SGM41566A/SGM41566B数据手册SGMICRO中文资料规格书

描述 Description

The SGM41566A and SGM41566B are 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 SGM41566A and SGM41566B are available in a Green TDFN-2×2-8AL package. It operates in -40℃ to +125℃ junction temperature.

特性 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
• 650ms Power Recycle Certification
• Exhausted Battery Charging Inhibition
• Pre-Charging Power-Up at Normal Voltage
• Available in a Green TDFN-2×2-8AL Package

应用 Application

• Low Capacity Rechargeable Battery Powered Applications