DRV8873-Q1

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Automotive 38-V, 10-A H-bridge motor driver with integrated current sensing & current sense feedback

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Product details

Parameters

Number of full bridges 1 Vs (Min) (V) 4.5 Vs (Max) (V) 37 Peak output current (A) 10 RDS(ON) (HS + LS) (mOhms) 150 Sleep current (uA) 15 Control mode Independent 1/2-Bridge, PH/EN, PWM Control interface Hardware (GPIO), SPI Features Current Sense Amplifier, Integrated Current Sensing, Open-Load Detection Rating Automotive TI functional safety category Functional Safety-Capable open-in-new Find other Brushed DC (BDC) motor drivers

Package | Pins | Size

HTSSOP (PWP) 24 34 mm² 7.7 x 4.4 open-in-new Find other Brushed DC (BDC) motor drivers

Features

  • AEC-Q100 Qualified For Automotive Applications
    • Device Temperature Grade 1: –40°C to +125°C, TA
  • H-Bridge Motor Driver
    • Drives One DC Motor, One Winding of a Stepper Motor, or Solenoid Loads
  • 4.5-V to 38-V Operating Voltage Range
  • 10-A Peak Current Drive
  • Low HS + LS RDS(ON)
    • 150 mΩ at TJ = 25°C, 13.5 V
    • 250 mΩ at TJ = 150°C, 13.5 V
  • Current Mirror for Output Current Sensing
  • Configurable Control Interface
    • PH/EN
    • PWM (IN1/IN2)
    • Independent Half-Bridge Control
  • Supports 1.8-V, 3.3-V, 5-V Logic Inputs
  • SPI or Hardware Interface Options
  • Low-Power Sleep Mode (10 µA)
  • Small Package and Footprint
    • 24 HTSSOP PowerPAD™ IC Package
  • Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • Overcurrent Protection (OCP)
    • Output short to battery and short to ground protection
    • Open Load Detection
    • Thermal Shutdown (TSD)
    • Fault Condition Output (nFAULT / SPI)

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open-in-new Find other Brushed DC (BDC) motor drivers

Description

The DRV8873-Q1 device is an integrated driver IC for driving a brushed DC motor in automotive applications. Two logic inputs control the H-bridge driver, which consists of four N-channel MOSFETs that drive motors bi-directionally with up to 10-A peak current. The device operates from a single power supply and supports a wide input supply range from 4.5 V to 38 V.

A PH/EN or PWM interface allows simple interfacing to controller circuits. Alternatively, independent half-bridge control is available to drive two solenoid loads.

A current mirror allows the controller to monitor the load current. This mirror approximates the current through the high-side FETs, and does not require a high-power resistor for sensing the current.

A low-power sleep mode is provided to achieve very-low quiescent current draw by shutting down much of the internal circuitry. Internal protection functions are provided for undervoltage lockout, charge pump faults, overcurrent protection, short-circuit protection, open-load detection, and overtemperature. Fault conditions are indicated on an nFAULT pin and through the SPI registers.

open-in-new Find other Brushed DC (BDC) motor drivers
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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 16
Type Title Date
* Datasheet DRV8873-Q1 Automotive H-Bridge Motor Driver datasheet (Rev. A) Aug. 23, 2018
Technical articles How analog integration simplifies automotive body motor controller designs Oct. 23, 2020
Technical articles How to efficiently drive 12-V and 24-V engine loads in automotive systems Jul. 09, 2020
Functional safety information DRV8873-Q1 Functional Safety FIT, FMD & PinFMA May 27, 2020
Application note Open Load Detection in Intergrated Drivers (Rev. A) Nov. 07, 2019
Application note Protecting Automotive Motor Drive Systems from Reverse Polarity Conditions (Rev. A) Feb. 19, 2019
Application note Best Practices for Board Layout of Motor Drivers (Rev. A) Jan. 22, 2019
Application note Advantages of Integrated Current Sensing Jan. 07, 2019
User guide DRV8873x-Q1EVM GUI User's Guide (Rev. B) Dec. 10, 2018
User guide DRV8873x-Q1EVM User’s Guide (Rev. B) Dec. 10, 2018
Application note Daisy Chain Implementation for Serial Peripheral Interface Aug. 09, 2018
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) Jul. 06, 2018
Application note Using DRV to Drive Solenoids - DRV8876/DRV8702-Q1/DRV8343-Q1 Feb. 19, 2018
Technical articles Why are you still driving automotive motors with relays? Jul. 13, 2017
Technical articles The story of motor-drive integration Jan. 09, 2017
Application note 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 BOARD Download
75
Description

The DRV8873 is an integrated driver for industrial and automotive applications. With 10 A peak current capability and 4.5-38V voltage range, this device supports a wide range of applications.

PH/EN or PWM interface allows simple interfacing to controller circuits while also allowing independent (...)

Features
  • Integrated current sensing
  • Multi-level current regulation
  • Open-load detection
  • 4.5V minimum operating supply
  • Charge pump architecture
EVALUATION BOARD Download
75
Description
The DRV8873 is an integrated driver for industrial and automotive applications. With 10 A peak current capability and 4.5-38V voltage range, this device supports a wide range of applications. PH/EN or PWM interface allows simple interfacing to controller circuits while also allowing independent (...)
Features
  • Integrated Current Sensing
  • Multi-level Current Regulation
  • Open-load Detection
  • 4.5V Minimum Operating Supply
  • Charge Pump Architecture

Design tools & simulation

SIMULATION MODEL Download
SLVMCQ2A.ZIP (113 KB) - PSpice Model

Reference designs

REFERENCE DESIGNS Download
Automotive full-featured side mirror module reference design
TIDA-020027 — The modern luxury side mirror includes many convenient features that allow for a better and safer experience for the driver beyond simple X-Y directional control of the mirror. This includes automatically dimming mirrors for glare reduction; mirror assembly folding to prevent damage in tight parking (...)
document-generic Schematic
REFERENCE DESIGNS Download
Automotive power seat reference design
TIDA-020008 — This reference design provides the drive and control circuits for motor-driven applications such as automotive power seats, using both bi-directional and unidirectional motor drives. It demonstrates how to drive brushed DC motors with a small board footprint, a high degree of robustness and full (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 24 View options

Ordering & quality

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