The CN3170 from Consonance Elec is a complete constant-current / constant voltage linear charger for single cell lithium ion and lithium polymer batteries, ideally suited for solar powered systems. A notable feature is the JEITA compliant battery temperature monitoring.
Features / Specs
- Part No: CN3170
- Manufacturer: Consonance Elec
- Input Supply Voltage Range: 4.4 – 6.0VDC
- Operating Current (Typical): 500µA @ Charge Termination Mode
- Continuous Charge Current: Up to 950mA
- Charge/Regulation Voltage: 4.2VDC (1% Accuracy; Upwards adjustable)
- Battery Compatibility: Lithium Ion / Lithium Polymer (Single Cell – 1S)
- Suitable for solar powered systems
- On-chip power MOSFET / No external blocking diode or current sense resistors required
- Regulation voltage can be adjusted to 4.35V or 4.4V for ternary lithium battery systems
- Precharge conditioning for reviving deeply discharged cells and minimizing heat dissipation during initial stage of charge
- Constant-current/constant-voltage operation with thermal regulation to maximize charge rate without risk of overheating
- Automatic low power sleep mode when input supply voltage is removed
- Status indication for LEDs or microprocessor interface
- C/10 charge termination / Automatic recharge / Battery temperature sensing
- JEITA compliant battery temperature monitoring
- Pb-free, RoHS compliant and Halogen free
- Package: eSOP (Small Outline Package)
- No Pins: 8
- Operating Temperature: -40°C to +85°C