Not Recommended For New Designs bq28400
www.ti.com SLUSA61A – OCTOBER 2010 – REVISED DECEMBER 2010 Tablet PC and Netbook 2-Series Cell Li-Ion Battery Gas Gauge and Protection
Check for Samples: bq28400 FEATURES 1 Fully Integrated Gas Gauge and Analog
Monitoring with Protection in a Single Package
2-Series Cell Li-Ion or Li-Polymer Battery
Packs
Flexible Memory Architecture with Integrated
Flash Memory
Zero-Volt and Pre-Charge Mode
Full Array of Programmable Protection:
– OV (Overvoltage)
– UV (Undervoltage)
– SC (Short Circuit)
– OT (Overtemperature)
– CIM (Cell Imbalance)
Accurate CEDV Gauging Algorithm with Self
Discharge Compensation
High Accuracy Analog Interface with Two
Independent ADCs:
– High Resolution 16-Bit Integrator for
Coulomb Counting
– 16-Bit Delta-Sigma ADC with a 16-Channel
Multiplexer for Voltage, Current, and …
