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DRV8848

ACTIVE

18-V, 2-A dual H-bridge motor driver with current regulation

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Data sheet

DRV8848

ACTIVE
Data sheet Order now

Product details

Number of full bridges 2 Vs (min) (V) 4 Vs ABS (max) (V) 20 Full-scale current (A) 1 Peak output current (A) 2 RDS(ON) (HS + LS) (mΩ) 900 Sleep current (µA) 3 Control mode Independent 1/2-Bridge, PWM Control interface Hardware (GPIO) Features Current Regulation Rating Catalog Operating temperature range (°C) -40 to 85
Number of full bridges 2 Vs (min) (V) 4 Vs ABS (max) (V) 20 Full-scale current (A) 1 Peak output current (A) 2 RDS(ON) (HS + LS) (mΩ) 900 Sleep current (µA) 3 Control mode Independent 1/2-Bridge, PWM Control interface Hardware (GPIO) Features Current Regulation Rating Catalog Operating temperature range (°C) -40 to 85
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • Dual H-Bridge Motor Driver
    • Single/Dual Brushed DC
    • Stepper
  • PWM Control Interface
  • Optional Current Regulation With 20-µs Fixed Off-
    Time
  • High Output Current per H-Bridge
    • 2-A Maximum Driver Current at 12 V and
      TA = 25°C
    • Parallel Mode Available Capable of 4-A
      Maximum Driver Current at 12 V and
      TA = 25°C
  • 4- to 18-V Operating Supply Voltage Range
  • Low-Current 3-µA Sleep Mode
  • Thermally-Enhanced Surface Mount Package
  • Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • Fault Condition Indication Pin (nFAULT)
  • Dual H-Bridge Motor Driver
    • Single/Dual Brushed DC
    • Stepper
  • PWM Control Interface
  • Optional Current Regulation With 20-µs Fixed Off-
    Time
  • High Output Current per H-Bridge
    • 2-A Maximum Driver Current at 12 V and
      TA = 25°C
    • Parallel Mode Available Capable of 4-A
      Maximum Driver Current at 12 V and
      TA = 25°C
  • 4- to 18-V Operating Supply Voltage Range
  • Low-Current 3-µA Sleep Mode
  • Thermally-Enhanced Surface Mount Package
  • Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • Fault Condition Indication Pin (nFAULT)

The DRV8848 provides a dual H-bridge motor driver for home appliances and other mechatronic applications. The device can be used to drive one or two DC motors, a bipolar stepper motor, or other loads. A simple PWM interface allows easy interfacing to controller circuits.

The output block of each H-bridge driver consists of N-channel and P-channel power MOSFETs configured as full H-bridges to drive the motor windings. Each H-bridge includes circuitry to regulate the winding current using a fixed off-time chopping scheme. The DRV8848 is capable of driving up to 2 A of current from each output or 4 A of current in parallel mode (with proper heat sinking, at 12 V and TA = 25°C).

A low-power sleep mode is provided, which shuts down internal circuitry to achieve very-low quiescent current draw. This sleep mode can be set using a dedicated nSLEEP pin.

Internal protection functions are provided for UVLO, OCP, short-circuit protection, and overtemperature. Fault conditions are indicated by a nFAULT pin.

The DRV8848 provides a dual H-bridge motor driver for home appliances and other mechatronic applications. The device can be used to drive one or two DC motors, a bipolar stepper motor, or other loads. A simple PWM interface allows easy interfacing to controller circuits.

The output block of each H-bridge driver consists of N-channel and P-channel power MOSFETs configured as full H-bridges to drive the motor windings. Each H-bridge includes circuitry to regulate the winding current using a fixed off-time chopping scheme. The DRV8848 is capable of driving up to 2 A of current from each output or 4 A of current in parallel mode (with proper heat sinking, at 12 V and TA = 25°C).

A low-power sleep mode is provided, which shuts down internal circuitry to achieve very-low quiescent current draw. This sleep mode can be set using a dedicated nSLEEP pin.

Internal protection functions are provided for UVLO, OCP, short-circuit protection, and overtemperature. Fault conditions are indicated by a nFAULT pin.
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Technical documentation

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Type Title Date
* Data sheet DRV8848 Dual H-Bridge Motor Driver datasheet (Rev. A) PDF | HTML 04 Nov 2015
More literature Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 14 Oct 2021
More literature Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) PDF | HTML 19 Jan 2021
Technical article Drive unipolar stepper motors as bipolar stepper motors with a simple wiring reconfiguration 09 Apr 2020
Technical article How stepper motors improve noise and efficiency in automotive system design 19 Nov 2019
EVM User's guide DRV8848 EVM GUI (Rev. C) 10 Sep 2019
Technical article Using smart relay drivers for smart meters, part 2 10 Dec 2018
Technical article Getting smart about tuning your stepper motor 23 Aug 2018
More literature Small Motors in Large Appliances 20 Jul 2018
More literature PowerPAD™ Thermally Enhanced Package (Rev. H) 06 Jul 2018
More literature Using a Motor Driver DRV8848 for Low-Power Isolated Full-Bridge DC-DC Conversion 13 Nov 2017
More literature PowerPAD™ Made Easy (Rev. B) 12 May 2004

Design & development

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

Evaluation board

BOOST-DRV8848 — Dual Brushed DC Motor BoosterPack featuring DRV8848

The BOOST-DRV8848 is 4-18V brushed DC motor drive stage based on the DRV8848 dual H-bridge motor driver. The design contains everything needed to drive single or dual brush DC motors, and supports a parallel mode for higher current needs. The BOOST-DRV8848 is ideal for those wishing to learn more (...)

User guide: PDF
Not available on TI.com
Evaluation board

DRV8848EVM — DRV8848EVM Evaluation Module

The DRV8848EVM (evaluation module) serves as a user-friendly evaluation kit to demonstrate TI's brushed motor driver DRV8848. A MSP430F2617 is used to control the speed of the motor and current levels.  The EVM is a high-performance, power-efficient, cost-effective platform that speeds (...)

User guide: PDF
Not available on TI.com
Reference designs

TIDA-00297 — Refrigerator Damper and Fan Motor Control Solutions

Refrigerators often use a damper to control airflow and a fan to provide circulation.  While discrete solutions have been used for years, this reference design uses integrated motor drivers that provide easy control, high performance and full protection.  DRV8848 drives the stepper motor (...)
Test report: PDF
Schematic: PDF
Package Pins Download
HTSSOP (PWP) 16 View options

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