TL4242QKTTRQ1

$3.12

Description：IC LED DRVR LINEAR 500MA DDPAK-7
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:7d78a876c252 Category: LED Drivers IC Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC LED DRVR LINEAR 500MA DDPAK-7
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Linear
Topology：-
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：4.5V
Voltage - Supply (Max)：42V
Voltage - Output：16V
Current - Output / Channel：500mA
Frequency：-
Dimming：-
Applications：-
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Package / Case：TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
Supplier Device Package：TO-263 (DDPAK-7)
Grade：Automotive
Qualification：AEC-Q100

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TL4242QKTTRQ1

Overview

The TL4242QKTTRQ1 is an adjustable constant-current LED driver IC designed for automotive applications. It supports boost and buck topologies with a maximum input voltage of 42 V and output current capability of 500 mA. The device operates within a supply voltage range of 4.5 V to 42 V, delivering up to 16 V output. It functions at a switching frequency of 10 kHz and is qualified to AEC-Q100 standards. The component operates reliably across a temperature range of -40°C to +105°C and is housed in an 8-pin WSON package.

Feature Summary

Supports both boost and buck converter topologies for flexible LED drive configurations
Integrated adjustable constant-current control for precise LED regulation
Automotive-grade qualification ensuring reliability under harsh environmental conditions

Applications

Automotive exterior lighting systems
Interior vehicle illumination circuits
LED accent lighting modules

Procurement Notes

Verify the specific suffix 'QKTTRQ1' against official Texas Instruments documentation to confirm packaging type and tape-and-reel specifications. Ensure the component meets AEC-Q100 requirements for your target automotive application. Cross-reference the datasheet revision date to validate technical parameters before integration into design schematics.

Selection Notes

Select this component when designing automotive LED drivers requiring integrated boost or buck functionality. It is suitable for applications needing adjustable current control within a 500 mA limit. Consider the 42 V input tolerance and wide operating temperature range for robust performance in vehicle environments.

Part Context

This part belongs to the TL4242-Q1 series of adjustable LED drivers manufactured by Texas Instruments. The series is engineered specifically for automotive lighting applications, offering high efficiency and compact solutions. The QKTTRQ1 designation indicates a specific package and reel configuration within this product family.