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DRV8834PWPR

TIDRV8834PWPR

Texas Instruments
Small, low-current microstepping driver useful for compact, low-power stepper applications.
Active1,269 in stock
Datasheet Digi-Key Compare Prices

Overview

The DRV8834PWPR is a highly integrated motor driver solution for bipolar stepper motors or two DC motors, designed specifically for low-voltage systems. Operating from a 2.5V to 10.8V supply, it provides a flexible interface using either PHASE/ENABLE or STEP/DIR control logic to support various MCU architectures.

Why Choose This Part

This driver offers exceptional efficiency for low-voltage applications with a sleep current of only 0.6 uA. It features integrated indexer logic and multiple decay modes, including mixed decay, to ensure smooth microstepping without complex external control algorithms.

Applications

Battery-Powered Robotics
Ideal for small mobile robots and toys where supply voltage is limited to 1S or 2S Li-ion configurations.
Point-of-Sale Printers
Reliable motor control for thermal receipt printers and ticket dispensers requiring compact footprints.
Video Surveillance Systems
Enables smooth pan-and-tilt movements in security cameras through its microstepping capabilities.
Medical Infusion Pumps
High-precision current regulation for portable medical devices that require low power consumption and quiet operation.

Key Specifications

Function Driver - Fully Integrated, Control and Power Stage
Interface Logic
Technology Power MOSFET
Applications General Purpose
Mounting Type Surface Mount
Package / Case 24-PowerTSSOP (0.173", 4.40mm Width)
Voltage - Load 2.5V ~ 10.8V
Step Resolution 1 ~ 1/32
Current - Output 1.5A
Voltage - Supply 2.5V ~ 10.8V
Motor Type - AC, DC Brushed DC
Motor Type - Stepper Bipolar
Output Configuration Half Bridge (4)
Operating Temperature -40degC ~ 150degC (TJ)
Supplier Device Package 24-HTSSOP

Getting Started

Engineers can evaluate performance using the DRV8834EVM evaluation module. For hardware design, ensure the thermal pad is soldered to a large PCB ground plane to handle the peak output current of 2.2A.

DRV8834 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
DRV8834PWPR (this part) PowerTSSOP-24 1,269
DRV8834RGER VFQFN-24 7,867

Also Consider

DRV8825 TITexas Instruments - Suitable for higher voltage applications requiring up to 45V and higher current handling.
A4988 Allegro MicroSystems - A common alternative for stepper applications that do not require the ultra-low 2.5V minimum supply of the DRV8834.
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