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Controladores para motores
Drivers para motores paso a paso

DRV8899-Q1

ACTIVO

Controlador de motor bipolar de paso de 50 V y 1.0 A para automoción con detección de corriente inte

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DRV8899-Q1

ACTIVO
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Detalles del producto

Number of full bridges 2 Vs (min) (V) 4.5 Vs ABS (max) (V) 50 Full-scale current (A) 1 Peak output current (A) 1.7 RDS(ON) (HS + LS) (mΩ) 1200 Sleep current (µA) 2 Control mode STEP/DIR Control interface Hardware (GPIO), SPI Microstepping levels 256 Features Integrated Current Sensing, Open-Load Detection, Smart Tune Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable
Number of full bridges 2 Vs (min) (V) 4.5 Vs ABS (max) (V) 50 Full-scale current (A) 1 Peak output current (A) 1.7 RDS(ON) (HS + LS) (mΩ) 1200 Sleep current (µA) 2 Control mode STEP/DIR Control interface Hardware (GPIO), SPI Microstepping levels 256 Features Integrated Current Sensing, Open-Load Detection, Smart Tune Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable
VQFN (RGE) 24 16 mm² 4 x 4
  • AEC-Q100 Qualified for Automotive
  • Up to 1/256 microstepping
  • Integrated current sense functionality
    • No sense resistors required
  • Smart tune decay technology, Fixed slow, and mixed decay options
  • 4.5 to 45-V Operating supply voltage range
  • Pin to pin RDS(ON) variants:

    - DRV8889/A-Q1: 900 mΩ HS + LS at 25°C

    - DRV8899-Q1: 1200 mΩ HS + LS at 25°C
  • High current capacity per bridge
    • DRV8889/A-Q1: 2.4-A peak, 1.5-A full-scale
    • DRV8899-Q1: 1.7-A peak, 1-A full-scale
  • TRQ_DAC bits to scale full-scale current
  • Configurable off-time PWM chopping
  • Simple STEP/DIR interface
  • SPI with daisy chain support
  • Low-current sleep mode (2 µA)
  • Programmable output slew rate
  • Spread spectrum clocking to minimize EMI
  • Protection features
    • VM undervoltage lockout
    • Overcurrent protection
    • Open load detection
    • Overtemperature warning and shutdown
    • Undertemperature warning
    • Fault condition indication pin (nFAULT)
  • Functional Safety-Capable
  • AEC-Q100 Qualified for Automotive
  • Up to 1/256 microstepping
  • Integrated current sense functionality
    • No sense resistors required
  • Smart tune decay technology, Fixed slow, and mixed decay options
  • 4.5 to 45-V Operating supply voltage range
  • Pin to pin RDS(ON) variants:

    - DRV8889/A-Q1: 900 mΩ HS + LS at 25°C

    - DRV8899-Q1: 1200 mΩ HS + LS at 25°C
  • High current capacity per bridge
    • DRV8889/A-Q1: 2.4-A peak, 1.5-A full-scale
    • DRV8899-Q1: 1.7-A peak, 1-A full-scale
  • TRQ_DAC bits to scale full-scale current
  • Configurable off-time PWM chopping
  • Simple STEP/DIR interface
  • SPI with daisy chain support
  • Low-current sleep mode (2 µA)
  • Programmable output slew rate
  • Spread spectrum clocking to minimize EMI
  • Protection features
    • VM undervoltage lockout
    • Overcurrent protection
    • Open load detection
    • Overtemperature warning and shutdown
    • Undertemperature warning
    • Fault condition indication pin (nFAULT)
  • Functional Safety-Capable

The DRV8899-Q1 is a fully integrated stepper motor driver, supporting up to 1 A full scale current with an internal microstepping indexer, smart tune decay technology, and integrated current sensing. With a simple step/dir interface to manage the direction and step rate, DRV8899-Q1 supports up to 1/256 levels of microstepping to enable a smooth motion profile. Integrated current sensing eliminates the need for two external resistors, saving board space and cost. DRV8899-Q1 provides 8 decay mode options including: smart tune, slow, and mixed decay options. Smart tune automatically adjusts for optimal current regulation performance and compensates for any motor variation and aging effects. The device also includes an integrated torque DAC which allows for the controller to scale the output current through SPI without needing to scale the VREF voltage reference. A low-power sleep mode is provided for very low standby current using an nSLEEP pin. The device features full duplex, 4-wire synchronous SPI communication, with daisy chain support for up to 63 devices connected in series, for configurability and detailed fault reporting. View our full portfolio of stepper motor drivers on ti.com.

The DRV8899-Q1 is a fully integrated stepper motor driver, supporting up to 1 A full scale current with an internal microstepping indexer, smart tune decay technology, and integrated current sensing. With a simple step/dir interface to manage the direction and step rate, DRV8899-Q1 supports up to 1/256 levels of microstepping to enable a smooth motion profile. Integrated current sensing eliminates the need for two external resistors, saving board space and cost. DRV8899-Q1 provides 8 decay mode options including: smart tune, slow, and mixed decay options. Smart tune automatically adjusts for optimal current regulation performance and compensates for any motor variation and aging effects. The device also includes an integrated torque DAC which allows for the controller to scale the output current through SPI without needing to scale the VREF voltage reference. A low-power sleep mode is provided for very low standby current using an nSLEEP pin. The device features full duplex, 4-wire synchronous SPI communication, with daisy chain support for up to 63 devices connected in series, for configurability and detailed fault reporting. View our full portfolio of stepper motor drivers on ti.com.
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Documentación técnica

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* Data sheet DRV8899-Q1 Automotive Stepper Driver with Integrated Current Sense and 1/256 Micro-Stepping datasheet (Rev. B) PDF | HTML 20 abr 2021
Application brief Advantages of Integrated Current Sensing (Rev. B) PDF | HTML 20 jun 2022
Application note Daisy Chain Implementation for Serial Peripheral Interface (Rev. A) 07 abr 2021
Functional safety information DRV8899-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 08 mar 2021
Application note Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) PDF | HTML 19 ene 2021
User guide DRV8899-Q1EVM GUI User's Guide (Rev. A) 11 oct 2019
EVM User's guide DRV8899-Q1 EMV User's Guide 03 oct 2019
White paper How smart tune regulates current in stepper motors (Rev. A) 19 mar 2019
Application note Protecting Automotive Motor Drive Systems from Reverse Polarity Conditions (Rev. A) 19 feb 2019
Application brief Smart Tuning for Efficient Stepper Driving 20 nov 2018

Diseño y desarrollo

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Placa de evaluación

DRV8899-Q1EVM — Controlador de paso para automoción con EVM de detección de corriente integrada y micropasos 1/256

The DRV8899-Q1 evaluation module (EVM) allows easy evaluation of the DRV8899-Q1 device. The DRV8899-Q1 device is an integrated, dual H-bridge driver for automotive stepper motor applications.

The evaluation module allows the device to be configured for all of its functional modes including (...)

Guía del usuario: PDF
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Modelo de simulación

IBIS Models for the SPI Interface Pins

SLVMDE8.ZIP (66 KB) - IBIS Model
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VQFN (RGE) 24 Ver opciones
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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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