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Rohm Semiconductor Electronic Components Datasheet

BD6967FVM Datasheet

Standard Single-phase Full wave Fan Motor Driver

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BD6967FVM pdf
Datasheet
DC Brushless Fan Motor Driver
Standard Single-phase Full wave
Fan Motor Driver
BD6967FVM
General Description
This is the summary of application for BD6967FVM. BD6967FVM 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)
Rotating speed pulse signal (FG) output
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
Supply voltage
Vcc 15
Power dissipation
Pd 585*
Operating temperature
Topr
-40 to +105
Storage temperature
Tstg -55 to +150
Output voltage
Vomax
15
Output current
Iomax
800**
Hall input terminal voltage
Vhall
7
PWM terminal voltage
Vpwm
7
FG signal output voltage
Vfg
15
FG signal output current
Ifg
10
HB output current Ihb 10
REF output current
Iref
10
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
Operating supply voltage range
Hall input voltage range
Symbol
Vcc
Vh
Limit
3.3 to 14
0.4 to Vcc/3
Unit
V
mW
V
mA
V
V
V
mA
mA
mA
Unit
V
V
Product structureSilicon monolithic integrated circuit This product is not designed protection against radioactive rays
.www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
1/12
TSZ02201-0H1H0B100040-1-2
21.Mar.2013 Rev.002


Rohm Semiconductor Electronic Components Datasheet

BD6967FVM Datasheet

Standard Single-phase Full wave Fan Motor Driver

No Preview Available !

BD6967FVM pdf
BD6967FVM
Datasheet
Electrical characteristics(Unless otherwise specified Ta=25,Vcc=12V)
Parameter
Circuit current
REF voltage
Hall bias voltage
Hall input offset
Input-output Gain
Output voltage
PWM input H level
PWM input L level
PWM input frequency
PWM terminal bias current
OSC H voltage
OSC L voltage
OSC frequency
Output PWM Duty 1
Output PWM Duty 2
FG hysteresis voltage
FG L voltage
FG leak current
Lock detection ON time
Lock detection OFF time
Symbol
Icc
Vref
Vhb
Vofs
Gio
Vo
Vpwmh
Vpwml
Fpwm
Ipwm
Vosch
Voscl
Fosc
Duty1
Duty2
Vhys
Vfgl
Ifgl
Ton
Toff
Min.
3
2.6
1.1
0
53
0.20
2.7
-0.3
2
-5.0
2.3
0.4
44
50
20
±5
-
0
0.35
3..5
Limit
Typ.
5
2.8
1.2
-
55
0.45
-
-
-
-0.1
2.5
0.5
66
60
30
±10
0.2
-
0.5
5.0
Max.
7
3.0
1.3
±6
57
0.70
7.0
0.4
88
-
2.7
0.6
88
70
40
±15
0.4
5
0.65
6.5
Unit
Conditions
Characteristics
mA
V
V
mV
dB
V
V
V
kHz
μA
V
V
kHz
%
%
mV
V
μA
s
s
Fig.1
Iref=-3mA
Fig.2
Ihb=-3mA
Fig.2
-
-
Io=200mA
Upper and Lower total
direct PWM input condition
Fig.3 to 6
-
direct PWM input condition
-
direct PWM input condition
-
-
*
*
PWM drive frequency at
DC voltage input mode
Vpwm=1.9V
Fig.7
Fig.7
Fig.8
-
Vpwm=1.3V
-
Fig.9
Ifg=5mA
Fig.10,11
Vfg=15V
-
Fig.12
Fig.12
* Peak voltage of triangular wave (OSC) inside IC
Terminal name
PIN No.
1
2
3
4
5
6
7
8
9
10
Truth table
H+
H
L
H
L
Terminal name
GND
OUT2
H+
HB
H-
FG
PWM
REF
Vcc
OUT1
Function
GND
Motor output 2
Hall input +
Constant voltage output for hall element
Hall input -
Rotational speed pulse output
Control signal input (PWM or DC voltage)
Reference voltage output
Power supply
Motor output 1
H-
PWM
OUT1
OUT2
FG
L HH L
LOutput Tr : ON
H H L H HOutput Tr : OFF
LLLL
LOutput Tr : ON
H L L L HOutput Tr : OFF
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/12
TSZ02201-0H1H0B100040-1-2
21.Mar.2013 Rev.002


Part Number BD6967FVM
Description Standard Single-phase Full wave Fan Motor Driver
Maker ROHM
Total Page 16 Pages
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BD6967FVM pdf
BD6967FVM Datasheet PDF
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