DRV8843PWP

Overview

The DRV8843PWP is a dual H-bridge motor driver manufactured by Texas Instruments, designed for controlling bipolar stepper motors and brushed DC motors. It features an integrated power stage with MOSFETs capable of delivering up to 1.75 A output current per channel. The device operates within a supply voltage range of 8.2 V to 45 V and supports parallel interface control. Packaged in a 28-pin HTSSOP (PowerTSSOP) surface-mount case, it includes built-in protection mechanisms such as thermal shutdown and under-voltage lockout. The component is rated for operation across a junction temperature range of -40°C to +150°C.

Feature Summary

• Integrates dual half-bridge outputs for independent control of two brushed DC motors or one bipolar stepper motor
• Includes comprehensive protection features including thermal shutdown and under-voltage lockout
• Supports flexible control interfaces via parallel inputs for direction and enable signals
• Utilizes low-on-resistance power MOSFETs to minimize conduction losses and heat generation

Applications

• Bipolar stepper motor control in industrial automation systems
• Dual brushed DC motor drive for home appliances and office equipment
• Motion control modules in robotics and automated guided vehicles
• Solenoid and valve actuation drivers in automotive applications

Procurement Notes

Verify the specific ordering suffix 'PWP' corresponds to the tube package variant rather than the 'PWPR' reel variant. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Check for any recent Product Change Notifications regarding pin marking or assembly location changes. Ensure the supplier provides valid traceability documentation for the Texas Instruments manufacturer part number.

Selection Notes

Select this component when dual-channel motor control is required within a 45 V maximum supply limit. It is suitable for applications needing moderate current levels around 1.75 A per channel without external discrete MOSFETs. Consider the 28-pin HTSSOP package for space-constrained PCB layouts requiring surface mount technology. Evaluate thermal performance requirements against the expected ambient operating conditions and heatsinking capabilities.

Part Context

The DRV8843 belongs to the DRV88xx family of Europa Motor Drivers from Texas Instruments, which are optimized for robust performance in various motion control environments. This series integrates both logic and power stages into a single solution, simplifying design complexity. The PWP designation specifically identifies the non-reel, tube-packaged version of the device, distinguishing it from tape-and-reel alternatives like the DRV8843PWPR.

Replacement Considerations

The DRV8843PWPR serves as a direct functional substitute differing only in packaging format (reel vs. tube). For higher current requirements, consider the DRV8840 series. Lower current alternatives may include the DRV8841. Verify pin compatibility and thermal characteristics before substituting with other Texas Instruments motor driver families.