Texas Instruments DRV8885
The DRV8885 is a stepper motor driver for industrial equipment applications. The device has two Nchannel 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).FEATURES
●1 PWM Microstepping Stepper Motor Driver – Up to 1/16 Microstepping – Non-Circular and Standard ½ Step Modes● Integrated Current Sense Functionality – No Sense Resistors Required – ±6.25% Full-Scale Current Accuracy
● Slow and Mixed Decay Options
● 8.0- to 37-V Operating Supply Voltage Range
● Low RDS(ON): 0.86 Ω HS + LS at 24 V, 25°C
● High Current Capacity – 1.5-A Full Scale per Bridge – 1.0-A rms per Bridge
● Fixed Off-Time PWM Chopping
● Simple STEP/DIR Interface
● Low-Current Sleep Mode (20 μA)
● Small Package and Footprint – 24 HTSSOP PowerPAD™ Package – 28 WQFN Package
● Protection
FEATURES
– VM Undervoltage Lockout (UVLO) – Charge Pump Undervoltage (CPUV) – Overcurrent Protection (OCP) – Thermal Shutdown (TSD) – Fault Condition Indication Pin (nFAULT) 2APPLICATIONS
● Multi-Function Printers and Scanners● Laser Beam Printers
● 3D Printers
● Automatic Teller and Money Handling Machines
● Video Security Cameras
● Office Automation Machines
● Factory Automation and Robotics 3
DESCRIPTION
The DRV8885 integrated current sense functionality eliminates the need for two external sense resistors.