Inicio Controladores para motores Drivers para motores de corriente continua con escobillas (BDC)
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Controladores para motores
Drivers para motores de corriente continua con escobillas (BDC)

DRV8701

ACTIVO

Controlador de puerta inteligente de puente H de 47 V

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DRV8701

ACTIVO
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Detalles del producto

Number of full bridges 1 Vs (min) (V) 5.9 Vs ABS (max) (V) 47 Sleep current (µA) 9 Control mode PH/EN, PWM Control interface Hardware (GPIO) Features Current Regulation, Current sense Amplifier, Smart Gate Drive Rating Catalog Operating temperature range (°C) -40 to 125
Number of full bridges 1 Vs (min) (V) 5.9 Vs ABS (max) (V) 47 Sleep current (µA) 9 Control mode PH/EN, PWM Control interface Hardware (GPIO) Features Current Regulation, Current sense Amplifier, Smart Gate Drive Rating Catalog Operating temperature range (°C) -40 to 125
VQFN (RGE) 24 16 mm² 4 x 4
  • Single H-Bridge Gate Driver
    • Drives Four External N-Channel MOSFETs
    • Supports 100% PWM Duty Cycle
  • 5.9-V to 45-V Operating Supply Voltage Range
  • Two Control Interface Options
    • PH/EN (DRV8701E)
    • PWM (DRV8701P)
  • Adjustable Gate Drive (5 Levels)
    • 6-mA to 150-mA Source Current
    • 12.5-mA to 300-mA Sink Current
  • Supports 1.8-V, 3.3-V, and 5-V Logic Inputs
  • Current Shunt Amplifier (20 V/V)
  • Integrated PWM Current Regulation
    • Limits Motor Inrush Current
  • Low-Power Sleep Mode (9 µA)
  • Two LDO Voltage Regulators to Power External
    Components
    • AVDD: 4.8 V, up to 30-mA Output Load
    • DVDD: 3.3 V, up to 30-mA Output Load
  • Small Package and Footprint
    • 24-Pin VQFN (PowerPAD™)
    • 4.0 × 4.0 × 0.9 mm
  • Protection Features:
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • Overcurrent Protection (OCP)
    • Pre-Driver Fault (PDF)
    • Thermal Shutdown (TSD)
    • Fault Condition Output (nFAULT)
  • Single H-Bridge Gate Driver
    • Drives Four External N-Channel MOSFETs
    • Supports 100% PWM Duty Cycle
  • 5.9-V to 45-V Operating Supply Voltage Range
  • Two Control Interface Options
    • PH/EN (DRV8701E)
    • PWM (DRV8701P)
  • Adjustable Gate Drive (5 Levels)
    • 6-mA to 150-mA Source Current
    • 12.5-mA to 300-mA Sink Current
  • Supports 1.8-V, 3.3-V, and 5-V Logic Inputs
  • Current Shunt Amplifier (20 V/V)
  • Integrated PWM Current Regulation
    • Limits Motor Inrush Current
  • Low-Power Sleep Mode (9 µA)
  • Two LDO Voltage Regulators to Power External
    Components
    • AVDD: 4.8 V, up to 30-mA Output Load
    • DVDD: 3.3 V, up to 30-mA Output Load
  • Small Package and Footprint
    • 24-Pin VQFN (PowerPAD™)
    • 4.0 × 4.0 × 0.9 mm
  • Protection Features:
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • Overcurrent Protection (OCP)
    • Pre-Driver Fault (PDF)
    • Thermal Shutdown (TSD)
    • Fault Condition Output (nFAULT)

The DRV8701 is a single H-bridge gate driver that uses four external N-channel MOSFETs targeted to drive a 12-V to 24-V bidirectional brushed DC motor.

A PH/EN (DRV8701E) or PWM (DRV8701P) interface allows simple interfacing to controller circuits. An internal sense amplifier allows for adjustable current control. The gate driver includes circuitry to regulate the winding current using fixed off-time PWM current chopping.

DRV8701 drives both high- and low-side FETs with 9.5-V VGS gate drive. The gate drive current for all external FETs is configurable with a single external resistor on the IDRIVE pin.

A low-power sleep mode is provided which shuts down internal circuitry to achieve very-low quiescent current draw. This sleep mode can be set by taking the nSLEEP pin low.

