TMC2224-LA

Motor Drivers, Controllers Overview

The TMC2224-LA is a bipolar stepper motor driver IC from the TMC2224 series, manufactured by Analog Devices Inc./Maxim Integrated. It features a fully integrated control and power stage with a 28-VFQFN (5x5 mm) exposed pad package. The device supports a supply voltage range of 5.5V to 36V and delivers an output current of up to 1.2A. It operates within a junction temperature range of -40°C to +125°C. Key interfaces include Step/Direction and UART for configuration. The component offers microstep resolution from full step to 1/256 via MicroPlyer interpolation.

Motor Drivers, Controllers Feature Summary

• Integrates StealthChop2 technology for silent motor operation at low speeds and standstill.
• Utilizes SpreadCycle chopper algorithm for high dynamic performance and precise current control.
• Supports UART interface for advanced configuration, diagnostics, and remote control capabilities.
• Includes automatic standby current reduction to minimize power consumption during idle states.

Motor Drivers, Controllers Applications

• 3D printers and card printers
• Office automation and paper handling systems
• CCTV surveillance and security equipment
• ATMs and cash recycling machines

Motor Drivers, Controllers Procurement Notes

Verify the specific suffix 'LA' corresponds to the QFN-28 package variant when sourcing. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Ensure the UART interface is properly configured in the host system to utilize diagnostic features. Check for any obsolescence notices or lifecycle changes directly from the manufacturer before finalizing procurement plans.

Motor Drivers, Controllers Selection Notes

Select this component for applications requiring silent operation and high microstep resolution without external MOSFETs. It serves as a direct pin-compatible replacement for DRV8824 in many designs, offering enhanced configurability via UART. Consider the thermal performance of the exposed pad design for heat dissipation needs. Evaluate if the 1.2A continuous current rating meets the specific motor coil requirements of the target application.

Motor Drivers, Controllers Part Context

This part belongs to the TMC2224 family of ultra-silent stepper motor drivers designed for two-phase stepper motors. The series emphasizes noise reduction through StealthChop2 while maintaining dynamic performance with SpreadCycle. It integrates power MOSFETs and logic, simplifying the bill of materials compared to discrete solutions. The TMC2224-LA specifically denotes the lead-free, halogen-free version in the standard QFN package.

Motor Drivers, Controllers Replacement Considerations

• DRV8824RHD

Motor Drivers, Controllers FAQ

Does the TMC2224-LA support StallGuard load detection?

No, the TMC2224 does not feature StallGuard functionality. This capability is available in other models within the TMC22xx series, such as the TMC2209.

What is the maximum microstep resolution supported by this driver?

The TMC2224-LA supports up to 256 microsteps per full step through its internal MicroPlyer interpolation engine.