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DC Brushless Motor Drivers for Cooling Fans
Two-phase Full-wave
DC Brushless Fan Motor Drivers
BD6701F, BA6406F, BA6506F, BA6901F, BD6712AF
No.12010EAT03
Description
This is the summary of models for two-phase half-wave fan motor driver. They incorporate lock protection, automatic restart
circuit and FG/AL output. Some of them have variable speed control function, 48V power supply adaptation.
Feature
1) Power Tr incorporated(BD6701F)
2) Pre-driver(BA6406FBA6901FBD6712AFBA6506F)
3) Variable speed control(BA6901F)
4) Incorporates reverse connection protection diode(BD6701F)
5) Incorporates lock protection and automatic restart circuit
6) Rotation speed pulse signal (FG) output(BD6701FBA6901FBD6712AFBA6506F)
7) Lock alarm signal (AL) output(BD6701FBA6901FBD6712AFBA6406F)
Applications
For desktop PC, server, general consumer equipment, communication equipment and industrial equipment.
Lineup
Two-phase half wave
Power Tr incorporated
24V power supply BD6701F
Pre-driver
24V power supply BA6406F
24V power supply BA6506F
48V power supply BD6712AF
48V power supply BD6712AF
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BD6701F, BA6406F, BA6506F, BA6901F, BD6712AF
Absolute maximum ratings
BD6701FV
Parameter
Supply voltage
Power dissipation
Operating temperature range
Storage temperature range
Output current
AL signal output current
AL signal output voltage
FG signal output current
FG signal output voltage
Junction temperature
* Reduce by 6.24 mW/°C over 25°C. (On 70.0 mm x 70.0 mm x 1.6 mm glass epoxy board)
** This value is not to exceed Pd.
Symbol
Vcc
Pd
Topr
Tstg
Iomax
IAL
VAL
IFG
VFG
Tjmax
BA6406F
Parameter
Supply voltage
Power dissipation
Operating temperature
Storage temperature
Output current
AL signal output current
AL signal output voltage
Junction temperature
* Reduce by 6.24 mW/°C over 25°C. (On 70.0 mm x 70.0 mm x 1.6 mm glass epoxy board)
Symbol
Vcc
Pd
Topr
Tstg
Iomax
IAL
VAL
Tjmax
BA6506F
Parameter
Supply voltage
Power dissipation
Operating temperature
Storage temperature
Output current
FG signal output current
FG signal output voltage
Junction temperature
* Reduce by 6.24 mW/°C over 25°C. (On 70.0 mm x 70.0 mm x 1.6 mm glass epoxy board)
Symbol
Vcc
Pd
Topr
Tstg
Iomax
IFG
VFG
Tjmax
Technical Note
Limit
36
780
-40+100
-55+150
800**
10
36
10
36
150
Unit
V
mW
mA
mA
V
mA
V
Limit
30
624
-40+100
-55+125
70
8
30
125
Unit
V
mW
mA
mA
V
Limit
30
624
-40+100
-55+125
70
8
30
125
Unit
V
mW
mA
mA
V
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BD6701F, BA6406F, BA6506F, BA6901F, BD6712AF
BA6901F
Parameter
Supply voltage
Power dissipation
Operating temperature
Storage temperature
Output current
FG signal output current
FG signal output voltage
AL signal output current
AL signal output voltage
Junction temperature
* Reduce by 5.0 mW/°C over 25°C. (On 70.0 mm x 70.0 mm x 1.6 mm glass epoxy board)
Symbol
Vcc
Pd
Topr
Tstg
Iomax
IFG
VFG
IAL
VAL
Tjmax
BAD6712AF
Parameter
Supply voltage
Power dissipation
Operating temperature range
Storage temperature range
Output current
AL signal output current
AL signal output voltage
* Reduce by 6.24 mW/°C over 25°C. (On 70.0 mm x 70.0 mm x 1.6 mm glass epoxy board)
