SGM41522A数据手册SGMICRO中文资料规格书

描述 Description

The SGM41522, SGM41522A and SGM41522B are compact switch standalone battery chargers for single-cell Li-Ion or Li-polymer battery. They are featured with resistor programmable maximum charge current, ordering selections of preset end of charge current and pre-charge current and floating time out. The SGM41522, SGM41522A and SGM41522B also have other safety features, such as over-voltage and over-current protections, fold-back retaining, input under-voltage lockout, battery temperature monitoring and thermal shutdown. These features ensure safe and reliable operation, ease of design and a comfortable user experience. 
The SGM41522, SGM41522A and SGM41522B are available in a Green TDFN-2×3-8BL package. They operate over an ambient temperature range of -40℃ to +85℃.

特性 Features

• Maximum 2.5A Charging for 4.1V to 4.45V Battery
• 1.33MHz Switch Frequency
• Up to 95.4% Charge Efficiency
• 92.8% Charge Efficiency at 1.5A from 5V Input
• 90.1% Charge Efficiency at 1.5A from 9V Input
• Charging Voltage and Current Programmable
• CC/CV Interface for Charge Current and Battery Voltage Settings
• 4.2V Input Voltage Regulation
• 4.2V to 12V Operating Input Voltage Range
• Up to 18V Sustainable Voltage
• 13.5V Over-Voltage Protection with 100ns Turn-Off Timer
• Output Voltage Fold-Back Retaining
• JEITA Guideline Compliance
• T2 Threshold 10℃ (SGM41522/SGM41522B)
• T2 Threshold 15℃ (SGM41522A)
• Charge Prohibited when > T3 (SGM41522B)

应用 Application

Portable Audio Speaker
Mobile Phone
Wearables
EPOS