TB62747AFG,EL

Overview

The TB62747AFG,EL is a 16-channel constant current LED driver IC manufactured by Toshiba Semiconductor and Storage. It operates on a single supply voltage ranging from 3 V to 5.5 V and delivers an output current of up to 45 mA per channel. The device utilizes a boost topology with a maximum output voltage of 26 V and supports a switching frequency of 25 MHz. Designed for surface mount installation in a 24-pin SSOP package, it functions within a temperature range of -40°C to +85°C. The integrated circuit features high ESD protection ratings of +4000V (Human Body Model) and +500V (Machine Model), ensuring robust performance in LED lighting applications.

Feature Summary

• Integrates 16 independent constant current outputs to reduce component count and board space in LED array designs.
• Provides high electrostatic discharge protection rated at +4000V under Human Body Model conditions.
• Ensures consistent brightness across channels with a maximum current accuracy of +1.5 percent between outputs.
• Allows external current adjustment through a single resistor, simplifying the design of large LED panels.

Applications

• LED panel displays
• Large LED arrays
• LED lighting systems

Procurement Notes

Verify the specific suffix C8 against the manufacturer's official documentation to confirm exact packaging and handling specifications. Ensure that the 24-pin SSOP footprint matches the target PCB layout requirements. Confirm RoHS compliance status directly with the supplier or datasheet before finalizing procurement decisions for production runs.

Selection Notes

Select this component when designing circuits requiring multiple synchronized LED channels with precise current matching. The boost topology is suitable for driving LEDs with forward voltages exceeding the supply rail. Consider the thermal dissipation capabilities of the SSOP package for high-density layouts. Verify that the required operating temperature range aligns with the -40°C to +85°C specification.

Part Context

This part belongs to the TB62747 family of integrated constant current LED drivers. These devices are engineered to simplify the control of complex LED matrices by integrating shift register functionality and current regulation. The family focuses on reducing external component requirements while maintaining high reliability and brightness uniformity for professional display and lighting solutions.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Toshiba Semiconductor and Storage technical support for direct replacements or pin-compatible alternatives if sourcing constraints exist.