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Product Detailed Parameters
- Description：IC LED DRIVER LINEAR 500MA 8SON
- 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 ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-WDFN Exposed Pad
- Supplier Device Package：8-SON (4x4)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The TL4242TDRJRQ1 is a Texas Instruments automotive-grade linear LED driver IC designed for high-power LED applications. It supports boost and buck topologies with a single output capable of delivering up to 500 mA. The device operates within an input voltage range of 4.5 V to 42 V and provides an adjustable output voltage up to 16 V. It functions at a switching frequency of 10 kHz and is qualified under AEC-Q100 standards. The component is housed in a WSON-8 package and ensures reliable operation across a temperature range from -40 °C to +105 °C.
Feature Summary
- Provides precise constant current regulation for high-power LEDs with integrated fault detection capabilities.
- Supports flexible power conversion topologies including both boost and buck configurations for diverse lighting architectures.
Applications
- Automotive Daytime Running Light (DRL) systems
- Vehicle tail and brake light modules
- Interior ambient lighting assemblies
Procurement Notes
Verify the specific suffix codes on the ordering information to confirm the exact package type, tape-and-reel specifications, and regional compliance certifications. Ensure that the selected variant matches the required thermal performance and electrical ratings for the target application environment before finalizing procurement orders.
Selection Notes
Select this component when designing automotive lighting circuits requiring robust linear regulation with wide input voltage tolerance. Consider the WSON-8 footprint constraints and the need for integrated protection features against open-load or short-circuit conditions inherent in vehicle harnesses.
Part Context
This part belongs to the TL4242 series of LED drivers manufactured by Texas Instruments. It is specifically engineered for automotive environments, adhering to strict reliability standards. The series offers scalable solutions for various lighting intensities while maintaining compact form factors suitable for modern vehicle integration.
Replacement Considerations
Consult official Texas Instruments documentation for confirmed substitute part numbers within the same family or cross-compatible alternatives. Verify pinout compatibility and thermal characteristics before implementing any replacement strategy.
