BA6477FS - FDD spindle motor driver
BA6477FS 534 Motor driver ICs FInput / output circuits (1) Index input (1, 2 pin) BA6477FS (2) FG amplifier (3X5 pin) (3) Speed control (6 pin) (4) External clock input (7 pin) 535 Motor driver ICs (5) Motor output (11X15 pin) (6) Hall bias (16 pin) BA6477FS (7) Hall input (17X22 pin)
BA6477FS Features
* 1) 3-phase, full-wave soft switching drive system. 2) Digital servo circuit. 3) Power save circuit. FAbsolute maximum ratings (Ta = 25_C) 4) Hall power supply switch. 5) Motor speed changeable. 6) Index amplifier. FRecommended operating conditions (Ta = 25_C) 532 Motor driver ICs FBlock diagram
