MAX77643SANA+

Power Management - Specialized Overview

The MAX77643SANA+ is an ultra-low power PMIC featuring a single-inductor, three-output buck-boost regulator and one LDO. It operates from 2.7V to 5.5V input voltage with a maximum output current of 150mA per channel. The device supports a wide operating temperature range from -40°C to +125°C. Packaged in a 25-WLP (2.06x2.06mm) format for surface mount installation, it delivers up to 93% peak efficiency to extend battery life in portable applications.

Power Management - Specialized Feature Summary

• Integrates a single-inductor multi-output buck-boost converter architecture
• Provides ultra-low power consumption for extended battery operation
• Includes a dedicated low-dropout linear regulator (LDO)
• Supports configurable output voltages within specified limits

Power Management - Specialized Applications

• Fitness trackers
• Health monitoring devices
• Activity monitors

Power Management - Specialized Procurement Notes

Verify the specific suffix 'SANA' against official Analog Devices documentation to confirm package dimensions and tape-and-reel specifications. Ensure compatibility with the target PCB footprint for the 25-WLP package. Confirm that the required output currents and voltage ranges align with the component's electrical ratings before finalizing procurement.

Power Management - Specialized Selection Notes

Select this component when system design requires multiple regulated outputs from a single inductor to minimize board space. It is suitable for applications prioritizing high conversion efficiency and minimal quiescent current. Consider the WLP package size constraints and thermal dissipation requirements relative to the total power load.

Power Management - Specialized Part Context

This part belongs to the MAX77643 family of specialized power management ICs designed for wearable electronics. It consolidates power regulation functions into a compact form factor, replacing discrete solutions. The series focuses on optimizing energy usage for battery-powered consumer health and fitness devices.

Power Management - Specialized Replacement Considerations

Consult official substitution guides for direct pin-compatible alternatives within the MAX77643 family. Verify that any substitute maintains the same WLP package outline and electrical performance characteristics.