TMC261-PA-T

Motor Drivers, Controllers Overview

The TMC261-PA-T is a fully integrated bipolar stepper motor driver manufactured by Analog Devices Inc./Maxim Integrated. It operates with a supply voltage range of 3.3 V to 5 V and supports load voltages from 9 V to 60 V. The device delivers an output current of 2 A and features a 44-LQFP package. Key interfaces include SPI communication, while functional capabilities encompass full H-Bridge configuration with two dual outputs. It supports microstepping resolutions up to 1/256 and operates within a temperature range of -40°C to 125°C.

Motor Drivers, Controllers Feature Summary

• Fully integrated control and power stage for bipolar stepper motors
• Supports high-resolution microstepping up to 1/256 steps
• Features StallGuard2 torque monitoring and SpreadCycle chopper technology
• Includes CoolStep automatic current reduction functionality

Motor Drivers, Controllers Applications

• Stepper motor driver applications
• Motor/运动/点火控制器和驱动器 systems
• General purpose motion control

Motor Drivers, Controllers Procurement Notes

Verify the specific manufacturer designation when sourcing, as the component appears under both Trinamic Motion Control GmbH and Analog Devices Inc./Maxim Integrated in public records. Confirm the exact suffix 'T' indicates tape and reel packaging. Ensure compatibility with the required 44-LQFP footprint and verify RoHS compliance status against the latest datasheet revision before procurement.

Motor Drivers, Controllers Selection Notes

Select this component for designs requiring a single-chip solution for bipolar stepper motors with SPI interface. It is suitable for applications needing precise microstepping control and advanced diagnostic features like StallGuard2. Consider the 2 A output capability and wide load voltage range when matching motor specifications. The 44-LQFP package requires appropriate PCB layout considerations for thermal management and signal integrity.

Motor Drivers, Controllers Part Context

The TMC261 belongs to the TMC26x family of stepper motor drivers, which are designed for silent and efficient motor control. This series integrates advanced chopper techniques and diagnostic features typically found in higher-end motion control ICs. The PA variant specifically denotes the package type and pinout configuration used in this form factor.

Motor Drivers, Controllers Replacement Considerations

Public confirmed substitute part numbers: TMC261C-PA, TMC261-PA-T.