TPS22954DQCR

Power Distribution Switches, Load Drivers Overview

The TPS22954DQCR is a single-channel automotive load switch from Texas Instruments, designed for power distribution in vehicle electronics. It features an N-channel MOSFET with a maximum continuous output current of 5 A and a typical on-resistance of 14 mΩ at 5 V input. The device supports an input voltage range from 0.7 V to 5.7 V. Key functional parameters include an adjustable undervoltage lockout threshold, an adjustable power good indicator, and controlled output slew rate. It incorporates enhanced quick output discharge functionality and operates within a temperature range of -40°C to +125°C.

Power Distribution Switches, Load Drivers Feature Summary

• Integrated single-channel load switch with controlled turn-on and reverse current blocking when disabled
• Adjustable undervoltage lockout threshold and adjustable voltage supervisor with power good indicator
• Enhanced quick output discharge remains active after power removal to safely drain load capacitance
• Automatic restart capability after supervisor fault detection when enabled

Power Distribution Switches, Load Drivers Applications

• Infotainment and cluster head unit power distribution
• Automotive cluster display power management
• ADAS surround view system ECU power switching
• Body control module and gateway power sequencing

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific suffix DQCR against the official Texas Instruments datasheet to confirm package type and tape/reel specifications. Ensure the component meets AEC-Q100 Grade 1 requirements for the intended ambient operating temperature range. Cross-reference the ordering part number with the manufacturer's latest product change notices to confirm assembly site and material consistency before finalizing procurement.

Power Distribution Switches, Load Drivers Selection Notes

Select this component for applications requiring precise power sequencing and robust fault protection in automotive environments. The adjustable UVLO and PG thresholds allow customization for specific voltage monitoring needs. Consider the enhanced quick discharge feature if rapid load de-energization is required. Verify that the 5 A current rating and 14 mΩ on-resistance align with the target load requirements and thermal constraints.

Power Distribution Switches, Load Drivers Part Context

The TPS22954DQCR belongs to the TPS2295x-Q1 family of automotive load switches. This series provides small, single-channel solutions with integrated protection features. The device is qualified for automotive applications under AEC-Q100 standards. It complements other parts in the family by offering specific combinations of features like automatic restart and enhanced discharge capabilities tailored for complex power distribution networks.

Power Distribution Switches, Load Drivers Replacement Considerations

TPS22954QDQCRQ1