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
●Package(s)
MSOP10
W(Typ.) x D(Typ.) x H(Max.)
2.90mm x 4.00mm x 0.90mm
●Applications
PC, PC peripheral component
(Power supply, VGA card, case FAN etc.)
BD player, Projector etc.
MSOP10
●Absolute maximum ratings
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
FG signal output voltage
Vfg
15
V
FG signal output current
Ifg
10
mA
HB output current
Ihb
10
mA
REF output current
Iref
10
mA
Tjmax
150
℃
Parameter
Junction temperature
*
**
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
Hall input voltage range
Vcc
Vh
3.3 to 14
0.4 to Vcc/3
V
V
○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays
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Datasheet
BD6967FVM
●Electrical characteristics(Unless otherwise specified Ta=25℃,Vcc=12V)
Parameter
Symbol
Min.
Limit
Typ.
Max.
Conditions
Unit
Characteristics
Fig.1
Circuit current
Icc
3
5
7
mA
REF voltage
Vref
2.6
2.8
3.0
V
Iref=-3mA
Fig.2
Hall bias voltage
Vhb
1.1
1.2
1.3
V
Ihb=-3mA
Fig.2
Hall input offset
Vofs
0
-
±6
mV
Input-output Gain
Gio
53
55
57
dB
-
Vo
0.20
0.45
0.70
V
Io=200mA
Upper and Lower total
PWM input H level
Vpwmh
2.7
-
7.0
V
direct PWM input condition
-
PWM input L level
Vpwml
-0.3
-
0.4
V
direct PWM input condition
-
PWM input frequency
Fpwm
2
-
88
kHz
direct PWM input condition
-
PWM terminal bias current
Ipwm
-5.0
-0.1
-
μA
OSC H voltage
Vosch
2.3
2.5
2.7
V
*
Fig.7
OSC L voltage
Voscl
0.4
0.5
0.6
V
*
Fig.7
OSC frequency
Fosc
44
66
88
kHz
PWM drive frequency at
DC voltage input mode
Fig.8
Output PWM Duty 1
Duty1
50
60
70
%
Vpwm=1.9V
-
Output PWM Duty 2
Duty2
20
30
40
%
Vpwm=1.3V
-
FG hysteresis voltage
Vhys
±5
±10
±15
mV
FG L voltage
Vfgl
-
0.2
0.4
V
Ifg=5mA
Fig.10,11
FG leak current
Ifgl
0
-
5
μA
Vfg=15V
-
Lock detection ON time
Ton
0.35
0.5
0.65
s
Fig.12
Lock detection OFF time
Toff
3..5
5.0
6.5
s
Fig.12
Output voltage
Fig.3 to 6
-
Fig.9
* Peak voltage of triangular wave (OSC) inside IC
●Terminal name
PIN No.
1
2
3
4
5
6
7
8
9
10
Terminal name
GND
OUT2
H+
HB
HFG
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
●Truth table
H+
H-
PWM
OUT1
OUT2
FG
H
L
H
L
L
H
L
H
H
H
L
L
H
L
L
L
L
H
L
L
L（Output Tr : ON）
H（Output Tr : OFF）
L（Output Tr : ON）
H（Output Tr : OFF）
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Datasheet
BD6967FVM
●Reference data
1.6
3.0
8
Vref
25℃
-40℃
4
2
Operating Voltage Range
2.5
3.3V
105℃
25℃
2.0
-40℃
1.5
Vhb
1.0
105℃
3
6
9
12
2
8
0.0
10
-40℃
0.8
0.6
12V
0.4
14V
0.2
0.4
0.6
-40℃
0.4
0.8
0.0
0.2
1.5
Operating Voltage Range
1.0
105℃
25℃
80
105℃
25℃
- 40℃
60
40
20
Operating Voltage Range
0.5
105℃
10
25℃
-40℃
0
- 40℃
25℃
-10
105℃
Operating Voltage Range
- 40℃
0
0.0
9
12
-20
3
15
6
9
12
15
3
Supply v olt age, Vc c [V]
1.0
3.3V
0.8
0.4
12V
15V
0.2
0.0
FG L voltage, Vfgl [V]
0.8
0.6
105℃
0.4
25℃
0.2
-40℃
0.0
8
10
Output current, Ifg [mA]
Fig.10 FG L voltage
(Voltage characteristics)
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6
105℃
5
25℃
2
4
6
8
10
Output current, Ifg [mA]
Fig.11 FG L voltage
(Temperature characteristics)
3/12
