LB1690

The LB1690 is a driver IC for 3 - phase brushless motors. It is ideally suited for DO lan motors of air-conditioner, hotwater system.

The features of LB1690 can be summarized as (1)3-phase brushless motor driver; (2)45V withstand voltage and 2.5A output current; (3)current limiter; (4)low-voltage protection circuit; (5)thermal shutdown circuit; (6)hall amp with hysteresis characteristic; (7)FG output function.

The absolute maximum ratings and allowable operating conditions of LB1690 are (1)maximum supply voltage VCC max: 10V, VM max: 45V; (2)output current lO: 2.5 A; (3)allowable power dissipation Pd1 IC alone: 3A, Pd2 with infinte heat sink: 20W; (4)operating temperature Topr: -20 to +100°C; (5)storage temperature Tstg: -55 to +150°C; (6)supply voltage rang VCC: 4.5 to 5.5V, VM: 5 to 42V.