Power Source Selector for Dual-Battery Systems

General Description The MAX1773/MAX1773A highly integrated ICs serve as the control logic for a system with multiple power sources. They directly drive external P-channel MOSFETs to select from an AC adapter and dual battery sources for charge and discharge. The selection is made based on the pre

文件：397.77 Kbytes 页数：20 Pages

Maxim

美信

电源选择器，用于双电池系统

The MAX1773/MAX1773A highly integrated ICs serve as the control logic for a system with multiple power sources. They directly drive external P-channel MOSFETs to select from an AC adapter and dual battery sources for charge and discharge. The selection is made based on the presence of the power sour \n• 7-MOSFET Topology Offers Low-Cost Solution \n• Automatically Detects and Responds to:\n• Low Battery Voltage Condition \n• Battery Insertion and Removal \n• AC Adapter Presence\n• Direct Drive of P-Channel MOSFETs \n• Simplifies Power Management µP Firmware \n• Extends Battery Life by Allowing P;

ADI

亚德诺

Power Source Selector for Dual-Battery Systems

General Description The MAX1773/MAX1773A highly integrated ICs serve as the control logic for a system with multiple power sources. They directly drive external P-channel MOSFETs to select from an AC adapter and dual battery sources for charge and discharge. The selection is made based on the pre

文件：397.77 Kbytes 页数：20 Pages

Maxim

美信

Power Source Selector for Dual-Battery Systems

General Description The MAX1773/MAX1773A highly integrated ICs serve as the control logic for a system with multiple power sources. They directly drive external P-channel MOSFETs to select from an AC adapter and dual battery sources for charge and discharge. The selection is made based on the pre

文件：397.77 Kbytes 页数：20 Pages

Maxim

美信

双电池系统电源选择器

MAX1773/MAX1773A均为高度集成的IC，可用作多电源系统的控制逻辑。这些IC可直接驱动外部P沟道MOSFET，以选择从AC适配器或双电池源进行充电和放电。做出选择的依据是电源的存在与否和电池的状态。MAX1773/MAX1773A利用集成式模拟比较器检测低电池电量状况，并通过电池热敏电阻输出确定电池是否存在。\n\n MAX1773/MAX1773A可与采用降压拓扑的充电器搭配使用。他们针对模拟电源很难控制的问题提供了一种简单有效的解决方案。MAX1773/MAX1773A还提供大部分电源监控和选择功能，将系统电源管理微处理器(µP)解放出来执行其他任务。这不仅简化了微处 • 7-MOSFET拓扑支持低成本解决方案\n\n• 自动检测并响应：\n• 低电池电压条件\n\n• 电池插入和取出\n\n• 交流适配器存在\n\n\n\n\n• 可直接驱动P沟道MOSFET\n\n• 简化电源管理µP固件\n\n• 电源管理µP可进入待机状态以延长电池续航时间\n\n• 交流适配器输入电压范围：4.75V至28V\n\n• 集成LDO，具有1mA驱动能力\n\n• 小尺寸20引脚TSSOP封装;

ADI

亚德诺

Package：20-TSSOP（0.173"，4.40mm 宽）；包装：管件 类别：集成电路（IC） 模数转换器（ADC） 描述：IC ADC 10BIT SAR 20TSSOP

AD

亚德诺

Package：20-TSSOP（0.173"，4.40mm 宽）；包装：管件 类别：集成电路（IC） 模数转换器（ADC） 描述：IC ADC 10BIT SAR 20TSSOP

AD

亚德诺