BA6285FP

Motor driver ICs Reversible motor driver BA6285FS / BA6285FP The BA6285FS and BA6285FP are reversible-motor drivers with a maximum output current of 1.0A. Two logic inputs allow four output modes: forward, reverse, stop (idling), and brake. A built-in power saving circuit suppresses current consumption when the motor is in stop mode. FApplications VCRs and audio equipment in general FFeatures 1) Logic and power sections have separate ground pins; this allows the IC to drive speed-variable, reversible motors by connecting an electronic governor circuit. 2) Built-in power saving circuit suppresses the stop mode current dissipation. FAbsolute maximum ratings (Ta = 25_C) 3) Output voltage can be set arbitrarily with the Vref pin. 4) Interfaces with TTL devices. 5) Built-in thermal shutdown circuit. FRecommended operating conditions (Ta = 25_C) 423 Motor driver ICs FBlock diagram BA6285FS / BA6285FP FPin descriptions BA6285FS 424 Motor driver ICs BA6285FP BA6285FS / BA6285FP 425 Motor driver ICs FInput / output circuits BA6285FS / BA6285FP FElectrical characteristics (unless otherwise noted, Ta = 25_, VCC = 9V, VM = 9V, VREF = 9V) 426 Motor driver ICs FMeasurement circuits BA6285FS / BA6285FP 427 Motor driver ICs BA6285FS / BA6285FP FCircuit operation (1) Input section The four output modes are controlled by two logic inputs. Current flows from OUT1 to OUT2 when FIN is HIGH and RIN is LOW, and from OUT2 to OUT1 when RIN is HIGH and FIN is LOW (refer to the tru...