Controlador para motores paso a paso de 35 V y 2.5 A con micropasos 1/8, interfaz STEP/DIR y tecnolo

Detalles del producto

Vs ABS (max) (V) 35 Vs (min) (V) 8 Peak output current (A) 3.5 Control mode STEP/DIR Control interface Hardware (GPIO) Number of full bridges 2 Full-scale current (A) 2.5 RDS(ON) (HS + LS) (mΩ) 370 Sleep current (µA) 3 Microstepping levels 8 Decay mode Fast, Mixed, Slow, Smart Tune Features Current Regulation, Smart Tune Rating Catalog Operating temperature range (°C) -40 to 85
Vs ABS (max) (V) 35 Vs (min) (V) 8 Peak output current (A) 3.5 Control mode STEP/DIR Control interface Hardware (GPIO) Number of full bridges 2 Full-scale current (A) 2.5 RDS(ON) (HS + LS) (mΩ) 370 Sleep current (µA) 3 Microstepping levels 8 Decay mode Fast, Mixed, Slow, Smart Tune Features Current Regulation, Smart Tune Rating Catalog Operating temperature range (°C) -40 to 85
HTSSOP (PWP) 28 62.08 mm² 9.7 x 6.4
  • Stepper motor driver
    • Simple STEP/DIR interface
    • Up to 1/8 microstepping indexer
    • Programmable mixed decay, blanking, and off time
  • 8V to 35V operating supply voltage range
  • Smart tune, slow, fast, and mixed decay options
  • High current capacity: 2.5A full-scale, 1.8A RMS
  • Low RDS(ON): 310mΩ HS + LS at 24V, 25°C
  • Separate logic supply voltage (VCC)
  • Pin-to-pin compatible with
  • Thermally-enhanced surface mount package
  • Protection features
    • VM Undervoltage Lockout (UVLO)
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • Indexer zero position output (HOMEn)
  • Stepper motor driver
    • Simple STEP/DIR interface
    • Up to 1/8 microstepping indexer
    • Programmable mixed decay, blanking, and off time
  • 8V to 35V operating supply voltage range
  • Smart tune, slow, fast, and mixed decay options
  • High current capacity: 2.5A full-scale, 1.8A RMS
  • Low RDS(ON): 310mΩ HS + LS at 24V, 25°C
  • Separate logic supply voltage (VCC)
  • Pin-to-pin compatible with
  • Thermally-enhanced surface mount package
  • Protection features
    • VM Undervoltage Lockout (UVLO)
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • Indexer zero position output (HOMEn)

The DRV8818A provides an integrated stepper motor driver for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers and microstepping indexer logic to control a stepper motor.

The output driver block for each consists of N-channel power MOSFETs configured as full H-bridges to drive the motor windings.

A simple STEP/DIR interface allows controller circuits to be easily interfaced. The mode pins allow for configuration of the motor in full-step, half-step, quarter-step, or eighth-step modes. Decay mode and PWM off time are programmable.

Internal shutdown functions are provided for over current protection, short circuit protection, under-voltage lockout and overtemperature.

The DRV8818A is packaged in a 28-pin HTSSOP package with PowerPAD™.

The DRV8818A provides an integrated stepper motor driver for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers and microstepping indexer logic to control a stepper motor.

The output driver block for each consists of N-channel power MOSFETs configured as full H-bridges to drive the motor windings.

A simple STEP/DIR interface allows controller circuits to be easily interfaced. The mode pins allow for configuration of the motor in full-step, half-step, quarter-step, or eighth-step modes. Decay mode and PWM off time are programmable.

Internal shutdown functions are provided for over current protection, short circuit protection, under-voltage lockout and overtemperature.

The DRV8818A is packaged in a 28-pin HTSSOP package with PowerPAD™.

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Documentación técnica

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* Data sheet DRV8818A 35V, 2.5A Stepper Motor Driver with 1/8 Microstepping, STEP/DIR Interface and Smart Tune Technology datasheet PDF | HTML 16 jul 2025

Diseño y desarrollo

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Placa de evaluación

DRV8818EVM — Módulo de evaluación DRV8818

The DRV8818 evaluation module (EVM) demonstrates the capabilities and performance of the DRV8818 integrated micro-stepping motor driver from Texas Instruments. This EVM comes with an on-board MSP430 microprocessor which has been pre-programmed for standalone operation. The regulated voltage for the (...)

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Pedidos y calidad

Información incluida:
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  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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