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 ~ 1/32 |
| Applications | General Purpose |
| Current-Output | 2.5A |
| Voltage-Supply | 8.2V ~ 45V |
| Voltage-Load | 8.2V ~ 45V |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 28-PowerTSSOP (0.173, 4.40mm Width) |
개요
Description
The DRV8825PWPR is a stepper motor driver IC from Texas Instruments, designed for precision motor control in applications requiring high performance and efficiency. It operates in full, half, 1/4, 1/8, 1/16, and 1/32 step modes, allowing for precise control over motor movement. The device is capable of driving a bipolar stepper motor in a variety of applications such as 3D printers, robotics, and CNC machines.
Key features of the DRV8825 include a wide operating voltage range of 8.2V to 45V and the ability to deliver up to 2.5A of current per phase. It integrates a microstepping indexer and provides protection against under-voltage, over-current, and over-temperature events. The device also features an adjustable current control, which helps prevent motor heating and energy loss.
Packaged in a 28-pin HTSSOP, the DRV8825 is compact and suitable for both professional and hobbyist applications, offering an efficient and reliable solution for stepper motor control.
Key features of the DRV8825 include a wide operating voltage range of 8.2V to 45V and the ability to deliver up to 2.5A of current per phase. It integrates a microstepping indexer and provides protection against under-voltage, over-current, and over-temperature events. The device also features an adjustable current control, which helps prevent motor heating and energy loss.
Packaged in a 28-pin HTSSOP, the DRV8825 is compact and suitable for both professional and hobbyist applications, offering an efficient and reliable solution for stepper motor control.
Equivalent
Equivalent products to the DRV8825PWPR chip, a stepper motor driver, include:
1. A4988: Popular with similar features for controlling stepper motors.
2. TB6600: Another alternative, typically used for higher current applications.
3. TMC2208/TMC2209: Known for quieter operation in stepper motor control.
4. LV8729: Offers low noise and micro-stepping capabilities.
Ensure compatibility by checking specifications like voltage, current ratings, and micro-stepping features.
1. A4988: Popular with similar features for controlling stepper motors.
2. TB6600: Another alternative, typically used for higher current applications.
3. TMC2208/TMC2209: Known for quieter operation in stepper motor control.
4. LV8729: Offers low noise and micro-stepping capabilities.
Ensure compatibility by checking specifications like voltage, current ratings, and micro-stepping features.
Features
The DRV8825PWPR is a stepper motor driver with key features suited for precision control in various applications. It supports a wide operating voltage range from 8.2V to 45V, allowing versatility in different environments. The driver can deliver up to 1.5A current per phase without a heat sink and up to 2.5A with sufficient cooling. It includes microstepping capabilities, supporting up to 1/32-step resolution, which ensures smooth and accurate motion control.
The DRV8825PWPR also features built-in overcurrent, overtemperature, and short-to-ground protection, enhancing its reliability and safety. The device has an adjustable current control, enabling the user to set the maximum output current with a potentiometer to match the specific motor requirements. Its internal indexer simplifies the process of stepping control, making it easy to implement in various projects.
With a small footprint and compatibility with many microcontroller platforms, the DRV8825PWPR is widely used in 3D printers, CNC machines, and other applications requiring precise stepper motor control.
The DRV8825PWPR also features built-in overcurrent, overtemperature, and short-to-ground protection, enhancing its reliability and safety. The device has an adjustable current control, enabling the user to set the maximum output current with a potentiometer to match the specific motor requirements. Its internal indexer simplifies the process of stepping control, making it easy to implement in various projects.
With a small footprint and compatibility with many microcontroller platforms, the DRV8825PWPR is widely used in 3D printers, CNC machines, and other applications requiring precise stepper motor control.
Pinout
The DRV8825PWPR is a stepper motor driver with a 28-pin HTSSOP package. It is designed to control bipolar stepper motors efficiently. Below is a summary of its pin functions:
1. VMA/VMB: Motor supply voltage inputs.
2. OUT1A/OUT1B, OUT2A/OUT2B: Outputs to connect to the motor coils.
3. VMx: Power supply pins for the stepper motor.
4. GND: Ground pins for the device.
5. DECAY: Selects the current decay mode.
6. VREF: Reference voltage for current regulation.
7. ENABLE: Enables or disables the output drivers.
8. SLEEP: Puts the device into a low-power sleep mode.
9. FAULT: Indicates a fault condition.
10. DIR: Sets the direction of the motor.
11. STEP: Steps the motor by one increment.
12. MS1, MS2, MS3: Pins to select the microstepping mode.
13. RESET: Resets the internal logic.
14. CP1, CP2, VCP: Charge pump components.
15. AVDD: Internal voltage regulator output.
This configuration allows the DRV8825 to provide adjustable microstepping and current control for precise motor operation.
1. VMA/VMB: Motor supply voltage inputs.
2. OUT1A/OUT1B, OUT2A/OUT2B: Outputs to connect to the motor coils.
3. VMx: Power supply pins for the stepper motor.
4. GND: Ground pins for the device.
5. DECAY: Selects the current decay mode.
6. VREF: Reference voltage for current regulation.
7. ENABLE: Enables or disables the output drivers.
8. SLEEP: Puts the device into a low-power sleep mode.
9. FAULT: Indicates a fault condition.
10. DIR: Sets the direction of the motor.
11. STEP: Steps the motor by one increment.
12. MS1, MS2, MS3: Pins to select the microstepping mode.
13. RESET: Resets the internal logic.
14. CP1, CP2, VCP: Charge pump components.
15. AVDD: Internal voltage regulator output.
This configuration allows the DRV8825 to provide adjustable microstepping and current control for precise motor operation.
Manufacturer
The DRV8825PWPR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide array of electronic components, including integrated circuits, digital signal processors, microcontrollers, and analog semiconductors. TI serves a diverse range of industries, including automotive, industrial, consumer electronics, communications equipment, and personal electronics. The company is known for its innovation in the field of electronic design and its contribution to advancing technology in various applications.
Application
The DRV8825PWPR is a stepper motor driver IC commonly used in various applications requiring precise motor control. Key application areas include:
1. 3D Printers: Used for controlling the stepper motors driving the print head and build platform.
2. CNC Machines: Provides precision motor control for milling, engraving, and cutting tasks.
3. Robotics: Ideal for driving robot joints and linear actuators.
4. Automated Machinery: Used in automated systems for precise positioning and movement.
5. Textile Machinery: Controls motors in weaving and knitting machines.
6. Medical Devices: Used in applications like syringe pumps and lab automation equipment.
7. Consumer Electronics: Employed in devices like cameras for lens positioning.
The DRV8825PWPR is favored for its high resolution and current control capabilities.
1. 3D Printers: Used for controlling the stepper motors driving the print head and build platform.
2. CNC Machines: Provides precision motor control for milling, engraving, and cutting tasks.
3. Robotics: Ideal for driving robot joints and linear actuators.
4. Automated Machinery: Used in automated systems for precise positioning and movement.
5. Textile Machinery: Controls motors in weaving and knitting machines.
6. Medical Devices: Used in applications like syringe pumps and lab automation equipment.
7. Consumer Electronics: Employed in devices like cameras for lens positioning.
The DRV8825PWPR is favored for its high resolution and current control capabilities.
Package
The DRV8825PWPR is a stepper motor driver IC typically packaged in a TSSOP (Thin Shrink Small Outline Package) with 28 pins. The "PWPR" indicates it is in a PowerPAD package, which includes an exposed thermal pad for better heat dissipation.
