O9039A389IZWSTQ1

Overview

The O9039A389IZWSTQ1 is an automotive-grade Power Management IC (PMIC) from the TPS659039 series, manufactured by Texas Instruments. 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 features seven buck converters with adjustable output voltages ranging from 700 mV to 3.3 V. Designed for high reliability, it holds AEC-Q100 qualification and functions reliably across a temperature range of -40°C to +85°C. The component is housed in a 169-pin NFBGA package.

Feature Summary

• Automotive-grade power management integrated circuit designed for robust vehicle electronics applications
• Integrates multiple high-current buck regulators to efficiently supply diverse system loads
• Supports wide input voltage ranges suitable for standard automotive electrical architectures

Applications

• AM572x processor power systems
• Automotive infotainment platforms
• Advanced driver assistance systems (ADAS) power distribution

Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and functional compatibility. Ensure the supplier provides valid traceability documentation for automotive-grade components. Confirm that the received units match the exact part number designation to avoid integration errors in safety-critical designs.

Selection Notes

Select this component when designing for AM572x-based automotive platforms requiring consolidated power regulation. It is appropriate for systems needing multiple regulated rails from a single controller. Consider thermal management requirements due to the high current capabilities and dense packaging constraints inherent in NFBGA form factors.

Part Context

This PMIC belongs to the TPS659039 family, which integrates multiple power stages into a single compact solution. It serves as a central power hub for complex SoCs in automotive environments. The device replaces discrete regulator solutions, reducing board space and simplifying power sequencing logic for integrated processors.

Replacement Considerations

Consult official substitution lists for verified alternatives. Cross-reference pinouts and electrical specifications carefully before replacing.