BD6968FVM Datasheet, PDF (1/16 Pages) Rohm – Standard Single-phase Full wave

Datasheet
DC Brushless Fan Motor Driver
Standard Single-phase Full wave
Fan motor driver
BD6968FVM
●Description
This is the summary of application for BD6968FVM. BD6968FVM can drive FAN motor silently by BTL soft switching, and it
can control rotational speed by direct PWM and DC voltage speed control.
●Features
Small package (MSOP10)
BTL soft switching drive
PWM speed control
Direct PWM and DC voltage control available
Low duty start up function
Quick start function
Constant voltage output for hall element
Lock protection and auto restart
(without external capacitor)
Lock alarm signal (AL) outputt
●Applications
PC, PC peripheral component
(Power supply, VGA card, case FAN etc.)
BD player, Projector etc.
●Package(s)
MSOP10
W(Typ.) x D(Typ.) x H(Max.)
2.90mm x 4.00mm x 0.90mm
MSOP10
●Absolute maximum ratings
Parameter
Symbol
Limit
Unit
Supply voltage
Vcc
15
V
Power dissipation
Pd
585*
mW
Operating temperature
Topr
-40 to +105
℃
Storage temperature
Tstg
-55 to +150
℃
Output voltage
Vomax
15
V
Output current
Iomax
800**
mA
Hall input terminal voltage
Vhall
7
V
PWM terminal voltage
Vpwm
7
V
AL signal output voltage
Val
15
V
AL signal output current
Ial
10
mA
HB output current
Ihb
10
mA
REF output current
Iref
10
mA
Junction temperature
Tjmax
150
℃
* Reduce by 4.68mW/℃ over Ta=25ºC(On 70mm×70mm×1.6mm glass epoxy board)
** This value is not to exceed Pd
●Operating conditions
Parameter
Symbol
Limit
Unit
Operating supply voltage range Vcc
3.3 to 14
V
Hall input voltage range
Vh
0.4 to Vcc/3
V
○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays
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TSZ22111・14・001
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TSZ02201-0H1H0B100050-1-2
21.Mar.2013 Rev.002