STMicroelectronics
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
L6730

L6730

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Motor driver
  • Characteristics: High voltage, high current, compact size
  • Package: DIP-16 (Dual In-line Package with 16 pins)
  • Essence: Power MOSFET and control circuitry integrated into a single chip
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Operating Voltage: 12V - 48V
  • Output Current: Up to 5A
  • Operating Temperature: -40°C to +125°C
  • Control Interface: PWM (Pulse Width Modulation)
  • Protection Features: Overcurrent protection, thermal shutdown, undervoltage lockout

Pin Configuration

The L6730 IC has a total of 16 pins. The pin configuration is as follows:

  1. VCC - Power supply voltage
  2. GND - Ground reference
  3. IN1 - Input 1 for motor control
  4. IN2 - Input 2 for motor control
  5. OUT1 - Output 1 for motor control
  6. OUT2 - Output 2 for motor control
  7. VREF - Reference voltage for internal control circuitry
  8. VSENSE - Sense voltage input for overcurrent protection
  9. VCP - Charge pump capacitor connection
  10. CP - Charge pump output
  11. VS - Supply voltage for charge pump
  12. NC - Not connected
  13. NC - Not connected
  14. NC - Not connected
  15. NC - Not connected
  16. NC - Not connected

Functional Features

  • Integrated power MOSFETs for efficient motor control
  • Built-in protection features for safe operation
  • PWM control interface for precise speed and direction control
  • Compact size for space-constrained applications
  • High voltage and current capability for driving various types of motors

Advantages and Disadvantages

Advantages: - Compact size saves board space - Integrated power MOSFETs simplify circuit design - Built-in protection features enhance system reliability - Wide operating voltage range allows flexibility in motor selection

Disadvantages: - Limited output current compared to some other motor drivers - Higher cost compared to discrete motor driver solutions

Working Principles

The L6730 is a motor driver IC that utilizes power MOSFETs to control the speed and direction of a motor. It operates based on the input signals received through the control interface (IN1, IN2). The internal control circuitry generates the necessary PWM signals to drive the power MOSFETs (OUT1, OUT2) accordingly. The charge pump circuitry ensures proper gate drive voltage for the MOSFETs. The IC also incorporates protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout to safeguard the motor and the driver circuit.

Application Field Plans

The L6730 motor driver IC finds applications in various fields, including:

  1. Robotics: Controlling motors in robotic systems for precise movement.
  2. Automotive: Driving motors in automotive applications such as power windows, seat adjustments, and HVAC systems.
  3. Industrial Automation: Motor control in conveyor belts, pumps, and other industrial machinery.
  4. Home Appliances: Controlling motors in appliances like washing machines, dishwashers, and vacuum cleaners.
  5. Consumer Electronics: Motor control in devices like drones, camera gimbals, and RC toys.

Alternative Models

Some alternative models to the L6730 motor driver IC are:

  1. L298N: Dual full-bridge motor driver with similar specifications.
  2. DRV8833: Dual H-bridge motor driver with lower voltage and current ratings.
  3. TB6612FNG: Dual motor driver with built-in protection features and compact size.

These alternative models offer similar functionality and can be considered based on specific application requirements.

Word count: 439 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L6730 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L6730 in technical solutions:

  1. Q: What is L6730? A: L6730 is a high-voltage, high-current stepper motor driver IC.

  2. Q: What is the maximum voltage and current that L6730 can handle? A: L6730 can handle a maximum voltage of 45V and a maximum current of 3A.

  3. Q: What type of motors can be driven by L6730? A: L6730 can drive both bipolar and unipolar stepper motors.

  4. Q: How does L6730 control the stepper motor? A: L6730 uses a chopper control technique to regulate the current flowing through the motor windings.

  5. Q: Can L6730 microstep the motor? A: Yes, L6730 supports microstepping up to 1/16th of a step.

  6. Q: Does L6730 have built-in protection features? A: Yes, L6730 has built-in overcurrent, thermal shutdown, and undervoltage lockout protections.

  7. Q: Can L6730 be used in automotive applications? A: Yes, L6730 is suitable for automotive applications as it meets the necessary standards and requirements.

  8. Q: What is the communication interface supported by L6730? A: L6730 supports a standard SPI (Serial Peripheral Interface) for communication with a microcontroller.

  9. Q: Can L6730 operate in a standalone mode without a microcontroller? A: Yes, L6730 can operate in standalone mode using its internal step and direction inputs.

  10. Q: Are there any evaluation boards available for L6730? A: Yes, STMicroelectronics provides evaluation boards and development kits for L6730 to facilitate testing and prototyping.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.