Produktdetails

Number of full bridges 2 Vs (min) (V) 8 Vs ABS (max) (V) 40 Full-scale current (A) 1.5 Peak output current (A) 2.3 RDS(ON) (HS + LS) (mΩ) 860 Sleep current (µA) 20 Control mode STEP/DIR Control interface Hardware (GPIO) Microstepping levels 16 Features Current Regulation, Integrated Current Sensing Rating Catalog Operating temperature range (°C) -40 to 125
Number of full bridges 2 Vs (min) (V) 8 Vs ABS (max) (V) 40 Full-scale current (A) 1.5 Peak output current (A) 2.3 RDS(ON) (HS + LS) (mΩ) 860 Sleep current (µA) 20 Control mode STEP/DIR Control interface Hardware (GPIO) Microstepping levels 16 Features Current Regulation, Integrated Current Sensing Rating Catalog Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 24 49.92 mm² 7.8 x 6.4 WQFN (RHR) 28 19.25 mm² 5.5 x 3.5
  • PWM microstepping stepper motor driver
    • Up to 1/16 microstepping
    • Non-circular and standard ½ step modes
  • Integrated current sense functionality
    • No sense resistors required
    • ±6.25% Full-scale current accuracy
  • Slow and mixed decay options
  • 8.0- to 37-V Operating supply voltage range
  • Low RDS(ON): 0.86 Ω HS + LS at 24 V, 25°C
  • High current capacity
    • 1.5-A Full scale per bridge
    • 1.0-A rms per bridge
  • Fixed off-time PWM chopping
  • Simple STEP/DIR interface
  • Low-current sleep mode (20 µA)
  • Small package and footprint
    • 24 HTSSOP PowerPAD™ package
    • 28 WQFN package
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal shutdown (TSD)
    • Fault condition indication pin (nFAULT)
  • PWM microstepping stepper motor driver
    • Up to 1/16 microstepping
    • Non-circular and standard ½ step modes
  • Integrated current sense functionality
    • No sense resistors required
    • ±6.25% Full-scale current accuracy
  • Slow and mixed decay options
  • 8.0- to 37-V Operating supply voltage range
  • Low RDS(ON): 0.86 Ω HS + LS at 24 V, 25°C
  • High current capacity
    • 1.5-A Full scale per bridge
    • 1.0-A rms per bridge
  • Fixed off-time PWM chopping
  • Simple STEP/DIR interface
  • Low-current sleep mode (20 µA)
  • Small package and footprint
    • 24 HTSSOP PowerPAD™ package
    • 28 WQFN package
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal shutdown (TSD)
    • Fault condition indication pin (nFAULT)

The DRV8885 is a stepper motor driver for industrial equipment applications. The device has two N-channel power MOSFET H-bridge drivers, a microstepping indexer, and integrated current sense. The DRV8885 is capable of driving up to 1.5 A full scale or 1.0 A rms output current (depending on proper PCB ground plane for thermal dissipation and at 24 V and TA = 25°C).

The DRV8885 integrated current sense functionality eliminates the need for two external sense resistors.

The STEP/DIR pins provide a simple control interface. The device can be configured in full-step up to 1/16 step modes. A low-power sleep mode is provided for very-low quiescent current standby using a dedicated nSLEEP pin.

Internal protection functions are provided for undervoltage, charge pump faults, overcurrent, short circuits, and overtemperature. Fault conditions are indicated by an nFAULT pin.

The DRV8885 is a stepper motor driver for industrial equipment applications. The device has two N-channel power MOSFET H-bridge drivers, a microstepping indexer, and integrated current sense. The DRV8885 is capable of driving up to 1.5 A full scale or 1.0 A rms output current (depending on proper PCB ground plane for thermal dissipation and at 24 V and TA = 25°C).

The DRV8885 integrated current sense functionality eliminates the need for two external sense resistors.

The STEP/DIR pins provide a simple control interface. The device can be configured in full-step up to 1/16 step modes. A low-power sleep mode is provided for very-low quiescent current standby using a dedicated nSLEEP pin.

Internal protection functions are provided for undervoltage, charge pump faults, overcurrent, short circuits, and overtemperature. Fault conditions are indicated by an nFAULT pin.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet DRV8885 1.5-A Stepper Motor Driver With Integrated Current Sense datasheet (Rev. D) PDF | HTML 11 Mär 2020
Application brief Advantages of Integrated Current Sensing (Rev. B) PDF | HTML 20 Jun 2022
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 14 Okt 2021
Application note Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) PDF | HTML 19 Jan 2021
Application brief Small Motors in Large Appliances 20 Jul 2018
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) 06 Jul 2018
EVM User's guide DRV8885 Evaluation Module User's Guide 15 Okt 2015
Application brief PowerPAD™ Made Easy (Rev. B) 12 Mai 2004

Design und Entwicklung

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Evaluierungsplatine

DRV8885EVM — 1,5-A-Schrittmotortreiber mit integrierter Strommessung – Evaluierungsmodul

The DRV8885 evaluation module (EVM) demonstrates the integrated current sensing capabilities and performance of the DRV8885 integrated circuit from Texas Instruments. The EVM includes the DRV8885 to control a stepper motor, a MSP430F2617 to control the DRV8885 inputs, and a USB to UART to (...)

Benutzerhandbuch: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
HTSSOP (PWP) 24 Ultra Librarian
WQFN (RHR) 28 Ultra Librarian

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