Motor driver ICs 2-phase half-wave motor predriver BA6404F The BA6404F is a 2-phase, half-wave motor predriver suited for fan motors. Features 1) Lock detection and rotational speed sensing mechanisms are built in. 2) Hall constant current source is built in. Block diagram and application example 692 3) Compact 8-pin SOP package reduces the number of external components required. 4) Automatic restart when the motor lock is undone. Motor driver ICs BA6404F FAbsolute maximum ratings (Ta = 25_C) FOperating power supply voltage range (Ta = 25_C) FElectrical characteristics (unless otherwise noted, Ta = 25_C and VCC = 12V) 693 Motor driver ICs External dimensions (Units: mm) 694 BA6404F