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Recently, 52Audio disassembled the Redmi Buds 4 Youth Edition true wireless earphones and found that the earphone box is equipped with a low-power microcontroller with SinhMicro SS880MH integrated power management function and a SinhMicro SS61-C boost IC. The two achieve charging for the earphone box and the earphone itself, forming a complete set of efficient and safe charging operation solutions for the earphones. Let's take a look at the details together.

Recently, 52Audio dismantled the Little Genius E3 open headphones and found that its charging compartment uses SinhMicro SS881A POWER MCU for intelligent charging and discharging management of the headphones.

The SS26L1X MCU released in this promotion focuses on the scenario of multiple battery mobile devices, integrates high-voltage LDO, has a clear MCU storage architecture, complete system level control, and built-in rich interface functions, flexible configuration modes, and low power consumption options suitable for different application scenarios.

Sinhmicro昇生微电子SS881Q POWER MCU，采用4*4mm QFN24封装，内部集成电池充电管理及单片机，可实现电源管理及充电盒控制等功能。

荣耀亲选是荣耀生态旗下的品牌，在荣耀“1+8+N”战略中扮演“+N”的角色，主营各类智能家居类产品，旨在打造一个属于荣耀的AIoT生态链。在TWS耳机领域，荣耀亲选主打入门级产品，EarBuds X2真无线耳机就是一款非常能打的耳机产品。在拆解中发现这款耳机的充电盒内部采用了昇生微电子SS881A POWER MCU芯片。SS881A MCU芯片可以对电池进行充电管理，支持锂电池、磷酸铁锂及镍氢电池充电。丰富的IO接口可实现电量显示、霍尔元件检测和电源管理保护等功能，集成度非常高，可以说是为TWS耳机充电盒量身定制的。