DRV8424E

ACTIVO

Controlador de motor bipolar de paso o doble cepillado de 35 V y 2.5 A con detección de corriente in

Detalles del producto

Vs ABS (max) (V) 35 Vs (min) (V) 4.5 Peak output current (A) 4 Control mode PH/EN, PWM Control interface Hardware (GPIO) Number of full bridges 2 Full-scale current (A) 2.5 RDS(ON) (HS + LS) (mΩ) 330 Sleep current (µA) 2 Decay mode Fast, Mixed, Smart Tune Features Current Regulation, Integrated Current Sensing, Smart Tune Rating Catalog Operating temperature range (°C) -40 to 125
Vs ABS (max) (V) 35 Vs (min) (V) 4.5 Peak output current (A) 4 Control mode PH/EN, PWM Control interface Hardware (GPIO) Number of full bridges 2 Full-scale current (A) 2.5 RDS(ON) (HS + LS) (mΩ) 330 Sleep current (µA) 2 Decay mode Fast, Mixed, Smart Tune Features Current Regulation, Integrated Current Sensing, Smart Tune Rating Catalog Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 28 62.08 mm² (9.7 mm × 6.4 mm) VQFN (RGE) 24 16 mm² (4 mm × 4 mm)
  • Dual H-bridge motor driver
    • One bipolar stepper motor
    • Dual bidirectional brushed-DC motors
    • Four unidirectional brushed-DC motors
  • Integrated current sense functionality
    • No sense resistors required
    • ±5% Full-scale current accuracy
  • 4.5-V to 33-V Operating supply voltage range
  • Multiple control interface options
    • PHASE/ENABLE (PH/EN)
    • PWM (IN/IN)
  • Smart tune, fast and mixed decay options
  • Low RDS(ON):
    • DRV8424E/P: 330 mΩ HS + LS at 24 V, 25°C
    • DRV8425E/P: 550 mΩ HS + LS at 24 V, 25°C
  • High Current Capacity Per Bridge
    • DRV8424E/P: 4-A peak (brushed), 2.5-A full-scale (stepper)
    • DRV8425E/P: 3.2-A peak (brushed), 2-A full-scale (stepper)

    Pin to pin compatible with -

  • Configurable Off-Time PWM Chopping
    • 7, 16, 24 or 32 µs
  • Supports 1.8-V, 3.3-V, 5.0-V logic inputs
  • Low-current sleep mode (2 µA)
  • Spread spectrum clocking for low electromagnetic interference (EMI)
  • Inrush current limiting in brushed-DC applications
  • Small package and footprint
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal shutdown (OTSD)
    • Fault condition output (nFAULT)]
  • Dual H-bridge motor driver
    • One bipolar stepper motor
    • Dual bidirectional brushed-DC motors
    • Four unidirectional brushed-DC motors
  • Integrated current sense functionality
    • No sense resistors required
    • ±5% Full-scale current accuracy
  • 4.5-V to 33-V Operating supply voltage range
  • Multiple control interface options
    • PHASE/ENABLE (PH/EN)
    • PWM (IN/IN)
  • Smart tune, fast and mixed decay options
  • Low RDS(ON):
    • DRV8424E/P: 330 mΩ HS + LS at 24 V, 25°C
    • DRV8425E/P: 550 mΩ HS + LS at 24 V, 25°C
  • High Current Capacity Per Bridge
    • DRV8424E/P: 4-A peak (brushed), 2.5-A full-scale (stepper)
    • DRV8425E/P: 3.2-A peak (brushed), 2-A full-scale (stepper)

    Pin to pin compatible with -

  • Configurable Off-Time PWM Chopping
    • 7, 16, 24 or 32 µs
  • Supports 1.8-V, 3.3-V, 5.0-V logic inputs
  • Low-current sleep mode (2 µA)
  • Spread spectrum clocking for low electromagnetic interference (EMI)
  • Inrush current limiting in brushed-DC applications
  • Small package and footprint
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal shutdown (OTSD)
    • Fault condition output (nFAULT)]

The DRV8424E/P, DRV8425E/P devices are dual H-bridge motor drivers for a wide variety of industrial applications. The devices can be used for driving two DC motors, or a bipolar stepper motor.

