O3851AEDCARQ1

Overview

The O3851AEDCARQ1 is an automotive-grade power management IC (PMIC) manufactured by Texas Instruments. It is designed for high-voltage power management applications in safety-relevant systems. The device operates with a supply voltage range of 7V to 36V and draws a typical supply current of 120mA. It is housed in a 48-pin HTSSOP package, suitable for surface mount technology. The component meets AEC-Q100 qualification standards and functions within a temperature range of -40°C to +125°C.

Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• High-voltage input capability for robust system integration
• Compact surface-mount packaging for space-constrained designs

Applications

• Safety-relevant microcontroller power supplies
• Automotive electronic control units
• High-voltage embedded power systems

Procurement Notes

Verify the specific ordering suffix and package variant against the official Texas Instruments datasheet before procurement. Confirm that the component status aligns with current design requirements, as availability and lifecycle status may vary. Ensure compatibility with your manufacturing process regarding moisture sensitivity levels and reflow profiles specified in the manufacturer's documentation.

Selection Notes

Select this component when designing for automotive environments requiring high-voltage tolerance and strict reliability standards. Consider the 48-pin HTSSOP footprint for layout constraints. Evaluate the 120mA supply current against system power budgets. Ensure the operating temperature range covers the intended application environment without derating issues.

Part Context

This part belongs to the TPS653850 series of multi-rail power supplies for microcontrollers. It is specifically engineered for safety-critical applications in the automotive sector. The series supports various microcontroller architectures including TMS570, RM570, Hercules, C2000, Renesas RH850, Infineon Aurix, NXP MPC56 Qoriva, and MPC57xx Panther.

Replacement Considerations

Consult the official Texas Instruments product selection guide for direct or pin-compatible alternatives. Verify functional equivalence and package compatibility before substitution.