TB67H481FTG

Overview

The TB67H481FTG,EL is a BiCD constant current dual H-bridge driver IC designed for brushed motor applications. It features two independent channels, each capable of delivering up to 2.5A output current with a maximum supply voltage of 50V. The device operates within a temperature range of -40°C to +85°C and utilizes a QFN32 5x5 package. Key electrical parameters include a power dissipation of 4.1W, a working frequency of 100kHz, and an input voltage range of 8.2V to 44V. It supports clock input interfaces and provides four outputs.

Feature Summary

• Integrates dual H-bridge architecture for independent channel control
• Features constant current drive capability for precise motor regulation
• Includes built-in protection mechanisms against overcurrent and thermal issues

Applications

• Brushed DC motor control systems
• Industrial automation equipment
• Robotics actuation modules

Procurement Notes

Verify the specific suffix EL when ordering, as it denotes tape and reel packaging configuration. Confirm that the required output current does not exceed the per-channel limit under your operating thermal conditions. Ensure the load voltage remains within the specified 50V maximum rating. Check compatibility with the host controller's clock input signal levels before integration into the final design.

Selection Notes

Select this component when a compact dual-channel solution is required for brushed motors. It is suitable for designs needing integrated control and power stages in a small footprint. Consider the 100kHz working frequency for PWM application requirements. Evaluate the thermal performance given the 4.1W power dissipation capability in the QFN32 package.

Part Context

This part belongs to Toshiba's brushless and brushed motor driver series. It complements other models like the TB67H453FNG by offering dual-channel functionality in a smaller surface-mount package. The product line focuses on providing full-integrated drivers with control and power levels for efficient system design.

Replacement Considerations

The TB67H453FNG offers similar brushed motor driving capabilities but uses a 16-TSSOP package and provides 3.5A per half-bridge. Verify pinout compatibility and thermal management requirements when substituting between these different package types.