DRV8824-Q1

ACTIVE

Automotive 45-V, 1.6-A bipolar stepper motor driver with current regulation and 1/32 microstepping

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Product details

Parameters

Number of full bridges 2 Vs (Min) (V) 8.2 Vs (Max) (V) 45 Full-scale current (A) 1.6 Peak output current (A) 1.8 RDS(ON) (HS + LS) (mOhms) 1280 Control mode STEP/DIR Control interface Hardware (GPIO) Micro-stepping levels 32 Features Current Regulation open-in-new Find other Stepper motor drivers

Package | Pins | Size

HTSSOP (PWP) 28 43 mm² 9.7 x 4.4 open-in-new Find other Stepper motor drivers

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified with the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4B
  • PWM Microstepping Motor Driver
    • Built-In Microstepping Indexer
    • Five-Bit Winding Current Control Allows Up to
      32 Current Levels
    • Low MOSFET On-Resistance
  • 1.6-A Maximum Drive Current at 24 V, 25°C
  • Built-In 3.3-V Reference Output
  • 8.2-V to 45-V Operating Supply Voltage Range
  • Thermally Enhanced HTSSOP Surface Mount Package
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Description

The DRV8824-Q1 provides an integrated motor driver solution for automotive applications. The device has two H-bridge drivers and a microstepping indexer, and is intended to drive a bipolar stepper motor. The output driver block for each consists of N-channel power MOSFET’s configured as full H-bridges to drive the motor windings. The DRV8824-Q1 is capable of driving up to 1.6-A of output current (with proper heatsinking, at 24 V and 25°C).

A simple step/direction interface allows easy interfacing to controller circuits. Terminals allow configuration of the motor in full-step up to 1/32-step modes. Decay mode is programmable.

Internal shutdown functions are provided for overcurrent protection, short circuit protection, undervoltage lockout and overtemperature.

The DRV8824-Q1 is available in a 28-terminal HTSSOP package with PowerPAD (Eco-friendly: RoHS & no Sb/Br).

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Technical documentation

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Type Title Date
* Datasheet DRV8824-Q1 Automotive Motor Controller IC datasheet Apr. 09, 2014
Technical articles Drive unipolar stepper motors as bipolar stepper motors with a simple wiring reconfiguration Apr. 09, 2020
Technical articles How stepper motors improve noise and efficiency in automotive system design Nov. 19, 2019
Application notes Best Practices for Board Layout of Motor Drivers (Rev. A) Jan. 22, 2019
Technical articles Getting smart about tuning your stepper motor Aug. 23, 2018
Technical articles The story of motor-drive integration Jan. 09, 2017
More literature TM4C123x Stepper Motor Control Product Summary Jul. 06, 2015

Design & development

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Design tools & simulation

SIMULATION MODELS Download
SLVMBL6.ZIP (24 KB) - IBIS Model

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 28 View options

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