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BD6722FS_12 Datasheet, PDF (1/16 Pages) Rohm – Multifunction Single-phase Full-wave Fan Motor Driver | |||
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Datasheet
DC Brushless Fan Motor Drivers
Multifunction Single-phase Full-wave
Fan Motor Driver
BD6722FS
âGeneral 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.
âPackage
SSOP-A16
W (Typ.) x D (Typ.) x H (Max.)
6.60mm x 6.20mm x 1.71mm
âFeatures
 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
âApplication
 Fan motors for general consumer equipment of desktop PC, and Server, etc.
âAbsolute maximum ratings
Parameter
Symbol
Limit
Unit
Supply voltage
Power dissipation
Vcc
20
V
Pd
812.5 *1
mW
Operating temperature range
Topr
â40 to +100
°C
Storage temperature range
Tstg
â55 to +150
°C
High side output voltage
Voh
34
V
Low side output voltage
Low side output current
Vol
34
V
Iol
1.5 *2
A
Rotation speed pulse signal (FG) output voltage
Vfg
20
V
Rotation speed pulse signal (FG) output current
Ifg
10
mA
Lock alarm signal (AL) output voltage
Val
20
V
Lock alarm signal (AL) output current
Ial
10
mA
Reference voltage (REF) output current
Iref
8
mA
Input voltage (TH)
Vin
15
V
Junction temperature
Tj
150
°C
*1 Reduce by 6.5mW/°C over Ta=25°C. (On 70.0mmÃ70.0mmÃ1.6mm glass epoxy board)
*2 This value is not to exceed Pd.
âRecommended operating conditions
Parameter
Operating supply voltage range
Operating input voltage range (H+, Hâ, MIN)
(more than Vcc=9V)
Operating input voltage range (H+, Hâ, MIN)
(less than Vcc=9V)
Symbol
Vcc
Vin
Limit
Unit
4.5 to 17.0
V
0 to 7
V
0 to Vccâ2
V
âProduct structureï¼Silicon monolithic integrated circuit âThis product is not designed protection against radioactive rays
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
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TSZ02201-0H1H0B100180-1-2
28.JUL.2012 Rev.002
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