DRV8870DDA

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DRV8870DDA

+BOM

IC MOTOR DRVR UNIPLR 8SO PWRPAD

  • 제조업체텍사스 인스트루먼트(주)

  • 제조업체 부품 #DRV8870DDA

  • 재고3458

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사양

속성 가치
Part Status Obsolete
Motor Type - Stepper Unipolar
Motor Type - AC, DC Brushed DC
Function Driver - Fully Integrated, Control and Power Stage
Output Configuration Half Bridge (2)
Interface PWM
Technology NMOS
Applications DC Motors, General Purpose, Stepper Motors
Current - Output 3.6A
Voltage - Supply 6.5V ~ 45V
Voltage - Load 6.5V ~ 45V
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SO PowerPad
Base Product Number DRV8870

개요

Description

The DRV8870DDA is a versatile motor driver from Texas Instruments designed for driving brushed DC motors and stepper motors. It features a dual H-bridge configuration, allowing it to control motor direction and speed effectively. Key specifications include a wide supply voltage range of 6.5V to 45V, with a maximum continuous output current of up to 3A per channel.
The device incorporates advanced protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing reliability in various applications. It supports PWM control for speed regulation, enabling precise motor control in robotics, automotive applications, and industrial automation.
The DRV8870DDA comes in a compact HTQFP package, facilitating integration into space-constrained designs. Additionally, it is designed to minimize power dissipation, which is crucial for battery-operated devices. Overall, it is a robust choice for engineers seeking an efficient and flexible motor driver solution.

Equivalent

Equivalent products to the DRV8870DDA chip include the A4988, L298N, and TB6612FNG. These devices are motor drivers capable of controlling DC motors and stepper motors, offering similar functionalities. Additionally, the DRV8830 and DRV8840 are also alternatives, providing similar performance in terms of voltage and current ratings. Always check specific datasheets for compatibility based on your application needs.

Features

The DRV8870DDA is a dual H-Bridge motor driver designed for driving DC motors and stepper motors. Key features include:
1. Voltage Range: Operates from 4.5V to 38V, suitable for various applications.
2. Current Rating: Supports continuous output current up to 1.5A per bridge.
3. Control Interface: Facilitates PWM control for speed regulation and direction control via logic-level inputs.
4. Protection Features: Includes thermal shutdown, overcurrent protection, and undervoltage lockout to enhance reliability.
5. Integrated Diodes: Features internal flyback diodes to protect against back EMF.
6. Compact Package: Housed in a TSSOP-16 package, saving space on PCBs.
7. Low Standby Current: Offers a low quiescent current in sleep mode for energy efficiency.
8. Fault Reporting: Provides feedback through a fault output pin for easy diagnostics.
Overall, the DRV8870DDA is ideal for battery-operated devices, robotics, and automation applications requiring robust motor control.

Pinout

The DRV8870DDA is a dual H-bridge motor driver from Texas Instruments, designed for driving DC motors and stepper motors. It comes in a 16-pin HTQFP (Thin Quad Flat Package) with the following pin configuration and functions:
1. VM - Motor supply voltage.
2. GND - Ground connection.
3. AOUT1 - Output for Motor A, connection to one terminal.
4. AOUT2 - Output for Motor A, connection to the other terminal.
5. BOUT1 - Output for Motor B, connection to one terminal.
6. BOUT2 - Output for Motor B, connection to the other terminal.
7. nSLEEP - Sleep mode control; active low.
8. nFAULT - Fault indication output.
9. PWM_A - PWM input for motor A control.
10. PWM_B - PWM input for motor B control.
11. DIR_A - Direction control for motor A.
12. DIR_B - Direction control for motor B.
13. COMP - Compensation for stability.
14. VREF - Reference voltage input for current regulation.
15. VCP - Charge pump output for driving high-side FETs.
16. AGND - Analog ground.
This configuration allows the DRV8870DDA to effectively control two motors with adjustable speed and direction.

Manufacturer

The DRV8870DDA is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of integrated circuits (ICs) and other electronic components, specializing in analog and embedded processing technologies. Founded in 1930, TI is known for its innovations in various fields, including automotive, industrial, communications, computing, and consumer electronics.
The DRV8870 is a motor driver IC that provides high-performance control for DC motors, stepper motors, and other inductive loads, making it suitable for applications in robotics, automation, and various other electronic devices. Texas Instruments is recognized for its commitment to quality, reliability, and support, making it a preferred choice among engineers and designers in the electronics industry. The company also emphasizes research and development, continuously advancing technology to meet the evolving needs of its customers.

Application

The DRV8870DDA is a motor driver IC primarily used in applications involving brushed DC motors. Its key application areas include:
1. Automotive: Powering window lifters, seat adjusters, and sunroof motors.
2. Robotics: Driving motors in robotic arms and mobile robots.
3. Industrial Automation: Controlling conveyor belts and automated machinery.
4. Home Appliances: Operating motors in washing machines, vacuum cleaners, and fans.
5. Electric Bikes/Scooters: Driving wheel motors for propulsion.
Its features, like adjustable current control and protection mechanisms, make it suitable for various low to medium power motor applications.

Package

The DRV8870DDA is available in a HTQFP (Thin Quad Flat Pack) package type, specifically a 16-pin configuration. This package type is designed for low-profile applications and provides efficient thermal management and electrical performance.

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