DRV8884, 1 A Stepper Motor Driver

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            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 Driver Texas 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 A_RMS output current (depending on proper PCB ground plane for thermal dissipation and at 24 V and T_A = 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 R_DS(ON): 1.4 Ω HS + LS at 24 V, 25°C High current capacity 1 A full-scale per bridge 0.7 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) 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

	Abbildung	Hersteller-Teilenummer	Beschreibung	Verfügbare Menge	Preis	Details anzeigen
		DRV8884PWPR	IC MTR DRV BIPLR 0-5.3V 24HTSSOP	7799 - Sofort	$2.72	Details anzeigen

Evaluation Board

	Abbildung	Hersteller-Teilenummer	Beschreibung	Funktion	Embedded	Verwendetes IC / Teil	Verfügbare Menge	Preis	Details anzeigen
		DRV8884EVM	EVAL BOARD FOR DRV8884	Motorsteuerung/-treiber, Schrittmotor	Ja, MCU, 16 Bit	DRV8884	1 - Sofort	$47.04	Details anzeigen

Veröffentlicht: 2016-08-10

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DRV8884, 1 A Stepper Motor Driver