2x Intersil ISL88731C HRTZ Battery Charger IC Chip


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Quantity: 2 Pieces

ISL88731C Datasheet

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SKU: 111669232116 Category:


SMBus Level 2 Battery Charger

    The ISL88731C is a highly integrated Lithium-ion battery  charger controller, programmable over the SMBus system  management bus (SMBus). The IS L88731C is intended to be  used in a smart battery charger (SBC) within a smart battery  system (SBS) that throttles the charge power such that the  current from the AC-adapter is automatically limited. High  efficiency is achieved with a  DC/DC synchronous-rectifier buck  converter, equipped with diode  emulation for enhanced light  load efficiency and system  bus boosting prevention. The  ISL88731C charges one to four Lithium-ion series cells, and  delivers up to 8A charge current. Integrated MOSFET drivers  and bootstrap diode result in fewer components and smaller  implementation area. Low offset current-sense amplifiers  provide high accuracy with 10m Ω  sense resistors. The  ISL88731C provides 0.5% end-of-charge battery voltage  accuracy. The ISL88731C provides a digita l output that indicates the  presence of the AC adapter as we ll as an analog output which  indicates the adapter current within 4% accuracy.

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