GENERAL DEscriptION

The SGM41566 is designed for charging low capacity battery cell with factory-programmable current programmable in the range of 50mA to 750mA from loosen regulated power source. The device features low drop-out constant-current constant-voltage charging, weak battery pre-charging, voltage fold-back safe retaining, floating charging protection and system start-up pre-charge, with NTC sensing protection.

The SGM41566 is available in a Green TDFN-2×2-8AL package. It operates in -40℃ to +125℃ junction temperature.

FEATURES

• Loosen Regulated Power Input

• Battery Voltages Option: 25mV Raster in 3.5V to 4.8V Range

• Charging Current Option: 50mA Raster in 50mA to 750mA Range

• 5% to 25% Residual End-of-Charge Option

• Weak Battery Pre-Charge Option

• Voltage Fold-Back Safe Power Retaining

• NTC Temperature Sensing for Protection

• Floating Charging Protection

• Start-Up Charging for 12.5ms

• 650ms Power Recycle Certification

• Full Charging Power-Up at Low Voltage

• Pre-Charging Power-Up at Normal Voltage

• Available in a Green TDFN-2×2-8AL Package

APPLICATIONS

Low Capacity Rechargeable Battery Powered Applications