Datasheet
DC Brushless Motor Drivers for Fans
Multifunction Single-phase Full-wave
Fan Motor Driver
BD69730FV
Description
BD69730FV is a pre-driver that controls the motor drive part composed of the power transistors.
It incorporates current limiting circuit, lock protection and automatic restart circuit, PWM soft switching circuit, soft start
circuit, and quick start circuit.
Features
Pre-driver for external power transistors
Speed controllable by DC / direct PWM input
PWM soft switching
Soft start
Quick start
Current limit
Lock protection and automatic restart
Rotation speed pulse signal (FG) output
Applications
Fan motors for general consumer equipment of
desktop PC, and Server, etc.
SSOP-B16
Absolute Maximum Ratings
Parameter
Supply Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Junction Temperature
High side output voltage
Low side output voltage
Low side output current
Rotation speed pulse signal (FG) output voltage
Rotation speed pulse signal (FG) output current
Reference voltage (REF) output current
Hall bias (HB) output current
Input voltage (H+, H-, TH, MIN, CS)
Symbol
V
CC
Pd
Topr
Tstg
Tjmax
V
OH
V
OL
I
OL
V
FG
I
FG
I
REF
I
HB
V
IN
Rating
20
0.87
(Note 1)
-40 to +105
-55 to +150
150
36
15
10
20
10
12
12
7
Unit
V
W
°C
°C
°C
V
V
mA
V
mA
mA
mA
V
Package
SSOP-B16
W(Typ) x D(Typ) x H(Max)
5.00mm x 6.40mm x 1.35mm
(Note 1) Reduce by 7.0mW/℃ over 25℃. (On 70.0mm×70.0mm×1.6mm glass epoxy board)
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
structure：Silicon monolithic integrated circuit
.
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© 2015 ROHM Co., Ltd. All rights reserved.
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product has no designed protection against radioactive rays
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TSZ02201-0H1H0B101410-1-2
8.Jun.2015 Rev.001
BD69730FV
Recommended Operating Conditions
Parameter
Supply Voltage
Hall Input Voltage1
(more than Vcc=9V)
Hall Input Voltage2
(less than Vcc=9V)
HALL Signal Level
Operating Input Voltage (TH, MIN)
Symbol
V
CC
V
H1
V
H2
V
HAMP
VIN
Min
4.3
0
0
±100
0
Typ
12
-
-
-
-
Max
17
7
Vcc-2
±500
V
REF
Unit
V
V
V
mV
V
Datasheet
Electrical Characteristics
(Unless otherwise specified Ta=25°C, V
CC
=12V)
Parameter
Circuit Current
Hall Input Hysteresis Voltage
High Side Output Current
High Side Output Leak Current
Low Side Output High Voltage
Low Side Output Low Voltage
Lock Detection ON Time
Lock Detection OFF Time
FG Output Low Voltage
FG Output Leak Current
OSC High Voltage
OSC Low Voltage
OSC Charge Current
OSC Discharge Current
Output ON Duty 1
Output ON Duty 2
Output ON Duty 3
Reference Voltage
Hall Bias Voltage
Current Limit Setting Voltage
SS Charge Current
TH Input Bias Current
MIN Input Bias Current
CS Input Bias Current
Truth Table
Hall Input
H+
H-
H
L
L
H
Symbol
I
CC
V
HYS
I
OH
I
OHL
V
OLH
V
OLL
t
ON
t
OFF
V
FGL
I
FGL
V
OSCH
V
OSCL
I
COSC
I
DOSC
P
OH1
P
OH2
P
OH3
V
REF
V
HB
V
CL
I
SS
I
TH
I
MIN
I
CS
Min
3
±5
9.0
-
9.3
-
0.20
4.0
-
-
2.3
0.8
-55
25
75
45
15
4.8
1.10
120
-300
Typ
5
±10
12.0
-
9.5
0.5
0.30
6.0
-
-
2.5
1.0
-40
40
80
50
20
5.0
1.26
150
-120
Max
8
±15
16.5
10
-
0.7
0.45
9.0
0.3
10
2.7
1.2
-25
55
85
55
25
5.2
1.50
180
-50
Unit
mA
mV
mA
µA
V
V
s
s
V
µA
V
V
µA
µA
%
%
%
V
V
mV
nA
µA
µA
µA
Conditions
Characteristics
Figure 1
Figure 2
V
OH
=12V
V
OH
=36V
I
OL
=–5mA
I
OL
=5mA
Figure 3
Figure 4
Figure 5,6
Figure 7,8
Figure 9
Figure 10
I
FG
=5mA
V
FG
=17V
Figure 11,12
Figure 13
Figure 14
Figure 14
Figure 15
Figure 15
V
TH
=V
REF
x 0.26
H side pull up R=1kΩ,OSC=470pF
-
-
-
Figure 16,17
Figure 18,19
Figure 20
V
TH
=V
REF
x 0.35
H side pull up R=1kΩ,OSC=470pF
V
TH
=V
REF
x 0.44
H side pull up R=1kΩ,OSC=470pF
I
REF
=-2mA
I
HB
=-2mA
V
SS
=0V
V
TH
=0V
V
MIN
=0V
V
CS
=0V
Figure 21
Figure 22
Figure 23
Figure 24
-
-
-
-
-
-
-0.2
-0.2
-0.2
About a current item, define the inflow current to IC as a positive notation, and the outflow current from IC as a negative notation.
