Overview
The DRV8825PWP, produced by Texas Instruments, is an integrated motor driver solution designed for driving bipolar stepper motors. This device features two H-bridge drivers and a microstepping indexer, making it suitable for applications in printers, scanners, and other automated equipment. The DRV8825 can operate with a supply voltage range of 8.2 to 45 V and can deliver up to 2.5 A of current from each output, provided with proper heat sinking at 24 V and 25°C. It offers a simple STEP/DIR interface for easy control and includes multiple decay modes, a low-power sleep mode, and various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | HTSSOP (PWP) | - |
| Pins | 28 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Maximum Drive Current | 2.5 A | - |
| Operating Supply Voltage Range | 8.2 to 45 V | - |
| Microstepping Resolution | Up to 1/32 | - |
| Decay Modes | Slow, Fast, Mixed | - |
| Protection Features | Overcurrent Protection (OCP), Thermal Shutdown (TSD), VM Undervoltage Lockout (UVLO), Fault Condition Indication Pin (nFAULT) | - |
| Low Power Sleep Mode | Yes | - |
| Built-In 3.3-V Reference Output | Yes | - |
Key Features
- PWM Microstepping Stepper Motor Driver
- Built-In Microstepping Indexer
- Up to 1/32 Microstepping
- Multiple Decay Modes: Slow, Fast, Mixed
- Simple STEP/DIR Interface
- Low Current Sleep Mode
- Built-In 3.3-V Reference Output
- Small Package and Footprint
- Protection Features: Overcurrent Protection (OCP), Thermal Shutdown (TSD), VM Undervoltage Lockout (UVLO), Fault Condition Indication Pin (nFAULT)
Applications
- Automatic Teller Machines
- Money Handling Machines
- Video Security Cameras
- Printers
- Scanners
- Office Automation Machines
- Gaming Machines
- Factory Automation
- Robotics
Q & A
- What is the maximum drive current of the DRV8825PWP?
The DRV8825PWP can deliver up to 2.5 A of current from each output with proper heat sinking at 24 V and 25°C. - What is the operating supply voltage range of the DRV8825PWP?
The operating supply voltage range is from 8.2 to 45 V. - What microstepping resolutions does the DRV8825PWP support?
The DRV8825PWP supports microstepping resolutions up to 1/32. - What are the decay modes available on the DRV8825PWP?
The decay modes available are slow, fast, and mixed decay. - Does the DRV8825PWP have a low-power sleep mode?
Yes, the DRV8825PWP has a low-power sleep mode that can be set using the nSLEEP pin. - What protection features are included in the DRV8825PWP?
The protection features include overcurrent protection (OCP), thermal shutdown (TSD), VM undervoltage lockout (UVLO), and a fault condition indication pin (nFAULT). - How does the DRV8825PWP interface with controller circuits?
The DRV8825PWP uses a simple STEP/DIR interface for easy interfacing with controller circuits. - What is the purpose of the built-in 3.3-V reference output?
The built-in 3.3-V reference output can be used to interface directly with 3.3 V and 5 V systems. - What are some common applications of the DRV8825PWP?
Common applications include automatic teller machines, money handling machines, video security cameras, printers, scanners, office automation machines, gaming machines, factory automation, and robotics. - How does the DRV8825PWP handle thermal management?
The DRV8825PWP includes thermal shutdown (TSD) and has specified thermal metrics such as junction-to-ambient thermal resistance to ensure proper thermal management.
