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)

DRV8873-Q1

ACTIVO

Automotive, current sensing 40V, 10A H-bridge motor driver with integrated current feedback

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DRV8873-Q1

ACTIVO
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Detalles del producto

Number of full bridges 1 Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Peak output current (A) 10 RDS(ON) (HS + LS) (mΩ) 150 Sleep current (µA) 15 Control mode Independent 1/2-Bridge, PH/EN, PWM Control interface Hardware (GPIO), SPI Features Current sense Amplifier, Integrated Current Sensing, Open-Load Detection Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125
Number of full bridges 1 Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Peak output current (A) 10 RDS(ON) (HS + LS) (mΩ) 150 Sleep current (µA) 15 Control mode Independent 1/2-Bridge, PH/EN, PWM Control interface Hardware (GPIO), SPI Features Current sense Amplifier, Integrated Current Sensing, Open-Load Detection Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 24 49.92 mm² 7.8 x 6.4
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C, TA
  • N-channel H-bridge motor driver
    • Drives one bidirectional brushed DC motor
    • Two unidirectional brushed DC motors
    • Solenoids or other resistive and inductive loads
  • 4.5-V to 38-V Operating voltage range
  • 10-A Peak current drive
  • Low HS + LS RDS(ON)
    • 150 mΩ at TJ = 25°C, 13.5 V
    • 250 mΩ at TJ = 150°C, 13.5 V
  • Integrated current sensing
  • Proportional current output (IPROPI)
  • Configurable control interface
    • PH/EN
    • PWM (IN1/IN2)
    • Independent half-bridge control
  • Supports 1.8-V, 3.3-V, 5-V logic inputs
  • SPI or hardware interface options
  • Small package and footprint
    • 24 HTSSOP PowerPAD™ IC package
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Output short to battery and short to ground protection
    • Open load detection
    • Thermal shutdown (TSD)
    • Fault condition output (nFAULT / SPI)
  • Spread spectrum clocking for low electromagnetic interference (EMI)
  • Functional Safety-Capable
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C, TA
  • N-channel H-bridge motor driver
    • Drives one bidirectional brushed DC motor
    • Two unidirectional brushed DC motors
    • Solenoids or other resistive and inductive loads
  • 4.5-V to 38-V Operating voltage range
  • 10-A Peak current drive
  • Low HS + LS RDS(ON)
    • 150 mΩ at TJ = 25°C, 13.5 V
    • 250 mΩ at TJ = 150°C, 13.5 V
  • Integrated current sensing
  • Proportional current output (IPROPI)
  • Configurable control interface
    • PH/EN
    • PWM (IN1/IN2)
    • Independent half-bridge control
  • Supports 1.8-V, 3.3-V, 5-V logic inputs
  • SPI or hardware interface options
  • Small package and footprint
    • 24 HTSSOP PowerPAD™ IC package
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Output short to battery and short to ground protection
    • Open load detection
    • Thermal shutdown (TSD)
    • Fault condition output (nFAULT / SPI)
  • Spread spectrum clocking for low electromagnetic interference (EMI)
  • Functional Safety-Capable

The DRV8873-Q1 device is an integrated driver IC for driving a brushed DC motor in automotive applications. Two logic inputs control the H-bridge driver, which consists of four N-channel MOSFETs that drive motors bi-directionally with up to 10-A peak current. The device operates from a single power supply and supports a wide input supply range from 4.5 V to 38 V.

A PH/EN or PWM interface allows simple interfacing to controller circuits. Alternatively, independent half-bridge control is available to drive two solenoid loads.

Integrated current sensing provides an output current proportional to the motor load current of both hide-side FETs without the need for high-power sense resistors. This can be used to detect motor stall or change in load conditions.

A low-power sleep mode is provided to achieve very-low quiescent current draw by shutting down much of the internal circuitry. Internal protection functions are provided for undervoltage lockout, charge pump faults, overcurrent protection, short-circuit protection, open-load detection, and overtemperature. Fault conditions are indicated on an nFAULT pin and through the SPI registers.

