L6219DSA

Product Overview

• Category: Integrated Circuit
• Use: Motor Driver
• Characteristics: High voltage, high current, bipolar stepper motor driver
• Package: PowerSO20 package
• Essence: The L6219DSA is a versatile motor driver IC designed to drive bipolar stepper motors in various applications.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Operating Voltage: 12V to 48V
• Output Current: Up to 1.5A per phase
• Output Voltage: Up to 50V
• Logic Inputs: Compatible with 3.3V and 5V logic levels
• Protection Features: Thermal shutdown, overcurrent protection, undervoltage lockout

Pin Configuration

The L6219DSA has a total of 20 pins, which are configured as follows:

1. VREF - Reference voltage for the output current
2. OUT1 - Output 1 of Phase A
3. OUT2 - Output 2 of Phase A
4. GND - Ground
5. VCC - Positive supply voltage
6. SLP - Sleep mode control input
7. RST - Reset input
8. IN1 - Input 1 of Phase A
9. IN2 - Input 2 of Phase A
10. IN3 - Input 1 of Phase B
11. IN4 - Input 2 of Phase B
12. OUT3 - Output 1 of Phase B
13. OUT4 - Output 2 of Phase B
14. REF - Reference voltage for internal circuitry
15. OSC - Oscillator frequency selection
16. VCP - Charge pump capacitor connection
17. CP1 - Charge pump capacitor connection
18. CP2 - Charge pump capacitor connection
19. VCP - Charge pump voltage
20. GND - Ground

Functional Features

• Full bridge motor driver with integrated power DMOS transistors
• Adjustable output current through external resistors
• Half-step and full-step drive modes
• Built-in protection features for safe operation
• Low quiescent current in standby mode

Advantages and Disadvantages

Advantages

• High voltage and current capability for driving stepper motors
• Versatile functionality with adjustable output current
• Integrated protection features ensure safe operation
• Low power consumption in standby mode

Disadvantages

• Limited to bipolar stepper motor applications
• Requires external resistors for adjusting output current

Working Principles

The L6219DSA operates by controlling the current flow through the motor windings of a bipolar stepper motor. It utilizes a full bridge configuration with integrated power DMOS transistors to drive the motor coils. The output current can be adjusted through external resistors, allowing for precise control of the motor's movement.

Application Field Plans

The L6219DSA is commonly used in various applications that require precise control of bipolar stepper motors. Some potential application fields include:

1. Robotics: Controlling the movement of robotic arms and joints.
2. CNC Machines: Positioning and controlling the movement of cutting tools.
3. 3D Printers: Precise control of the print head movement.
4. Automated Equipment: Driving conveyor belts, linear actuators, and other automated mechanisms.

Alternative Models

For those seeking alternative options, the following motor driver ICs can be considered:

1. L297/L298: Dual full bridge driver with similar functionality.
2. A4988: Stepper motor driver with built-in microstepping capability.
3. DRV8825: High-current stepper motor driver with adjustable current control.

These alternative models offer similar features and can be suitable replacements for the L6219DSA in various applications.

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