MAX77643SANA+T

Power Management - Specialized Overview

The MAX77643SANA+T is an ultra-low power PMIC featuring a single-inductor, three-output buck-boost regulator and one LDO. It operates within a 2.7 V to 5.5 V input range and supports output voltages up to 5.5 V. The device delivers 150 mA output current with a peak efficiency of 93%. It functions in temperatures from -40°C to +125°C and uses a WLP-25 package.

Power Management - Specialized Feature Summary

• Integrates a single-inductor, three-output buck-boost converter with high peak efficiency
• Includes a dedicated low-dropout (LDO) regulator for auxiliary power needs
• Designed for ultra-low power consumption to extend battery life in portable devices

Power Management - Specialized Applications

• Fitness monitors
• Health tracking devices
• Activity trackers

Power Management - Specialized Procurement Notes

Verify the specific suffix 'S' against the official datasheet to confirm pinout or functional variations compared to standard variants. Ensure the WLP-25 package footprint matches the design layout. Confirm RoHS compliance status through manufacturer documentation before finalizing procurement specifications.

Power Management - Specialized Selection Notes

Select this component when designing space-constrained wearable electronics requiring multiple regulated rails from a single inductor. The wide input voltage range accommodates various battery chemistries. Verify that the thermal performance of the WLP-25 package meets the application's heat dissipation requirements under maximum load conditions.

Power Management - Specialized Part Context

This part belongs to the MAX77643 family of specialized power management ICs from Analog Devices/Maxim Integrated. These components are engineered for mobile and wearable applications where size and power efficiency are critical constraints. The series offers configurable solutions to optimize system performance while minimizing the overall bill of materials.

Power Management - Specialized Replacement Considerations

Consult the official cross-reference list for verified substitutes. Ensure any alternative maintains the WLP-25 package dimensions and electrical characteristics compatible with the existing circuit design.