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PDF BD61241FV Data sheet ( Hoja de datos )
| Número de pieza | BD61241FV | |
| Descripción | Multifunction Single-phase Full-wave Fan Motor Driver | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
DC Brushless Fan Motor Drivers
Multifunction Single-phase Full-wave
Fan Motor Driver
BD61241FV
General Description
BD61241FV is a 1chip driver that is composed of
H-bridge power DMOS FET. The pin is compatible with
BD61240FV(rotation speed pulse signal output).
Features
SSOP Small Package
Driver Including Power DMOS FET
Speed Controllable by DC / PWM Input
I/O Duty Slope Adjust
PWM Soft Switching
Current Limit
Start Duty Assist
Lock Protection and Automatic Restart
Quick Start
Lock alarm signal (AL) output
Key Specifications
Operating Voltage Range:
5.5V to 16V
Operating Temperature Range: -40°C to +105°C
Output Voltage (Total):
0.2V(Typ) at 0.2A
Package
W(Typ) x D(Typ) x H(Max)
5.00mm x 6.40mm x 1.35mm
Applications
Fan motors for general consumer equipment of
desktop PC, Projector, etc.
SSOP-B16
Typical Application Circuits
SIG
PWM
1 AL
GND 16
2 H-
SLOPE 15
H
3 H+
SOFT 14
4 LA
LZ 13
5 PWM
MIN 12
6 CS
REF 11
7 OUT2
VCC 10
8 RNF
OUT1 9
M
Figure 1. Application of PWM Input
SIG
＋
－
1 AL
GND 16
2 H-
SLOPE 15
H
3 H+
SOFT 14
4 LA
LZ 13
5 PWM
MIN 12
6 CS
REF 11
7 OUT2
VCC 10
8 RNF
OUT1 9
M
Figure 2. Application of DC Voltage Input
DC
＋
－
〇Product structure : Silicon monolithic integrated circuit
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
〇This product has no designed protection against radioactive rays
1/27
TSZ02201-0H1H0B101570-1-2
16.Oct.2015 Rev.001
1 page  
BD61241FV
Typical Performance Curves (Reference Data)
8
0.0
Datasheet
6 -0.3
4
105°C
25°C
–40°C
2
Operating Voltage Range
0
0 5 10 15 20
Supply Voltage: VCC[V]
Figure 3. Circuit Current vs Supply Voltage
–40°C
-0.6
25°C
105°C
-0.9
-1.2
0.0
0.4 0.8
Output Source Current: IO[A]
1.2
Figure 4. Output High Voltage vs Output Source Current
(VCC=12V)
0.0 1.2
-0.3 0.9
105°C
16V
-0.6 0.6
12V 25°C
5.5V
–40°C
-0.9 0.3
-1.2
0.0
0.4 0.8
Output Source Current: IO[A]
1.2
Figure 5. Output High Voltage vs Output Source Current
0.0
0.0
0.4 0.8
Output Sink Current: IO[A]
1.2
Figure 6. Output Low Voltage vs Output Sink Current
(VCC=12V)
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/27
TSZ02201-0H1H0B101570-1-2
16.Oct.2015 Rev.001
5 Page 
BD61241FV
Datasheet
2. DC Voltage Input Application
This is an example application circuit for fixed rotation speed control by DC voltage. In this application, minimum
rotational speed cannot be set.
SIG
Pull-down PWM terminal to
GND
to 1kΩ
H
0Ω
0Ω
1 AL
SIGNAL
OUTPUT
2 H-
3 H+
-
COMP
+
4 LA
INSIDE
REG
INSIDE
REG
5
PWM
FILTER
6 CS
-
VCL COMP
+
7 OUT2
OSC
CONTROL
LOGIC
PRE-
DRIVER
0.22Ω to
－
8 RNF
M
TSD GND 16
SLOPE 15
SOFT 14
1kΩ
to 100kΩ
LZ 13
MIN 12
REFE-
RENCE
REF 11
0.1μF to
VCC 10
1μF to
OUT1 9
DC
Zener diode for MIN
withstand voltage protection
＋
Figure 24. DC Voltage Input Application
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/27
TSZ02201-0H1H0B101570-1-2
16.Oct.2015 Rev.001
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet BD61241FV.PDF ] | |
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