KTZ8850EUC-TR

Overview

The KTZ8850EUC-TR is a high-efficiency step-up LED driver IC manufactured by Kinetic Technologies. It features a boost topology with one constant current output capable of delivering up to 80 mA. The device operates within an input voltage range of 3 V to 5.5 V and supports a switching frequency of 1.1 MHz. It includes dual LCD bias power capabilities and integrates PWM dimming functionality. The component is housed in a WLCSP-18 package and functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Integrates dual LCD bias power supplies alongside the primary LED driver channel
• Supports PWM dimming for precise brightness control
• Utilizes a compact WLCSP-18 surface-mount package

Applications

• LED backlighting systems requiring integrated display bias generation
• Portable electronic devices utilizing single-cell battery power sources
• High-efficiency general-purpose LED lighting circuits

Procurement Notes

Verify the specific suffix 'TR' indicates tape-and-reel packaging configuration when sourcing. Confirm that the WLCSP-18 footprint matches your PCB layout requirements. Ensure compatibility with I2C or PWM control interfaces as specified in the official datasheet. Validate RoHS compliance status through manufacturer documentation prior to integration into regulated assemblies.

Selection Notes

Select this component for designs requiring a single-channel boost converter with simultaneous LCD bias generation. It is suitable for applications where space constraints favor the WLCSP-18 package over larger alternatives. Consider the 80 mA output limit and 1.1 MHz switching frequency when designing passive components. This part is appropriate for systems operating from 3 V to 5.5 V input rails.

Part Context

This component belongs to the Kinetic Technologies LED driver family, specifically designed for high-efficiency lighting applications. It combines power management and display bias functions into a single integrated circuit. The series targets mobile and portable electronics where power efficiency and board space are critical design parameters.

Replacement Considerations

No public substitute part numbers are confirmed in the provided documentation.