S6BP401AB1SN1B000

Overview

The S6BP401AB1SN1B000 is an automotive-grade Power Management IC (PMIC) designed for in-vehicle networking applications. It integrates six output channels, comprising four synchronous step-down (buck) converters and two low-dropout (LDO) regulators. The device operates with a switching frequency of 2.1 MHz and supports an input voltage range of 2.97 V to 5.5 V. Key output specifications include 2 A at 1.2 V, 3 A at 1 V, and 2 A at 1.8 V. It is housed in a 40-QFN (6x6 mm) package and is qualified to AEC-Q100 standards for operation between -40°C and 125°C.

Feature Summary

• Integrates four synchronous buck converters and two LDOs for comprehensive power distribution
• Automotive-grade qualification ensuring reliability in harsh vehicle environments
• High-frequency switching operation to minimize external component size

Applications

• In-vehicle Ethernet PHY power supply
• Advanced Driver-Assistance Systems (ADAS)
• Automotive infotainment systems

Procurement Notes

Verify the specific suffix 'AB1' against official Infineon documentation to confirm pin compatibility and electrical characteristics. Ensure the procurement channel provides valid traceability for automotive components. Confirm that the delivered units match the 40-QFN package dimensions and are free from moisture sensitivity issues prior to assembly.

Selection Notes

Select this PMIC when designing automotive networks requiring integrated power management for Ethernet controllers. It is suitable for space-constrained designs due to its high integration level. Consider the 2.1 MHz switching frequency for thermal management and EMI constraints. Verify that the required output currents align with the specific buck converter capabilities defined in the datasheet.

Part Context

This component belongs to the S6BP401 family of specialized automotive PMICs. These devices are engineered specifically for powering complex electronic control units in modern vehicles. The family shares common architectural features but varies in output configurations and packaging options to suit different system requirements.

Replacement Considerations

Consult official Infineon substitution guides for verified alternatives. Cross-referencing with similar part numbers requires careful validation of pinouts and electrical parameters to ensure functional equivalence in automotive applications.