CN3163 single-cell lithium-ion battery charger IC SOP8

Description

Here are the specifications for the CN3163, which is a single-cell lithium-ion battery charger IC:

Specifications:

• Input Voltage Range: 4.4V to 6V
• Battery Voltage: 4.2V (fixed)
• Charging Current: Programmable up to 1A
• Charging Termination Current: 10% of the programmed charging current
• Input Current Limit: Programmable via external resistor
• Charging Algorithm: CC/CV (Constant Current/Constant Voltage)
• Precision: ±1% battery regulation voltage
• Efficiency: High efficiency due to integrated pass element
• Operating Temperature Range: -40°C to +85°C
• Package: SOP-8 (Exposed Pad)
• Protection Features:
  • Overvoltage protection
  • Overcurrent protection
  • Thermal regulation
  • Battery temperature monitoring
  • Reverse polarity protection

Features:

• Standalone Linear Charger: No need for external MOSFET, sense resistor, or blocking diode.
• Charge Status Indication: Open-drain charge status output for charging and charge termination.
• Automatic Recharge: Restarts the charge cycle if the battery voltage drops below a certain threshold.
• Thermal Regulation: Automatically adjusts the charge current to maintain a constant die temperature.
• Battery Temperature Monitoring: NTC thermistor interface to monitor battery temperature.
• Low Power Consumption: Less than 25µA supply current in standby mode.

Applications:

• Portable Devices: Mobile phones, PDAs, MP3 players, handheld devices.
• Backup Battery Chargers: For systems with standby power requirements.
• USB-Powered Devices: Suitable for devices charged via USB ports.
• Charging Docks and Cradles: For various consumer electronics.

The CN3163 provides a highly integrated solution for charging single-cell lithium-ion batteries with minimal external components, making it an ideal choice for compact and efficient battery charging applications.