Ton
-40℃
4
3
Operating Voltage Range
2
1
105℃
25℃
Toff
-40℃
0
0
15
Fig. 9 FG hysteresis voltage
Lock detection ON/OFF time, Ton/Toff [s]
1.0
9
Supply v ol tage, Vc c [V]
Fig. 8 OSC frequency
Fig. 7 OSC H/L voltage
6
6
Supply voltage, Vcc [V]
0.6
0.8
20
FG hyst eresis voltage, Vhy s [ mV]
25℃
- 40℃
OSC frequency, FOSC [ kHz]
105℃
0.6
Fig.6 Output L voltage
(Temperature characteristics)
Vo sch
2.5
0.4
Output current, Io [A]
100
3.0
4
25℃
Fig.5 Output L voltage
(Voltage characteristics)
Fig.4 Output H voltage
(Temperature characteristics)
2
0.6
Output current, Io [A]
Output Current, Io [mA]
0
105℃
0.0
0.0
0.8
0.8
0.2
0.0
0.0
6
0.8
1.0
0.2
0.4
Voscl
0. 6
Fig.3 Output H voltage
(Voltage characteristics)
Output L voltage [V]
Output L voltage [V]
25℃
1.2
0.6
0.4
Output current , Io [A]
0.8
3
0.2
3.3V
1.6
Output H voltage [V]
6
Fig. 2 REF,HB Voltage
105℃
OSC L/ H voltage, Voscl/Vosch [ V]
4
1.0
2.0
0.4
Output current, Ihb,Iref [mA]
2.0
0.4
14V
0.8
0.0
0
15
Fig. 1 Circuit current
0.2
12V
-40℃
Supply voltage,Vcc [V]
0.0
1.2
25℃
0.5
0.0
0
FG L voltage, Vfgl [V]
Output H v olt age [V]
HB/REF voltage, Vhb/Vref [V]
Circuit current, Icc [mA]
105℃
6
3
6
9
12
15
Supply voltage, Vcc [V]
Fig. 12 Lock detection time
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21.Mar.2013 Rev.002
Datasheet
BD6967FVM
●Block diagram, application circuit, and pin assignment (Constant etc are for reference)
1)Direct PWM speed control
FAN speed is controlled by FAN controller PWM output. IC output PWM duty is changed directly by input PWM signal.
H level input is motor active, L level input is motor stop.
M
Take a measure against Vcc
voltage rise due to reverse
connection of power supply
and back electromotive
force.
OUT1
GND
1
10
P.9
+
Incorporates soft switching
function. Adjust at an
optimum value because
gradient of switching of
output waveform depends on
hall element output.
OUT2
2
H+
3
P.6
Vcc
Lock
Protection
9
0.1uF
to 1uF
+
FAN rotational speed
is controlled by input
PWM signal directly.
REF
-
Control
8
TSD
HB
HALL
4
P.7
PWM
Hall
Bias
7
+
-
0Ω to
500Ω
H-
FG
5
OSC
6
+
-
REF
8
PWM
OSC : Internal reference oscillation circuit
TSD :Thermal shut down(heat rejection circuit)
1k Ω
to 100kΩ
7
If controller output is open drain
output, connect pull-up resistor to
REF terminal.
2)DC voltage speed control
Output PWM duty is varied by input voltage. When input voltage level is low, output PWM duty is low. The voltage
range of output duty changes is between OSC L voltage and OSC H voltage. When the input voltage is around OSC L
(about 0.5V), rotational speed of the motor may fluctuate because of the low duty start-up function operates repeatedly.
The recommend voltage is higher than 0.7V.
M
OUT1
GND
1
10
+
OUT2
2
H+
3
Vcc
9
Lock
Protection
0.1uF
to 1uF
+
REF
-
Control
8
0.01uF
to 0.1uF
TSD
HB
HALL
4
PWM
Hall
Bias
7
FAN rotational speed
is controlled by PWM
terminal DC voltage.
P.7
+
-
0Ω to
500Ω
H-
FG
5
OSC
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6
+
-
This is an open drain
output. Connect a pull
up resistor.
