TPS68000DBT

Lighting, Ballast Controllers Overview

The TPS68000DBT is a CCFL controller manufactured by Texas Instruments, designed for cold cathode fluorescent lamp applications. It operates within a frequency range of 30kHz to 100kHz and supports a supply voltage of 8V to 30V. The device features integrated dimming capabilities and is housed in a 30-TSSOP surface-mount package. It functions as a phase shift full bridge controller with lamp intensity control. The component is rated for an operating temperature range of -40°C to 85°C and complies with RoHS3 standards.

Lighting, Ballast Controllers Feature Summary

• Integrated CCFL phase shift full bridge controller functionality
• Supports adjustable lamp intensity control and dimming
• Operates with wide supply voltage input range
• Surface mount packaging for automated assembly

Lighting, Ballast Controllers Applications

• CCFL backlight systems for displays
• Phase shift full bridge power conversion circuits
• Lamp intensity control modules

Lighting, Ballast Controllers Procurement Notes

Verify the specific suffix DBT indicates tube packaging versus TR for tape and reel when sourcing. Confirm the component status as not recommended for new designs to assess long-term availability risks. Ensure compatibility with existing PCB footprints for the 30-TSSOP package. Check for RoHS3 compliance documentation if required by regional regulations. Validate that the 8V to 30V supply range matches the target system design.

Lighting, Ballast Controllers Selection Notes

Select this component for legacy CCFL driver designs requiring phase shift full bridge topology. Consider the 30-TSSOP package size constraints during layout planning. Evaluate the 30kHz to 100kHz operating frequency against transformer and inductor specifications. Verify thermal performance within the -40°C to 85°C range for the intended environment. Note that newer LED-based solutions may offer better efficiency for modern applications.

Lighting, Ballast Controllers Part Context

The TPS68000 belongs to a family of display drivers and controllers from Texas Instruments. It is specifically categorized under lighting and ballast controllers for CCFL applications. The device integrates control logic for managing lamp ignition and steady-state operation. It serves as a specialized IC for powering and regulating cold cathode fluorescent lamps in industrial and commercial displays.

Lighting, Ballast Controllers Replacement Considerations

Public confirmed substitute part numbers include TPS68000DBTRG4 and TPS68000DBTR. These variants share the same core functionality but differ in packaging type, such as tape and reel options. Verify pinout compatibility before substitution.