三节串联升压充电芯片-ZCC6983

四维电子

特性
■ 3.0V to 9V Operating Input Voltage
■ Up to 26V Sustainable Voltage
■ Up to 1A Configurable Charge Current for Battery
with 3 Cells in Series
■ Configurable Input Voltage Limit
■ Charge Status Indication
4 {" d9 _1 \$ \+ p- G- B* p- e- \) E( N■ Constant Voltage Selectable
■ Programmable Charge Timeout
7 E8 l4 n* z/ p* \■ Thermal Regulation Protection
■ External Shutdown Function
■ Input Voltage UVLO and OVP
+ {+ H; M8 m1 y■ Over Temperature Protection
■ Output Short Cir cuit Protec tion Normal
7 }6 a8 e; l5 Z& p+ H2 dSynchronous Boost Operation When Battery
3 E, C4 b& h" `3 wRemoved
应用
% v( c- ?  U& G* e, L$ \5 T- E: I; f■ Power Bank
. _% J" ~* r/ v( N/ w■ Cellular Telephones,MP3Players,MP4 Players
1 j# {' X) f* L4 ^& K■ PSP Game Players,NDS game Players
. ^/ L, F" K1 c2 e8 c9 C/ k9 H■ Notebook
描述
ZCC6983 is a highly integrated synchronous boost
' H, i, J* c1 ?charger IC for Lithium-ion batteries with four cells in
series . The charge current up to 2A can be
- x, E2 F: C& ]. P7 k$ wprogrammed by using the external resistor for different
portable applications.
" j# O; ?/ n, xRobust protections include input over-voltage
protection (OVP), battery OVP, battery short protection,
9 ~) J5 P0 x- y; nthermal shut down, battery temperature monitor, a
9 Y! h2 |' c( ~/ ?5 u% x1 P( sconfigurable timer to prevent prolonged charging of a
dead battery.
& i3 Y' _, Q( T  _; L- _