The output stage of the driver consists of N-channel power MOSFETs configured as two full H-bridges, charge pump regulator, current sensing and regulation, and protection circuitry. The integrated current sensing uses an internal current mirror architecture, removing the need for a large power shunt resistor, saving board area and reducing system cost. A low-power sleep mode is provided to achieve ultra- low quiescent current draw by shutting down most of the internal circuitry. Internal protection features are provided for supply undervoltage lockout (UVLO), charge pump undervoltage (CPUV), output overcurrent (OCP), and device overtemperature (OTSD).

The DRV8424E/P is capable of driving a stepper motor with up to 2.5-A full scale or brushed motors with up to 4-A peak; and the DRV8425E/P is capable of driving a stepper motor with up to 2-A full scale or brushed motors with up to 3.2-A peak (dependent on PCB design).

The DRV8424E/P, DRV8425E/P devices are dual H-bridge motor drivers for a wide variety of industrial applications. The devices can be used for driving two DC motors, or a bipolar stepper motor.

The output stage of the driver consists of N-channel power MOSFETs configured as two full H-bridges, charge pump regulator, current sensing and regulation, and protection circuitry. The integrated current sensing uses an internal current mirror architecture, removing the need for a large power shunt resistor, saving board area and reducing system cost. A low-power sleep mode is provided to achieve ultra- low quiescent current draw by shutting down most of the internal circuitry. Internal protection features are provided for supply undervoltage lockout (UVLO), charge pump undervoltage (CPUV), output overcurrent (OCP), and device overtemperature (OTSD).

The DRV8424E/P is capable of driving a stepper motor with up to 2.5-A full scale or brushed motors with up to 4-A peak; and the DRV8425E/P is capable of driving a stepper motor with up to 2-A full scale or brushed motors with up to 3.2-A peak (dependent on PCB design).

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos DRV8424E/P, DRV8425E/P Dual H-Bridge Motor Drivers With Integrated Current Sense and Smart Tune Technology datasheet (Rev. B) PDF | HTML 20/04/2021
Application brief Advantages of Integrated Current Sensing (Rev. B) PDF | HTML 20/06/2022
Nota sobre la aplicación Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) PDF | HTML 19/01/2021
Guía del usuario DRV84XX_89XX_8256X EVM GUI User's Guide (Rev. D) 30/10/2020
Nota sobre la aplicación How to Reduce Audible Noise in Stepper Motors (Rev. A) PDF | HTML 21/04/2020
Informe How smart tune regulates current in stepper motors (Rev. A) 19/03/2019
Application brief Smart Tuning for Efficient Stepper Driving 20/11/2018
Nota sobre la aplicación PowerPAD™ Thermally Enhanced Package (Rev. H) 6/07/2018
Application brief PowerPAD™ Made Easy (Rev. B) 12/05/2004

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

DRV8424EEVM — Placa de controlador de motor de paso de interfaz de control DRV8424 FASES/EN

El módulo de evaluación (EVM) DRV8424E permite una fácil evaluación del dispositivo DRV8424E.

Los dispositivos DRV8424E son soluciones integradas de controlador de motor para motores paso a paso bipolares o motores de CC con escobillas. El dispositivo integra dos puentes en H MOSFET de potencia de (...)

Guía del usuario: PDF
Productos y hardware compatibles
En inventario
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No disponible
Placa de evaluación

DRV8424PEVM — Placa de controlador de motor de paso de interfaz de control DRV8424 PWM

El módulo de evaluación (EVM) DRV8424P permite una fácil evaluación del dispositivo DRV8424P.

Los dispositivos DRV8424P son soluciones integradas de controlador de motor para motores paso a paso bipolares o motores de CC con escobillas. El dispositivo integra dos puentes en H MOSFET de potencia de (...)

Guía del usuario: PDF
Productos y hardware compatibles
En inventario
Límite:
??asset.out-of-stock-ti_es_MX??
No disponible
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HTSSOP (PWP) 28 Ultra Librarian
VQFN (RGE) 24 Ultra Librarian

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