MAX77847AEWL+T

Overview

The MAX77847AEWL+T is a high-efficiency buck-boost regulator designed for battery-powered applications. It features an input voltage range of 1.8V to 5.5V and supports output voltages from 1.8V to 5.2V in 50mV steps. The device offers switching current limits of 4.5A or 3.6A, with an ultra-low quiescent current of 14μA. It includes I2C interface for programmable voltage adjustment, hardware DVS control, and SEL pin configuration. Packaged in a 15-bump WLP measuring 2.18mm x 1.66mm.

Feature Summary

• Industry-leading 14μA quiescent current for extended battery life
• Seamless mode transition across wide input/output ranges
• I2C configurable output voltage with 50mV resolution
• Hardware dynamic voltage scaling (DVS) support

Applications

• Battery-powered portable electronics
• Smartphones and mobile devices
• Wearable technology
• IoT sensor nodes

Procurement Notes

Verify the complete part number including suffixes against official Analog Devices documentation to ensure correct package type and temperature rating. Confirm RoHS compliance status through manufacturer datasheets prior to integration. Cross-reference ordering information directly with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when ultra-low standby current and wide input voltage flexibility are critical. The integrated buck-boost topology simplifies design for single-cell lithium batteries. Consider the 15-bump WLP package constraints for PCB layout density requirements.

Part Context

Part of the MAX778xx series of power management ICs from Maxim Integrated. Designed specifically for high-efficiency energy conversion in compact mobile form factors. Utilizes advanced buck-boost controller technology for optimal performance.

Replacement Considerations

MAX77847AEWL+T