The DRV8881 is a bipolar stepper or brushed-DC motor driver for industrial applications. The device output stage consists of two N-channel power MOSFET H-bridge drivers. The DRV8881 is capable of driving up to 2.5-A peak current or 1.4-A rms current per H-bridge (with proper PCB ground plane for thermal dissipation and at 24 V and TA = 25°C).
Smart tune automatically tunes motors for optimal current regulation performance and compensates for motor variation and aging effects. Smart tune is available on the DRV8881E. Additionally, slow, fast, and mixed decay modes are available.
The PH/EN (DRV8881E) or PWM (DRV8881P) pins provide a simple control interface. An internal sense amplifier allows for adjustable current control. 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 a nFAULT pin.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | DRV8881 2.5-A Dual H-Bridge Motor Driver datasheet (Rev. A) | PDF | HTML | 29 Jul 2015 |
| Application note | Best Practices for Board Layout of Motor Drivers (Rev. B) | PDF | HTML | 14 Okt 2021 | |
| Application note | Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) | PDF | HTML | 19 Jan 2021 | |
| White paper | How smart tune regulates current in stepper motors (Rev. A) | 19 Mär 2019 | ||
| Application brief | Smart Tuning for Efficient Stepper Driving | 20 Nov 2018 | ||
| Technical article | Getting smart about tuning your stepper motor | PDF | HTML | 23 Aug 2018 | |
| Application note | PowerPAD™ Thermally Enhanced Package (Rev. H) | 06 Jul 2018 | ||
| More literature | TM4C123x Stepper Motor Control Product Summary | 06 Jul 2015 | ||
| Application brief | PowerPAD™ Made Easy (Rev. B) | 12 Mai 2004 |
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DRV8881E is a dual H-bridge motor driver that can drive either a stepper motor or dual brushed DC motor driver with a Phase/Enable control interface. For stepper motors, this device also features TI's AutoTune™ adaptive decay mode. Aimed at 24V motors, this device also features (...)
DRV8881P is a dual H-bridge motor driver that can drive either a stepper motor or dual brushed DC motor with a PWM control interface. Also aimed at 24V motors, this device supports slow, fast and mixed decay settings to tune the motors' performance. The DRV8881PEVM (evaluation module) serves as a (...)
| Gehäuse | Pins | Herunterladen |
|---|---|---|
| HTSSOP (PWP) | 28 | Optionen anzeigen |
| WQFN (RHR) | 28 | Optionen anzeigen |
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