| Description & Applications | VOLTAGE PROTECTION FOR 2-, 3-, OR 4-CELL Li Ion BATTERIES The bq29400, bq29400A, bq29401, and bq29405 are BiCMOS secondary protection ICs for 2-, 3-, or 4-cell Lithium-Ion battery packs that incorporate a high-accuracy precision over voltage detection circuit.They include a programmable delay circuit for over voltage detection time.Applications: Notebook PCs Portable Instrumentation Medical and Test Equipment |