Datasheet
DC Brushless Fan Motor Drivers
Multifunction Single-phase Full-wave Fan Motor Driver
BD6722FS
●General descr...
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...