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5V输入(USB输入)同步升压给2节3节4节充电芯片-ZCC5518

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SWdianzi|  楼主 | 2021-7-19 14:16 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
1. General Description
ZCC5518 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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