GD30WS8855EU

Features

 Extreme low quiescent current, <5uA in sleep mode

 Charging features

   – Switching charging up to 1.2A maximum current programmable through ISET

   – Support variety of battery chemistries, 4.1/4.2/4.3/4.35/4.4V @0.5%

   – Full charge cycle: pre-charge, constant current and constant voltage

   – Charging current and pre-charging current are all programmable through I2C

 Boost converter

   – Support up to 600mA load current

   – High efficiency synchronous boost converter @95%

   – Output current limit programmable through I2C, 1.6A/1.8A/2.0A/2.2A

 Power path management

   – Power path management allows simultaneous battery charging and system supply, 

      system discharge priority

   – When the system load increases, the charging current is reduced dynamically 

      according to the input current and system voltage

   – USB current limit programmable through I2C, 95%/100%/105%/110% @ICCCH + 

      0.5A (Maximum current 3A)

   – Over voltage protection up to 6V, VSYS voltage regulation limit: 4.6/4.68/4.77/4.85V

 Protection features

   – Short Circuit Protection

   – Over/Under temperature protection

   – Input Over Voltage/Current Protection

   – Boost over voltage (OV) during charge @5.5V

   – Boost under voltage (UV) when charge/discharge @4.3V

 Additional features

   – 3.3V LDO support 50mA

   – Programmable LED driver

   – Low external component count

   – Simple I2C compatible interface

Applications

 TWS earbuds charging case

 Headsets and hearing aids

 Low battery applications such as smart watches and fitness accessories

 Patient monitors and portable medical equipment