TMC4671-ES

Motor Drivers, Controllers Overview

The TMC4671-ES is a fully integrated servo controller IC designed for Field-Oriented Control (FOC) of BLDC, PMSM, two-phase stepper, and DC motors. It features an integrated delta-sigma ADC frontend, position sensor interfaces, and a position interpolator. The device supports high-speed PWM engines operating between 25kHz and 100kHz. Key electrical parameters include a supply voltage range of 3.15V to 3.45V, an output current of 4mA, and an operating temperature range of -40°C to 125°C (TJ). It utilizes a 76-VFQFN package with exposed pad.

Motor Drivers, Controllers Feature Summary

• Hardware-implemented FOC algorithms enabling torque, speed, and position control without code
• Integrated delta-sigma ADC frontend for precise current sensing
• Flexible position sensor interface supporting digital encoders, analog Hall sensors, and SinCos encoders
• High-speed PWM engine with programmable frequency up to 100kHz

Motor Drivers, Controllers Applications

• Servo motor control systems
• BLDC and PMSM motor drives
• Two-phase stepper motor applications
• DC brushless motor control

Motor Drivers, Controllers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches project requirements. Check for end-of-life status as availability may be restricted. Ensure ESD protection measures are implemented during handling due to moisture sensitivity level 3 classification.

Motor Drivers, Controllers Selection Notes

Select this component when hardware-based FOC implementation is required to reduce software complexity. It is suitable for applications needing high-resolution position feedback integration and fast control loop updates. Consider the 76-QFN package constraints for PCB layout. Verify compatibility with external gate drivers if higher power stages are needed.

Motor Drivers, Controllers Part Context

The TMC4671 belongs to the Trinamic motion control family, focusing on advanced servo control solutions. It integrates complex control loops into a single silicon solution, simplifying system design for industrial automation and robotics. The ES variant represents a specific engineering sample or early production version within the broader TMC4671 product line.

Motor Drivers, Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Analog Devices or Maxim Integrated resources for lifecycle management and potential obsolescence alternatives.