Overview
The DRV8825PWPR, produced by Texas Instruments, is a highly integrated motor driver solution designed for driving bipolar stepper motors in various automated equipment applications. This device features two H-bridge drivers and a built-in microstepping indexer, enabling precise control over the motor. It is particularly suited for use in printers, scanners, and other office automation machines due to its advanced microstepping capabilities and robust protection features.
Key Specifications
| Specification | Value |
|---|---|
| Package | HTSSOP (28 pins) |
| Operating Temperature Range | -40°C to 85°C |
| Operating Supply Voltage Range | 8.2 V to 45 V |
| Maximum Drive Current | 2.5 A at 24 V and 25°C |
| Microstepping Capability | Up to 1/32 microstepping |
| Decay Modes | Mixed, Slow, Fast |
| Interface | Simple STEP/DIR interface |
| Reference Output | Built-In 3.3-V Reference Output |
| Protection Features | Overcurrent Protection (OCP), Thermal Shutdown (TSD), VM Undervoltage Lockout (UVLO), Fault Condition Indication Pin (nFAULT) |
Key Features
- PWM Microstepping Stepper Motor Driver
- Built-In Microstepping Indexer
- Up to 1/32 Microstepping
- Multiple Decay Modes: Mixed, Slow, Fast
- 8.2-V to 45-V Operating Supply Voltage Range
- 2.5-A Maximum Drive Current at 24 V and 25°C
- 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 DRV8825?
The DRV8825 can drive up to 2.5 A of current from each output at 24 V and 25°C. - What are the available decay modes for the DRV8825?
The DRV8825 supports mixed, slow, and fast decay modes. - What is the operating supply voltage range of the DRV8825?
The operating supply voltage range is from 8.2 V to 45 V. - Does the DRV8825 have built-in protection features?
Yes, it includes overcurrent protection (OCP), thermal shutdown (TSD), VM undervoltage lockout (UVLO), and a fault condition indication pin (nFAULT). - What is the microstepping capability of the DRV8825?
The DRV8825 is capable of up to 1/32 microstepping. - How does the DRV8825 interface with controller circuits?
The DRV8825 uses a simple STEP/DIR interface for easy interfacing with controller circuits. - Does the DRV8825 have a sleep mode?
Yes, it has a low current sleep mode that can be set using a dedicated nSLEEP pin. - What package type is the DRV8825 available in?
The DRV8825 is available in a HTSSOP (28 pins) package. - What are some common applications of the DRV8825?
Common applications include printers, scanners, office automation machines, gaming machines, factory automation, and robotics. - How does the DRV8825 indicate fault conditions?
Fault conditions are indicated via the nFAULT pin.
