CXLB74132便携式电池充电器电源管理解决方案充电电流3A输出电流为3.1A过电压锁定在电压浪涌期间保护内部电路电池热保护的NTC功能蓄电池过充过放电保护

CXLB74132是便携式电池充电器系统的电源管理解决方案。该设备包含一个功能齐全的电池充电器，充电电流可达3A，输出电流为3.1A，并具有电池保护功能。充电方式：充电器可由5V墙壁适配器供电，变化率为±10%，过电压锁定在电压浪涌期间保护内部电路。当输入电压超过6.1V时，装置自动关闭充电和旁路功能，并能在关闭状态下保持高达10V的连续输入电压。该装置的电池浮充电压预置值为4.2V/4.35V，可通过外部电阻进行编程，在室温下精度为±1%。集成充电器最大限度地减少充电器的物理足迹，最大限度地提高充电效率，从而减少了功耗在充电。放电方式：系统输出功率为3.1A。在充电模式和放电模式下，PFM都会在轻载时保持高效率。CXLB74132通过短路保护、热保护和输入欠压和过压锁定保证了稳健性。它们有一个24针FCQFN4X4封装，带有低热阻的外露衬垫。

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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    CXLB74132 is power management solution for portable battery charger system. The device contains a full-featured battery charger with up to 3A charge current, a 3.1A output and battery protection functions.  Charge mode: The charger can be powered from 5V wall adaptor with ±10% variation whereas over voltage lock out protects internal circuit during voltage surge.  The device automatically turns-off charging and bypassing function when input voltage exceeds 6.1V, and can sustain up to 10V continuous input voltage with charging and bypassing function in OFF status. The device has a preset battery float voltage of 4.2V/4.35V programmable by external resistor with ±1% accuracy at room temperature. The integrated charger minimizes the charger’s physical footprint, maximizes charge efficiency, which reduces the power dissipation during charge. Discharge mode: The system power the output with 3.1A capacity.  In both charge and discharge mode, PFM is engaged to maintain high efficiency at light load. CXLB74132 guarantee robustness with short-circuit protection, thermal protection, and input under and over voltage lockout. They are available in a 24-pin FCQFN4X4 package with exposed pad for low thermal resistance. 

   产品特点 返回TOP

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Complete 5V portable battery charger system with integrated power FET and smart charge/discharge mode control 

Supports Battery Charging Specification 1.2 charging port types of Dedicated Charging Ports (DCP) 

Supports Chinese Communications Industry Standard YD/T 1591-2009
Auto detect and charge for Apple, Samsung, BC1.2 compliant devices 

Sustain up to 10V with charging and bypassing function in OFF status
12V input instantaneous withstand voltage 

Charge termination and auto-recharge 

Ideal diode to minimize voltage drop 

Low quiescent current 

Selectable 4.2V/4.35V battery voltage with ±1% accuracy 

Up to 3A charge current 

3.1A output current limit 

93% charge peak efficiency 

97% discharge peak efficiency 

Automatic load detection 

NTC function for battery thermal protection 

Battery over charge and over discharge protection 

Safety timer to prevent prolonged charging 

Thermal and short circuit protection

   应用范围 返回TOP

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Portable battery charger system

   技术规格书（产品PDF) 返回TOP 

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     需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！

 

产品封装图 返回TOP

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电路原理图 返回TOP

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移动电源解决方案
产品型号	充电电流	电池电压	充电指示器	USB	负载自动识别	输出电流	封装
	(A)	(V)		开关
CXLB74132	2.5	4.2/4.35	Y	Y	Y	3.1A	QFN4X4-24
CXLB74133	2	4.2/4.35	Y	Y	Y	2.4A	QFN4X4-24
模拟前端电池管理系统
产品型号	操作电压 (V)	最大电 池节数	电压ADC精确度 (-40°C~85°C)	电流ADC精确 度(-40°C~85°C)	静态电流	支持级联	封装
CXLB74134	10~60	14	±15mV	±500uV	200uA@Low power mode 80uA@Standby mode	Y	LQFP48
升压转换器
P/N	Vin	Vout	最大开关电流	输出功率	可编程输出电流		封装
	(V)	(V)
CXLB74135	2.8~20	3~20	10	18W@VIN=3.2 V30W@VIN=6.4V	Y		QFN3X4-15