Internal protection functions are provided: undervoltage lockout, charge pump faults, overcurrent shutdown, short-circuit protection, predriver faults, and overtemperature. Fault conditions are indicated on the nFAULT pin.

The DRV8701 is a single H-bridge gate driver that uses four external N-channel MOSFETs targeted to drive a 12-V to 24-V bidirectional brushed DC motor.

A PH/EN (DRV8701E) or PWM (DRV8701P) interface allows simple interfacing to controller circuits. An internal sense amplifier allows for adjustable current control. The gate driver includes circuitry to regulate the winding current using fixed off-time PWM current chopping.

DRV8701 drives both high- and low-side FETs with 9.5-V VGS gate drive. The gate drive current for all external FETs is configurable with a single external resistor on the IDRIVE pin.

A low-power sleep mode is provided which shuts down internal circuitry to achieve very-low quiescent current draw. This sleep mode can be set by taking the nSLEEP pin low.

Internal protection functions are provided: undervoltage lockout, charge pump faults, overcurrent shutdown, short-circuit protection, predriver faults, and overtemperature. Fault conditions are indicated on the nFAULT pin.
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Documentación técnica

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* Data sheet DRV8701 Brushed DC Motor Full-Bridge Gate Driver datasheet (Rev. B) PDF | HTML 06 jul 2015
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 14 oct 2021
Application note Understanding Smart Gate Drive (Rev. D) 01 mar 2021
Application note Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) PDF | HTML 19 ene 2021
Application note Detecting Short to Battery and Ground Conditions with TI Motor Gate Drivers PDF | HTML 29 may 2020
Technical article Automating smart home blinds, shades and shutters with motor drivers PDF | HTML 02 ene 2020
White paper Smart Gate Drive 02 jul 2019
Application note Cut-Off Switch in High-Current Motor-Drive Applications (Rev. A) 20 ago 2018
Technical article Motor Drive forum top FAQs: 3 methods to prevent electrical overstress PDF | HTML 21 dic 2015
Technical article Evolution of the brushed DC driver PDF | HTML 26 oct 2015
Technical article Motor drive forum top FAQs: Electrical overstress PDF | HTML 22 sep 2015
Technical article Simplifying gate driver design for brushed DC motors PDF | HTML 30 jun 2015

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

DRV8701EVM — Módulo de evaluación de controlador de puerta de motor CC con escobillas de puente completo DRV8701

The DRV8701EVM (evaluation module) serves as an evaluation kit to demonstrate TI’s DRV8701 H-bridge gate driver. An MSP430G2553 is used to control the speed and direction of the motor, while also monitoring the motor current from the DRV8701. The power stage is created using the DRV8701 (...)

Guía del usuario: PDF
No disponible en TI.com
Modelo de simulación

DRV8701 TINA-TI Transient Reference Design

SLVMB82.TSC (673 KB) - TINA-TI Reference Design
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Modelo de simulación

DRV8701 TINA-TI Transient Spice Model

SLVMB81.ZIP (101 KB) - TINA-TI Spice Model
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Modelo de simulación

DRV8701E Transient Simulation Model (Rev. A)

SLVMAR3A.ZIP (90 KB) - PSpice Model
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Diseños de referencia

TIDA-00875 — Diseño de referencia de DC monofásico sin escobillas (BLDC) con controlador de motor con escobillas

TIDA-00875 demonstrates how to reconfigure existing brushed motor drivers to control single phase brushless (BLDC) motors. The DRV8801 and DRV8701 are used to control a single phase BLDC motor. The DRV8801 design controls the motor at 100% duty cycle. When the device is powered up, the motor runs. (...)
Design guide: PDF
Esquema: PDF
Diseños de referencia

TIDA-00620 — Diseño de referencia de motor CC con escobillas de 12 a 24 V y 27 A

Brushed motors are a relatively popular option for motor designs because of their low price and simple control scheme.  A brushed motor has a wire-wound rotor and permanent magnet stator.  The commutation of the motor is achieved using conductive rings that are connected to the rotor (...)
Design guide: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN (RGE) 24 Ultra Librarian
Se aplican los Términos y condiciones estándar de TI para los elementos de evaluación.

Pedidos y calidad

Información incluida:
  • RoHS
  • 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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Soporte y capacitación

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