产品详情

LPSemi微源 LP4080H TWS耳机线性充电器

Features

◆ Input over-voltage protected up to 8-V

◆ 0.6-µA standby current from the battery

◆ Programmable charge current up to 300mA

◆ Ideal diode mode for high efficiency and low heat

◆ 7.5-mA fixed trickle charge

◆ 9-mA fixed termination current

◆ Programmable 4.0-V/4.2-V/4.35-V/4.4-V constant voltage options

◆ Automatic battery recharge control

◆ CHGb output for charging status indication

◆ ENb control to disable the charger

◆ RESET signal to prevent the bluetooth system on chip (SoC) firmware failure

◆ PWRON signal to automatically power on the earphone SoC once leaving the charging case

◆ Private one-wire bus to send instructions from the charging case to the linear charger for control

◆ Programmable general purpose output signal

◆ I2C interface with interrupt indication

◆ 4-uA ultra-low quiescent current

◆ 2mm X 2mm DFN-8 package

◆ RoHS Compliant and 100% Lead (Pb) free

Applications

◆ TWS earphones

◆ Wireless microphone

◆ Smart Glasses