Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general guidelines for high-frequency PCB design, such as keeping the power and ground planes continuous, using short traces, and avoiding vias under the device.
To ensure proper biasing, connect the VDD pin to a stable voltage source between 2.7V and 5.5V, and make sure the input voltage (VIN) is within the specified range. Also, ensure that the voltage on the SENSE pin is within the specified range (0.5V to VDD) to avoid incorrect voltage monitoring.
The maximum current that can be sunk by the open-drain output (OUT) is 10mA, as specified in the datasheet. Exceeding this current may cause damage to the device.
The POR and BOR functions are designed to reset the device during power-up or brown-out conditions. To handle these functions, ensure that the VDD pin is properly decoupled, and consider adding an external capacitor to the RESET pin to filter out noise and ensure a clean reset signal.
The TPS3840PH49DBVR is rated for operation up to 125°C (TJ). However, it's essential to consider the device's thermal characteristics, such as the junction-to-ambient thermal resistance (RθJA), and ensure proper heat sinking and thermal management to prevent overheating.
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
TPS3840PH49DBVR Overview
Use the download button to access the TPS3840PH49DBVR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like TPS38,
or try a keyword search, such as Power Management Circuits
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.