P.10
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Datasheet
BD6967FVM
3) Rotational speed adjusting application
This application circuit can set the FAN rotational speed without the change of motor coil by changing resistor value of
PCB. The adjusting range of rotational speed is slower than full speed of the motor.
M
GND
OUT1
1
10
+
OUT2
2
H+
3
Vcc
9
Lock
Protection
0.1uF
to 1uF
+
-
REF
8
Control
TSD
HB
HALL
4
0Ω to
Hall
Bias
7
+
-
Drive duty can be
adjusted by the value
of R1 and R2.
R2
H-
500Ω
0.01uF
to 0.1uF
R1
PWM
FG
5
OSC
P.7
6
+
-
R1,R2 ：1kΩ to 100kΩ
*If you use only full speed, connect the PWM terminal to REF terminal.
●Description of operations
1) Lock protection and automatic restart circuit
Motor rotation is detected by hall signal, and lock detection ON time (Ton) and lock detection OFF time (Toff) are set
by IC internal counter. External part (C or R) is not required. Timing chart is shown in Fig.13.
Idling
H+
OUT1
Toff
Ton
OutputTr OFF
ON
OUT2
Depends on hall signal
(H in this figure)
FG
Recovers
Lock
release normal
operation
Motor Lock
locking detection
Fig.13 Lock protection timing chart
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BD6967FVM
2) Soft switching function (silent drive setting)
Input signal to hall amplifier is amplified to produce an output signal.
When the hall element output signal is small, the gradient of switching of output waveform is gentle. When it is large,
the gradient of switching of output waveform is steep. Gain of 55dB (560 times) is provided between input and output,
therefore enter an appropriate hall element output to IC where output waveform swings sufficiently.
(H+)-(H-)
OUT1
Fig.14 Relation between hall element output amplitude and output waveform
3) Hall input setting
Hall input voltage range is shown in operating conditions.
Vcc
Hall input voltage range
Hall input voltage range
upper limit
Hall input voltage range
lower limit
GND
Fig.15 Hall input voltage range
Adjust the value of hall element bias resistor R1 in Fig.16 so that the input voltage of a hall amplifier is input in "hall
input voltage range" including signal amplitude.
〇Reducing the noise of hall signal
Hall element may be affected by Vcc noise or the like depending on the wiring pattern of board. In this case, place a
capacitor like C1 in Fig.16. In addition, when wiring from the hall element output to IC hall input is long, noise may be
loaded on wiring. In this case, place a capacitor like C2 in Fig.16.
H+
H-
HB
C2
Hall bias current
= Vhb / (RH + R1)
C1
RH
R1
Fig.16 Application near of hall signal
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BD6967FVM
4) Speed control
4-1) Direct PWM control
Rotation speed of motor can be changed by controlling ON/OFF of the upper output depending on duty of the
signal input to PWM terminal.
H+
PWM
OUT1
OUT2
FG
Fig.17 Timing chart in PWM control
When the voltage input to PWM terminal applies H logic : normal operation
L logic : H side output is off
4-2) DC voltage speed control
Output ON duty is controlled by the input voltage to PWM terminal, comparing with internal triangular wave (OSC).
PWM terminal voltage become higher, output ON duty become wide. Timing chart is shown in Fig.18.
PWM voltage
PWM voltage
>
<
OSC voltage : High side output ON
OSC voltage : High side output OFF
OSCH voltage
OSC
OSCL voltage
PWM
OUT
Output ON duty
Output ON duty
High
Low
Fig.18 DC input speed control mode
Setting example 1. Output ON duty 60% on Vcc=5V.
PWM setting voltage equation:
Setting voltage
= Voscl + { ( Vosch - Voscl ) × ( Target Duty ) / 100 } + 0.2(*1)
= 0.5 + { ( 2.5 - 0.5 ) × 60 / 100 } + 0.2 = 1.9 [V]
(*1 The constant of delay inside IC)
4-3) Rotational speed adjusting application
OSC H and OSC L voltage is generated by dividing resistance of internal power supply (REF terminal), and the ratio
of those voltage are designed to be hard to fluctuate.
When the input voltage at PWM terminal is constant, the affection to change output ON duty by fluctuation of OSC
H and OSC L voltage is large. However, by setting that voltage input via PWM terminal is generated by dividing
resistance of REF terminal voltage, application can be made hard to be affected by voltage fluctuation of triangle
wave. For an application which requires strict precision, determine a value with sufficient margin after full
consideration of external constant is taken.
