BQ24780SRUYT

BQ24780SRUYT概述

TEXAS INSTRUMENTS  BQ24780SRUYT  芯片, 电池充电器, 锂离子/聚合物, WQFN-28

The bq24780S device is a high-efficiency, synchronous battery charger, offering low component count for space-constrained, multi-chemistry battery charging applications.

The bq24780S device supports hybrid power boost mode previously called "turbo boost mode". It allows battery discharge energy to system when system power demand is temporarily higher than adapter maximum power level. Therefore, adapter does not crash.

The bq24780S device uses two charge pumps to separately drive N-channel MOSFETs ACFET, RBFET, and BATFET for automatic system power source selection.

Through SMBus, system power management microcontroller programs input current, charge current, discharge current, and charge voltage DACs with high regulation accuracies.

The bq24780S device monitors adapter current IADP, battery discharge current IDCHG, and system power PMON for host to throttle back CPU speed or reduce system power when needed.

The bq24780S device charges 1-, 2-, 3-, or 4-series Li+ cells.

BQ24780SRUYT数据文档
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