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TL4242QKTTRQ1 The TL4242QKTTRQ1 is a linear LED driver from Texas Instruments. It offers adjustable constant current up to 500mA with a wide input voltage range.
Mfr Part #:

TL4242QKTTRQ1

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The TL4242QKTTRQ1 is a linear LED driver from Texas Instruments. It offers adjustable constant current up to 500mA with a wide input voltage range.
✓ Total Stock: 15,066 pcs
$ Price Range: $2.00

TL4242QKTTRQ1 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
9,526 pcs
On Request
9526 pcs On Request 1 On Request On Request 1336+NOPB On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request 21+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,540 pcs
On Request
1540 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TL4242QKTTRQ1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Automotive Grade
Current
Features
Internal Switch(s)
Mounting Type
Number of Outputs
Operating Temperature
Output Current
Quiescent Current
Supplier Device Package
Supplier Package
Topology
Type
Voltage
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TL4242QKTTRQ1 Description

Short technical summary and product information.

The TL4242QKTTRQ1 is an automotive-qualified adjustable LED driver from Texas Instruments. It operates as a linear current source, capable of delivering up to 500mA with ±5% accuracy.

 

This device features a wide input voltage range from 4.5V to 42V and a low dropout voltage. Integrated protection features include LED open detection, overtemperature protection, short-circuit proofing, and reverse-polarity protection, enhancing reliability in demanding applications.

 

The TL4242QKTTRQ1 is available in a TO-263-7 package and is designed for surface mounting. It operates within an ambient temperature range of -40°C to 125°C, making it suitable for automotive environments. The device is qualified for automotive applications under AEC-Q100.

 

Key specifications include a single output channel, a maximum output current of 500mA, and an input voltage range of 4.5V to 42V. The typical quiescent current is 12mA.

TL4242QKTTRQ1 Quick Information

Product Type: LED Driver
Canonical Name: TL4242-Q1 Adjustable LED Driver
Subcategory: Linear LED Driver

TL4242QKTTRQ1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TL4242QKTTRQ1 Estimated Pricing

Qty Low High
1+ $2.00 $2.00

Estimated market price range - modelled values for guidance only, not live distributor offers.

TL4242QKTTRQ1 Features

  • Adjustable constant current up to 500mA.
  • Wide input voltage range up to 42V.
  • Includes LED open detection.
  • Features overtemperature protection.
  • Qualified for automotive applications.

TL4242QKTTRQ1 Applications

  • Suitable for automotive LED lighting.
  • Used in illumination applications.
  • Ideal for backlight drivers.
  • Supports LED display drivers.

TL4242QKTTRQ1 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the TL4242QKTTRQ1?

The input voltage range is 4.5 V to 42 V.

What is the maximum output current of the TL4242QKTTRQ1?

The maximum output current is 500 mA (0.5 A).

What is the output voltage range of the TL4242QKTTRQ1?

The output voltage range is 0 V to 40 V.

What is the operating temperature range for the TL4242QKTTRQ1?

The operating temperature range is -40°C to 125°C.

What package does the TL4242QKTTRQ1 use?

It is available in a TO-263-8 / D²Pak (7 leads + tab) package, also known as DDPAK/TO-263-7.

What LED driver topology does the TL4242QKTTRQ1 use?

It uses a current source (linear) topology.

What protection features does the TL4242QKTTRQ1 include?

It includes LED open detection and thermal shutdown.

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