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BQ25910 Series

I2C 1cell 6A Three-Level buck battery charger for Parallel Charging Applications

Manufacturer: Texas Instruments
Link to Manufacturer Page: https://www.ti.com/

Catalog

I2C 1cell 6A Three-Level buck battery charger for Parallel Charging Applications

PartOperating Temperature [Max]Operating Temperature [Min]Current - ChargingSupplier Device PackageInterfaceMounting TypeBattery ChemistryVoltage - Supply (Max) [Max]Charge Current - Max [Max]Package / CaseNumber of CellsBattery Pack VoltageFault ProtectionSupplied ContentsUtilized IC / PartPrimary AttributesFunctionType
Texas Instruments
BQ25910YFFR
85 °C
-40 °C
Constant
36-DSBGA (2.63x2.46)
I2C
Surface Mount
Multi-Chemistry
14 V
6 A
36-UFBGA, DSBGA
1
4.775 V
Over Voltage, Short Circuit
Texas Instruments
BQ25910EVM-854
Board(s)
BQ25910
Li-Ion / Li-Pol (1 Cell)
Battery Charger
Power Management
Texas Instruments
BQ25910YFFT
85 °C
-40 °C
Constant
36-DSBGA (2.63x2.46)
I2C
Surface Mount
Multi-Chemistry
14 V
6 A
36-UFBGA, DSBGA
1
4.775 V
Over Voltage, Short Circuit

Key Features

Parallel charger operation provides fast charging in dual charger configurationHigh efficiency 750-kHz switch mode three-level buck parallel chargerReduced ripple to support low profile inductor95.4% Charge efficiency at 1.5 A from 5-V input93.3% Charge efficiency at 3 A from 9-V inputSuperior efficiency compared to traditional buck converter in compact form factorSingle Input to support USB input and adjustable high voltage adaptersSupport 3.9-V to 14-V input voltage range with 20-V absolute maximum input voltage ratingInput current limit (500 mA to 3.6 A with 100-mA resolution) to support USB2.0 and USB 3.0 standard and high voltage adaptorsMaximum power tracking by input voltage limit (VINDPM) up to 14 VFlexible I2C mode for optimal system performanceHigh integration includes all MOSFETs, current sensing and loop compensationLossless charge current sensing without sense resistor< 10-µA Low battery leakage current during stand-by modeHigh accuracy±0.4% Charge voltage regulation±10% Charge current regulation±7.5% Input current regulationRemote differential battery sensingSafetyThermal regulation and thermal shutdownInput UVLO and overvoltage protectionBattery OVPInput dynamic power management (DPM)Charging safety timerFlying capacitor short circuit protectionOutput voltage short circuit protectionAvailable in 36-ball WCSP packageParallel charger operation provides fast charging in dual charger configurationHigh efficiency 750-kHz switch mode three-level buck parallel chargerReduced ripple to support low profile inductor95.4% Charge efficiency at 1.5 A from 5-V input93.3% Charge efficiency at 3 A from 9-V inputSuperior efficiency compared to traditional buck converter in compact form factorSingle Input to support USB input and adjustable high voltage adaptersSupport 3.9-V to 14-V input voltage range with 20-V absolute maximum input voltage ratingInput current limit (500 mA to 3.6 A with 100-mA resolution) to support USB2.0 and USB 3.0 standard and high voltage adaptorsMaximum power tracking by input voltage limit (VINDPM) up to 14 VFlexible I2C mode for optimal system performanceHigh integration includes all MOSFETs, current sensing and loop compensationLossless charge current sensing without sense resistor< 10-µA Low battery leakage current during stand-by modeHigh accuracy±0.4% Charge voltage regulation±10% Charge current regulation±7.5% Input current regulationRemote differential battery sensingSafetyThermal regulation and thermal shutdownInput UVLO and overvoltage protectionBattery OVPInput dynamic power management (DPM)Charging safety timerFlying capacitor short circuit protectionOutput voltage short circuit protectionAvailable in 36-ball WCSP package

Description

AI
The BQ25910 is an integrated three-level switch-mode parallel battery charge management device for single cell Li-ion and Li-polymer batteries. Utilization of the three-level converter maintains highest switch-mode operation efficiency while reducing solution footprint and increasing power density. The device supports fast charging with high input voltage for a wide range of portable devices. The solution integrates reverse-blocking FET (QBLK), and four switching FETs (QHSA, QHSB, QLSB, QLSA). The I2C serial interface with charging and system settings makes the device a truly flexible solution. The BQ25910 is an integrated three-level switch-mode parallel battery charge management device for single cell Li-ion and Li-polymer batteries. Utilization of the three-level converter maintains highest switch-mode operation efficiency while reducing solution footprint and increasing power density. The device supports fast charging with high input voltage for a wide range of portable devices. The solution integrates reverse-blocking FET (QBLK), and four switching FETs (QHSA, QHSB, QLSB, QLSA). The I2C serial interface with charging and system settings makes the device a truly flexible solution.