锂电池充电管理芯片

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SGM41523

The SGM41523/SGM41523A/SGM41523B/SGM41523C/SGM41523D 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 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.

PIN CONFIGURATIONS

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FEATURES
  • 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

APPLICATIONS

Portable Audio Speaker

Mobile Phone

Wearables

EPOS


ORDERING INFORMATION
Part NumberStatusPackagePinsPb-FreeTemp Range
SGM41523YTDF12G/TRProductionTDFN-3×3-12L12Y-40℃ to +85℃
SGM41523AYTDF12G/TRProductionTDFN-3×3-12L12Y-40℃ to +125℃
SGM41523BYTDF12G/TRProductionTDFN-3×3-12L12Y-40℃ to +85℃
SGM41523CYTDF12G/TRProductionTDFN-3×3-12L12Y-40℃ to +85℃