SN75477P

Product Overview

Category

SN75477P belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a driver for bipolar stepper motors.

Characteristics

• High voltage capability
• Low power consumption
• Wide operating temperature range
• Compact package size

Package

SN75477P is available in a 16-pin plastic dual in-line package (PDIP).

Essence

The essence of SN75477P lies in its ability to control and drive bipolar stepper motors efficiently.

Packaging/Quantity

SN75477P is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage: 4.75V to 7V
• Output Current: Up to 1A per channel
• Operating Temperature Range: -40°C to +85°C
• Logic Input Voltage: 0V to VCC
• Package Type: PDIP-16

Detailed Pin Configuration

1. Enable 1
2. Phase 1B
3. Phase 1A
4. Ground
5. Phase 2A
6. Phase 2B
7. VCC
8. Output 1A
9. Output 1B
10. Output 2A
11. Output 2B
12. Motor Supply Voltage
13. Sense 1
14. Sense 2
15. Enable 2
16. Not Connected

Functional Features

• Dual H-bridge configuration
• Built-in protection diodes
• Enable/disable control for each motor
• Sense pins for current sensing
• Bidirectional control of motor rotation

Advantages

• High voltage capability allows driving of various stepper motors
• Low power consumption ensures energy efficiency
• Wide operating temperature range enables usage in extreme environments
• Compact package size facilitates integration into space-constrained designs

Disadvantages

• Limited output current may restrict usage with high-power stepper motors
• Lack of built-in microstepping capability limits fine motor control
• Not suitable for driving unipolar stepper motors

Working Principles

SN75477P operates by receiving control signals from a microcontroller or other control circuitry. These signals determine the direction and speed of the connected bipolar stepper motor. The IC's internal H-bridge configuration allows bidirectional control of motor rotation.

Detailed Application Field Plans

SN75477P finds applications in various fields, including:

1. Robotics: Controlling the movement of robotic arms and joints.
2. CNC Machines: Driving the motion of axes in computer numerical control machines.
3. 3D Printers: Controlling the positioning of the print head.
4. Automated Systems: Enabling precise control of automated systems requiring stepper motor control.

Detailed and Complete Alternative Models

Some alternative models to SN75477P that serve similar purposes include:

1. L293D
2. ULN2003A
3. DRV8825
4. A4988

These alternatives offer different features and specifications, providing flexibility in choosing the most suitable driver for specific applications.

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