Overview
The DRV8824PWP, 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 built-in microstepping indexer, making it suitable for various automated equipment applications such as printers, scanners, and other industrial automation systems. The DRV8824PWP operates within an 8.2-V to 45-V supply voltage range and can drive up to 1.6 A of current from each output, provided with proper heatsinking at 24 V and 25°C. It offers a simple STEP/DIR interface for easy integration with controller circuits and includes multiple decay modes for flexible motor control.
Key Specifications
| Parameter | Value |
|---|---|
| Package | HTSSOP (28 pins) |
| Operating Temperature Range (°C) | -40 to 85 |
| Operating Supply Voltage Range (V) | 8.2 to 45 |
| Maximum Drive Current (A) at 24 V and 25°C | 1.6 |
| Microstepping Capability | Up to 1/32 |
| Decay Modes | Mixed, Slow, Fast |
| Internal PWM Frequency (kHz) | 50 |
| Thermal Shutdown Temperature (°C) | 150 to 180 |
| Overcurrent Protection Trip Level (A) | 1.8 to 5 |
Key Features
- PWM Microstepping Stepper Motor Driver with built-in microstepping indexer
- Up to 1/32 microstepping capability
- Multiple decay modes: Mixed, Slow, and Fast decay
- Simple STEP/DIR interface for easy integration with controller circuits
- Low-current sleep mode with very-low quiescent current draw
- Built-in 3.3-V reference output
- Small package and footprint (HTSSOP 28 pins)
- Protection features:
- Overcurrent Protection (OCP)
- Thermal Shutdown (TSD)
- VMx Undervoltage Lockout (UVLO)
- Fault Condition Indication Pin (nFAULT)
Applications
- Printers
- Scanners
- Automatic Teller Machines
- Money Handling Machines
- Video Security Cameras
- Office Automation Machines
- Gaming Machines
- Factory Automation
- Robotics
Q & A
- What is the operating supply voltage range of the DRV8824PWP?
The DRV8824PWP operates within an 8.2-V to 45-V supply voltage range.
- What is the maximum drive current of the DRV8824PWP?
The DRV8824PWP can drive up to 1.6 A of current from each output at 24 V and 25°C with proper heatsinking.
- What microstepping capabilities does the DRV8824PWP offer?
The DRV8824PWP offers up to 1/32 microstepping capability.
- What are the available decay modes for the DRV8824PWP?
The DRV8824PWP supports Mixed, Slow, and Fast decay modes.
- How does the DRV8824PWP protect against overcurrent conditions?
The DRV8824PWP features Overcurrent Protection (OCP) and indicates fault conditions through the nFAULT pin.
- What is the thermal shutdown temperature range of the DRV8824PWP?
The thermal shutdown temperature range is between 150°C to 180°C.
- Does the DRV8824PWP have a sleep mode?
Yes, the DRV8824PWP has a low-current sleep mode that can be set using the nSLEEP pin.
- What type of interface does the DRV8824PWP use for motor control?
The DRV8824PWP uses a simple STEP/DIR interface for easy integration with controller circuits.
- What package types are available for the DRV8824PWP?
The DRV8824PWP is available in HTSSOP (28 pins) and VQFN (28 pins) packages.
- What are some common applications of the DRV8824PWP?
The DRV8824PWP is commonly used in printers, scanners, automatic teller machines, and other industrial automation systems.
