TPS2041BDBVTG4

Power Distribution Switches, Load Drivers Overview

The TPS2041BDBVTG4 is a single-channel, current-limited power distribution switch manufactured by Texas Instruments. It integrates a high-side N-channel MOSFET within an ultra-small SOT-23 package. The device operates with an input voltage range of 2.7V to 5.5V and provides a programmable current limit of 0.8A. Key electrical characteristics include a typical on-resistance of 160 milliohms and a fault response time of 2 microseconds. It features active-low enable control and thermal shutdown protection, operating reliably across an extended temperature range from -40°C to +85°C.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates a high-side N-channel MOSFET for efficient power switching
• Provides precise current limiting to protect downstream loads
• Includes thermal shutdown for enhanced system safety
• Features active-low enable logic for flexible control

Power Distribution Switches, Load Drivers Applications

• USB port power management and overcurrent protection
• Peripheral power distribution in portable devices
• Battery-powered equipment load switching
• Hot insertion applications requiring controlled ramp-up

Power Distribution Switches, Load Drivers Procurement Notes

Verify the complete part number including the G4 suffix to confirm lead-free compliance and RoHS status. Confirm the DBV package designation corresponds to the SOT-23 form factor required for your PCB layout. Ensure the operating voltage and current limits align with your specific application requirements before procurement.

Power Distribution Switches, Load Drivers Selection Notes

Select this component when space constraints necessitate an SOT-23 package while requiring integrated current limiting. It is suitable for applications needing a single channel with moderate current capacity. Consider the 160 milliohm on-resistance for efficiency calculations. Verify that the 0.8A current limit meets the load requirements without nuisance tripping during startup transients.

Power Distribution Switches, Load Drivers Part Context

This device belongs to the TPS204x family of USB power switches designed for compact consumer electronics. It offers a balance of performance and size, targeting applications where board real estate is limited. The family includes variants with different current limits and packages, allowing designers to optimize for cost or performance based on specific system needs.

Power Distribution Switches, Load Drivers Replacement Considerations

Direct replacements include TPS2041BDBVR and TPS2041BDBVT. Verify pin compatibility and electrical specifications such as current limit tolerance and on-resistance. Ensure the replacement maintains the same package type and thermal characteristics to fit existing footprints.