矽力杰产品规格书SY6924.pdf

Application Note:AN_SY6924 High Efficiency, 2.5A, Multi-Cell Li-Ion Battery Charger Advanced Design Specification General Description Features SY6924 is a 4-14V input, 2.5A Multi-cell Li-Ion Integrated Synchronous Buck and Reverse battery step-down charger. The charge current up to Blocking FET with 16V Rating 2.5A can be programmed by using the external resistor Adaptive Input Power Limit for 4-14V Wide for different portable applications. It also has a Input Voltage programmable charge timeout and adaptive input Maximum 2.5A Programmable Charge Current power limit for safety battery charge operation. It 4.2V and 4.35V Constant Voltage Selectable consists of 16V rating reverse blocking FET and power +/-0.5% Cell Voltage Accuracy switching FETs with extremely low ON resistance to Support Single-cell or Two-cell Battery Pack achieve high charge efficiency and simple peripheral External Shutdown Function circuit design. Input Voltage UVLO and OVP Thermal Fold-back Protection SY6924 along with small QFN3x3 footprint provides Over Temperature Protection small PCB area application. Battery Short Protection Programmable Charge Timeout Ordering Information Charge Status Indicat