Texas Instruments recommends a star-ground configuration, with the analog and digital grounds separated and connected at a single point. Additionally, keep the input and output traces short and away from noise sources, and use a solid ground plane to reduce electromagnetic interference (EMI).
The TLC4502MD has a built-in output current limiting circuit that limits the output current to 150mA. To handle foldback current limiting, use an external resistor (Rlim) to set the current limit threshold. The datasheet provides a formula to calculate the required Rlim value based on the desired current limit.
Texas Instruments recommends powering up the TLC4502MD in the following sequence: VCC, then VIN, and finally the input signals. This sequence helps prevent latch-up or damage to the device.
To ensure thermal performance, provide adequate heat sinking, such as a copper plane or a heat sink, and keep the device away from heat sources. Monitor the junction temperature (TJ) and ensure it stays within the recommended operating range (–40°C to 125°C).
For high-reliability or automotive applications, consider the device's AEC-Q100 qualification, which ensures it meets specific reliability and quality standards. Additionally, follow Texas Instruments' guidelines for PCB design, component selection, and testing to ensure the device meets the required reliability and quality standards.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
TLC4502MD Overview
Use the download button to access the TLC4502MD schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like TLC45,
or try a keyword search, such as Operational Amplifiers
About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
