One Cell Li-ion/Li-polymer Linear Charger IC with Battery Temperature Detection
The XC6803 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. The IC is housed in the small USP-6EL package with high heat dissipation, and a charge circuit can be configured using a minimum of external components.
|Operating Voltage Range
|CC Charge Curren
|40mA～ 280mA Can be set by external resistance
|CV Charge Voltage
|4.2V, 4.05V (at high temperature) Internally fixed
|Thermistor detection function
Safety timer function
UVLO (Under Voltage Lock Out)
Dropout voltage monitor function
Charging over-voltage monitor function
Charging over-current monitor function
Recharge function (XC6803xxE)
|Operating Ambient Temperature
Typical Application Circuit
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