TB62777FNG,C8,EL

Overview

The TB62777FNG,C8,EL is an LED lighting driver IC manufactured by Toshiba Semiconductor and Storage. It features eight constant current outputs designed for linear shift register dimming applications. The device operates with a supply voltage range of 3 V to 5.5 V and delivers an output current of 40 mA per channel. It utilizes a boost topology to achieve an output voltage of up to 28 V. The component is housed in a 16-SSOP package and supports surface mount installation. It includes thermal shutdown protection and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates eight independent constant current channels for precise LED control
• Supports linear shift register dimming for simplified interface requirements
• Incorporates internal boost topology to drive high-voltage LED strings from low supply voltages
• Includes thermal shutdown circuitry to protect against overheating conditions

Applications

• LED panel lighting systems requiring multi-channel constant current regulation
• Backlight drivers for LCD displays utilizing shift register control interfaces
• Small form-factor LED signage and indicator arrays
• Portable electronic devices with space-constrained LED illumination needs

Procurement Notes

Verify the specific suffix C8,EL matches your required packaging format before ordering. Confirm that the 16-SSOP package dimensions align with your PCB footprint design. Ensure your system power supply remains within the specified 3 V to 5.5 V input range to guarantee proper operation. Check for any RoHS compliance documentation if environmental regulations apply to your production environment.

Selection Notes

Select this component when eight synchronized constant current channels are necessary for uniform LED brightness. Consider the linear shift register interface if minimizing microcontroller GPIO usage is a priority. Evaluate the 40 mA output capability against your LED forward current requirements. Assess the thermal performance in your enclosure design due to the integrated nature of the driver.

Part Context

This part belongs to Toshiba's dedicated LED driver series, focusing on integrated solutions for display and lighting applications. It combines power switching and control logic into a single compact package. The product line emphasizes ease of use through standard digital interfaces while maintaining efficient power delivery for LED loads.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pin compatibility and electrical specifications carefully if considering alternative manufacturers. Consult official Toshiba resources for potential obsolescence notices or recommended upgrades.