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BD6981FVM 반도체 회로 부품 판매점

Standard Single-phase Full wave Fan Motor Driver



ROHM Semiconductor 로고
ROHM Semiconductor
BD6981FVM 데이터시트, 핀배열, 회로
Datasheet
DC Brushless Motor Drivers for Fans
Standard Single-phase Full wave
Fan Motor Driver
BD6981FVM
Description
This is the summary of application for BD6981FVM. BD6981FVM can drive FAN motor silently by BTL soft switching.
Features
Small package (MSOP8)
BTL soft switching drive
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
MSOP8
W(Typ) x D(Typ) x H(Max)
2.90mm x 4.00mm x 0.90mm
MSOP8
Absolute Maximum Ratings
Parameter
Symbol
Rating
Supply Voltage
Power Dissipation
VCC
Pd
18
0.58(Note 1)
Operating Temperature
Topr
-40 to +105
Storage Temperature Tstg -55 to +150
Junction Temperature
Tjmax
150
Output Voltage
VOMAX
18
Output Current
IOMAX
800(Note 2)
Hall Input Voltage
VH
7
FG Signal Output Voltage
VFG
18
FG Signal Output Current
IFG
10
HB Output Current
IHB
10
(Note 1) Reduce by 4.68mW/°C over 25°C. (On 70.0mm×70.0mm×1.6mm glass epoxy board)
(Note 2) This value is not to exceed Pd.
Unit
V
W
°C
°C
°C
V
mA
V
V
mA
mA
Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit
between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated
over the absolute maximum ratings.
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has no designed protection against radioactive rays
1/14
TSZ02201-0H1H0B100030-1-2
20.May 2015 Rev.003


BD6981FVM 데이터시트, 핀배열, 회로
BD6981FVM
Recommended Operating Conditions
Parameter
Operating Supply Voltage Range
Hall Input Voltage Range
Symbol
VCC
VH
Limit
2.8 to 16
0.4 to VCC/4
Unit
V
V
Electrical Characteristics (Unless otherwise specified Ta=25°C, VCC=12V)
Parameter
Symbol
Circuit Current
Hall Bias Voltage
Hall Input Offset
Input-output Gain
Output Voltage
FG Hysteresis Voltage
FG Low Voltage
FG Leak Current
Lock Detection ON Time
Lock Detection OFF Time
Lock Detection Time Ratio
ICC
VHB
VOFS
GIO
VO
VHYS
VFGL
IFGL
tON
tOFF
rLD
Min.
1.5
1.1
0
53
0.20
±5
-
0
0.35
2.0
-
Limit
Typ.
4
1.2
-
55
0.45
Max.
8
1.3
±6
57
0.70
±10 ±15
0.2 0.4
-5
0.50 0.65
3.0 4.0
6-
Unit Conditions
mA
V IHB=-3mA
mV
dB
V IO=200mA
Upper and Lower total
mV
V IFG=5mA
µA VFG=18V
s
s
- rLD = tOFF / tON
Characteristics
Figure 1
Figure 2,3
-
-
Figure 4 to 7
Figure 8
Figure 9,10
-
Figure 11
Figure 12
-
Truth Table
H+
H
L
H-
OUT1
OUT2
LHL
HLH
FG
H(Output TrOFF)
L(Output TrON)
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/14
TSZ02201-0H1H0B100030-1-2
20.May 2015 Rev.003




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BD6981FVM driver

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BD6981FVM

Standard Single-phase Full wave Fan Motor Driver - ROHM Semiconductor