A1H
Hi-Z
L
A1L
H
L
IC Output
A2H
L
Hi-Z
A2L
L
H
FG
Hi-Z
L
Motor Drive Output
OUT1
OUT2
L
H
H
L
H; High, L; Low, Hi-Z; High impedance
FG output is open-drain type.
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TSZ02201-0H1H0B101410-1-2
8.Jun.2015 Rev.001
BD69730FV
Reference data
Datasheet
10
20
Hall Input Hysteresis Voltage, V
HYS
[mV]
8
Circuit Current, Icc [mA]
10
105°C
25°C
-40°C
6
105°C
25°C
4
0
Operating Range
-40°C
25°C
105°C
-40°C
-10
2
Operating Range
0
0
5
10
15
20
-20
0
5
10
15
20
Supply Voltage, Vcc [V]
Figure 2. Hall Input Hysteresis Voltage vs Supply Voltage
Supply Voltage, Vcc [V]
Figure 1. Circuit Current vs Supply Voltage
17
105°C
25°C
-40°C
High Side Output Leak Current, I
OHL
[uA]
8
High Side Output Current, I
OH
[mA]
14
6
11
4
8
2
105°C
25°C
-40°C
Operating Range
5
Operating Range
2
0
5
10
15
20
Supply Voltage, Vcc [V]
Figure 3. High Side Output Current vs Supply Voltage
0
-2
0
10
20
30
40
Output Voltage, V
OH
[V]
Figure 4. High Side Output Leak Current vs Output Voltage
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TSZ02201-0H1H0B101410-1-2
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BD69730FV
Reference data
- continued
Datasheet
12
-40°C
25°C
105°C
12
17V
12V
8
Low Side Output High Voltage, V
OLH
[V]
10
Low Side Output High Voltage, V
OLH
[V]
10
8
6
6
4
4
2
2
4.3V
0
2
4
6
8
10
0
0
2
4
6
8
10
Output Source Current, I
O
[mA]
Figure 5.
Low Side Output High Voltage vs Output Source Current
(Vcc=12V)
0
Output Source Current, I
O
[mA]
Figure 6.
Low Side Output High Voltage vs Output Source Current
(Ta=25°C)
1.6
1.6
4.3V
1.2
Low Side Output Low Voltage, V
OLL
[V]
Low Side Output Low Voltage, V
OLL
[V]
1.2
0.8
105°C
25°C
0.4
-40°C
0.0
0
2
4
6
8
10
Output Sink Current, I
O
[mA]
0.8
0.4
12V
17V
0.0
0
2
4
6
8
10
Output sink current, I
O
[mA]
Figure 8.
Low Side Output Low Voltage vs Output Sink Current
(Ta=25°C)
Figure 7.
Low Side Output Low Voltage vs Output Sink Current
(Vcc=12V)
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TSZ02201-0H1H0B101410-1-2
8.Jun.2015 Rev.001
BD69730FV
Reference data
- continued
Datasheet
0.40
9.0
0.35
-40°C
25°C
105°C
Lock Detection OFF time, t
OFF
[s]
Lock Detection ON Time, t
ON
[s]
8.0
7.0
-40°C
25°C
105°C
0.30
6.0
0.25
Operating Range
0.20
0
5
10
15
20
Supply Voltage, Vcc [V]
Figure 9. Lock Detection ON Time vs Supply Voltage
5.0
Operating Range
4.0
0
5
10
15
20
Supply Voltage, Vcc [V]
Figure 10. Lock Detection OFF Time vs Supply Voltage
0.8
0.8
FG Output Low Voltage, V
FGL
[V]
0.6
FG Output Low Voltage, V
FGL
[V]
0.6
4.3V
0.4
105°C
25°C
0.4
12V
0.2
-40°C
0.2
17V
0.0
0
2
4
6
8
10
Output Sink Current, I
FG
[mA]
Figure 11. FG Output Low Voltage vs Output Sink Current
(Vcc=12V)
0.0
0
2
4
6
8
10
Output Sink Current, I
FG
[mA]
Figure 12. FG Output Low Voltage vs Output Sink Current
(Ta=25°C)
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© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
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TSZ02201-0H1H0B101410-1-2
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