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ISL6256A

Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

TheISL6256,ISL6256Aisahighlyintegratedbatterycharger controllerforLi-ion/Li-ionpolymerbatteries.HighEfficiencyis achievedbyasynchronousbucktopologyandtheuseofa MOSFET,insteadofadiode,forselectingpowerfromthe adapterorbattery.ThelowsideMOSFETemulatesad

ISL6256A

Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers; ? ±0.5% Charge Voltage Accuracy (-10°C to +100°C)\n? ±3% Accurate Input Current Limit\n? ±3% Accurate Battery Charge Current Limit\n? ±25% Accurate Battery Trickle Charge Current Limit\n? Programmable Charge Current Limit, Adapter Current Limit and Charge Voltage\n? Fixed 300kHz PWM Synchronous Buck Controller with Diode Emulation at Light Load\n? Overvoltage Protection\n? Output for Current Drawn from AC Adapter\n? AC Adapter Present Indicator\n? Fast Input Current Limit Response\n? Input Voltage Range 7V to 25V\n? Support 2-, 3- and 4-Cells Battery Pack\n? Up to 17.64V Battery-Voltage Set Point\n? Control Adapter Power Source Select MOSFET\n? Thermal Shutdown\n? Aircraft Power Capable\n? DC Adapter Present Indicator\n? Battery Discharge MOSFET Control\n? Less than 10μA Battery Leakage Current\n? Supports Pulse Charging\n? Pb-free (RoHS Compliant)\n;

The ISL6256, ISL6256A is a highly integrated battery charger controller for Li-ion/Li-ion polymer batteries. High Efficiency is achieved by a synchronous buck topology and the use of a MOSFET, instead of a diode, for selecting power from the adapter or battery. The low side MOSFET emulates a diode at light loads to improve the light load efficiency and prevent system bus boosting. The constant output voltage can be selected for 2, 3 and 4 series Li-ion cells with 0. 5% accuracy over-temperature. It can also be programmed between 4. 2V + 5%/cell and 4. 2V - 5%/cell to optimize battery capacity. When supplying the load and battery charger simultaneously, the input current limit for the AC adapter is programmable to within 3% accuracy to avoid overloading the AC adapter, and to allow the system to make efficient use of available adapter power for charging. It also has a wide range of programmable charging current. The ISL6256, ISL6256A provides outputs that are used to monitor the current drawn from the AC adapter, and monitor for the presence of an AC adapter. The ISL6256, ISL6256A automatically transitions from regulating current mode to regulating voltage mode. ISL6256, ISL6256A has a feature for automatic power source selection by switching to the battery when the AC adapter is removed or switching to the AC adapter when the AC adapter is available. It also provides a DC adapter monitor to support aircraft power applications with the option of no battery charging.

ISL6256AHAZ

Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

HighlyIntegratedBatteryChargerwithAutomaticPowerSourceSelectorforNotebookComputers TheISL6256,ISL6256AisahighlyintegratedbatterychargercontrollerforLi-Ion/Li-Ionpolymerbatteries.HighEfficiencyisachievedbyasynchronousbucktopologyandtheuseofaMOSFET,insteadof

ISL6256AHAZ

絲?。?a target="_blank" title="Marking" href="/isl6256ahaz/marking.html">ISL6256AHAZ；Package：28LdQSOP；Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

HighlyIntegratedBatteryChargerwithAutomaticPowerSourceSelectorforNotebookComputers TheISL6256,ISL6256AisahighlyintegratedbatterychargercontrollerforLi-ion/Li-ionpolymerbatteries.HighEfficiencyisachievedbyasynchronousbucktopologyandtheuseofaMOSFET,insteadof

ISL6256AHAZ

Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

TheISL6256,ISL6256Aisahighlyintegratedbatterycharger controllerforLi-ion/Li-ionpolymerbatteries.HighEfficiencyis achievedbyasynchronousbucktopologyandtheuseofa MOSFET,insteadofadiode,forselectingpowerfromthe adapterorbattery.ThelowsideMOSFETemulatesad

ISL6256AHRZ

Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

HighlyIntegratedBatteryChargerwithAutomaticPowerSourceSelectorforNotebookComputers TheISL6256,ISL6256AisahighlyintegratedbatterychargercontrollerforLi-Ion/Li-Ionpolymerbatteries.HighEfficiencyisachievedbyasynchronousbucktopologyandtheuseofaMOSFET,insteadof

ISL6256AHRZ

Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

TheISL6256,ISL6256Aisahighlyintegratedbatterycharger controllerforLi-ion/Li-ionpolymerbatteries.HighEfficiencyis achievedbyasynchronousbucktopologyandtheuseofa MOSFET,insteadofadiode,forselectingpowerfromthe adapterorbattery.ThelowsideMOSFETemulatesad

ISL6256AHRZ

絲印：ISL6256AHRZ；Package：28Ld5x5QFN；Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

HighlyIntegratedBatteryChargerwithAutomaticPowerSourceSelectorforNotebookComputers TheISL6256,ISL6256AisahighlyintegratedbatterychargercontrollerforLi-ion/Li-ionpolymerbatteries.HighEfficiencyisachievedbyasynchronousbucktopologyandtheuseofaMOSFET,insteadof

ISL6256AEVAL2Z

包裝：散裝 功能：電池充電器 類別：開發(fā)板，套件，編程器 評估和演示板及套件 描述：EVALUATION BOARD FOR ISL6256A

Renesas Electronics America Inc

ISL6256AHAZ

Package：28-SSOP（0.154"，3.90mm 寬）；包裝：卷帶（TR） 類別：集成電路（IC） 電池充電器 描述：IC BATT CHG LI-ION 2-4CEL 28QSOP

Renesas Electronics America Inc