Notice : If the resistors value is too large, output ON duty is affected with a bias current to PWM. The recommend
value is less than 100kohm.
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BD6967FVM
5) Quick start, stand-by function
When the PWM signal is input, the motor start up at once regardless of the detection time of the lock protection
function.
When H level duty of PWM input signal is close to 0%, lock protection function does not work at input frequency is
slower than 1kHz , therefore enter a frequency faster than 2kHz .
6) Low duty start up function
When motor start-up from stop condition, the output is driven in output duty 50%(33kHz, max.250ms). The output duty
doesn’t depend on the PWM terminal input. Even if input duty is low, the motor can be started. Timing chart at the
Power ON is shown in Fig.19.
Vcc
Input duty = 80%
Input duty = 10%
PWM
OUT
Output duty = 80%
Output duty = 50%
duty assist time
Power
ON
Fig.19 Low duty start up function
●Equivalent circuit
1) Hall input terminal
2) Motor output terminal
Vcc
1kΩ
1kΩ
H+、H-
1kΩ
OUT1
1kΩ
OUT2
GND
3) HB terminal, REF terminal
4) FG terminal
FG
HB
REF
HB:50kΩ
REF:17kΩ
5) PWM terminal
PWM
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Datasheet
BD6967FVM
●Safety measure
1) Reverse connection protection diode
Reverse connection of power results in IC destruction as shown in Fig.20. When reverse connection is possible,
reverse connection destruction preventive diode must be added between power supply and Vcc.
In normal energization
Reverse power connection
Vcc
After reverse connection
destruction prevention
Vcc
Vcc
Circuit
block
Each
pin
GND
Internal circuit impedance high
amperage small
Circuit
block
Each
pin
Circuit
block
GND
Large current flows
Thermal destruction
Each
pin
GND
No destruction
Fig.20 Flow of current when power is connected reversely
2) Measure against Vcc voltage rise by back electromotive force
Back electromotive force (Back EMF) generates regenerative current to power supply. However, when reverse
connection protection diode is connected, Vcc voltage rises because no route is available for regenerating to power.
ON
ON
ON
Phase
switching
ON
Fig.21 Vcc voltage rise by back electromotive force
When the absolute maximum rated voltage may be exceeded due to voltage rise by back electromotive force, place
(A) Capacitor or (B) Zener diode between Vcc and GND. In addition, also take the measure (A) and (B) as shown in
(C) if required.
(B) Zener diode
(A) Capacitor
ON
ON
ON
ON
(C) Capacitor and zener diode
ON
ON
Fig.22 Measure against Vcc voltage rise
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BD6967FVM
3) Problem of GND line PWM switching
Do not perform PWM switching of GND line because the potential of GND terminal cannot be kept at the minimum.
Vcc
M
Motor
Driver
Controller
GND
PWM input
Prohibited
Fig.23 GND Line PWM switching prohibited
4) FG output
FG output is an open drain and requires pull-up resistor. The IC can be protected by adding resistor R1. An excess of
absolute maximum rating, when FG output terminal is directly connected to power supply, could damage the IC.
Vcc
Pull-up
resistor
FG
Protection
Resistor R1
Connector
of board
Fig.24 Protection of FG terminal
●Thermal derating curve
Thermal derating curve indicates power that can be consumed by IC with reference to ambient temperature. Power that
can be consumed by IC begins to attenuate at certain ambient temperature. this gradient is determined by thermal
resistance θja.
Thermal resistance θja depends on chip size, power consumption, package ambient temperature, packaging condition,
wind velocity, etc., even when the same package is used. Thermal derating curve indicates a reference value measured
at a specified condition. Fig.25 shows a thermal derating curve.
Pd(mW)
700
600
585
500
400
300
200
100
0
25
50
75
100 105 125
150
Ta(℃)
＊ Reduce by 4.68 mW/ºC over 25ºC.
(70.0mm x 70.0mm x 1.6mm glass epoxy board)
Fig.25 Thermal derating curve
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Datasheet
BD6967FVM
●Notes for use
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
14)
Absolute maximum ratings
An excess in the absolute maximum rations, such as supply voltage, temperature range of operating conditions, etc.,
can break down the devices, thus making impossible to identify breaking mode, such as a short circuit or an open
circuit. If any over rated values will expect to exceed the absolute maximum ratings, consider adding circuit
protection devices, such as fuses.
