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 頁數(shù)：20 Pages

MAXIM

美信

電源選擇器，用于雙電池系統(tǒng)

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

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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 頁數(shù)：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 頁數(shù)：20 Pages

MAXIM

美信

雙電池系統(tǒng)電源選擇器

MAX1773/MAX1773A均為高度集成的IC，可用作多電源系統(tǒng)的控制邏輯。這些IC可直接驅(qū)動(dòng)外部P溝道MOSFET，以選擇從AC適配器或雙電池源進(jìn)行充電和放電。做出選擇的依據(jù)是電源的存在與否和電池的狀態(tài)。MAX1773/MAX1773A利用集成式模擬比較器檢測(cè)低電池電量狀況，并通過電池?zé)崦綦娮栎敵龃_定電池是否存在。\n\n MAX1773/MAX1773A可與采用降壓拓?fù)涞某潆娖鞔钆涫褂?。他們針?duì)模擬電源很難控制的問題提供了一種簡(jiǎn)單有效的解決方案。MAX1773/MAX1773A還提供大部分電源監(jiān)控和選擇功能，將系統(tǒng)電源管理微處理器(μP)解放出來執(zhí)行其他任務(wù)。這不僅簡(jiǎn)化了微處 ? 7-MOSFET拓?fù)渲С值统杀窘鉀Q方案\n\n? 自動(dòng)檢測(cè)并響應(yīng)：\n? 低電池電壓條件\n\n? 電池插入和取出\n\n? 交流適配器存在\n\n\n\n\n? 可直接驅(qū)動(dòng)P溝道MOSFET\n\n? 簡(jiǎn)化電源管理μP固件\n\n? 電源管理μP可進(jìn)入待機(jī)狀態(tài)以延長電池續(xù)航時(shí)間\n\n? 交流適配器輸入電壓范圍：4.75V至28V\n\n? 集成LDO，具有1mA驅(qū)動(dòng)能力\n\n? 小尺寸20引腳TSSOP封裝;

ADI

亞德諾

Package：20-TSSOP（0.173"，4.40mm 寬）；包裝：管件 類別：集成電路（IC） 模數(shù)轉(zhuǎn)換器（ADC） 描述：IC ADC 10BIT SAR 20TSSOP

AD

亞德諾

Package：20-TSSOP（0.173"，4.40mm 寬）；包裝：管件 類別：集成電路（IC） 模數(shù)轉(zhuǎn)換器（ADC） 描述：IC ADC 10BIT SAR 20TSSOP

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亞德諾