BA6901F

Datasheet DC Brushless Motor Drivers for Cooling Fans Two-phase Full-wave DC Brushless Fan Motor Drivers BA6901F General description BA6901F is two-phase half-wave fan motor driver. They incorporate lock protection, automatic restart circuit and FG/AL output. Some of them have variable speed control function. Package SOP-16 W (Typ.) x D (Typ.) x H (Max.) 10.00mm x 6.20mm x 1.71mm Features „ Current Limit circuit „ PWM control (PWM pulse signal input) „ Incorporates lock protection and automatic restart circuit „ Lock alarm signal(AL) output „ Rotation speed pulse signal (FG) output SOP16 Application „ For desktop PC, server, general consumer equipment, communication equipment and industrial equipment. Absolute maximum ratings Parameter Symbol Limit Supply voltage Vcc 36 Power dissipation Pd 625* Operating temperature Topr -40 +100 Storage temperature Tstg -55 +150 Output current Iomax 70 FG signal output current Ifg 15 FG signal output voltage Vfg 36 AL signal output current Ial 15 AL signal output voltage Val 36 Junction temperature Tjmax 150 * Reduce by 5.0mW/°C over Ta=25°C. (On 70.0mm×70.0mm×1.6mm glass epoxy board) Unit V mW mA mA V mA V Recommended operating conditions Parameter Operating supply voltage range Hall input voltage range Symbol Vcc VH Limit 3.5 28.0 0 Vcc-2.2 Unit V V Product structure Silicon monolithic integrated circuit w. ww.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. TSZ22111 14 001 This product is not d...