Connecting the power supply connector backward
Connecting of the power supply in reverse polarity can damage IC. Take precautions when connecting the power
supply lines. An external direction diode can be added.
Power supply line
Back electromotive force causes regenerated current to power supply line, therefore take a measure such as placing
a capacitor between power supply and GND for routing regenerated current. And fully ensure that the capacitor
characteristics have no problem before determine a capacitor value. (when applying electrolytic capacitors,
capacitance characteristic values are reduced at low temperatures)
GND potential
It is possible that the motor output terminal may deflect below GND terminal because of influence by back
electromotive force of motor. The potential of GND terminal must be minimum potential in all operating conditions,
except that the levels of the motor outputs terminals are under GND level by the back electromotive force of the
motor coil. Also ensure that all terminals except GND and motor output terminals do not fall below GND voltage
including transient characteristics. Malfunction may possibly occur depending on use condition, environment, and
property of individual motor. Please make fully confirmation that no problem is found on operation of IC.
Thermal design
Use a thermal design that allows for a sufficient margin in light of the power dissipation(Pd) in actual operating
conditions.
Inter-pin shorts and mounting errors
Use caution when positioning the IC for mounting on printed circuit boards. The IC may be damaged if there is any
connection error or if pins are shorted together.
Actions in strong electromagnetic field
Use caution when using the IC in the presence of a strong electromagnetic field as doing so may cause the IC to
malfunction.
ASO
When using the IC, set the output transistor so that it does not exceed absolute maximum rations or ASO.
Thermal shut down circuit
The IC incorporates a built-in thermal shutdown circuit (TSD circuit). Operation temperature is 175ºC (typ.) and has a
hysteresis width of 25ºC (typ.). When IC chip temperature rises and TSD circuit works, the output terminal becomes
an open state. TSD circuit is designed only to shut the IC off to prevent thermal runaway. It is not designed to protect
the IC or guarantee its operation. Do not continue to use the IC after operation this circuit or use the IC in an
environment where the operation of this circuit is assumed.
Testing on application boards
When testing the IC on an application board, connecting a capacitor to a pin with low impedance subjects the IC to
stress. Always discharge capacitors after each process or step. Always turn the IC’s power supply off before
connecting it to or removing it from a jig or fixture during the inspection process. Ground the IC during assembly
steps as an antistatic measure. Use similar precaution when transporting or storing the IC.
GND wiring pattern
When using both small signal and large current GND patterns, it is recommended to isolate the two ground patterns,
placing a single ground point at the ground potential of application so that the pattern wiring resistance and voltage
variations caused by large currents do not cause variations in the small signal ground voltage. Be careful not to
change the GND wiring pattern of any external components, either.
Capacitor between output and GND
When a large capacitor is connected between output and GND, if Vcc is shorted with 0V or GND for some cause, it
is possible that the current charged in the capacitor may flow into the output resulting in destruction. Keep the
capacitor between output and GND below 100uF.
IC terminal input
When Vcc voltage is not applied to IC, do not apply voltage to each input terminal. When voltage above Vcc or below
GND is applied to the input terminal, parasitic element is actuated due to the structure of IC. Operation of parasitic
element causes mutual interference between circuits, resulting in malfunction as well as destruction in the last. Do
not use in a manner where parasitic element is actuated.
In use
We are sure that the example of application circuit is preferable, but please check the character further more in
application to a part which requires high precision. In using the unit with external circuit constant changed, consider
the variation of externally equipped parts and our IC including not only static character but also transient character
and allow sufficient margin in determining.
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21.Mar.2013 Rev.002
Datasheet
BD6967FVM
●Physical Dimension
MSOP10
2.9±0.1
(MAX 3.25 include BURR)
7
+6
4 −4
6
Ｄ ６９
６７
1
2
0.45
3
<Tape and Reel information>
Tape
Embossed carrier tape
Quantity
3000pcs
Direction
of feed
TR
The direction is the 1pin of product is at the upper right when you hold
( reel on the left hand and you pull out the tape on the right hand
)
1pin
LOT No.
