The DRV8885 is a stepper motor driver for industrial equipment applications. The device has two N-channel power MOSFET H-bridge drivers, a microstepping indexer, and integrated current sense. The DRV8885 is capable of driving up to 1.5 A full scale or 1.0 A rms output current (depending on proper PCB ground plane for thermal dissipation and at 24 V and TA = 25°C).
The DRV8885 integrated current sense functionality eliminates the need for two external sense resistors.
The STEP/DIR pins provide a simple control interface. The device can be configured in full-step up to 1/16 step modes. A low-power sleep mode is provided for very-low quiescent current standby using a dedicated nSLEEP pin.
Internal protection functions are provided for undervoltage, charge pump faults, overcurrent, short circuits, and overtemperature. Fault conditions are indicated by an nFAULT pin.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | DRV8885 1.5-A Stepper Motor Driver With Integrated Current Sense datasheet (Rev. D) | PDF | HTML | 11 Mar 2020 |
| Application brief | Advantages of Integrated Current Sensing (Rev. B) | PDF | HTML | 20 Jun 2022 | |
| Application note | Best Practices for Board Layout of Motor Drivers (Rev. B) | PDF | HTML | 14 Oct 2021 | |
| Application note | Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) | PDF | HTML | 19 Jan 2021 | |
| Application brief | Small Motors in Large Appliances | 20 Jul 2018 | ||
| Application note | PowerPAD™ Thermally Enhanced Package (Rev. H) | 06 Jul 2018 | ||
| EVM User's guide | DRV8885 Evaluation Module User's Guide | 15 Oct 2015 | ||
| Application brief | PowerPAD™ Made Easy (Rev. B) | 12 May 2004 |
For additional terms or required resources, click any title below to view the detail page where available.
The DRV8885 evaluation module (EVM) demonstrates the integrated current sensing capabilities and performance of the DRV8885 integrated circuit from Texas Instruments. The EVM includes the DRV8885 to control a stepper motor, a MSP430F2617 to control the DRV8885 inputs, and a USB to UART to (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| HTSSOP (PWP) | 24 | Ultra Librarian |
| WQFN (RHR) | 28 | Ultra Librarian |
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