Symbol
Pd
Topr
Tstg
Iomax
IAL
VAL
Tjmax
Operating Conditions
BD6701F
Parameter
Operating supply voltage range
Hall input voltage range
Symbol
Vcc
VH
BA6406F
Parameter
Operating supply voltage range
Hall input voltage range
Symbol
Vcc
VH
BA6506F
Parameter
Operating supply voltage range
Hall input voltage range
Symbol
Vcc
VH
BA6901F
Parameter
Operating supply voltage range
Hall input voltage range
Symbol
Vcc
VH
BD6712AF
Parameter
Operating supply voltage range
Hall input voltage range
FG output voltage rangeAL output voltage range
Hall input voltage range
Symbol
Vcc
VH
VSI
VH
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Technical Note
Limit
36
625
-40+100
-55+150
70
15
36
15
36
150
Unit
V
mW
mA
mA
V
mA
V
Limit
780
-35+95
-55+150
40
15
60
150
Unit
mW
mA
mA
V
Limit
6.028.0
0Vcc-3.0
Unit
V
V
Limit
4.028.0
1.0Vcc-0.5
Unit
V
V
Limit
4.028.0
1.0Vcc-0.5
Unit
V
V
Limit
3.528.0
0Vcc-2.2
Unit
V
V
Limit
3.5Vcz
130
048
0Vcz-1.5
Unit
V
V
V
V
2012.03 - Rev.A

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BD6701F, BA6406F, BA6506F, BA6901F, BD6712AF
Technical Note
Electrical Characteristics
BD6701FV(Unless otherwise specified Ta=25,Vcc=12V)
Parameter
Circuit current
Hall input offset voltage
Hall input hysteresis
Output L voltage
Output leak current
Output zenner voltage
Lock detection ON time
Lock detection OFF time
FG output voltage L
FG output leak current
AL output voltage L
AL output leak current
Symbol
Limit
Min. Typ.
Icc 3 6
VHofs -10
-
Vhys ±5 ±10
VOL
- 0.30
IOL - -
VOZ 50 54
TON 0.30 0.50
TOFF 3.0 5.0
VALL
-
-
IALL
-
-
VFGL
-
-
IFGL
-
-
Max.
9
10
±15
0.50
100
58
0.70
7.0
0.4
50
0.4
50
Unit
Conditions
Characteristics
mA
mV
mV
V Io=200mA
μA Vo=45V
V Clamp current =10mA
sec
sec
V IFG=5mA
μA VFG=36V
V IAL=5mA
μA VAL=36V
Fig.1
-
Fig.2
Fig.3
-
Fig.4
Fig.5
Fig.6
Fig.7,8
-
Fig.7,8
-
BA6406F(Unless otherwise specified Ta=25,Vcc=12V)
Parameter
Symbol
Limit
Min. Typ.
Circuit current
Hall input hysteresis
AL output L voltage
Icc - 3.2
Vhys
±3
-
VALL
-
-
AL current capacity
Charge current of capacitor for
lock detection
Discharge current of capacitor
for lock detection
Charge-discharge current ratio of
capacitor for lock detection
Clamp voltage of capacitor for
lock detection
Comparison voltage of capacitor
for lock detection
Output H voltage
IAL
ILDC
8.0 -
2.0 3.45
ILDD 0.35 0.80
rCD 3 4.5
VLDCL 2.2 2.6
VLDCP 0.4 0.6
VOH
10 10.5
Max.
5.0
±15
0.5
-
5.25
1.45
8
3.0
0.8
-
Unit Conditions
mA At output OFF
mV
V IAL=5mA
mA VAL=2V
μA VLD=1.5V
μA VLD=1.5V
- rCD=ILDC/ILDD
V
V
V Io=10mA
Characteristics
Fig.10
Fig.11
Fig.12
-
Fig.13
Fig.13
-
Fig.14
Fig.14
Fig.15
BA6506F(Unless otherwise specified Ta=25,Vcc=12V)
Parameter
Symbol
Limit
Min. Typ.
Circuit current
Icc - 3.2
Hall input hysteresis
Vhys
±3
-
FG output L voltage
VALL
-
-
FG current capacity
IAL 8.0 -
Charge current of capacitor for
lock detection
ILDC 2.0 3.45
Discharge current of capacitor
for lock detection
ILDD 0.35 0.80
Charge-discharge current ratio of
capacitor for lock detection
rCD
3 4.5
Clamp voltage of capacitor for
lock detection
VLDCL 2.2 2.6
Comparison voltage of capacitor
for lock detection
VLDCP 0.4 0.6
Output H voltage
VOH
10 10.5
Max.