4 5
1PIN MARK
+0.05
0.145 −0.03
S
0.75±0.05
0.08±0.035
0.9MAX
8
0.6±0.2
9
0.29±0.15
2.8±0.1
4.0±0.2
10
0.5
0.08 S
+0.05
0.22 −0.04
0.08
Direction of feed
M
Reel
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
12/12
∗ Order quantity needs to be multiple of the minimum quantity.
TSZ02201-0H1H0B100040-1-2
21.Mar.2013 Rev.002
Datasheet
Notice
Precaution on using ROHM Products
1.
Our Products are designed and manufactured for application in ordinary electronic equipments (such as AV equipment,
OA equipment, telecommunication equipment, home electronic appliances, amusement equipment, etc.). If you
(Note 1)
, transport
intend to use our Products in devices requiring extremely high reliability (such as medical equipment
equipment, traffic equipment, aircraft/spacecraft, nuclear power controllers, fuel controllers, car equipment including car
accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or
serious damage to property (“Specific Applications”), please consult with the ROHM sales representative in advance.
Unless otherwise agreed in writing by ROHM in advance, ROHM shall not be in any way responsible or liable for any
damages, expenses or losses incurred by you or third parties arising from the use of any ROHM’s Products for Specific
Applications.
(Note1) Medical Equipment Classification of the Specific Applications
JAPAN
USA
EU
CHINA
CLASSⅢ
CLASSⅡb
CLASSⅢ
CLASSⅢ
CLASSⅣ
CLASSⅢ
2.
ROHM designs and manufactures its Products subject to strict quality control system. However, semiconductor
products can fail or malfunction at a certain rate. Please be sure to implement, at your own responsibilities, adequate
safety measures including but not limited to fail-safe design against the physical injury, damage to any property, which
a failure or malfunction of our Products may cause. The following are examples of safety measures:
[a] Installation of protection circuits or other protective devices to improve system safety
[b] Installation of redundant circuits to reduce the impact of single or multiple circuit failure
3.
Our Products are designed and manufactured for use under standard conditions and not under any special or
extraordinary environments or conditions, as exemplified below. Accordingly, ROHM shall not be in any way
responsible or liable for any damages, expenses or losses arising from the use of any ROHM’s Products under any
special or extraordinary environments or conditions. If you intend to use our Products under any special or
extraordinary environments or conditions (as exemplified below), your independent verification and confirmation of
product performance, reliability, etc, prior to use, must be necessary:
[a] Use of our Products in any types of liquid, including water, oils, chemicals, and organic solvents
[b] Use of our Products outdoors or in places where the Products are exposed to direct sunlight or dust
[c] Use of our Products in places where the Products are exposed to sea wind or corrosive gases, including Cl2,
H2S, NH3, SO2, and NO2
[d] Use of our Products in places where the Products are exposed to static electricity or electromagnetic waves
[e] Use of our Products in proximity to heat-producing components, plastic cords, or other flammable items
[f] Sealing or coating our Products with resin or other coating materials
[g] Use of our Products without cleaning residue of flux (even if you use no-clean type fluxes, cleaning residue of
flux is recommended); or Washing our Products by using water or water-soluble cleaning agents for cleaning
residue after soldering
[h] Use of the Products in places subject to dew condensation
4.
The Products are not subject to radiation-proof design.
5.
Please verify and confirm characteristics of the final or mounted products in using the Products.
6.
In particular, if a transient load (a large amount of load applied in a short period of time, such as pulse. is applied,
confirmation of performance characteristics after on-board mounting is strongly recommended. Avoid applying power
exceeding normal rated power; exceeding the power rating under steady-state loading condition may negatively affect
product performance and reliability.
7.
De-rate Power Dissipation (Pd) depending on Ambient temperature (Ta). When used in sealed area, confirm the actual
ambient temperature.
8.
Confirm that operation temperature is within the specified range described in the product specification.
9.
ROHM shall not be in any way responsible or liable for failure induced under deviant condition from what is defined in
this document.
Precaution for Mounting / Circuit board design
1.
When a highly active halogenous (chlorine, bromine, etc.) flux is used, the residue of flux may negatively affect product
performance and reliability.
2.
In principle, the reflow soldering method must be used; if flow soldering method is preferred, please consult with the
ROHM representative in advance.
