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Description
BQ 24740 QFN-28Brand new BQ24740 QFN 28 The bq24745 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 bq24745 charges
Brand new BQ24740 QFN-28
The bq24745 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 bq24745 charges two, three, or four series Li+ cells, and is available in a 28-pin, 5-mm × 5 mm QFN package.
Features:
- NMOS-NMOS Synchronous Buck Converter with 300-kHz Frequency and >95% Efficiency
- 30-ns Minimum Driver Dead-Time and 99.5% Maximum Effective Duty Cycle
- Up to 19.2-V Battery Voltage
- 7-V–24-V AC/DC-Adapter Operating Range
- Simplified SMBus Control Interface
- Status and Monitoring Outputs
- Charge Any Battery Chemistry: Li+, NiCd, NiMH, Lead Acid, Etc.
- Charge Enable Pin
Datasheet:
http://www.ti.com/lit/ds/symlink/bq24745.pdf
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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