5V输入（USB输入）同步升压给2节3节4节充电芯片-ZCC5518
1. General DescriptionZCC5518 is a highly integrated synchronous
boost charger IC for Lithium-ion batteries
with four cells in series. The charge
current up to 1A can be programmed by using
the external resistor for different
portable applications.
Robust protections include input over
voltage protection (OVP), battery OVP,
battery short protection, thermal shut
down, battery temperature monitor, a
configurable timer to prevent prolonged
charging of a dead battery.
2. Features
3.0V to 5.5V Operating Input Voltage
Up to 26V Sustainable Voltage
Up to 1A Configurable Charge Current
for Battery with 4 Cells in Series
Configurable Input Voltage Limit
Charge Status Indication
Constant Voltage Selectable
Programmable Charge Timeout
Thermal Regulation Protection
External Shutdown Function
Input Voltage UVLO and OVP
Over Temperature Protection
Output Short Circuit Protection Normal
Synchronous Boost Operation When
Battery Removed
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