사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| MotorType-Stepper | Bipolar |
| Function | Driver - Fully Integrated, Control and Power Stage |
| OutputConfiguration | Half Bridge (4) |
| Interface | Logic |
| Technology | Power MOSFET |
| StepResolution | 1, 1/2, 1/4, 1/8 |
| Applications | General Purpose |
| Current-Output | 2.5A |
| Voltage-Supply | 3V ~ 5.5V |
| Voltage-Load | 8V ~ 35V |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 28-PowerTSSOP (0.173, 4.40mm Width) |
개요
Description
The DRV8818PWPR is a stepper motor driver IC from Texas Instruments, designed to drive bipolar stepper motors in industrial and consumer applications. It is part of the DRV8818 family and comes in a 28-pin HTSSOP package with PowerPAD for enhanced thermal performance. This driver supports microstepping, offering precise control with resolutions from full step down to 1/32 step, which enhances motion smoothness and reduces audible noise. The device operates with a supply voltage range typically between 8.2V and 45V, supporting up to 2.5A peak current per winding, making it suitable for a variety of motor sizes.
Key features include built-in overcurrent, thermal shutdown, and undervoltage lockout protections, contributing to reliable operation. It integrates a simple interface for step and direction control, facilitating ease of use in applications like 3D printers, robotics, and CNC machines. Additionally, the DRV8818PWPR offers adjustable current control via an external resistor and supports mixed decay modes for optimized performance. This combination of features makes it a versatile and robust choice for stepper motor control applications.
Key features include built-in overcurrent, thermal shutdown, and undervoltage lockout protections, contributing to reliable operation. It integrates a simple interface for step and direction control, facilitating ease of use in applications like 3D printers, robotics, and CNC machines. Additionally, the DRV8818PWPR offers adjustable current control via an external resistor and supports mixed decay modes for optimized performance. This combination of features makes it a versatile and robust choice for stepper motor control applications.
Equivalent
The DRV8818PWPR is a stepper motor driver from Texas Instruments. Equivalent products from other manufacturers may include:
1. Allegro A4988
2. Trinamic TMC2208
3. STMicroelectronics L298N
4. Toshiba TB6600
It's important to compare the specific features and ratings, as they may vary between models. Always check the datasheets to ensure compatibility for your specific application.
1. Allegro A4988
2. Trinamic TMC2208
3. STMicroelectronics L298N
4. Toshiba TB6600
It's important to compare the specific features and ratings, as they may vary between models. Always check the datasheets to ensure compatibility for your specific application.
Features
The DRV8818PWPR is a stepper motor driver with several key features:
1. Dual H-Bridge Design: It integrates two H-bridges, allowing it to drive a bipolar stepper motor effectively.
2. Microstepping Operation: Supports microstepping with up to 1/8 steps, providing smooth motor performance and higher precision.
3. Wide Voltage Range: Operates over a wide voltage range from 8.2V to 45V, making it versatile for various applications.
4. Current Control: Features adjustable current control for each motor phase, which helps in reducing power consumption and heat generation.
5. Protection Features: Includes overcurrent, thermal shutdown, and undervoltage lockout protections to enhance reliability and durability.
6. Low Power Sleep Mode: Reduces power consumption during inactivity with a low power sleep mode.
7. Compact Package: Comes in a 28-pin HTSSOP package with a PowerPAD™ for enhanced thermal performance.
These features make the DRV8818PWPR suitable for applications requiring precise motion control, such as robotics, automation, and other stepper motor-driven systems.
1. Dual H-Bridge Design: It integrates two H-bridges, allowing it to drive a bipolar stepper motor effectively.
2. Microstepping Operation: Supports microstepping with up to 1/8 steps, providing smooth motor performance and higher precision.
3. Wide Voltage Range: Operates over a wide voltage range from 8.2V to 45V, making it versatile for various applications.
4. Current Control: Features adjustable current control for each motor phase, which helps in reducing power consumption and heat generation.
5. Protection Features: Includes overcurrent, thermal shutdown, and undervoltage lockout protections to enhance reliability and durability.
