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Details for Texas Instruments


250-mA Single Cell Li-Ion Battery Charger, 1mA Termination, 75nA Battery lLakage
Buy Directly from Texas Instruments (500 in Stock)
$0.8400 per unit
Series Information for BQ25100BYFPT - Texas Instruments


  • feature
    Charging u2013 1% Charge Voltage Accuracy u2013 10% Charge Current Accuracy u2013 Supports Applications for Very Low Charge Currents - 10 mA to 250 mA u2013 Supports Minimum 1-mA Charge Termination Current u2013 Ultra Low Battery Output Leakage Current - Maximum 75 nA u2013 Adjustable Termination and Precharge Threshold u2013 High voltage Chemistry Support: 4.30 V
  • feature
    Protection u2013 30-V Input Rating; with 6.5-V Input Overvoltage Protection u2013 Input Voltage Dynamic Power Management u2013 125u00b0C Thermal Regulation; 150u00b0C Thermal Shutdown Protection u2013 OUT Short-Circuit Protection and ISET Short Detection u2013 Fixed 10 Hour Safety Timer
  • feature


The bq25100B device is a highly integrated Li-Ion and Li-Pol linear charger targeted at space-limited portable applications. The high input voltage range with input overvoltage protection supports low-cost unregulated adapters. The bq25100B 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 and charge termination. The pre-charge current and termination current threshold are programmed via an external resistor on the bq25100B. The fast charge current value is also programmable via an external resistor. References to other devices in the bq25100B family are included in this document. For more information on those devices, please see their respective datasheets. This includes references to the CHG pin and the JEITA temperature functionality.


Battery Type:
Li-Ion Li-Pol
Input Voltage:
Battery Charge Voltage:
Charge Current Max:
Battery IC Case Style:
No. of Pins:
No. of Series Cells:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
bq25100B Series
RoHS Phthalates Compliant:
MSL 1 - Unlimited
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

Battery Charger Li-Ion/Li-Pol 250mA 4.25 to 4.305V 6-Pin DSBGA T/R

Avnet America product

Avnet Europe

Battery Charger Li-Ion/Li-Pol 250mA 4.25 to 4.305V 6-Pin DSBGA T/R

Avnet Europe product

Texas Instruments

250-mA Single Cell Li-Ion Battery Charger, 1mA Termination, 75nA Battery lLakage

Texas Instruments product