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SGM41522A

The SGM41522, SGM41522A and SGM41522B are compact switch standalone battery chargers for single-cell Li-Ion or Li-polymer battery.

应用领域

Compact Switch, 2.5A Standalone Single-Cell Battery Charger with Safe and Reliable Charging

产品详情
GENERAL 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.

PIN CONFIGURATIONS

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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 15

  • -40 to +85 Operating Temperature Range

  • Available in a Green TDFN-2×3-8BL Package

APPLICATIONS

Portable Audio Speaker

Mobile Phone

Wearables

EPOS


ORDERING INFORMATION
Part NumberStatusPackagePinsPb-FreeTemp Range
SGM41522AYTDC8G/TRProductionTDFN-2×3-8BL8Y-40℃ to +85℃