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XC6805 - One Cell Li-ion/Li-polymer Linear Charger

Description

The XC6805 is a Constant-Voltage (CV) and Constant-Current (CC) type charging IC for linear charging of single-cell Li-ion batteries and Li-polymer batteries.

The basic charging cycle consists of trickle charge mode followed by main charge mode.

Features

  • JEITA conforming Thermistor Detect Function Built-in Operating Voltage Range : 4.5V ~ 6V Supply Current : 100μA (VIN=5V, VBAT=3.5V) CC Charge Current : 5mA ~ 40mA Can be set by external resistance CV Charge Voltage : 4.2V, 4.05V (at high temperature) Internally fixed Protection Circuit : Thermistor detection function (Except for the XC6805xN) Safety timer function UVLO (Under Voltage Lock Out) Thermal shutdown (Latch Stop) Dropout voltage monitor function Charging over-voltage.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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XC6805 Series ETR25007-003 One Cell Li-ion/Li-polymer Linear Charger IC with Battery Temperature Detection ■GENERAL DESCRIPTION The XC6805 is a Constant-Voltage (CV) and Constant-Current (CC) type charging IC for linear charging of single-cell Li-ion batteries and Li-polymer batteries. The basic charging cycle consists of trickle charge mode followed by main charge mode. This IC supports temperature control based on JEITA, making it possible to safely charge Li-ion batteries and Li-polymer batteries by controlling the CV charge voltage and CC charge current according to the temperature. By connecting a resistor to the charge status output pin, it is possible to check the charge condition via the charge status output (CSO) pin voltage.
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