Comimark 1Pcs DRV8871 H-Bridge DC Motor Driver Breakout Board PWM Control Module 3.6A for Arduino

1 Features

1 H-Bridge Motor Driver

– Drives One DC Motor, One Winding of a

Stepper Motor, or Other Loads

Wide 6.5-V to 45-V Operating Voltage

565-m? Typical RDS(on) (HS + LS)

3.6-A Peak Current Drive

PWM Control Interface

Current Regulation Without a Sense Resistor

Low-Power Sleep Mode

Small Package and Footprint

– 8-Pin HSOP With PowerPAD

– 4.9 × 6 mm

Integrated Protection Features

– VM Undervoltage Lockout (UVLO)

– Overcurrent Protection (OCP)

– Thermal Shutdown (TSD)

– Automatic Fault Recovery

2 Applications

Printers

Appliances

Industrial Equipment

Other Mechatronic Applications

3 Description

The DRV8871 device is a brushed-DC motor driver

for printers, appliances, industrial equipment, and

other small machines. Two logic inputs control the Hbridge

driver, which consists of four N-channel

MOSFETs that can control motors bidirectionally with

up to 3.6-A peak current. The inputs can be pulsewidth

modulated (PWM) to control motor speed, using

a choice of current-decay modes. Setting both inputs

low enters a low-power sleep mode.

The DRV8871 device has advanced currentregulation

circuitry that does not use an analog

voltage reference or external sense resistor. This

novel solution uses a standard low-cost, low-power

resistor to set the current threshold. The ability to limit

current to a known level can significantly reduce the

system power requirements and bulk capacitance

needed to maintain stable voltage, especially for

motor startup and stall conditions.

The device is fully protected from faults and short

circuits, including undervoltage (UVLO), overcurrent

(OCP), and overtemperature (TSD). When the fault

condition is removed, the device auto

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