DRV8889QWRGERQ1
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Texas Instruments DRV8889QWRGERQ1

Manufacturer No:
DRV8889QWRGERQ1
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
AUTOMOTIVE STEPPER DRIVER
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The DRV8889QWRGERQ1 is a fully integrated stepper motor driver designed by Texas Instruments for automotive applications. This device supports up to 1/256 levels of microstepping, enabling smooth motion profiles. It features an internal microstepping indexer, smart tune decay technology, and advanced stall detection algorithms. The DRV8889QWRGERQ1 is AEC-Q100 qualified, ensuring reliability in automotive environments. It integrates two N-channel power MOSFET H-bridge drivers and an internal current sense architecture, eliminating the need for external power sense resistors and reducing system cost and PCB area.

Key Specifications

Parameter Min Max Unit
Power Supply Voltage (VM) -0.3 45 V
Output Current (Full Scale) 1.5 A
Output Current (Peak) 2.4 A
High-Side FET On Resistance (RDS(ONH)) at 25°C 450 550 550
Low-Side FET On Resistance (RDS(ONL)) at 25°C 450 550 550
Operating Temperature Range -40 150 °C
Sleep Mode Current 2 μA

Key Features

  • Up to 1/256 microstepping for smooth motion profiles
  • Integrated current sense functionality, eliminating the need for external sense resistors
  • Smart tune decay technology for optimal current regulation performance
  • Fixed slow and mixed decay options
  • Configurable off-time PWM chopping
  • Simple STEP/DIR interface for direction and step rate management
  • Full duplex, 4-wire synchronous SPI communication with daisy chain support for up to 63 devices
  • Low-power sleep mode (2 μA)
  • Programmable output slew rate and open load detection time
  • Spread spectrum clocking to minimize EMI
  • Torque DAC for scaling output current without scaling VREF voltage
  • Protection features: VM undervoltage lockout, overcurrent protection, stall detection, open load detection, overtemperature warning and shutdown, undertemperature warning, and fault condition indication pin (nFAULT)

Applications

  • Automotive bipolar stepper motors
  • Headlight position adjustment
  • Head-up display (HUD)
  • HVAC stepper motors
  • Electronic fuel injection (EFI)

Q & A

  1. What is the maximum output current of the DRV8889QWRGERQ1?

    The DRV8889QWRGERQ1 can provide up to 2.4-A peak and 1.5-A full-scale output current.

  2. What is the operating voltage range of the DRV8889QWRGERQ1?

    The device operates with a supply voltage range from 4.5 to 45 V.

  3. Does the DRV8889QWRGERQ1 require external sense resistors?

    No, the device integrates an internal current sense architecture, eliminating the need for external power sense resistors.

  4. What communication interface does the DRV8889QWRGERQ1 support?

    The device supports full duplex, 4-wire synchronous SPI communication with daisy chain support for up to 63 devices.

  5. What are the key protection features of the DRV8889QWRGERQ1?

    The device includes VM undervoltage lockout, overcurrent protection, stall detection, open load detection, overtemperature warning and shutdown, undertemperature warning, and a fault condition indication pin (nFAULT).

  6. How does the smart tune decay technology work?

    Smart tune decay technology automatically adjusts for optimal current regulation performance and compensates for motor variation and aging effects.

  7. What is the purpose of the torque DAC feature?

    The torque DAC feature allows the controller to scale the output current without needing to scale the VREF voltage reference.

  8. Does the DRV8889QWRGERQ1 support low-power modes?
  9. What are the package options for the DRV8889QWRGERQ1?

    The device is available in HTSSOP (24-pin) and VQFN (24-pin) packages.

  10. Is the DRV8889QWRGERQ1 suitable for automotive applications?

Product Attributes

Motor Type - Stepper:Bipolar
Motor Type - AC, DC:- 
Function:Driver - Fully Integrated, Control and Power Stage
Output Configuration:Half Bridge (4)
Interface:SPI, Step/Direction
Technology:NMOS
Step Resolution:1 ~ 1/256
Applications:Automotive
Current - Output:1.5A
Voltage - Supply:0V ~ 5.5V
Voltage - Load:4.5V ~ 45V
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:24-VFQFN Exposed Pad
Supplier Device Package:24-VQFN (4x4)
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Similar Products

Part Number DRV8889QWRGERQ1 DRV8899QWRGERQ1 DRV8889AQWRGERQ1
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active
Motor Type - Stepper Bipolar Bipolar Bipolar
Motor Type - AC, DC - - -
Function Driver - Fully Integrated, Control and Power Stage Driver - Fully Integrated, Control and Power Stage Driver - Fully Integrated, Control and Power Stage
Output Configuration Half Bridge (4) Half Bridge (4) Half Bridge (4)
Interface SPI, Step/Direction SPI, Step/Direction SPI, Step/Direction
Technology NMOS NMOS NMOS
Step Resolution 1 ~ 1/256 1 ~ 1/256 1 ~ 1/256
Applications Automotive Automotive Automotive
Current - Output 1.5A 1A 1.5A
Voltage - Supply 0V ~ 5.5V 0V ~ 5.3V 0V ~ 5.5V
Voltage - Load 4.5V ~ 45V 4.5V ~ 45V 4.5V ~ 45V
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 24-VFQFN Exposed Pad 24-VFQFN Exposed Pad 24-VFQFN Exposed Pad
Supplier Device Package 24-VQFN (4x4) 24-VQFN (4x4) 24-VQFN (4x4)

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