BD6722FS

Datasheet DC Brushless Fan Motor Drivers Multifunction Single-phase Full-wave Fan Motor Driver BD6722FS ●General description BD6722FS is a half pre-driver that controls the source side motor drive part composed of the power transistors. Moreover, it corresponds to 800mA motor, because the driving current and the composition parts are optimized. ●Package SSOP-A16 W (Typ.) x D (Typ.) x H (Max.) 6.60mm x 6.20mm x 1.71mm ●Features „ Half pre-driver including power NDMOS FET „ Speed controllable by DC / direct PWM input „ PWM soft switching „ Quick start „ Current limit „ Lock protection and automatic restart „ Rotation speed pulse signal (FG) output „ Lock alarm signal (AL) output SSOP-A16 ●Application „ Fan motors for general consumer equipment of desktop PC, and Server, etc. ●Absolute maximum ratings Parameter Symbol Limit Supply voltage Power dissipation Vcc 20 Pd 812.5 *1 Operating temperature range Topr –40 to +100 Storage temperature range Tstg –55 to +150 High side output voltage Voh 34 Low side output voltage Low side output current Vol 34 Iol 1.5 *2 Rotation speed pulse signal (FG) output voltage Vfg 20 Rotation speed pulse signal (FG) output current Ifg 10 Lock alarm signal (AL) output voltage Val 20 Lock alarm signal (AL) output current Ial 10 Reference voltage (REF) output current Iref 8 Input voltage (TH) Vin 15 Junction temperature Tj 150 *1 Reduce by 6.5mW/°C over Ta=25°C. (On 70.0mm×70.0mm×1.6mm glass epoxy board) *2 This val...