Texas Instruments

DRV8884, 1 A Stepper Motor Driver

Texas Instruments offers their DRV8884, 1 A stepper motor driver with 1/16 microstepping and integrated current sensing

Image of Texas Instruments' DRV8884, 1 A Stepper Motor DriverTexas Instruments' DRV8884 device 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 DRV8884 is capable of driving up to 1.0 A full-scale or 0.7 ARMS output current (depending on proper PCB ground plane for thermal dissipation and at 24 V and TA = 25°C).

The DRV8884's 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 under-voltage, charge pump faults, over-current, short circuits, and over-temperature. Fault conditions are indicated by an nFAULT pin.

Features
  • 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 V to 37 V operating supply voltage range
  • Low RDS(ON): 1.4 Ω HS + LS at 24 V, 25°C
  • High current capacity
    • 1 A full-scale per bridge
    • 0.7 ARMS per bridge
  • Fixed off-time PWM chopping
  • Simple STEP/DIR interface
  • Low-current sleep mode (20 μA)
  • Small package and footprint
    • 24 HTSSOP (PowerPAD)
  • Protection features
    • VM under-voltage lockout (UVLO)
    • Charge pump under-voltage (CPUV)
    • Over-current protection (OCP)
    • Thermal shutdown (TSD)
    • Fault condition indication pin (nFAULT)

DRV8884, 1 A Stepper Motor Driver

תמונהמק"ט יצרןתיאורכמות זמינהמחירהצגת הפרטים
IC MTR DRV BIPLR 0-5.3V 24HTSSOPDRV8884PWPRIC MTR DRV BIPLR 0-5.3V 24HTSSOPמיידית - 7796$12.25הצגת הפרטים

Evaluation Board

תמונהמק"ט יצרןתיאורפונקציהמשובציםמעגל משולב / חלק בשימושכמות זמינהמחירהצגת הפרטים
EVAL BOARD FOR DRV8884DRV8884EVMEVAL BOARD FOR DRV8884בקר/דוחף מנועים, מנוע צעדכן, MCU,‏ ‎16-BitDRV8884מיידית - 1$211.91הצגת הפרטים
2016-08-10 תאריך הפרסום

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