O3854AQDCARQ1

Overview

The O3854AQDCARQ1 is an automotive-grade Power Management IC (PMIC) from the TPS653854A series, designed for ISO26262 ASIL-D compliance. It features a wide input voltage range of 2.3 V to 40 V and provides multiple regulated output rails with maximum voltages up to 6 V. The device supports output currents of 120 mA, 285 mA, and 350 mA across its channels. Operating within a temperature range of -40°C to +125°C, it is housed in a 48-pin HTSSOP package suitable for surface-mount applications.

Feature Summary

• Certified for ISO26262 ASIL-D functional safety requirements
• Multi-rail power supply architecture for complex system integration
• Wide input voltage tolerance supporting automotive load dump conditions

Applications

• Automotive electronic control units requiring ASIL-D certification
• Multi-rail power distribution systems in vehicle networks
• Safety-critical embedded processing platforms

Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct packaging and temperature grade. Confirm that the specific revision matches your design's pinout and electrical specifications. Cross-reference the datasheet for any recent product change notifications or lifecycle status updates before finalizing procurement plans.

Selection Notes

Select this component when designing systems that mandate ISO26262 ASIL-D compliance for power management functions. Ensure the application requires a wide input voltage range up to 40 V and multiple independent output rails. Verify that the thermal performance of the HTSSOP-48 package meets the system's heat dissipation requirements under maximum load conditions.

Part Context

This PMIC belongs to the TPS653854A family, which integrates multiple DC/DC converters and LDOs into a single solution. The 'Q1' suffix indicates automotive qualification, while 'AQP' denotes the specific variant optimized for high reliability and extended temperature operation in demanding vehicular environments.

Replacement Considerations

Consult official substitution guides for compatible parts within the TPS653854 series. Verify pin-to-pin compatibility and electrical parameter alignment before considering alternative TI components.