This is one of the Battery Charger Module types.
Part Number : CN3065
Function : Lithium Ion Battery Charger
Package : DFN-8 Package
Manufacturers : Consonance-elec ( http://www.consonance-elec.com/ )
This post explains for the CN3065.
The CN3065 is a complete constant-current /constant voltage linear charger for single cell Li-ion and Li Polymer rechargeable batteries. The device contains an on-chip power MOSFET and eliminates the need for the external sense resistor and blocking diode. An on-chip 8-bit ADC can adjust charging current automatically based on the output capability of input power supply. Lithium Ion Battery Charger for Solar-Powered Systems.
1. On-chip 8-bit ADC can adjust charging current automatically based on the output capability of input power supply
2. Suitable for Solar-Powered System
3. On-chip Power MOSFET
4. No external Blocking Diode or Current Sense Resistors Required
1. Solar Powered System
2. Digital Still Cameras
3. MP3 Players
4. Bluetooth Applications
5. ortable Devices