For details, please refer to ROHM Mounting specification
Notice - GE
© 2014 ROHM Co., Ltd. All rights reserved.
Rev.002
Datasheet
Precautions Regarding Application Examples and External Circuits
1.
If change is made to the constant of an external circuit, please allow a sufficient margin considering variations of the
characteristics of the Products and external components, including transient characteristics, as well as static
characteristics.
2.
You agree that application notes, reference designs, and associated data and information contained in this document
are presented only as guidance for Products use. Therefore, in case you use such information, you are solely
responsible for it and you must exercise your own independent verification and judgment in the use of such information
contained in this document. ROHM shall not be in any way responsible or liable for any damages, expenses or losses
incurred by you or third parties arising from the use of such information.
Precaution for Electrostatic
This Product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. Please take proper
caution in your manufacturing process and storage so that voltage exceeding the Products maximum rating will not be
applied to Products. Please take special care under dry condition (e.g. Grounding of human body / equipment / solder iron,
isolation from charged objects, setting of Ionizer, friction prevention and temperature / humidity control).
Precaution for Storage / Transportation
1.
Product performance and soldered connections may deteriorate if the Products are stored in the places where:
[a] the Products are exposed to sea winds or corrosive gases, including Cl2, H2S, NH3, SO2, and NO2
[b] the temperature or humidity exceeds those recommended by ROHM
[c] the Products are exposed to direct sunshine or condensation
[d] the Products are exposed to high Electrostatic
2.
Even under ROHM recommended storage condition, solderability of products out of recommended storage time period
may be degraded. It is strongly recommended to confirm solderability before using Products of which storage time is
exceeding the recommended storage time period.
3.
Store / transport cartons in the correct direction, which is indicated on a carton with a symbol. Otherwise bent leads
may occur due to excessive stress applied when dropping of a carton.
4.
Use Products within the specified time after opening a humidity barrier bag. Baking is required before using Products of
which storage time is exceeding the recommended storage time period.
Precaution for Product Label
QR code printed on ROHM Products label is for ROHM’s internal use only.
Precaution for Disposition
When disposing Products please dispose them properly using an authorized industry waste company.
Precaution for Foreign Exchange and Foreign Trade act
Since our Products might fall under controlled goods prescribed by the applicable foreign exchange and foreign trade act,
please consult with ROHM representative in case of export.
Precaution Regarding Intellectual Property Rights
1.
All information and data including but not limited to application example contained in this document is for reference
only. ROHM does not warrant that foregoing information or data will not infringe any intellectual property rights or any
other rights of any third party regarding such information or data. ROHM shall not be in any way responsible or liable
for infringement of any intellectual property rights or other damages arising from use of such information or data.:
2.
No license, expressly or implied, is granted hereby under any intellectual property rights or other rights of ROHM or any
third parties with respect to the information contained in this document.
Other Precaution
1.
This document may not be reprinted or reproduced, in whole or in part, without prior written consent of ROHM.
2.
The Products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written
consent of ROHM.
3.
In no event shall you use in any way whatsoever the Products and the related technical information contained in the
Products or this document for any military purposes, including but not limited to, the development of mass-destruction
weapons.
4.
The proper names of companies or products described in this document are trademarks or registered trademarks of
ROHM, its affiliated companies or third parties.
Notice - GE
© 2014 ROHM Co., Ltd. All rights reserved.
Rev.002
Datasheet
General Precaution
1. Before you use our Pro ducts, you are requested to care fully read this document and fully understand its contents.
ROHM shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny
ROHM’s Products against warning, caution or note contained in this document.
2. All information contained in this docume nt is current as of the issuing date and subj ect to change without any prior
notice. Before purchasing or using ROHM’s Products, please confirm the la test information with a ROHM sale s
representative.
3.
The information contained in this doc ument is provi ded on an “as is” basis and ROHM does not warrant that all
information contained in this document is accurate an d/or error-free. ROHM shall not be in an y way responsible or
liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or
concerning such information.
Notice – WE
© 2014 ROHM Co., Ltd. All rights reserved.
Rev.001
Datasheet
BD6967FVM - Web Page
Buy
Distribution Inventory
Part Number
Package
Unit Quantity
Minimum Package Quantity
Packing Type
Constitution Materials List
RoHS
BD6967FVM
MSOP10
3000
3000
Taping
inquiry
Yes