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DRV8845RHHR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

DRV8845RHHR product

DRV8845RHHR

Motor Drivers

38 V motor driverquad H-bridge1.5 A per bridgestepper driverbrushed-DC driverVQFN-36

DRV8845RHHR is a quad 38 V motor driver suited to systems requiring independent control of up to four brushed-DC motors or two bipolar stepper motors.

Best for

  • Multi-axis stepper systems
  • Multiple brushed-DC motor channels
  • 38 V industrial motor-drive designs

Avoid if

  • A motor supply above 38 V is required
  • Integrated current sensing is required
  • A STEP/DIR-only interface is required

Check before use

  • Confirm current limit using ITRIPMax = VREF / (3 × RSENSE) for an individual bridge.
  • Validate junction temperature for expected RMS load current.
  • Use the required 0.022 µF CP1-to-CP2 and 0.22 µF VM-to-VCP capacitors close to the IC.

Key specifications

Motor supply
4.5 V to 38 V
Bridge count
4 H-bridges
Current per bridge
1.5 A full-scale
Package
36-pin VQFN, 6 mm × 6 mm

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
MSL 2, 260 °C, 1 year
ECCN
-
HTSUS
-

Application

Stepper motor drivesBrushed-DC motor drivesPrinters and scannersOffice and home automation

Datasheet

sszqqr8

800 KB

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CAD Models

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3D Model
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Where to Buy

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Alternative components

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Design and risk insights

Questions & answers

DRV8845RHHR is a Texas Instruments quad N-channel MOSFET H-bridge motor driver in a 36-pin 6 mm × 6 mm VQFN package. It operates from a 4.5 V to 38 V motor supply.