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SY20761BQDC

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Application Note
High Efficiency, 2A Two-cell Boost Li-Ion Battery Charger
    Part NumberSY20761BQDC
    Max. Charge Current (A)2
    Fsw (MHz)1
    Series Cells1,2
    Cell Voltage4.1V,4.2V,4.25V,4.35V
    PackageQFN3x3-16
    • Low Profile QFN3×3 Package
    • Integrated Synchronous Boost with 18V Rating Low RDSON FETs for High Charge Efficiency
    • Trickle Current / Constant Current / Constant Voltage Charge Mode
    • Programmable Input Voltage Threshold for Adaptive Current Limit.
    • Maximum 2A Constant Charge Current
    • Charge Current Information Indication.
    • Programmable Charge Timeout
    • Programmable Constant Charge Current
    • Selectable Constant Voltage
    • ±0.5% Battery Voltage Accuracy
    • Thermal Foldback Protection
    • External Shutdown Function
    • Input Voltage UVLO and OVP
    • Over Temperature Protection
    • Output Short Circuit Protection
    • Charge Status Indication
    • Normal Synchronous Boost Operation When Battery is Removed


    Evaluation Board

    • 20761B

      Photo of evaluation board

    • 20761B-

      Photo of evaluation board

    • 20761B--

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    EVB_SY20761BQDC

    The EVB_SY20761BQDC is used to evaluate high efficiency, 2A 2-cell Boost Li-Ion battery charger SY20761BQDC.