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DRV8889-Q1

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Automotive 45-V, 1.5-A bipolar stepper motor driver, integrated current sensing & stall detection

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Product details

Parameters

Number of full bridges 2 Vs (Min) (V) 4.5 Vs (Max) (V) 45 Full-scale current (A) 1.5 Peak output current (A) 2.4 RDS(ON) (HS + LS) (mOhms) 900 Sleep current (uA) 2 Control mode STEP/DIR Control interface Hardware (GPIO), SPI Micro-stepping levels 256 Features Integrated Current Sensing, Open-Load Detection, Smart Tune, Stall Detection open-in-new Find other Stepper motor drivers

Package | Pins | Size

HTSSOP (PWP) 24 34 mm² 7.7 x 4.4 VQFN (RGE) 24 16 mm² 4 x 4 open-in-new Find other Stepper motor drivers

Features

  • 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
    • 7-µs, 16-µs, 24-µs, or 32-µs.
  • Simple STEP/DIR interface
  • SPI with daisy chain support
  • Low-current sleep mode (2 µA)
  • Programmable output slew rate
  • Programmable open load detection time with DRV8889A-Q1
  • Spread spectrum clocking to minimize EMI
  • Protection features
    • VM undervoltage lockout
    • Overcurrent protection
    • Stall detection
    • Open load detection
    • Overtemperature warning and shutdown
    • Undertemperature warning
    • Fault condition indication pin (nFAULT)

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Description

The DRV8889-Q1 and DRV8889A-Q1 are fully integrated stepper motor drivers, supporting up to 1.5 A full scale current with an internal microstepping indexer, smart tune decay technology, advanced stall detection algorithm, and integrated current sensing.

With a simple step/dir interface, the device 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. With advanced stall detection algorithm, designers can detect if the motor stopped and take action as needed which can improve efficiency and reduce noise. The device provides 8 decay mode options including: smart tune, slow, and mixed decay options. Smart tune automatically adjusts for optimal current regulation performance. 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 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.

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NEW DRV8899-Q1 ACTIVE Automotive 45-V, 1.0-A bipolar stepper motor driver with integrated current sensing Pin to pin part without stall detection

Technical documentation

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Type Title Date
* Datasheet DRV8889-Q1, DRV8889A-Q1 Automotive Stepper Driver with Integrated Current Sense, 1/256 Micro-Stepping, and Stall Detection datasheet (Rev. C) Aug. 13, 2020
White papers How to design heating and cooling systems for HEV/EVs... Sep. 29, 2020
Application notes How to Improve Motion Smoothness and Accuracy of Stepper Motors Sep. 18, 2020
White papers How to design heating and cooling systems for HEV/EVs Sep. 02, 2020
Application notes How to Reduce Audible Noise in Stepper Motors Apr. 21, 2020
Technical articles Drive unipolar stepper motors as bipolar stepper motors with a simple wiring reconfiguration Apr. 09, 2020
Application notes Various Reference Voltage Driving Techniques for Motor Drive Current Regulation (Rev. A) Jan. 27, 2020
Application notes Sensorless Stall Detection With the DRV8889-Q1 Jan. 10, 2020
Technical articles How stepper motors improve noise and efficiency in automotive system design Nov. 19, 2019
Application notes Open Load Detection in Intergrated Drivers (Rev. A) Nov. 07, 2019
Technical articles How semiconductor technologies are changing automotive lighting roadmaps Oct. 23, 2019
User guides DRV8889-Q1EVM Software User's Guide (Rev. A) Oct. 10, 2019
User guides DRV8889-Q1 Evaluation Module User's Guide Apr. 17, 2019
White papers How smart tune regulates current in stepper motors (Rev. A) Mar. 19, 2019
White papers Stepper motors made easy with smart tune (Rev. B) Mar. 19, 2019
Application notes Protecting Automotive Motor Drive Systems from Reverse Polarity Conditions (Rev. A) Feb. 19, 2019
Application notes Smart tune for quiet and smooth stepper motor operation Feb. 19, 2019
Application notes Best Practices for Board Layout of Motor Drivers (Rev. A) Jan. 22, 2019
Application notes Advantages of Integrated Current Sensing Jan. 07, 2019
Application notes Smart Tuning for Efficient Stepper Driving Nov. 20, 2018
Technical articles Getting smart about tuning your stepper motor Aug. 23, 2018
Application notes Daisy Chain Implementation for Serial Peripheral Interface Aug. 09, 2018
Application notes PowerPAD™ Thermally Enhanced Package (Rev. H) Jul. 06, 2018
Application notes PowerPAD™ Made Easy (Rev. B) May 12, 2004

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
75
Description

The DRV8889-Q1 evaluation module (EVM) allows easy evaluation of the DRV8889-Q1 device. The DRV8889-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 (...)

Features
  • 4.5-V to 40-V operating voltage range
  • Full stepping and microstepping modes down to 1/256
  • Programmable decay modes for stepper tuning, including dynamic decay and ripple control smart tuning modes
  • Stall detection
  • Slip detection

Design tools & simulation

SIMULATION MODELS Download
SLVMDE8.ZIP (66 KB) - IBIS Model

Reference designs

REFERENCE DESIGNS Download
Stepper-motor driver reference design for adaptive front lights and dynamic headlight leveling
TIDA-020026 — This reference design details a solution to drive and control two stepper motors for dynamic headlight leveling and swiveling in automotive headlight applications such as an adaptive LED driving module or a high-resolution DLP module. It uses a local interconnect network (LIN) system basic chip with (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 24 View options
VQFN (RGE) 24 View options

Ordering & quality

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