TC78H670FTG,EL

Overview

The TC78H670FTG,EL is a bipolar stepper motor driver IC from Toshiba Semiconductor and Storage. It integrates control logic and power stages in a 16-VQFN package. The device supports 2-phase output with a maximum load voltage of 16 V and an output current capability of up to 2.0 A. It operates on a supply voltage range of 1.5 V to 5.5 V for the logic section and handles load voltages between 2.5 V and 16 V. The component features serial interface communication and offers step resolutions of 1 and 1/2. It includes built-in protection circuits such as over-current detection and thermal shutdown, operating within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates full control and power stages for bipolar stepper motors
• Supports serial interface for simplified connection
• Includes over-current detection and thermal shutdown protection

Applications

• Bipolar stepper motor driving
• General purpose motion control systems
• Compact automation devices

Procurement Notes

Verify the specific suffix EL against official Toshiba documentation to confirm packaging and material compliance details. Ensure the ordering part number matches the required tape and reel specifications. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm authenticity and current production status before finalizing procurement orders.

Selection Notes

Select this component for applications requiring integrated bipolar stepper motor control with serial interface capabilities. Consider the 16-VQFN package size for space-constrained designs. Verify that the system's logic voltage falls within the 1.5 V to 5.5 V range and that the motor load voltage does not exceed 16 V. Ensure thermal management strategies align with the specified operating temperature range and power dissipation characteristics.

Part Context

This component belongs to the TC78H6 series of brushed and stepper motor driver ICs from Toshiba. These devices are designed for low-profile applications and incorporate DMOS technology in their output transistors. The series typically features built-in protection mechanisms like under-voltage lockout and thermal shutdown, targeting efficient motor control in consumer electronics and industrial equipment.

Replacement Considerations

Consult official Toshiba substitution guides for verified alternatives. No public substitute part numbers are confirmed in the provided data.