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Maxim MAX17263MdelGauge m5 EZ算法池电量检测解决方案

Maxim公司的MAX17263是超低功耗的具有ModelGauge m5 EZ算法的电量集成电路,采用外接电阻分压器可对单电池或多电池组进行检测,并对电池老化,电流和温度进行补偿,集成了LED控制器,能驱动3-12个LED,并能自动荡计数,主要用在无线扬声器,医疗设备,无人机,电动工具,电动自行车,备用电池,玩具,家庭和建筑物自动化与传感器.本文介绍了MAX17263主要优势和特性,框图,多种应用电路以及评估板MAX17263 EVK主要特性和优势,电路图,材料清单和PCB设计图.

The MAX17263 is an ultra-low power fuel-gauge IC whichimplements the Maxim ModelGauge™ m5 algorithm. TheIC monitors either a single cell battery pack or multiple-seriescell battery pack with an external resistor divider. TheIC drives 3 to 12 automatically-counted LEDs to indicatebattery state-of-charge on a push-button press, or any othersystem status using I2C commands.

The ModelGauge m5 EZ algorithm makes fuel gauge implementationeasy by eliminating battery characterizationrequirements and simplifying host software interaction.The algorithm provides tolerance against battery diversityfor most lithium batteries and applications.

The algorithm combines the short-term accuracy and linearityof a coulomb counter with the long-term stability ofa voltage-based fuel gauge, along with temperature compensationto provide industry-leading fuel-gauge accuracy.
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