电源电路

AP4054 是一款完整的单节锂离子电池，采用恒定电流/恒定电压线性充电器。其SOT 封装与较少的外部元件数目使得AP4054 成为便携式应用的理想选择。 AP4054 可以适合 USB 电源和适配器电源 工作。由于采用了内部 PMOSFET 架构，加上防倒充电路，所以不需要外部检测电阻器和隔离二极管。热反馈可对充电电流进行调节，以便在大功率操作或高环境温度条件下对芯片温度加以限制。充电电压固定于4.2V，而充电电流可通过一个电阻器进行外部设置，当充电电流在达到最终浮充电压之后降至设定值 1/10 时，A • 高达 800mA 的可编程充电电流。 \n\n• 无需 MOSFET、检测电阻器或隔离二极管。 \n\n• 用于单节锂离子电池、采用 SOT23-5 封装的完整线性充电器。 \n\n• 恒定电流/恒定电压操作，并具有热调节功能。 \n\n• 直接从 USB 端口给单节锂离子电池充电。 \n\n• 4.2V 预设充电电压。 \n\n• C/10 充电终止；自动再充电。 \n\n• 充电状态输出引脚。 \n\n• 待机模式下的供电电流为 45uA。 \n\n• 2.9V涓流充电器件版本。 \n\n• 软启动限制了浪涌电流。;

Power MOSFETs

LIQUID-CRYSTAL DISPLAY DRIVERS

TheHCC4054B, HCC4055BandHCC4056B(extended temperature range) and the HCF4054B, HCF4055BandHCF4056B(intermediate temperature range) are monolithic integrated circuits available in 16-lead dual in-line plastic or ceramic package and plastic micro package.

LIQUID-CRYSTAL DISPLAY DRIVERS

TheHCC4054B, HCC4055BandHCC4056B(extended temperature range) and the HCF4054B, HCF4055BandHCF4056B(intermediate temperature range) are monolithic integrated circuits available in 16-lead dual in-line plastic or ceramic package and plastic micro package.

LIQUID-CRYSTAL DISPLAY DRIVERS

TheHCC4054B, HCC4055BandHCC4056B(extended temperature range) and the HCF4054B, HCF4055BandHCF4056B(intermediate temperature range) are monolithic integrated circuits available in 16-lead dual in-line plastic or ceramic package and plastic micro package.

General Purpose Rectifier

Features: □ Standard and Reverse Polarities with Color Coded Seals □ High Surge Current Ratings □ Electrical Selection for Parallel and Series Operation Applications □ Welders □ Battery Chargers □ Electrochemical Refining □ Metal Reduction □ General Industrial High Current Rectification

General Purpose Rectifier

Features: □ Standard and Reverse Polarities with Color Coded Seals □ High Surge Current Ratings □ Electrical Selection for Parallel and Series Operation Applications □ Welders □ Battery Chargers □ Electrochemical Refining □ Metal Reduction □ General Industrial High Current Rectification