MP161BGS-33-P

Power Management - Specialized Overview

The MP161BGS-33-P is a specialized power management IC from Monolithic Power Systems designed for ultra-low standby power applications. It integrates a switching regulator with a fixed 3.3 V output and a maximum output current of 420 mA. The device operates within an input voltage range of 5.1 V to 5.8 V and features a quiescent current of 720 uA. It supports Buck, Boost, and Flyback topologies and includes shutdown functionality. The component is housed in a SOIC-16 package and functions reliably across a temperature range of -40 C to +125 C.

Power Management - Specialized Feature Summary

• Integrates a switching regulator with integrated current limiting for simplified design
• Optimized for ultra-low standby power consumption in always-on systems
• Supports multiple non-isolated offline converter topologies including Buck, Boost, and Flyback

Power Management - Specialized Applications

• Smart plug reference designs
• Non-isolated buck regulator circuits with ESP8266 modules
• Always-on IoT devices requiring low quiescent current

Power Management - Specialized Procurement Notes

Verify the specific suffix 'P' indicates reel packaging when ordering. Confirm the SOIC-16 package dimensions against your PCB footprint library. Ensure input voltage requirements align with the specified 5.1 V to 5.8 V range. Check humidity sensitivity handling procedures during assembly. Validate thermal dissipation capabilities for your specific enclosure environment.

Power Management - Specialized Selection Notes

Select this component for applications prioritizing minimal standby power over high efficiency at light loads. It is suitable for systems requiring a stable 3.3 V rail from a narrow input window. Consider the integrated current limit for basic overload protection without external components. Evaluate the SOIC-16 package size against available board space constraints.

Power Management - Specialized Part Context

This part belongs to the MP161 series of specialized PMICs from Monolithic Power Systems. These devices are engineered for smart home and IoT infrastructure where energy conservation is critical. The series typically combines switching regulation with low-power control logic to maintain system readiness while minimizing energy waste during idle states.

Power Management - Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.