ASC405允許出廠配置預(yù)充電電流/截止電流/CV 電 壓和輸入過壓保護(hù)門限，其集成高壓輸入保護(hù)電路 可以承受高達(dá) 38V 的輸入浪涌電壓。 具有電池溫度 NTC 監(jiān)測(cè)、充電超時(shí)保護(hù)、輸入過壓、電池過壓、熱保護(hù)和狀態(tài)指示等功能。
特點(diǎn)：
適用于 2-3-4 節(jié)， 5-7-9 或 6-8-10 節(jié)鋰離 子/鋰聚合物率同步 Buck 充電器                                                                                 8V-60V 寬輸入電壓范圍                                                                 
20mΩ充電電流檢測(cè)電阻                                                                 
充電電流 10A，                                                                       
0.5％的充電電壓控制精度                                                             
可選擇電池節(jié)數(shù)： ASC6220A-2,3 或者 4 節(jié) ASC6220B-5,7 或者 9 節(jié) ASC6220C-6,8 或者 10 節(jié) ASC6220D- 12V，18V，24V 鉛酸         
4%的可編程充電電流控制精度                                                        
?恒壓充電電壓值可通過外接電阻微調(diào)                                               
? 智能電池檢測(cè)                                                                                 
?支持充電器輸出與電池間的電阻補(bǔ)償                                              
? 內(nèi)置軟啟動(dòng)                                                                                     
? 開關(guān)頻率 400/300KHz                                                                     
?LED 充電狀態(tài)指示                                                                           
?電池短路檢測(cè)，保護(hù)                                                                      
? 內(nèi)置過溫關(guān)斷                                                                                 
? 輸出充電電流信息                                                                         
? 電池充電過壓保護(hù)                                                                          
? Cycle-by-cycle 限流                                                                        
?外置電池溫度檢測(cè)                                                                            
?外置 ISET 腳充電使能                                                                      
? 睡眠模式電池功耗小于 15uA                                                             
?外置充電時(shí)間限制                                                                           
?工作環(huán)境溫度范圍：-20℃～85℃                                                      
?TSSOP-20 或 QFN-20 封裝

應(yīng)用領(lǐng)域：
?手持設(shè)備                   
? PDVD，PDA 和智能手機(jī)                                 
? 筆記本電腦                
? 自充電電池組             
?立充電器 
?拉桿音響

詳情介紹：
ASC6220 為同步開關(guān)型鋰離子/鋰 聚合物電池充電管理芯片，非常適合于便攜 式設(shè)備的充電管理應(yīng)用。 ASC6220 集高精度電壓和輸入電流及 充電電流調(diào)節(jié)器、預(yù)充、充電狀態(tài)指示和充 電截止等功能于一體，采用 TSSOP-20 或者 QFN-20 封裝。 ASC6220 對(duì)電池充電分為三個(gè)階段： 預(yù)充（ Pre-charge ）、恒流（CC/Constant Current）、恒壓（CV/Constant Voltage）過程， 恒流充電電流通過外部分壓電阻決定，恒壓 充電電壓可通過外部電阻微調(diào)。 ASC6220 集成電池溫度檢測(cè)，過壓及 短路保護(hù)，確保充電芯片工作。 ASC6220 集成智能電池檢測(cè)功能及超時(shí)錯(cuò) 誤恢復(fù)功能，方便用戶使用。

大電流充電IC
型號(hào)：ASC6220鋰電池1~10串充電管理IC
應(yīng)用領(lǐng)域：
?移動(dòng)電源系統(tǒng) 
?電池和電容器充電 
?USB 電源傳輸 
?工業(yè)應(yīng)用 
?汽車系統(tǒng)
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