes for protection against voltage spikes caused by motor back EMF.
5. PWM Control: Capable of handling pulse-width modulation (PWM) inputs up to 50kHz, allowing precise speed and torque control of motors.
6. TTL/CMOS Compatibility: Input logic levels are compatible with TTL or CMOS, simplifying interfacing with microcontrollers.
7. Robust Package: Comes in a TO-220 package, providing easy mounting and efficient heat dissipation.
These features make the LMD18200T ideal for robotics, industrial automation, and other motor control projects requiring reliable and efficient performance.
Pinout
The LMD18200T is a monolithic H-bridge designed for driving DC and stepper motors. It typically comes in an 11-pin package. Here's a brief overview of its pin functions:
1. Output 1 (OUT1) - Motor connection.
2. Bootstrap (Bootstrap) - Connects to a bootstrap capacitor, used for high-side gate drive.
3. Ground (GND) - Ground connection for the device.
4. Vcc (Vcc) - Supply voltage for the logic circuitry.
5. Direction (DIR) - Determines the direction of the motor.
6. Brake (BRAKE) - Engages motor braking.
7. Current Sense (ISENSE) - Provides a voltage proportional to the output current, used for current monitoring.
8. Reference Voltage (REF) - Voltage reference for current sensing and other functions.
9. Enable (EN) - Enables or disables the outputs.
10. Output 2 (OUT2) - Motor connection.
11. Supply Voltage (Vs) - Main supply voltage for the motor drive section.
This pin configuration allows the LMD18200T to control motor direction, speed, and braking, making it suitable for various motor control applications.
1. Output 1 (OUT1) - Motor connection.
2. Bootstrap (Bootstrap) - Connects to a bootstrap capacitor, used for high-side gate drive.
3. Ground (GND) - Ground connection for the device.
4. Vcc (Vcc) - Supply voltage for the logic circuitry.
5. Direction (DIR) - Determines the direction of the motor.
6. Brake (BRAKE) - Engages motor braking.
7. Current Sense (ISENSE) - Provides a voltage proportional to the output current, used for current monitoring.
8. Reference Voltage (REF) - Voltage reference for current sensing and other functions.
9. Enable (EN) - Enables or disables the outputs.
10. Output 2 (OUT2) - Motor connection.
11. Supply Voltage (Vs) - Main supply voltage for the motor drive section.
This pin configuration allows the LMD18200T to control motor direction, speed, and braking, making it suitable for various motor control applications.
Manufacturer
The LMD18200T is manufactured by Texas Instruments. Texas Instruments is a global technology company that designs and produces semiconductors and various integrated circuits. It is well-known for its innovation in the electronics industry, providing a wide range of products including analog chips, embedded processors, and digital light processing (DLP) technology. The company serves numerous sectors such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments focuses on developing reliable and efficient solutions to support advancements in technology across diverse applications.
Application
The LMD18200T is a versatile H-bridge motor driver used in various applications. Key areas include:
1. Robotics: For precise control of DC motors in robotic arms and mobile robots.
2. Industrial Automation: In conveyor belts and automated machinery for motion control.
3. Automotive Systems: For electric window lifts, seat adjustments, and sunroof mechanisms.
4. Consumer Electronics: In devices requiring motorized movements, like printers and scanners.
5. Home Automation: For controlling motors in smart blinds and curtains.
6. Aerospace and Defense: In motor control systems for UAVs and other equipment.
Its ability to manage high current loads and provide thermal protection makes it suitable for these applications.
1. Robotics: For precise control of DC motors in robotic arms and mobile robots.
2. Industrial Automation: In conveyor belts and automated machinery for motion control.
3. Automotive Systems: For electric window lifts, seat adjustments, and sunroof mechanisms.
4. Consumer Electronics: In devices requiring motorized movements, like printers and scanners.
5. Home Automation: For controlling motors in smart blinds and curtains.
6. Aerospace and Defense: In motor control systems for UAVs and other equipment.
Its ability to manage high current loads and provide thermal protection makes it suitable for these applications.
Package
The LMD18200T is a high-current H-bridge motor driver integrated circuit housed in a TO-220 package. This package type is known for its ability to handle higher power and current levels while providing good heat dissipation through its metal tab, which can be attached to a heat sink.