2~4节锂电池同步升压充电芯片zcc5518

High Efficiency, 1A, Four-Cell Boost Li-Ion Battery Charger Preliminary Specification

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 Voltag

·Up to 1A Configurable Charge Current or 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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