DRV8843 2.5A Dual Brushed or Single Bipolar Stepper Motor Driver (PWM Ctrl) | TI.com


2.5A Dual Brushed or Single Bipolar Stepper Motor Driver (PWM Ctrl)

2.5A Dual Brushed or Single Bipolar Stepper Motor Driver (PWM Ctrl) - DRV8843

Recommended alternative parts

  • DRV8886AT  -  The DRV8886AT has integrated microstepping up to 1/16, Integrated Current Sensing, and adaptive decay mode for Stepper Motor applications


The DRV8843 provides an integrated dual H-bridge motor driver solution for printers, scanners, and other automated equipment applications. The device can be used to drive one or two brushed DC motors, a bipolar stepper motor, or other loads. A simple PWM interface allows easy interfacing to controller circuits.

The output driver block consists of N-channel power MOSFETs configured as H-bridges. The DRV8843 an supply up to 2.5-A peak or 1.75-A RMS output current (with proper heat sinking at 24 V and TA = 25°C) per H-bridge.

A low-power sleep mode is provided which shuts down internal circuitry to achieve very low quiescent current draw. This sleep mode can be set using a dedicated nSLEEP pin.

Internal protection features are provided for overtemperature, overcurrent, and undervoltage. Fault conditions are indicated by a nFAULT pin.


  • Dual H-Bridge Motor Driver
    • Single/Dual Brushed DC
    • Stepper
  • IN/IN Control Interface
  • Optional Fixed Frequency Current Regulation
    • Two Bit Current control Allows Up to
      Four Current Levels
  • Low MOSFET On-Resistance
    • 2.5-A Maximum Drive Current at 24 V
      and TA = 25°C
    • Combined 400 mΩ RDS(ON) of High-Side
      and Low-Side at 24 V and TA = 25°C
  • 8.2-V to 45-V Operating Supply Voltage Range
  • Low Current Sleep Mode
  • Built-In 3.3-V Reference Output
  • Thermally Enhanced Surface Mount Package
  • Protection Features
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • Undervoltage Lockout (UVLO)
    • Fault Condition Indication Pin (nFAULT)

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Parametrics Compare all products in Stepper motor drivers

Vs (Min) (V)
Vs (Max) (V)
Control I/F
Micro-stepping levels
Peak output current (A)
RDS(ON) (HS + LS) (mOhms)
Operating temperature range (C)
Approx. price (US$)
Package Group
DRV8843 DRV8813 DRV8841 DRV8881
8.2     8.2     8.2     6.5    
45     45     45     45    
PWM     PH/EN     PWM     PWM
4     4     4      
2.5     2.5     2.5     2.5    
400     400     400     630    
-40 to 85     -40 to 85     -40 to 85     -40 to 125    
1.55 | 1ku     1.55 | 1ku     1.55 | 1ku     1.53 | 1ku    
Catalog     Catalog     Catalog     Catalog    
HTSSOP | 28     HTSSOP | 28     HTSSOP | 28     HTSSOP | 28
WQFN | 28