The DRV8873-Q1 device is an integrated driver IC for driving a brushed DC motor in automotive applications. Two logic inputs control the H-bridge driver, which consists of four N-channel MOSFETs that drive motors bi-directionally with up to 10-A peak current. The device operates from a single power supply and supports a wide input supply range from 4.5 V to 38 V.

A PH/EN or PWM interface allows simple interfacing to controller circuits. Alternatively, independent half-bridge control is available to drive two solenoid loads.

Integrated current sensing provides an output current proportional to the motor load current of both hide-side FETs without the need for high-power sense resistors. This can be used to detect motor stall or change in load conditions.

A low-power sleep mode is provided to achieve very-low quiescent current draw by shutting down much of the internal circuitry. Internal protection functions are provided for undervoltage lockout, charge pump faults, overcurrent protection, short-circuit protection, open-load detection, and overtemperature. Fault conditions are indicated on an nFAULT pin and through the SPI registers.
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Documentación técnica

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* Data sheet DRV8873-Q1 Automotive H-Bridge Motor Driver datasheet (Rev. B) PDF | HTML 16 dic 2020
Application brief Advantages of Integrated Current Sensing (Rev. B) PDF | HTML 20 jun 2022
Application note Using DRV to Drive Solenoids (Rev. A) PDF | HTML 24 abr 2022
Application brief Open Load Detection in Integrated Drivers (Rev. C) PDF | HTML 31 mar 2022
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 14 oct 2021
More literature TI Motor Drives Automotive Body Motors Webinar 02 jul 2021
Application note Daisy Chain Implementation for Serial Peripheral Interface (Rev. A) 07 abr 2021
Technical article How analog integration simplifies automotive body motor controller designs PDF | HTML 23 oct 2020
Technical article How to efficiently drive 12-V and 24-V engine loads in automotive systems PDF | HTML 09 jul 2020
Functional safety information DRV8873-Q1 Functional Safety FIT, FMD & PinFMA PDF | HTML 27 may 2020
Application note Protecting Automotive Motor Drive Systems from Reverse Polarity Conditions (Rev. A) 19 feb 2019
User guide DRV8873x-Q1EVM GUI User's Guide (Rev. B) 10 dic 2018
User guide DRV8873x-Q1EVM User’s Guide (Rev. B) 10 dic 2018
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) 06 jul 2018
Application brief PowerPAD™ Made Easy (Rev. B) 12 may 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

DRV8873H-Q1EVM — Controlador de motor de puente H de 10 A para automoción con interfaz de hardware y EVM de detección

The DRV8873 is an integrated driver for industrial and automotive applications. With 10 A peak current capability and 4.5-38V voltage range, this device supports a wide range of applications.

PH/EN or PWM interface allows simple interfacing to controller circuits while also allowing independent (...)

Guía del usuario: PDF
No disponible en TI.com
Placa de evaluación

DRV8873S-Q1EVM — Controlador de motor de puente H de 10 A para automoción con interfaz de SPI y EVM de detección de c

The DRV8873 is an integrated driver for industrial and automotive applications. With 10 A peak current capability and 4.5-38V voltage range, this device supports a wide range of applications. PH/EN or PWM interface allows simple interfacing to controller circuits while also allowing independent (...)
Guía del usuario: PDF
No disponible en TI.com
Modelo de simulación

DRV8876-Q1 PSpice Transient Simulation (Rev. A)

SLVMCQ2A.ZIP (113 KB) - PSpice Model
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Diseños de referencia

TIDA-020027 — Diseño de referencia de módulo de espejo lateral con todas las funciones de automoción

The modern luxury side mirror includes many convenient features that allow for a better and safer experience for the driver beyond simple X-Y directional control of the mirror. This includes automatically dimming mirrors for glare reduction; mirror assembly folding to prevent damage in tight (...)
Design guide: PDF
Esquema: PDF
Diseños de referencia

TIDA-020008 — Diseño de referencia de asientos eléctricos para automoción

This reference design provides the drive and control circuits for motor-driven applications such as automotive power seats, using both bi-directional and unidirectional motor drives. It demonstrates how to drive brushed DC motors with a small board footprint, a high degree of robustness and full (...)
Design guide: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HTSSOP (PWP) 24 Ultra Librarian
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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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