Texas Instruments DRV8881 2A Stepper Motor Driver
Texas Instruments DRV8881 2A Stepper Motor Driver 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 2.5A peak current or 1.4A rms current per H-bridge (with proper PCB ground plane for thermal dissipation and at 24V and TA = 25°C). AutoTune™ automatically tunes motors for optimal current regulation performance and compensates for motor variation and aging effects. 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.
Features
- Dual H-Bridge Motor Driver
- Bipolar Stepper Motor Driver
- Single or Dual Brushed-DC Motor Driver
- 6.5 to 45V Operating Supply Voltage Range
- Two Control Interface Options
- PHASE/ENABLE (DRV8881E)
- PWM (DRV8881P)
- Multiple Decay Modes to Support Any Motor
- AutoTune™ (DRV8881E Only)
- Mixed Decay
- Slow Decay
- Fast Decay
- Adaptive Blanking Time for Smooth Motion
- Parallel Mode Operation (DRV8881P Only)
- Configurable Off-Time PWM Chopping 10, 20, or 30µs Off-Time
- 3.3V, 10mA LDO Regulator
- Low-Current Sleep Mode (28µA)
- Small Package and Footprint
- 28 HTSSOP (PowerPAD)
- 28 WQFN (PowerPAD)
- Protection Features
- VM Undervoltage Lockout (UVLO)
- Charge Pump Undervoltage (CPUV)
- Overcurrent Protection (OCP)
- Automatic OCP Retry
- Thermal Shutdown (TSD)
- Fault Condition Indication Pin (nFAULT)
Applications
- Automatic Teller and Money Handling Machines
- Video Security Cameras
- Multi-Function Printers and Document Scanners
- Factory Automation and Robotics
- Stage Lighting Equipment
Related Product
Texas Instruments DRV8x Integrated Motor Drivers
Integrates gate drive circuitry, sense amps, protection, and FETs.
公開: 2015-10-01
| 更新済み: 2024-08-02