O9039A385IZWSTQ1

Overview

The O9039A385IZWSTQ1 is an automotive-grade Power Management Unit (PMU) from Texas Instruments, designed for processor applications. It operates within an input voltage range of 3.135 V to 5.25 V and supports a maximum output current of 6 A. The device integrates seven buck converters with adjustable output voltages ranging from 700 mV to 3.3 V. Packaged in a 169-pin NFBGA, it is qualified under AEC-Q100 standards and functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Automotive-qualified power management unit tailored for processor systems
• Integrates multiple high-current buck converters for flexible rail generation
• Supports low-voltage operation with wide input voltage tolerance

Applications

• AM572x processor power supply design
• Automotive infotainment system power distribution
• ADAS controller power management

Procurement Notes

Verify the specific suffix 'ZWS' against the manufacturer's official documentation to confirm package type and tape-and-reel specifications. Ensure the component meets the required AEC-Q100 grade for your target automotive application environment. Cross-reference the full part number with the latest datasheet revision to avoid discrepancies in pinout or electrical characteristics.

Selection Notes

Select this PMU when designing for AM572x processors requiring integrated power sequencing and multiple regulated rails. It is suitable for space-constrained automotive designs needing high current density. Compare against similar TPS65903x series devices if different converter counts or thermal performance are required for the specific PCB layout constraints.

Part Context

This component belongs to the TPS659039 family of specialized PMICs. It serves as a dedicated power solution for complex SoCs in automotive environments. The device consolidates multiple power stages into a single package to reduce board space and simplify power tree design for high-performance computing nodes.

Replacement Considerations

Consult the official datasheet for direct pin-to-pin compatible alternatives within the TPS65903x family. Verify that any substitute maintains the same AEC-Q100 qualification and thermal characteristics for automotive reliability.