同步升压双节锂电池充电芯片ZCC6982

四维电子

特性 # g/ A  x4 `: S# }5 y7 b■ 3.0V to 5.5V Operating Input Voltage ■ Up to 26V Sustainable Voltage 9 K# m) Q4 ^, i4 F■ Up to 2A Configurable Charge Current for Battery ! @3 \1 C& E8 ?4 Pwith 2 Cells in Series # _, i/ o: u# ?# P: w) G$ b8 {$ X■ Configurable Input Voltage Limit ■ Charge Status Indication + w/ {% P5 Q. T4 y( l# r0 T■ Constant Voltage Selectable ■ Programmable Charge Timeout ■ Thermal Regulation Protection ■ External Shutdown Function ) z+ R6 d2 D2 b■ Input Voltage UVLO and OVP   r- S9 p0 k- e* k( z8 k$ E" n3 j■ Over Temperature Protection ■ Output Short Cir cuit Protec tion Normal ' e8 {$ s# ?# j  T& m( |/ m; {Synchronous Boost Operation When Battery Removed # W. l' s2 d' f/ z& r! _+ h应用 ■ Power Bank ■ Cellular Telephones,MP3Players,MP4 Players 3 P9 A) ]/ ]% f" r) V( `5 Y! p6 @■ PSP Game Players,NDS game Players 5 \2 r. K+ `/ X■ Notebook 描述 9 T% I, k) E" \ZCC6982 is a highly integrated synchronous boost charger IC for Lithium-ion batteries with four cells in ' T7 K$ M+ B, ~  qseries . The charge current up to 2A can be programmed by using the external resistor for different ( _. ~2 u  t) [' ~0 ~portable applications. Robust protections include input over-voltage 4 n& J$ E9 U/ f  ~protection (OVP), battery OVP, battery short protection, thermal shut down, battery temperature monitor, a 6 l0 j5 M( t. s4 X; `3 j. wconfigurable timer to prevent prolonged charging of a , |5 x' q0 e& v+ C2 t. d2 [3 mdead battery. - y9 J5 u! v$ L. B% E6 m

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