This is a linear battery charger IC designed for single-cell Li-ion and Li-Polymer batteries, integrating a power MOSFET and control circuitry in a compact package.
Part Number: CN3065
Function: Lithium Ion Battery Charger
Package: DFN-8 Package
Manufacturer: Consonance-elec ( http://www.consonance-elec.com/ )
Image
Description
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.
Features
- Integrated constant-current and constant-voltage charging control
- On-chip 8-bit ADC for automatic charge current adjustment
- Optimized for solar-powered input sources
- Built-in power MOSFET eliminates need for external pass element
- No external blocking diode or current sense resistor required
- Automatic adaptation to input power capability
- Compact design with minimal external components
CN3065 pinout

How to Choose This Part
- Select for single-cell Li-ion or Li-Polymer battery charging applications
- Ideal when input power is variable such as solar panels
- Suitable for compact designs requiring minimal external components
- Consider thermal limits due to linear charging method
- Evaluate charge current requirements versus system constraints
Applications
- Solar powered systems
- Portable battery-operated devices
- Energy harvesting systems
- IoT sensor nodes with battery backup
- Standalone Li-ion battery chargers
Alternative / Equivalent Products
- TP4056 linear Li-ion battery charger IC
- MCP73831 compact Li-ion charge management controller
- CN3058 solar Li-ion charger IC
- BQ24074 battery charger with power path management
- LTC4054 standalone linear charger

