MP28167GQ-B-P

Voltage Regulators - DC DC Switching Regulators Overview

The MP28167GQ-B-P is a synchronous four-switch buck-boost converter from Monolithic Power Systems. It operates with an input voltage range of 2.8V to 22V and provides a fixed 5V output capable of delivering up to 3A. The device integrates low RDS(ON) power MOSFETs and supports switching frequencies of 500kHz or 750kHz. It features I²C configurable parameters, including line drop compensation and protection functions like OVP, SCP, and thermal shutdown. The component is housed in a QFN-16 (3mm x 3mm) package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous four-switch buck-boost topology for continuous conduction mode across wide input ranges
• I²C interface for configurable output voltage scaling, current limits, and operational modes
• Integrated protection mechanisms including over-voltage, short-circuit, and thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• USB PD sourcing ports
• Buck-boost bus applications
• Portable devices with varying battery voltages

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'B' against official MPS documentation to confirm pinout compatibility and functional equivalence with other variants in the MP28167 series. Ensure the selected package type matches the target PCB footprint requirements. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring stable regulation from fluctuating input sources such as single-cell lithium batteries or USB PD inputs. The integrated four-switch architecture eliminates the need for external topology switching logic. Consider the I²C configurability if dynamic adjustment of output parameters or protection thresholds is required during operation.

Voltage Regulators - DC DC Switching Regulators Part Context

The MP28167 series represents a family of high-efficiency integrated buck-boost converters designed for flexible power delivery applications. This specific model belongs to the GQ package variant within the broader MP28167 lineup, sharing core control algorithms and protection features with adjacent part numbers while differing in packaging and potentially specific electrical tolerances defined by the manufacturer.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MP28167GQ-Z and MP28167GQ-P are documented variants within the same series offering identical electrical specifications and functionality. Verify that the pinout configuration remains consistent between these part numbers to ensure direct replacement compatibility without PCB redesign.