DRV8842

ACTIVE

45-V, 5-A H-bridge motor driver with current regulation

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Product details

Parameters

Number of full bridges 1 Vs (Min) (V) 8.2 Vs (Max) (V) 45 Peak output current (A) 6 RDS(ON) (HS + LS) (mOhms) 200 Control mode PWM Control interface Hardware (GPIO) Features Current Regulation Approx. price (US$) 1.36 | 1ku Rating Catalog open-in-new Find other Brushed DC (BDC) motor drivers

Package | Pins | Size

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

Features

  • Single H-Bridge Current-Control Motor Driver
  • 8.2-V to 45-V Operating Supply Voltage Range
  • Five-Bit Winding Current Control Allows Up to 32 Current Levels
  • Low MOSFET RDS(on) Typical 0.2 Ω (HS + LS)
  • 5-A Maximum Drive Current at 24 V, 25°C
  • Built-In 3.3-V Reference Output
  • Industry-Standard PWM Control Interface
  • Thermally Enhanced Surface Mount Package
  • Protection Features:
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • VM Undervoltage Lockout (UVLO)
    • Fault Condition Indication Pin (nFAULT)

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Description

The DRV8842 provides an integrated motor driver solution for printers, scanners, and other automated equipment applications. The device has one H-bridge driver, and is intended to drive one DC motor, one coil of a stepper motor, or other loads. The output driver block consists of N-channel power MOSFETs configured as an H-bridge. The DRV8842 can supply up to 5-A peak or 3.5-A RMS output current (with proper heatsinking at 24 V and 25°C).

Separate inputs to independently control each half of the H-bridge are provided.

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

TheDRV8842 is available in a 28-pin HTSSOP package with PowerPAD (Eco-friendly: RoHS & no Sb/Br).

For all available packages, see the orderable addendum at the end of the datasheet.
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Technical documentation

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Type Title Date
* Datasheet DRV8842 DC Motor Driver IC datasheet (Rev. G) Mar. 23, 2016
Application notes Various Reference Voltage Driving Techniques for Motor Drive Current Regulation (Rev. A) Jan. 27, 2020
Technical articles Anything but discrete: How to simplify 48-V to 60-V DC-fed three-phase inverter design Feb. 01, 2019
Application notes Best Practices for Board Layout of Motor Drivers (Rev. A) Jan. 22, 2019
Application notes PowerPAD™ Thermally Enhanced Package (Rev. H) Jul. 06, 2018
Technical articles Integrated intelligence part 3: motor startup from standstill position Dec. 11, 2017
Technical articles Integrated intelligence part 2: motor startup open loop acceleration Dec. 04, 2017
Technical articles Six weird ways to design with a brushless-DC driver Aug. 28, 2017
Application notes Calculating Motor Driver Power Dissipation Feb. 06, 2012
Application notes Understanding Motor Driver Current Ratings Feb. 06, 2012
User guides CPG005_DRV88xx Evaluation Modules Apr. 27, 2011
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
$149.00
Description

The DRV8842 evaluation module consists of a 5.0A, single H-bridge motor driver and a small number of external components that can drive a single brushed DC motor or two solenoids. The on-board MSP430 MCU plus software & GUI provide the necessary signaling and control. With the DRV8842EVM, designers (...)

Features
  • 5A Peak / 3.5A RMS Current Output
  • Wide Operating Voltage: 8.2 to 45V
  • PWM Control Interface
  • Low RDSON (200mR LS+HS
  • 32 Levels of On-Chip Current Regulation / Cycle-by-Cycle Inrush Protection
  • Supports 256 and Greater Microsteps with External Voltage Reference
  • Brake and Coast Modes Supported
  • Thermal and Short (...)

Software development

SUPPORT SOFTWARE Download
SLVC362B.ZIP (4034 KB)

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 28 View options

Ordering & quality

Support & training

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If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

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