KTZ8868EUAD-TB

Overview

The KTZ8868EUAD-TB is an LED lighting driver IC from Kinetic Technologies, designed for high-efficiency backlight applications. It features a boost topology with eight output channels capable of delivering 250 mA per channel. The device operates within an input voltage range of 2.7 V to 5.5 V and supports an output voltage range of 4 V to 6.3 V. It utilizes I2C and PWM dimming interfaces and functions at a switching frequency of 1 MHz. The component is housed in a 32-WQFN55 (5x5) package and is rated for operation between -40°C and +85°C.

Feature Summary

• Integrates dual LCD bias power supplies alongside the main LED backlight drivers.
• Supports digital control via I2C interface for configuration and monitoring.
• Enables precise brightness adjustment through PWM dimming capabilities.
• Includes protection mechanisms such as open LED detection.

Applications

• Tablet backlight systems
• LCD bias power generation
• Portable electronic display modules

Procurement Notes

Verify the specific suffix TB against the manufacturer's datasheet to confirm tape and reel packaging specifications. Ensure compatibility with I2C bus voltage levels and check moisture sensitivity handling requirements during assembly. Confirm that the WQFN55 footprint matches the target PCB design guidelines.

Selection Notes

Select this component when designing systems requiring eight independent LED channels with integrated LCD bias generation. It is suitable for space-constrained portable devices needing efficient boost conversion. Consider the 250 mA output current capability and the 32-pin QFN package size relative to thermal management needs.

Part Context

This part belongs to the KTZ8868 series of LED drivers from Kinetic Technologies. It is distinct from other series members by its specific eight-channel configuration and dual bias output structure. The series targets mobile and tablet display applications requiring compact, high-efficiency power management solutions.

Replacement Considerations

Consult official substitution lists for direct equivalents. Verify pinout compatibility and electrical parameters before considering alternative parts from the same manufacturer or competitors.

FAQ

What control interfaces are supported by the KTZ8868EUAD-TB?

The device supports both I2C digital control and PWM dimming interfaces for brightness adjustment and configuration.

Does the KTZ8868EUAD-TB include LCD bias functionality?

Yes, it integrates dual LCD bias power supplies in addition to the eight-channel LED backlight drivers.