5.0
±15
0.5
-
5.25
1.45
8
3.0
0.8
-
Unit Conditions
mA At output OFF
mV
V IAL=5mA
mA VAL=2V
μA VLD=1.5V
μA VLD=1.5V
- rCD=ILDC/ILDD
V
V
V Io=10mA
Characteristics
Fig.16
Fig.17
Fig.18
-
Fig.19
Fig.19
-
Fig.20
Fig.20
Fig.21
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BD6701F, BA6406F, BA6506F, BA6901F, BD6712AF
Technical Note
BA6901F(Unless otherwise specified Ta=25,Vcc=12V)
Parameter
Circuit current
Hall input hysteresis
Charge current of capacitor for
lock detection
Discharge current of capacitor
for lock detection
Charge-discharge current ratio of
capacitor for lock detection
Clamp voltage of capacitor for
lock detection
Comparison voltage of capacitor
for lock detection
Symbol
Limit
Min. Typ.
Icc 3.0 7.0
Vhys
±4 ±10
ILDC 2.0 5.0
ILDD 0.2 0.5
rCD 4 10
VLDCL 1.60 2.40
VLDCP 0.25 0.60
Output H voltage
VOH
- 1.5
FG output L voltage
AL output L voltage
CL-CS offset voltage
Response time for current limit
PWM input voltage H
PWM input voltage L
Charge-discharge pulse
comparison voltage
Charge-discharge pulse output
voltage H
Charge-discharge pulse output
voltage L
VFGL
VALL
VofsCS
TCS
VPWMH
VPWML
VCRCP
-
-
75.0
-
2.0
-
0.26
0.10
0.10
92.0
50
-
-
0.35
VTOH 0.7 1.0
VTOL 0.7 1.0
Max.
12.0
±20
8.0
0.8
16
3.20
0.95
2.0
0.50
0.50
99.5
150
-
0.8
0.44
1.3
1.3
Unit
Conditions
Characteristics
mA At output OFF
mV
μA VLD=1.5V
Fig.22
Fig.23
Fig.24
μA VLD=1.5V
Fig.24
- rCD=ILDC/ILDD
-
V Fig.25
V
V
V
V
mV
μsec
V
V
V
V
V
Io=-10mA
Voltage between output
and Vcc
IFG=5mA
IAL,IALB=5mA
CL=100mV
At output ON
At output OFF
ITO=-0.5mA
Voltage between output
and Vcc
ITO=0.5mA
Fig.25
Fig.26
Fig.27
Fig.28
Fig.29
-
Fig.30
Fig.30
-
-
-
BD6712AF (Unless otherwise specified Ta=25,Vcc=5V)
Parameter
Symbol
Min.
Limit
Typ. Max.
Unit
Conditions
Internal voltage
Vcz 5.5 6.0 6.5 V Icc=10mA
Circuit current1
Icc1 0.5 1.5 3.0 mA
Circuit current2
Icc2 4 6.7 9.5 mA **
Hall input hysteresis voltage
Vhys 5 15 25 mV
Lock detection ON time
TON 0.25 0.5 1 sec
Lock detection OFF time
TOFF 2.5 5 10 sec
Output H voltage
VOH
Vcc-0. Vcc-0.
52
Vcc
V Io=-10mA
Output L voltage
VOL
- 0.2 0.5 V Io=10mA
FG output L voltage
VFGL
- 0.15 0.5
V IFG=5mA
FG output leak current
IFGL
-
0 10 μA VFG=48V
AL output L voltage
VALL
- 0.15 0.5 V IAL=5mA
AL output leak current
IALL - 0 10 μA VAL=48V
* H+:3V,H-:2V,Output,FG,AL terminal are open
** Hall-input is 100Hz square wave. Output is connected with 1kΩto ground. FG and AL are connected with 50kΩto Vcc.
Characteristics
-
-
Fig.31
-
Fig.32
Fig.33
Fig.34,35
Fig.36,37
Fig.38,39
-
Fig.38,39
-
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