GENERAL DESCRIPTION
The SGM41523/SGM41523A/SGM41523B/SGM41523C/ SGM41523D 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 SGM41523/SGM41523A/ SGM41523B/SGM41523C/SGM41523D 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 SGM41523/SGM41523A/SGM41523B/SGM41523C/ SGM41523D are available in a Green TDFN-3×3-12L package. They operate over an ambient temperature range of -40℃ to +85℃.

APPLICATIONS
Portable Audio Speaker
Mobile Phone
Wearables
EPOS

FEATURES
● Maximum 2.5A Charging for 4.1V to 4.45V Battery
● 1.33MHz Switch Frequency
● Up to 95.7% Charge Efficiency
● 93% Charge Efficiency at 1.5A from 5V Input
● 91% 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
● Optional High or Low Charge Enable
 Active Low (SGM41523/SGM41523A/SGM41523D)
 Active High (SGM41523B/SGM41523C)
● JEITA Guideline Compliance
 T2 Threshold 10℃(SGM41523/SGM41523B/SGM41523D)
 T2 Threshold 15℃ (SGM41523A/SGM41523C)
 Charge Prohibited when > T3 (SGM41523D)
● -40℃ to +85℃ Operating Temperature Range
● Available in a Green TDFN-3×3-12L Package