DRV8825
- PWM Microstepping Stepper Motor Driver
- Built-In Microstepping Indexer
- Up to 1/32 Microstepping
- Multiple Decay Modes
- Mixed Decay
- Slow Decay
- Fast Decay
- 8.2-V to 45-V Operating Supply Voltage Range
- 2.5-A Maximum Drive Current at 24 V and
TA = 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
The DRV8825 provides an integrated motor driver solution for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers and a microstepping indexer, and is intended to drive a bipolar stepper motor. The output driver block consists of N-channel power MOSFET’s configured as full H-bridges to drive the motor windings. The DRV8825 is capable of driving up to 2.5 A of current from each output (with proper heat sinking, at 24 V and 25°C).
A simple STEP/DIR interface allows easy interfacing to controller circuits. Mode pins allow for configuration of the motor in full-step up to 1/32-step modes. Decay mode is configurable so that slow decay, fast decay, or mixed decay can be used. A low-power sleep mode is provided which shuts down internal circuitry to achieve very low quiescent current draw. This sleep mode can be set using a dedicated nSLEEP pin.
Internal shutdown functions are provided for overcurrent, short circuit, under voltage lockout and over temperature. Fault conditions are indicated via the nFAULT pin.
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Technical documentation
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
DRV8825EVM — Evaluation Module for DRV8825
The DRV8825 evaluation module consists of a 2.5A, dual-H-bridge motor driver with on chip indexer (step/dir control interface) supporting up to 32 micro steps and a small number external components that can be used to drive a single bipolar stepper motor. The on-board MSP430 MCU + software/GUI (...)
SLVC502 — Software: DRV8824EVM and DRV8825EVM
Supported products & hardware
Products
Stepper motor drivers
Hardware development
Evaluation board
TIDA-00293 — Best-in-class Combination Stereolithography 3D Printer Development Using DLP® Technology
TIDM-PRINTERPACK — 40-Pin Boosterpack for 3D Printer Control
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
HTSSOP (PWP) | 28 | Ultra Librarian |
Ordering & quality
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- Lead finish/Ball material
- MSL rating/Peak reflow
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- Assembly location
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
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