同步升压双节锂电池充电芯片ZCC6982

四维电子

特性 ■ 3.0V to 5.5V Operating Input Voltage . Z# r- I/ G/ X5 Q( U" B■ Up to 26V Sustainable Voltage 6 T: S% K5 G9 y■ Up to 2A Configurable Charge Current for Battery " d" X5 l8 d# a- `. n( q* j5 X, {with 2 Cells in Series 6 J% i5 W  P- D' ?2 X! N■ Configurable Input Voltage Limit 6 B3 C6 i4 d, V6 J■ Charge Status Indication ■ Constant Voltage Selectable + u, h+ _4 O4 v8 z■ Programmable Charge Timeout , F3 U4 B6 q" |■ Thermal Regulation Protection ■ External Shutdown Function ■ Input Voltage UVLO and OVP + b& T6 o# L: @, I/ w■ Over Temperature Protection ■ Output Short Cir cuit Protec tion Normal Synchronous Boost Operation When Battery Removed 6 l( l2 k4 @2 d7 _9 d应用 ' u7 g  A7 q, B; W4 U0 V■ Power Bank ■ Cellular Telephones,MP3Players,MP4 Players ■ PSP Game Players,NDS game Players ■ Notebook   Z9 j1 Q0 v8 e( C6 e* \描述 : V: _8 ~8 s- F4 w' T# rZCC6982 is a highly integrated synchronous boost - }! ]3 c; U/ [: H8 B$ Z9 Wcharger IC for Lithium-ion batteries with four cells in series . The charge current up to 2A can be 8 u+ T+ @3 J7 T' [7 d2 Sprogrammed by using the external resistor for different portable applications. 4 X6 n1 o, R' k6 T# a8 fRobust protections include input over-voltage 4 r  I& }$ a: D9 Pprotection (OVP), battery OVP, battery short protection, 2 R7 b( S- ?0 ]& H# y' O- P* X$ ~, Ethermal shut down, battery temperature monitor, a 7 n& u. [+ M- \# d  \; r- bconfigurable timer to prevent prolonged charging of a - I. {5 h6 N; e* x  M. p- F. o3 h3 Adead battery.

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