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PDF BD61243FV Data sheet ( Hoja de datos )
| Número de pieza | BD61243FV | |
| 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
BD61243FV
General Description
BD61243FV is a 1chip driver that is composed of
H-bridge power DMOS FET. Moreover, the circuit
configuration is restructured, and convenience has been
improved by reducing the external parts and simplifying
the setting compared with the conventional driver.
Key Specifications
Operating Voltage Range:
Operating Temperature Range:
Output Voltage(total):
5.5V to 16V
–40°C to +105°C
0.2V(Typ) at 0.2A
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
Rotation Speed Pulse Signal (FG) Output
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.
Typical Application Circuits
SSOP-B14
SIG
PWM
1 FG
GND 14
2 H-
H
SSW 13
3 H+
ZPER 12
4 SLOPE
MIN 11
5 PWM
REF 10
6 OUT2
VCC 9
7 RNF
OUT1 8
M
SIG
1 FG
GND 14
2 H-
H
SSW 13
3 H+
ZPER 12
4 SLOPE
MIN 11
5 PWM
REF 10
6 OUT2
VCC 9
7 RNF
OUT1 8
＋
－M
DC
＋
－
Figure 1. Application of Direct PWM Input
Figure 2. Application of DC Voltage Input
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
TSZ02201-0H1H0B101290-1-2 .
Jun.19.2015 Rev.001
1 page  
BD61243FV
Typical Performance Curves (Reference Data)
8
0.0
6 -0.3
105°C
4 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[V]
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
TSZ02201-0H1H0B101290-1-2.
Jun.19.2015 Rev. 001
5 Page 
BD61243FV
Application Circuit Examples (Constant Values are for Reference) – continued
2. DC Voltage Input Application
This is an example application circuit for the rotation speed control by DC voltage. In this application, minimum
rotational speed cannot be set.
SIG
Pull-down PWM terminal to in
GND
to 1kΩ
H
1 FG
2 H-
3 H+
SIGNAL
OUTPUT
-
COMP
+
1kΩ
to 100kΩ 4 SLOPE
INSIDE
REG
5 FILTER
0Ω PWM
6 OUT2
OSC
CONTROL
LOGIC
PRE-
DRIVER
0.22Ω to
－
7 RNF
M
TSD GND 14
SSW 13
1kΩ
to 100kΩ
ZPER 12
MIN 11
REFE-
RENCE
REF 10
VCC 9
1μF to
OUT1 8
DC
Zener diode for MIN
withstand voltage protection
＋
Figure 21. DC Voltage Input Application
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 15 • 001
11/27
TSZ02201-0H1H0B101290-1-2.
Jun.19.2015 Rev. 001
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet BD61243FV.PDF ] | |
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