TPS7B8650QKVURQ1R2

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The TPS7B8650QKVURQ1R2 is an automotive-grade low-dropout linear regulator from Texas Instruments. It provides a fixed 5 V output with a maximum current of 500 mA. The device supports an input voltage range from 3 V to 40 V and operates within a junction temperature range of -40°C to +150°C. Key electrical specifications include a typical quiescent current of 26 µA, a power supply rejection ratio (PSRR) of 70 dB at 1 kHz, and a maximum dropout voltage of 0.575 V at full load. It features overcurrent protection, thermal shutdown, and under-voltage lockout.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for high reliability in vehicle environments.
• Integrated protection mechanisms including overcurrent limiting, thermal shutdown, and under-voltage lockout.
• Ultra-low quiescent current consumption to minimize power loss during standby or active operation.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Power management in automotive electronic control units (ECUs).
• Voltage regulation for sensors and actuators in harsh automotive environments.
• Supply conditioning for infotainment and body control modules.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the complete part number against official Texas Instruments documentation to ensure correct package type and revision level. Confirm that the specific suffix matches the required reel quantity and tape-and-reel specifications. Cross-reference the datasheet version to validate all electrical parameters before integration into the design.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 5 V rail is required for automotive applications demanding high input voltage tolerance up to 40 V. The TO-252-5 package offers robust thermal performance suitable for surface-mount assembly. Ensure the design accounts for the specified thermal resistance and maximum junction temperature limits under expected load conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This device belongs to the TPS7B86 series of ultra-low IQ LDO regulators designed specifically for automotive systems. It complements other variants in the family that offer different output voltages or adjustable configurations. The series emphasizes efficiency and reliability for battery-powered and alternator-fed automotive architectures.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Compatible substitutes within the same family include TPS7B8633QKVURQ1R2 (3.3 V output) and TPS7B8618QKVURQ1R2 (1.8 V output), provided the system voltage requirements align. Verify pin compatibility and thermal characteristics when substituting.