L6201PSTR

Product Overview

Category: Integrated Circuit (IC)

Use: Motor Driver

Characteristics: - Dual full-bridge driver - Designed for bipolar stepper motor control - Suitable for use in printers, scanners, and other office automation equipment - Can also be used in industrial applications such as robotics and CNC machines

Package: PowerSO20

Essence: The L6201PSTR is a dual full-bridge driver IC specifically designed for controlling bipolar stepper motors. It provides an efficient and compact solution for driving stepper motors in various applications.

Packaging/Quantity: The L6201PSTR is available in a PowerSO20 package. Each package contains one IC.

Specifications

• Supply Voltage Range: 8V to 52V
• Output Current: Up to 2A per bridge
• Output Voltage: Up to 52V
• Operating Temperature Range: -25°C to +130°C
• Logic Inputs Compatible with TTL/CMOS

Detailed Pin Configuration

The L6201PSTR has a total of 20 pins. The pin configuration is as follows:

1. OUT1A
2. OUT1B
3. GND
4. VCC
5. VS
6. OUT2A
7. OUT2B
8. REF
9. SENSE1
10. SENSE2
11. VREF
12. VSENSE
13. VCP
14. CP1
15. CP2
16. CP3
17. CP4
18. CP5
19. CP6
20. CP7

Functional Features

• Dual full-bridge configuration allows independent control of two stepper motors.
• Internal PWM current control ensures precise current regulation.
• Overtemperature and short-circuit protection features enhance system safety.
• Logic inputs are compatible with TTL/CMOS, making it easy to interface with microcontrollers and other control systems.

Advantages and Disadvantages

Advantages: - Compact and efficient design - Precise current regulation - Overtemperature and short-circuit protection - Easy interfacing with microcontrollers

Disadvantages: - Limited output current (up to 2A per bridge) - Restricted supply voltage range (8V to 52V)

Working Principles

The L6201PSTR operates by controlling the current flow through the stepper motor windings. It uses a dual full-bridge configuration to independently control the current direction and magnitude for each winding. The internal PWM current control ensures precise regulation of the motor current, resulting in accurate positioning and smooth motion.

Detailed Application Field Plans

The L6201PSTR is widely used in various applications that require precise control of bipolar stepper motors. Some common application fields include:

1. Printers and Scanners: The L6201PSTR can be used to drive the stepper motors responsible for paper feeding, carriage movement, and scanning head positioning in printers and scanners.

2. Office Automation Equipment: It finds applications in office automation equipment such as copiers, fax machines, and document shredders, where precise motor control is essential.

3. Industrial Automation: The L6201PSTR is suitable for industrial automation applications like robotics, CNC machines, and automated assembly lines, where accurate motor control is crucial for precise movements and operations.

Detailed and Complete Alternative Models

Some alternative models to the L6201PSTR that provide similar functionality for driving bipolar stepper motors include:

1. L297/L298: These ICs offer dual full-bridge driver functionality along with additional features like step and direction control signals.

2. A4988: This popular stepper motor driver IC provides a compact and cost-effective solution for driving bipolar stepper motors.

3. DRV8825: Another widely used stepper motor driver IC that offers high current capability and microstepping support.

In conclusion, the L6201PSTR is a dual full-bridge driver IC designed for controlling bipolar stepper motors in various applications. Its compact design, precise current regulation, and compatibility with TTL/CMOS logic inputs make it a suitable choice for driving stepper motors in printers, scanners, office automation equipment, and industrial automation systems. Alternative models such as L297/L298, A4988, and DRV8825 also provide similar functionality for driving bipolar stepper motors.