CXCH76016单电池锂离子锂聚合物电池限流恒压充电器自动识别电池极性电流250毫安独立电池充电器多种LED显示

CXCH76016是一款适用于单电池锂离子和锂聚合物电池的全限流恒压充电器。它的COB包和低外部组件数使CXCH76016非常适合于低成本和便携式应用。此外，CXCH76016专为通用旅行充电器应用而设计。CXCH76016有一个内置的探测器，可以自动检测插入电池的极性，并以正确的极性为电池充电。充电开始时，最大充电电流约为250毫安。这样可以减少充电时间。目标电池最终电压固定在4.22V，当电池接近4.22V时，CXCH76015会逐渐降低充电电流，避免过充，造成电池变形甚至爆炸。达到最终目标电压后，当充电电流降至30mA时，CXCH76016自动终止充电循环。为了降低功耗和散热要求，CXCH76016设计为在车辆识别号=5V时提供高达250毫安的充电电流。与其他集成电路相比，这将功耗降低到50%左右。作为进一步的保险，CXCH76016配备了超温保护。这确保了CXCH76016是在低功耗和低成本COB封装中使用的唯一安全IC。当输入电源断开时，CXCH76016自动进入低电流级或绿色模式操作，使蓄电池放电电流降至小于7uA。CXCH76016可以进入关机模式，将电源电流降低到30uA。CXCH76016支持各种LED显示选项，如下面的应用部分所述。

目录

1.产品概述       2.产品特点     

3.应用范围       4.技术规格书下载（PDF文档）

5.产品封装       6.电路原理图  

7.相关产品

   产品概述 返回TOP

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     CXCH76016 is a complete Limit-current & constant voltage charger for single cell Lithium-ion and Lithium-Polymer batteries. Its COB package and low external component count make CXCH76016 ideally suited for Low Cost and portable applications. Furthermore, the CXCH76016 is specifically designed to work for Universal Travel Charger Applications. CXCH76016 has a built-in detector that will automatically detect the polarity of the inserted battery and charge the battery at the correct polarity. The max charging current is around 250mA, at the start of the charging. This will minimize the charging time. The target battery final voltage is fixed at 4.22V. As the battery approaches 4.22V, CXCH76015 will gradually reduce charging current to avoid overcharging, which might result in battery deformation or even explosion. The CXCH76016automatically terminates the charge cycle when the charge current drops to 30mA after the final target voltage is reached. To reduce power consumption and minimize heat dissipation requirements, CXCH76016is designed to provide up to 250mA charging current at Vin=5V. This reduces the power consumption to about 50% when compared to other IC’s. As further insurance, CXCH76016is equipped with Over-Temperature-Protection. This makes sure that CXCH76016 is the only safe IC to be used in lower power and low cost COB package. When the input supply is removed, the CXCH76016 automatically enters a low current stage, or Green Mode operation, dropping the battery drain current to less than 7uA. The CXCH76016 can be put into shutdown mode, reducing the supply current to 30uA. CXCH76016 supports various LED display options, as outlined in the Application section below. CXCH76016is available in COB SOP8 and DIP8 options.

   产品特点 返回TOP

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 ¾ Automatically Identifies the polarity of the battery 

¾ Typical-Current to 250mA 

¾ Scalable for higher charging currents, such as Dual-Core for 500mA, Tri-Core for 750mA, and Quad-Core for 1A charging currents. 

¾ Short-Circuit Protection 

¾ Low external component 

¾ Build in high precision reference voltage 

¾ Preset 4.22V Charge Voltage with ±50mV Accuracy. 

¾ 20uA Supply Current in Shutdown. 

¾ Support Standalone Battery Charger. 

¾ Support various LED Display schemes. 

¾ Available in DIP-8 and COB Packages.

   应用范围 返回TOP

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¾ Universal Travel Charger (AUC) 

¾ 4 LED Waterfall Display Option 

¾ 3 LED Running Display Option 

¾ 2 LED Flashing Display Option 

¾ 1 LED Simple Display Option

   技术规格书（产品PDF) 返回TOP 

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产品封装图 返回TOP

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电路原理图 返回TOP

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万能充（自动识别极性）
Product	Status	Vcc Max	Vbat	IOUT Max	Polarity Detect	OTP/OCP	Pkg
CXCH76015	Active	6V	4.25	250mA	Yes/Yes	Yes/Yes	DIP8/COB/SOT23-6
CXCH76016	Active	6V	4.25	250mA	Yes/Yes	Yes/Yes	COB/DIP8
CXCH76017	Active	6V	4.25	250mA	Yes/Yes	Yes/Yes	DIP8/COB
CXCH76018	Active	6V	4.25	250mA	Yes/Yes	Yes/Yes	DIP8/COB
CXCH76019	Active	6V	4.25	250mA	Yes/Yes	Yes/Yes	DIP8/COB
CXCH76020	Active	6V	4.25	250mA	Yes/Yes	Yes/Yes	DIP8
CXCH76021	Active	6V	4.25	250mA	Yes/Yes	Yes/Yes	DIP8
CXCH76022	Active	6V	4.25	250mA	Yes/Yes	Yes/Yes	DIP8
CXCH76023	Active	6V	4.25	250mA	Yes/Yes	Yes/Yes	PSOP16