SGM41523
Compact Switch, 2.5A Standalone Single-Cell Battery Charger with Safe and Reliable Charging
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℃.
Maximum 2.5A Charging for 4.1V to 4.45V Battery
1.33MHz Switch Frequency
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
Portable Audio Speaker
Mobile Phone
Wearables
EPOS