6. Low Power Sleep Mode: Reduces power consumption during inactivity with a low power sleep mode.
7. Compact Package: Comes in a 28-pin HTSSOP package with a PowerPAD™ for enhanced thermal performance.
These features make the DRV8818PWPR suitable for applications requiring precise motion control, such as robotics, automation, and other stepper motor-driven systems.
Pinout
The DRV8818PWPR is a stepper motor driver IC from Texas Instruments. It is housed in a 28-pin HTSSOP package. The functions of these pins include:
1. Power Supply Pins: VMA, VMB for motor supply voltage; VCP for charge pump voltage; VREG for internal regulator voltage; and GND for ground.
2. Motor Outputs: AOUT1, AOUT2, BOUT1, BOUT2 for connecting to the stepper motor coils.
3. Control Pins: STEP for controlling step input; DIR for direction control; ENABLE to enable/disable the output stage.
4. Fault and Mode Pins: NFAULT for fault condition indication; NRESET for resetting the device; DECAY to set the decay mode.
5. Current Control Pins: ISENA, ISENB for current sense inputs; VREF to set the reference voltage for current regulation.
6. Other Pins: CP1, CP2 for charge pump capacitors; AVREF, BVREF for reference voltage input.
This IC is designed primarily for driving stepper motors with efficient and precise control, featuring current regulation and protection mechanisms.
1. Power Supply Pins: VMA, VMB for motor supply voltage; VCP for charge pump voltage; VREG for internal regulator voltage; and GND for ground.
2. Motor Outputs: AOUT1, AOUT2, BOUT1, BOUT2 for connecting to the stepper motor coils.
3. Control Pins: STEP for controlling step input; DIR for direction control; ENABLE to enable/disable the output stage.
4. Fault and Mode Pins: NFAULT for fault condition indication; NRESET for resetting the device; DECAY to set the decay mode.
5. Current Control Pins: ISENA, ISENB for current sense inputs; VREF to set the reference voltage for current regulation.
6. Other Pins: CP1, CP2 for charge pump capacitors; AVREF, BVREF for reference voltage input.
This IC is designed primarily for driving stepper motors with efficient and precise control, featuring current regulation and protection mechanisms.
Manufacturer
The DRV8818PWPR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments is well-known for designing and manufacturing a wide range of semiconductor products, including integrated circuits for analog and digital embedded processing applications. The company serves various markets such as industrial, automotive, personal electronics, communications, and enterprise systems. TI is recognized for its innovation in the electronics sector and has a long history of providing high-quality, reliable products to meet the diverse needs of its customers.
Application
The DRV8818PWPR is a motor driver IC commonly used in various applications requiring precise motor control. Key application areas include:
1. Industrial Automation: Used in robotic arms and conveyor systems for precise positioning and motion control.
2. Printers and Scanners: Facilitates the movement of paper and scanning mechanisms.
3. Textile Machines: Controls motors that manage fabric weaving and cutting.
4. CNC Machines: Provides precision control for automated machining tools.
5. Home Appliances: Utilized in washing machines and dishwashers for motorized functions.
6. Medical Devices: Powers motors in equipment like pumps and positioning systems.
7. Office Equipment: Drives motors in fax machines and copiers.
These applications benefit from the DRV8818PWPR's ability to control stepper motors efficiently and reliably.
1. Industrial Automation: Used in robotic arms and conveyor systems for precise positioning and motion control.
2. Printers and Scanners: Facilitates the movement of paper and scanning mechanisms.
3. Textile Machines: Controls motors that manage fabric weaving and cutting.
4. CNC Machines: Provides precision control for automated machining tools.
5. Home Appliances: Utilized in washing machines and dishwashers for motorized functions.
6. Medical Devices: Powers motors in equipment like pumps and positioning systems.
7. Office Equipment: Drives motors in fax machines and copiers.
These applications benefit from the DRV8818PWPR's ability to control stepper motors efficiently and reliably.
Package
The DRV8818PWPR is a stepper motor driver IC from Texas Instruments, and it comes in a TSSOP (Thin Shrink Small Outline Package) with a PowerPAD. Specifically, it uses a 28-pin HTSSOP (Heat-Sink Thin Shrink Small Outline Package) with a PowerPAD, denoted by the "PWPR" suffix in the part number.
