2A Switching Charger, 2.4A Boost and Fuel Gauge with Single Inductor CXLB74149 is a switching Li-Ion battery charger capable of delivering 2A of charging current to the battery and also capable of del

   产品概述 返回TOPt1i嘉泰姆

     CXLB74149 is a switching Li-Ion battery charger capable of delivering 2A of charging current to the battery and also capable of delivering up to 5V/2.4A in boost operation, with high efficiency in both charging mode and boost mode. It also includes a fuel gauge system for power indication. For charging, it uses a proprietary control scheme that eliminates the current sense resistor for conventional constant current control, maximizing efficiency, reducing charging time and reducing costs. It can also output a 5V voltage in the reversed direction by boosting from the battery. It only needs a single inductor to provide power bidirectionally with a proprietary automatic mode detect and switch scheme. CXLB74149 is an ideal all-in-one solution for battery charging and discharge applications, such as power banks, smart phones, and tablets with only one USB port that can be used for charging battery function. CXLB74149 is suitable for charging a 4.2V Li-ion battery. And CXLB74149is inESOP8 package.

   产品特点 返回TOPt1i嘉泰姆

 Bi-Directional Power conversion with Single Inductor t1i嘉泰姆

 Automatic Mode Switching t1i嘉泰姆

 Switching Charger t1i嘉泰姆

 5V Synchronous Boost t1i嘉泰姆

 Up to 96% Efficiency t1i嘉泰姆

 2A charging current and 2.4A discharging t1i嘉泰姆

 No-Battery detection t1i嘉泰姆

 No External Sense resistor t1i嘉泰姆

 4 LEDs Fuel gauge t1i嘉泰姆

 Button Controlledt1i嘉泰姆

   应用范围 返回TOPt1i嘉泰姆

 Tablet, MID t1i嘉泰姆

 Smart Phone t1i嘉泰姆

 Power Bankt1i嘉泰姆

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