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BQ24747,pdf(SMBus-Controlled L

消耗积分:5 | 格式:rar | 大小:1638 | 2010-11-05

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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.

The bq24747 features Dynamic Power Management (DPM) and input power limiting. These features reduce battery-charge current when the input power limit is reached to avoid overloading the AC adaptor when supplying the load and the battery charger simultaneously.

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