产品概述 返回TOPxa8嘉泰姆

    CXLB74133 is power management solution for portable battery charger system. The device contains a full-featured battery charger with up to 2A charge current, a 2.4A 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 2.4A capacity. In both charge and discharge mode, PFM is engaged to maintain high efficiency at light load. CXLB74133 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TOPxa8嘉泰姆

Complete 5V portable battery charger system with integrated power FET and smart charge/discharge mode control xa8嘉泰姆

Supports Battery Charging Specification 1.2 charging port types of Dedicated Charging Ports (DCP) xa8嘉泰姆

Supports Chinese Communications Industry Standard YD/T 1591-2009
Auto detect and charge for Apple, Samsung, BC1.2 compliant devices xa8嘉泰姆

Sustain up to 10V with charging and bypassing function in OFF status
12V input instantaneous withstand voltage xa8嘉泰姆

Charge termination and auto-recharge xa8嘉泰姆

Ideal diode to minimize voltage drop xa8嘉泰姆

Low quiescent current xa8嘉泰姆

Selectable 4.2V/4.35V battery voltage with ±1% accuracy xa8嘉泰姆

Up to 2A charge current xa8嘉泰姆

2.4A output current limit xa8嘉泰姆

93% charge peak efficiency xa8嘉泰姆

97% discharge peak efficiency xa8嘉泰姆

Automatic load detection xa8嘉泰姆

NTC function for battery thermal protection xa8嘉泰姆

Battery over charge and over discharge protection xa8嘉泰姆

Safety timer to prevent prolonged charging xa8嘉泰姆

Thermal and short circuit protectionxa8嘉泰姆

   应用范围 返回TOPxa8嘉泰姆

 
Portable battery charger systemxa8嘉泰姆

   技术规格书（产品PDF) 返回TOP xa8嘉泰姆

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