TB67S128FTG,EL

Overview

The TB67S128FTG,EL is a bipolar stepper motor driver IC manufactured by Toshiba Semiconductor and Storage. It features an integrated control and power stage with a 64-VQFN (9x9) package. The device supports a load voltage range of 6.5V to 44V and delivers a continuous output current of 5A. It operates on a supply voltage of 4.75V to 5.25V with a typical operating current of 8.2mA. The chip offers microstep resolutions from full step to 1/128 step. It utilizes Power MOSFET technology and includes PWM interface capabilities. The component functions within a temperature range of -40°C to +85°C.

Feature Summary

• Supports up to 128-step microstepping for high-precision motion control
• Integrates Active Gain Control (AGC) to optimize drive current and reduce power loss
• Features Advanced Dynamic Mixed Decay (ADMD) for optimized current switching at high speeds
• Includes Selectable Microstep Decay (SMD) to minimize motor noise and vibration

Applications

• Industrial barcode printers
• Office equipment such as scanners and copiers
• ATM and banking terminal mechanisms
• 3D printing systems
• Home appliances requiring precise actuation

Procurement Notes

Verify the specific suffix EL against the manufacturer's latest datasheet to confirm pinout compatibility and electrical characteristics. Ensure the ordering part number matches the exact tape and reel specifications required for your assembly line. Cross-reference the RoHS status and moisture sensitivity level before finalizing procurement orders to meet environmental compliance standards.

Selection Notes

Select this component when designing systems requiring high-resolution positioning with reduced acoustic noise. The integrated AGC and ADMD technologies make it suitable for applications demanding efficient thermal management under continuous high-current loads. Consider the 64-VQFN package constraints for PCB layout and thermal dissipation requirements during the design phase.

Part Context

This IC belongs to Toshiba's stepping motor driver series designed for general-purpose precision motion control. It replaces older discrete solutions by integrating logic, driver, and protection circuits into a single compact package. The device addresses common issues in stepper motors such as resonance and overheating through its advanced decay mode controls and current optimization algorithms.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs carefully if considering alternative drivers from other manufacturers.