TPS2490DGS

Hot Swap Controllers Overview

The TPS2490DGS is a latchable positive high-voltage power-limiting hot swap controller manufactured by Texas Instruments. It operates within a supply voltage range of 9 V to 80 V and supports a single channel. The device features programmable current limiting, fault timeout, and under-voltage lockout (UVLO). It is housed in a 10-pin MSOP package with a maximum operating temperature of +85 °C and a minimum of -40 °C. The quiescent supply current is 1 mA, and the power dissipation is rated at 376 mW.

Hot Swap Controllers Feature Summary

• Provides latchable fault protection for high-voltage applications
• Features programmable current limiting and fault timeout capabilities
• Includes under-voltage lockout for system stability

Hot Swap Controllers Applications

• General purpose hot swap controller designs
• High-voltage power distribution systems
• Industrial equipment requiring protected power insertion

Hot Swap Controllers Procurement Notes

Verify the specific suffix DGS confirms the MSOP-10 package and tube packaging configuration. Ensure the component meets RoHS compliance requirements for your assembly process. Confirm that the latchable fault behavior aligns with your system's recovery strategy, as this differs from auto-retry variants. Check for any recent PCNs regarding material changes or pin plating updates before finalizing procurement.

Hot Swap Controllers Selection Notes

Select this component when a latchable fault response is required rather than automatic retry. It is suitable for positive voltage rails up to 80 V. Compare against the TPS2491 series if auto-retry functionality is preferred instead of latching. Ensure the 10-pin MSOP footprint fits the PCB layout constraints. Verify that the 1 mA supply current meets the system's standby power budget.

Hot Swap Controllers Part Context

This part belongs to the TPS2490 family of hot swap controllers designed for positive high-voltage applications. It serves as a protective interface between a power bus and load circuits. The device monitors voltage and current to prevent damage during insertion or fault conditions. It is distinct from negative voltage controllers like the TPS2390 series.

Hot Swap Controllers Replacement Considerations

TPS2490DGSG4 is a verified equivalent variant within the same product line.