Controller IC Chip - ISL6258A ISL6258 F945NX F827SJ F927NP LD TQFN-28  chip for laptop - Ολοκληρωμένο τσιπ φορητού υπολογιστή  (Κωδ.1-CHIP0117) The ISL6258, ISL6258A are a highly integrated Narrow VDC system voltage regulator and battery charger controller. Operating parameters are programmable over the System Management Bus (SMBus).  The ISL6258, ISL6258A are designed for applications where the system power source is either the battery pack or the output of the regulator/charger. This makes the max voltage to the system equal to the max battery voltage instead of the max adapter voltage. The ISL6258, ISL6258A also include a system to control trickle charging deeply discharged batteries while maintaining system voltage at a user defined minimum. High efficiency is achieved with a DC/DC synchronous-rectifier buck converter, equipped with diode emulation for enhanced light load efficiency and AC adapter boosting prevention. The ISL6258, ISL6258A can charge two to four series connected Li

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