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BQ25970

BQ25970, BQ25971 I2C Controlled Single Cell High Efficiency 8-A Switched Cap Fast Chargers With ADC

1Features 1?97%Efficientpowerstagefor8-Afastcharge ?Patentpendingswitchedcapchargerarchitecture optimizedfor50%dutycycle –Inputvoltageis2xbatteryvoltage(3.5Vto 4.65V) –Outputcurrentis2xofinputcurrent(upto 4.5A) –Reducespowerlossacrossthe

BQ25970

用于并聯(lián)充電應(yīng)用并支持外部過壓保護(hù)的 I2C 單節(jié) 8A 開關(guān)電容器電池充電器

bq2597x 是使用開關(guān)電容器架構(gòu)且效率達(dá) 97% 的高效 8A 電池充電解決方案。該架構(gòu)和集成式 FET 經(jīng)過優(yōu)化，可實(shí)現(xiàn) 50% 占空比，這就允許電纜電流為向電池提供的電流的一半，從而降低充電電纜上的損耗并限制應(yīng)用中的溫度升高。 \n\n兩相架構(gòu)可降低輸入電容器要求并減少輸出電壓紋波。當(dāng)與 bq2589x 等標(biāo)準(zhǔn)充電器配合使用時(shí)，該系統(tǒng)能夠通過預(yù)充電（通過 CC、CV 和終端進(jìn)行）以最低的功耗實(shí)現(xiàn)最快的充電速度。\n\n該器件集成了所有必要的保護(hù) 功能， 以確保進(jìn)行安全充電，其中包括輸入過壓和過流保護(hù)、輸出過壓和過流保護(hù)、電池和電纜溫度感應(yīng)以及裸片溫度監(jiān)控。\n\n該器件; ? 97% 功率級(jí)效率可實(shí)現(xiàn) 8A 快速充電\n? 對(duì)開關(guān)電容器架構(gòu)進(jìn)行優(yōu)化，可實(shí)現(xiàn) 50% 的占空比 \n? 輸入電壓為電池電壓的 2 倍（3.5V 至 4.65V） \n? 輸出電流為輸入電流的 2 倍（高達(dá) 4.5A）\n? 降低了電纜的功率損耗 \n \n? 用于實(shí)現(xiàn)安全運(yùn)行的 集成式可編程保護(hù) 功能 \n? 輸入過壓保護(hù) (BUS_OVP)\n? 具有可調(diào)警報(bào)的輸入過流保護(hù) (BUS_OCP)\n? 具有外部 OVP FET（VAC_OVP 高達(dá) 17V，僅限 bq25970）的輸入過壓保護(hù)\n? 具有可調(diào)警報(bào)的電池過壓保護(hù) (BAT_OVP)\n? 輸出過壓保護(hù) ;

BQ25970

BQ25960 I2C Controlled, Single Cell 8-A Switched Cap Parallel Battery Charger with Integrated Bypass Mode and Dual-Input Selector

BQ25970

BQ25968 I2C Controlled Single Cell High Efficiency 6-A Switched Cap Fast Charger With ADC

BQ25970

I2C Controlled Single Cell High Efficiency 8-A Switched Cap Fast Chargers With ADC

BQ25970YFFR

絲?。?strong>BQ25970；Package：DSBGA；BQ25970, BQ25971 I2C Controlled Single Cell High Efficiency 8-A Switched Cap Fast Chargers With ADC

1Features 1?97%Efficientpowerstagefor8-Afastcharge ?Patentpendingswitchedcapchargerarchitecture optimizedfor50%dutycycle –Inputvoltageis2xbatteryvoltage(3.5Vto 4.65V) –Outputcurrentis2xofinputcurrent(upto 4.5A) –Reducespowerlossacrossthe

BQ25970YFFR.A

絲印：BQ25970；Package：DSBGA；BQ25970, BQ25971 I2C Controlled Single Cell High Efficiency 8-A Switched Cap Fast Chargers With ADC

1Features 1?97%Efficientpowerstagefor8-Afastcharge ?Patentpendingswitchedcapchargerarchitecture optimizedfor50%dutycycle –Inputvoltageis2xbatteryvoltage(3.5Vto 4.65V) –Outputcurrentis2xofinputcurrent(upto 4.5A) –Reducespowerlossacrossthe

BQ25970YFFT

絲印：BQ25970；Package：DSBGA；BQ25970, BQ25971 I2C Controlled Single Cell High Efficiency 8-A Switched Cap Fast Chargers With ADC

1Features 1?97%Efficientpowerstagefor8-Afastcharge ?Patentpendingswitchedcapchargerarchitecture optimizedfor50%dutycycle –Inputvoltageis2xbatteryvoltage(3.5Vto 4.65V) –Outputcurrentis2xofinputcurrent(upto 4.5A) –Reducespowerlossacrossthe

BQ25970YFFT.A

絲印：BQ25970；Package：DSBGA；BQ25970, BQ25971 I2C Controlled Single Cell High Efficiency 8-A Switched Cap Fast Chargers With ADC

1Features 1?97%Efficientpowerstagefor8-Afastcharge ?Patentpendingswitchedcapchargerarchitecture optimizedfor50%dutycycle –Inputvoltageis2xbatteryvoltage(3.5Vto 4.65V) –Outputcurrentis2xofinputcurrent(upto 4.5A) –Reducespowerlossacrossthe

BQ25970YFFR

絲?。?strong>BQ25970；Package：DSBGA；I2C Controlled Single Cell High Efficiency 8-A Switched Cap Fast Chargers With ADC