Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-frequency PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and using vias to connect the input and output capacitors to the ground plane.
The selection of input and output capacitors depends on the specific application requirements, such as the input voltage range, output voltage, and ripple current. Texas Instruments recommends using low-ESR capacitors with a minimum capacitance of 10uF for the input and output. Additionally, the capacitor's voltage rating should be higher than the maximum input voltage.
The TPS40140RHHTG4 has an operating junction temperature range of -40°C to 150°C, but the maximum ambient temperature range depends on the specific application and the thermal design of the system. Texas Instruments recommends derating the device's power dissipation based on the ambient temperature to ensure reliable operation.
The TPS40140RHHTG4 has a built-in overcurrent protection feature that can be enabled by connecting the OC pin to the VIN pin through a resistor. The overcurrent threshold can be set by selecting the appropriate resistor value. Additionally, the device also has a thermal shutdown feature that will turn off the device if the junction temperature exceeds 150°C.
The recommended input voltage range for the TPS40140RHHTG4 is 2.7V to 5.5V, but the device can operate with input voltages as low as 2.5V and as high as 6V. However, the device's performance and efficiency may be affected at these extreme input voltage ranges.
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
TPS40140RHHTG4 Overview
Use the download button to access the TPS40140RHHTG4 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like TPS40,
or try a keyword search, such as Switching Regulator or Controllers
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.
