MAX20355EWO+

Power Management - Specialized Overview

The MAX20355EWO+ is a specialized Power Management IC (PMIC) designed for True Wireless Stereo (TWS) earbuds. It integrates a Power Line Communication (PLC) system, ModelGauge m5 EZ fuel gauge, and a buck-boost converter. Key electrical parameters include a system throughput of 100kbps and a bit rate of 166.7kbps. Each output provides a charging current of 200mA. The device supports 4Mbaud half-duplex pure data UART mode and features earbud insertion detection.

Power Management - Specialized Feature Summary

• Integrates Power Line Communication (PLC) with ModelGauge m5 EZ fuel gauge
• Includes high-efficiency buck-boost converter for power management
• Supports 4Mbaud half-duplex pure data UART communication mode
• Features automatic earbud insertion detection

Power Management - Specialized Applications

• True Wireless Stereo (TWS) earbuds
• Industrial applications
• Automotive electronics
• Aerospace systems

Power Management - Specialized Procurement Notes

Verify component authenticity through authorized Analog Devices channels due to limited supply status. Confirm package integrity upon receipt, as the device utilizes a 42-WLP (3.05x2.8) form factor. Ensure storage conditions meet manufacturer specifications to maintain reliability. Cross-reference ordering suffixes with official documentation to confirm functional equivalence before integration into production designs.

Power Management - Specialized Selection Notes

Select this PMIC for TWS designs requiring integrated PLC and fuel gauging. Evaluate the 200mA per-output charging capability against battery requirements. Consider the 4Mbaud UART mode for high-speed data transmission needs. Verify compatibility with industrial, automotive, or aerospace environmental standards if applicable. Assess the 42-WLP package dimensions for PCB layout constraints.

Power Management - Specialized Part Context

This component belongs to the MAX20355 series of power line communication PMICs. It is manufactured by Analog Devices Inc./Maxim Integrated. The device combines power management and communication functions in a single integrated circuit, targeting compact wearable audio devices. It represents a specialized solution within the broader PMIC category.

Power Management - Specialized Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official Analog Devices resources for potential alternatives.