Customization: | Available |
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Conductive Type: | Unipolar Integrated Circuit |
Integration: | ULSI |
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BQ24090DGQR: Battery Charger Li-Ion/Li-Pol 1000mA 4.2V 10-Pin MSOP EP T/R
Package: MSOP-10
Mfr. Part#: BQ24090DGQR
Mfr.: TI
Datasheet: (e-mail or chat us for PDF file)
ROHS Status:
Quality: 100% Original
Warranty: 180 days
Product Status
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Active
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Battery Chemistry
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Lithium Ion/Polymer
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Number of Cells
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1
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Current - Charging
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Constant - Programmable
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Programmable Features
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Current
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Fault Protection
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Over Temperature, Over Voltage, Short Circuit
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Charge Current - Max
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1A
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Battery Pack Voltage
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4.2V
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Voltage - Supply (Max)
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6.45V
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Interface
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USB
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Operating Temperature
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0°C ~ 125°C (TJ)
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Mounting Type
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Surface Mount
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Package / Case
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10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
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Supplier Device Package
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10-HVSSOP
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Base Product Number
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BQ24090
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The bq2409x series of devices are highly integrated Li-ion and Li-Pol linear chargers devices targeted at space-limited portable applications. The devices operate from either a USB port or AC adapter. The high input voltage range with input overvoltage protection supports low-cost unregulated adapters.
The bq2409x has a single power output that charges the battery. A system load can be placed in parallel with the battery as long as the average system load does not keep the battery from charging fully during the 10-hour safety timer.
The battery is charged in three phases: conditioning, constant current and constant voltage. In all charge phases, an internal control loop monitors the IC junction temperature and reduces the charge current if an internal temperature threshold is exceeded.
The charger power stage and charge current sense functions are fully integrated. The charger function has high accuracy current and voltage regulation loops, charge status display, and charge termination. The pre-charge current and termination current threshold are programmed via an external resistor. The fast charge current value is also programmable via an external resistor.
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