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PDF BD61245EFV Data sheet ( Hoja de datos )
| Número de pieza | BD61245EFV | |
| 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
BD61245EFV
General Description
BD61245EFV 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):
4V to 16V
–40°C to +105°C
0.2V(Typ) at 0.4A
Features
High Heat Radiation 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 1.00mm
HTSSOP-B16
Applications
Fan motors for general consumer equipment of desktop PC, Projector, etc.
Typical Application Circuits
SIG
PWM
1 FG
GND 16
2 H–
H
3 H+
ADJ 15
SSW 14
4 SST
ZPER 13
5 SLP
MIN 12
6 PWM
REF 11
7 OUT2
VCC 10
8 RNF
OUT1 9
M
SIG
＋
－
1 FG
GND 16
2 H–
H
3 H+
ADJ 15
SSW 14
4 SST
ZPER 13
5 SLP
MIN 12
6 PWM
REF 11
7 OUT2
VCC 10
8 RNF
OUT1 9
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
© 2017 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 14 • 001
〇This product has no designed protection against radioactive rays
.
1/26 TSZ02201-0H1H0B101810-1-2
20.Feb.2017 Rev.001
1 page  
BD61245EFV
Typical Performance Curves (Reference Data)
8
0.00
6 -0.15
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
-0.30
–40°C
-0.45
25°C
-0.60
0.0
105°C
0.6 1.2
Output Source Current: IO[A]
1.8
Figure 4. Output High Voltage vs Output Source Current
(VCC=12V)
0.00 0.60
-0.15
0.45
105°C 25°C
-0.30
0.30
–40°C
-0.45
-0.60
0.0
16V
12V
4V
0.6 1.2
Output Source Current: IO[A]
1.8
0.15
0.00
0.0
0.6 1.2
Output Sink Current: IO[A]
1.8
Figure 5. Output High Voltage vs Output Source Current
(Ta=25°C)
Figure 6. Output Low Voltage vs Output Sink Current
(VCC=12V)
www.rohm.com
© 2017 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 15 • 001
5/26
TSZ02201-0H1H0B101810-1-2.
20.Feb.2017 Rev. 001
5 Page 
BD61245EFV
Application Circuit Examples (Constant Values are for Reference) – continued
2. DC Voltage Input Application
This is the application example of DC voltage into MIN terminal. Minimum rotational speed setting is disable.
HALL
BIAS
SIG
1kΩ
to 100kΩ
500Ω
to 2kΩ
H
1 FG
2 H–
3 H+
SIGNAL
OUTPUT
-
COMP
+
OSC
TSD GND 16
A/D ADJ 15
A/D SSW 14
Short the PWM terminal to
GND.
0Ω
0Ω to 0.5Ω
－
4 SST
A/D
SLP
5
A/D
INSIDE
REG
6 FILTER
PWM
VCL +
OUT2
7 COMP
-
8
RNF
CONTROL
LOGIC
A/D ZPER 13
MIN
A/D 12
PRE-
DRIVER
REFE-
RENCE
REF 11
VCC 10
1μF
OUT1
to 10μF
9
M
1kΩ
to 100kΩ
DC
＋
Figure 21. DC Voltage Input Application
When a function is not used, do not let the A/D converter input terminal open.
Resistor Divider
OK
REF
A/D
Resistor Pull-down
(GND Short)
OK
REF
A/D
Resistor Pull-up
(REF Short)
OK
REF
A/D
Terminal Open
(Prohibited input)
NG
REF
A/D
www.rohm.com
© 2017 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 15 • 001
11/26
TSZ02201-0H1H0B101810-1-2.
20.Feb.2017 Rev. 001
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet BD61245EFV.PDF ] | |
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