MCP8025AT-115H/MPVAO

Product Overview

Category

The MCP8025AT-115H/MPVAO belongs to the category of integrated circuits (ICs).

Use

This product is primarily used in motor control applications.

Characteristics

• Integrated circuit for motor control
• High performance and reliability
• Compact package size
• Low power consumption

Package

The MCP8025AT-115H/MPVAO is available in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of this product lies in its ability to efficiently control motors, providing precise and reliable performance.

Packaging/Quantity

The MCP8025AT-115H/MPVAO is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply voltage: 3.0V to 5.5V
• Operating temperature range: -40°C to +125°C
• Maximum output current: 1.5A
• Number of pins: 20
• Communication interface: SPI/I2C

Detailed Pin Configuration

The MCP8025AT-115H/MPVAO has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. VDD - Power supply voltage
2. GND - Ground reference
3. M1PWM - Motor 1 PWM input
4. M1IN1 - Motor 1 input 1
5. M1IN2 - Motor 1 input 2
6. M1FB - Motor 1 feedback
7. M2PWM - Motor 2 PWM input
8. M2IN1 - Motor 2 input 1
9. M2IN2 - Motor 2 input 2
10. M2FB - Motor 2 feedback
11. VREFH - High voltage reference
12. VREFL - Low voltage reference
13. VDD - Power supply voltage
14. GND - Ground reference
15. SDA - I2C data line
16. SCL - I2C clock line
17. CS - Chip select
18. SDI - Serial data input (SPI)
19. SDO - Serial data output (SPI)
20. SCK - Serial clock (SPI)

Functional Features

The MCP8025AT-115H/MPVAO offers the following functional features:

1. Integrated PWM generator for precise motor control.
2. Dual H-bridge configuration for driving two motors simultaneously.
3. Built-in current sensing and feedback mechanism for accurate motor control.
4. SPI/I2C communication interface for easy integration with microcontrollers.
5. Overcurrent protection and thermal shutdown for enhanced safety.

Advantages and Disadvantages

Advantages

• High performance and reliability ensure optimal motor control.
• Compact package size allows for space-efficient designs.
• Low power consumption results in energy-efficient operation.
• Integrated current sensing simplifies motor control implementation.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external microcontroller for complete system functionality.

Working Principles

The MCP8025AT-115H/MPVAO operates by receiving control signals from an external microcontroller through the SPI/I2C interface. These control signals are used to generate PWM signals, which are then applied to the H-bridge drivers. The H-bridge drivers control the direction and speed of the connected motors based on the received PWM signals. The integrated current sensing mechanism continuously monitors the motor currents, allowing for precise control and protection against overcurrent conditions.

Detailed Application Field Plans

The MCP8025AT-115H/MPVAO finds applications in various fields, including:

1. Robotics: Used for controlling motors in robotic systems, enabling precise movement and manipulation.
2. Automotive: Integrated into automotive systems for motor control in applications such as power windows, seat adjustments, and HVAC systems.
3. Industrial Automation: Employed in industrial machinery for controlling motors in conveyor belts, pumps, and other automated processes.
4. Home Appliances: Utilized in appliances like washing machines, dishwashers, and refrigerators to regulate motor functions.

Detailed and Complete Alternative Models

1. MCP8024AT-115H/MPVAO: Similar to the MCP8025AT-115H/MPVAO but with a lower maximum output current of 1A.
2. MCP8026AT-115H/MPVAO: Offers higher maximum output current of 2A, suitable for more demanding motor control applications.
3. MCP8028AT-115H/MPVAO: Provides additional features such as integrated temperature sensing and fault detection for enhanced motor control.

In conclusion, the MCP8025AT-115H/MPVAO is a high-performance