BQ25100B

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq25100B SLUSCG5A – MAY 2016 – REVISED JULY 2016 bq25100B 250-mA Single Cell Li-Ion Battery Chargers, 1-mA Termination, 75-nA Battery Leakage 1 Features 1 Charging – 1% Charge Voltage Accuracy – 10% Charge Current Accuracy – Supports Applications for Very Low Charge Currents - 10 mA to 250 mA – Supports Minimum 1-mA Charge Termination Current – Ultra Low Battery Output Leakage Current Maximum 75 nA – Adjustable Termination and Precharge Threshold – High voltage Chemistry Support: 4.30 V Protection – 30-V Input Rating; with 6.5-V Input Overvoltage Protection – Input Voltage Dynamic Power Management – 125°C Thermal Regulation; 150°C Thermal Shutdown Protection – OUT Short-Circuit Protection and ISET Short Detection – Fixed 10 Hour Safety Timer System – Automatic Termination and Timer Disable Mode (TTDM) for Absent Battery Pack – Available in Small 1.60 mm × 0.90 mm DSBGA Package 2 Applications Fitness Accessories Smart Watches Bluetooth® Headsets Low-Power Handheld Devices 3 Description 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 k...