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I2C Controlled 6A Three-Level Switch Mode Single-Cell Charger


Package | PIN: DSBGA (YFF) | 36
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $4.45
10-24 $4.01
25-99 $3.73
100-249 $3.27
250-499 $3.07
500-749 $2.61
750-999 $2.20
1000+ $2.10


  • Parallel Charger Operation Provides Fast Charging in Dual Charger Configuration
  • High Efficiency 750-kHz Switch Mode Three-Level Buck Parallel Charger
    • Reduced Ripple to Support Low Profile Inductor
    • 95.4% Charge Efficiency at 1.5 A from 5-V Input
    • 93.3% Charge Efficiency at 3 A from 9-V Input
    • Superior Efficiency Compared to Traditional BuckConverter in Compact Form Factor
  • Single Input to Support USB Input and Adjustable High Voltage Adapters
    • Support 3.9-V to 14-V Input Voltage Range with 20-VAbsolute Maximum Input Voltage Rating
    • Input Current Limit (500 mA to 3.6 A with 100-mA resolution) to SupportUSB2.0 and USB 3.0 Standard and High Voltage Adaptors
    • Maximum Power Tracking by Input Voltage Limit (VINDPM) up to 14V
  • Flexible I2C Mode for Optimal System Performance
  • High Integration Includes all MOSFETs, Current Sensing and Loop Compensation
    • Lossless Charge Current Sensing without SenseResistor
  • < 10-µA Low Battery Leakage Current During Stand-By Mode
  • High Accuracy
    • ±0.4% Charge Voltage Regulation
    • ±10% Charge Current Regulation
    • ±7.5%Input Current Regulation
    • Remote Differential BatterySensing
  • Safety
    • Thermal Regulation and ThermalShutdown
    • Input UVLO and OvervoltageProtection
    • Battery OVP
    • Input Dynamic Power Management (DPM)
    • Charging Safety Timer
    • FlyingCapacitor Short Circuit Protection
    • Output Voltage ShortCircuit Protection
  • Available in 36-Ball WCSP Package

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Texas Instruments  BQ25910YFFR

The bq25910 is an integrated three-levelswitch-mode parallel battery charge management device for single cell Li-ion and Li-polymerbatteries. Utilization of the three-level converter maintains highest switch-mode operationefficiency while reducing solution footprint and increasing power density. The device supports fast chargingwith high input voltage for a wide range of portable devices. The solution integratesreverse-blocking FET (QBLK), and four switching FETs(QHSA, QHSB, QLSB,QLSA). The I2C serial interface with charging andsystem settings makes the device a truly flexible solution.