DRV8873HPWPR

1 Features

· H-Bridge Motor Driver

  -Drives One DC Motor, One Winding ofa Stepper Motor, or Solenoid Loads

· 4.5-V to 38-V Operating Voltage Range

· 10-A Peak Current Drive

· Low HS+LS Ros(oN)

  -150 mQat T,=25℃,13.5V

  -250 mQat T,=150℃,13.5V

· 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 uA)· Small Package and Footprint

  -24HTSSOP PowerPADTM 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)

2 Applications

· ePOS and Currency Counters

· ATMs(Automated Teller Machines)

· Multi-Function Printers

· Laser Beam Printers

· Factory Automation and Robotics

· Motorized Window Blinds

· Adjustable Desks and Beds

3 Description 

The DRV8873 device is an integrated driver IC for driving a brushed DC motor in industrial 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 38V.

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 currentthrough 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. Faultconditions are indicated on an nFAULT pin and through the SPI registers.

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