TB67S103AFTG,EL

Overview

The TB67S103AFTG,EL is a bipolar stepper motor driver IC manufactured by Toshiba Semiconductor and Storage. It integrates control logic and power MOSFETs in a single package. The device supports step angles from full to 1/32 microstepping. It operates with a load voltage range of 10 V to 47 V and delivers an output current of 3 A. The supply voltage for the logic section ranges from 4.75 V to 5.25 V. It features four half-bridge outputs and utilizes an SPI interface for communication. The component is housed in a 48-WQFN (7x7) package with exposed pad.

Feature Summary

• Integrates full control and power stages for bipolar stepper motors using power MOSFET technology.
• Supports variable step resolution ranging from full step to 1/32 microstep modes.
• Utilizes Serial Peripheral Interface (SPI) for digital control and configuration.

Applications

• Bipolar stepper motor control systems
• General purpose motion control applications
• Industrial automation equipment

Procurement Notes

Verify the exact part number suffix against official Toshiba documentation to ensure correct packaging and tape specifications. Confirm that the required operating temperature range aligns with the specified junction temperature limits. Ensure the design accommodates the necessary thermal dissipation for the WQFN package type under expected load conditions.

Selection Notes

Select this component when a fully integrated solution for bipolar stepper motors is required. It is suitable for designs needing SPI-based digital control rather than analog inputs. Consider the 3 A continuous output capability and the 47 V maximum load voltage rating against specific motor requirements. Evaluate the 48-pin WQFN footprint for PCB layout constraints.

Part Context

This part belongs to the TB67S series of stepping motor driver ICs produced by Toshiba. The series focuses on providing compact, high-performance solutions for driving bipolar stepper motors. These drivers combine logic control with power output stages to simplify system architecture. The specific model indicates a 48-pin WQFN package variant designed for surface mount assembly.

FAQ

What type of stepper motor does this driver support?

The TB67S103AFTG,EL is designed specifically for driving bipolar stepper motors.

What is the maximum load voltage supported by this IC?

The device supports a load voltage range up to 47 V.