Controller IC Chip - MOFSET BQ24747RHDR BQ24747 24747  chip for laptop - Ολοκληρωμένο τσιπ φορητού υπολογιστή (Κωδ.1-CHIP0343) SMBus-Controlled Level 2 Multi-Chemistry Battery Charger With Input Current Detect Comparator and Charge Enable Pin The bq24747 is a high-efficiency, synchronous battery charger with an integrated input-current comparator, offering low component count for space-constrained, multi-chemistry battery-charging applications. The input-current, charge-current, and charge-voltage DACs allow very high regulation accuracies that can be easily programmed by the system power-management microcontroller using the SMBus interface The bq24747 charges two, three, or four series Li+ cells, and is available in a 28-pin, 5x5 mm2 QFN package.  NMOS-NMOS Synchronous Buck Converter with 300-kHz Frequency and >95% Efficiency 30-ns Minimum Driver Dead-Time and 99.5% Maximum Effective Duty Cycle High-Accuracy Voltage and Current Regulation - ±0.5% Charge Voltage Accuracy - ±3% Charge C

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