STMicroelectronics
Billedet kan være en repræsentation.
Se specifikationer for produktdetaljer.
L6203
Se detaljer DataSheets

L6203

Product Overview

  • Category: Integrated Circuit
  • Use: Motor Driver
  • Characteristics: High voltage, high current, dual full-bridge driver
  • Package: Multiwatt15
  • Essence: Power MOSFET and bipolar technology integration
  • Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

  • Operating Voltage: 12V to 48V
  • Output Current: Up to 5A per channel
  • Peak Output Current: Up to 7A per channel
  • Maximum Supply Voltage: 55V
  • Standby Current: Less than 10µA
  • Thermal Shutdown: Yes
  • Cross-Conduction Protection: Yes

Pin Configuration

The L6203 has a total of 15 pins. The pin configuration is as follows:

  1. OUT1A - Output 1A
  2. VCC - Positive supply voltage
  3. GND - Ground
  4. OUT1B - Output 1B
  5. OUT2A - Output 2A
  6. OUT2B - Output 2B
  7. ENABLE - Enable input
  8. REF - Reference voltage
  9. IN1A - Input 1A
  10. IN1B - Input 1B
  11. VREF - Voltage reference output
  12. IN2A - Input 2A
  13. IN2B - Input 2B
  14. VS - Sense voltage
  15. VCP - Charge pump capacitor

Functional Features

  • Dual full-bridge driver capable of driving two DC motors or one stepper motor
  • Built-in protection features such as thermal shutdown and cross-conduction protection
  • Low standby current for power-saving operation
  • High output current capability for driving high-power loads
  • Wide operating voltage range for versatile applications

Advantages and Disadvantages

Advantages: - Integration of power MOSFET and bipolar technology provides high performance - Robust protection features ensure safe operation - Versatile operating voltage range allows for various applications - High output current capability enables driving of high-power loads

Disadvantages: - Limited to a maximum supply voltage of 55V - Tube packaging may not be suitable for all applications - Requires careful thermal management due to high power dissipation

Working Principles

The L6203 is based on the integration of power MOSFET and bipolar technology. It consists of two full-bridge drivers, each capable of driving two DC motors or one stepper motor. The device operates by controlling the input signals to the bridge drivers, which in turn control the direction and speed of the connected motor(s). The integrated protection features ensure safe operation by monitoring temperature and preventing cross-conduction.

Detailed Application Field Plans

The L6203 is widely used in various applications that require high voltage and high current motor control. Some common application fields include:

  1. Robotics: The L6203 is used in robotic systems to control the movement of robotic arms, legs, or other motorized components.
  2. Automotive: It finds applications in automotive systems such as electric power steering, seat adjustment, and window control.
  3. Industrial Automation: The L6203 is utilized in industrial automation equipment for controlling conveyor belts, pumps, and other motor-driven machinery.
  4. Home Appliances: It is employed in appliances like washing machines, dishwashers, and air conditioners for motor control.

Detailed and Complete Alternative Models

Some alternative models to the L6203 that offer similar functionality are:

  1. L298N: Dual full-bridge driver with integrated power MOSFETs, suitable for driving DC motors and stepper motors.
  2. DRV8825: Stepper motor driver with built-in protection features and high current capability.
  3. TB6600: Bipolar stepper motor driver with adjustable current control and high voltage capability.

These alternative models can be considered based on specific application requirements and design constraints.

Word count: 530 words

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af L6203 i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of L6203 in technical solutions:

  1. Q: What is the L6203? A: The L6203 is a dual full-bridge driver IC designed for driving bipolar stepper motors or bidirectional DC motors.

  2. Q: What is the maximum voltage rating of the L6203? A: The L6203 has a maximum voltage rating of 48V.

  3. Q: What is the maximum current rating of the L6203? A: The L6203 has a maximum current rating of 5A per bridge.

  4. Q: Can the L6203 be used with microcontrollers? A: Yes, the L6203 can be easily controlled by microcontrollers through its input pins.

  5. Q: How many control inputs does the L6203 have? A: The L6203 has four control inputs, two for each bridge.

  6. Q: Can the L6203 handle PWM signals for speed control? A: Yes, the L6203 can handle PWM signals for precise speed control of motors.

  7. Q: Is the L6203 protected against overcurrent and thermal issues? A: Yes, the L6203 includes built-in protection features like overcurrent shutdown and thermal shutdown.

  8. Q: Can the L6203 be used for both forward and reverse motor rotation? A: Yes, the L6203 can drive motors in both forward and reverse directions.

  9. Q: Can I parallel multiple L6203 ICs to increase the current capacity? A: Yes, you can parallel multiple L6203 ICs to increase the overall current capacity.

  10. Q: Are there any recommended external components for using the L6203? A: Yes, it is recommended to use flyback diodes across the motor terminals and decoupling capacitors for stable operation.

Please note that these answers are general and may vary depending on specific application requirements.