APH/AEN

Current scalar

Decay mode

6.5 to 45 V

STEPPER

+

-

DRV8881E

Dual

H-Bridge

Motor Driver

2.5 A

2.5 A

BPH/BEN

BDC

BDC

BDC

BDC

µš}@µv¡

AIN1/AIN2

Current scalar

Decay mode

6.5 to 45 V

STEPPER

+

-

DRV8881P

Dual

H-Bridge

Motor Driver

2.5 A

2.5 A

BIN1/BIN2

BDC

BDC

BDC

BDC

Parallel Mode

Product

Folder

Sample &

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Technical

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DRV8881

SLVSD19A – JUNE 2015 – REVISED JULY 2015

DRV8881 2.5-A Dual H-Bridge Motor Driver

1 Features

2 Applications

1

•

Dual H-Bridge Motor Driver

•

Automatic Teller and Money Handling Machines

•

Video Security Cameras

–

Bipolar Stepper Motor Driver

•

Multi-Function Printers and Document Scanners

–

Single or Dual Brushed-DC Motor Driver

•

Factory Automation and Robotics

•

6.5- to 45-V Operating Supply Voltage Range

•

Stage Lighting Equipment

•

Two Control Interface Options

–

PHASE/ENABLE (DRV8881E)

3 Description

–

PWM (DRV8881P)

The DRV8881 is a bipolar stepper or brushed-DC

•

Multiple Decay Modes to Support Any Motor

motor driver for industrial applications. The device

–

AutoTune™ (DRV8881E Only)

output stage consists of two N-channel power

MOSFET H-bridge drivers. The DRV8881 is capable

–

Mixed Decay

of driving up to 2.5-A peak current or 1.4-A rms

–

Slow Decay

current per H-bridge (with proper PCB ground plane

–

Fast Decay

•

Adaptive Blanking Time for Smooth Motion

AutoTune™ automatically tunes motors for optimal

•

Parallel Mode Operation (DRV8881P Only)

current regulation performance and compensates for

motor variation and aging effects. AutoTune is

•

Configurable Off-Time PWM Chopping

available on the DRV8881E. Additionally, slow, fast,

–

10, 20, or 30

μs Off-Time

and mixed decay modes are available.

•

3.3-V, 10-mA LDO Regulator

The PH/EN (DRV8881E) or PWM (DRV8881P) pins

•

Low-Current Sleep Mode (28 µA)

provide a simple control interface. An internal sense

•

Small Package and Footprint

amplifier allows for adjustable current control. A low-

power sleep mode is provided for very-low quiescent

–

28 HTSSOP (PowerPAD)

current standby using a dedicated nSLEEP pin.

–

28 WQFN (PowerPAD)

SPACE

Internal

protection

functions

are

provided

for

undervoltage, charge pump faults, overcurrent, short-

•

Protection Features

circuits, and overtemperature. Fault conditions are

–

VM Undervoltage Lockout (UVLO)

indicated by a nFAULT pin.

–

Charge Pump Undervoltage (CPUV)

Device Information(1)

–

Overcurrent Protection (OCP)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

–

Automatic OCP Retry

HTSSOP (28)

9.70 mm × 6.40 mm

–

Thermal Shutdown (TSD)

DRV8881

WQFN (28)

5.50 mm × 3.50 mm

–

Fault Condition Indication Pin (nFAULT)

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

DRV8881E Simplified System Diagram

DRV8881P Simplified System Diagram

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.