BA6191 - 2-channel reversible-motor driver

155 Optical disc ICs FInput / output circuits BA6191 156 Optical disc ICs FElectrical characteristics (unless otherwise noted, Ta=25_C, VCC=10V, Vref=2.5V) BA6191 FCircuit operation (1) Forward / reverse control block The IC outputs the forward, reverse, stop (free rotation) or brake mode in

• 1) Two-channel reversible-motor driver. 2) Four modes - forward, reverse, stop (free rotation) and brake are output according to control logic input (two inputs). 3) Output voltage is set with the Vref pin. FAbsolute maximum ratings (Ta = 25_C) 4) Internal power supply voltage drop mute circuit. 5) Internal thermal shutdown circuit. 6) Negative power supply. FRecommended operating conditions (Ta = 25_C) 154 Optical disc ICs FBlock diagram BA6191 FPin.