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PDF BM6201FS Data sheet ( Hoja de datos )
| Número de pieza | BM6201FS | |
| Descripción | Three phase brushless fan motor driver | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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BM6201FS
For air-conditioner fan motor
600V PrestoMOS™ built-in
Three phase brushless fan motor driver
BM6201FS
General Description
This motor driver IC adopts PrestoMOS™ as the output
transistor, and put in a small full molding package with
the high voltage gate driver chip. The protection circuits
~ overcurrent, overheating, under voltage lock out ~ and
the high voltage bootstrap diode with current regulation
are built into, and provides optimum motor drive system
for a wide variety of applications by the combination with
controller BD6201X series, and enables motor unit
standardization.
Features
600V PrestoMOS™ built-in
Output current 1.5A
Bootstrap operation by floating high side driver
(including diode)
3.3V logic input compatible
Protection circuits provided: OCP, TSD and UVLO
Fault output (open drain)
Applications
Air conditioners; air cleaners; water pumps;
dishwashers; washing machines
General OA equipment
Key Specifications
Output MOSFET voltage:
600V
Driver output current (DC):
±1.5A(Max.)
Driver output current (Pulse):
±2.5A(Max.)
Output MOSFET DC on resistance: 2.7Ω (Typ.)
Operating case temperature:
-20°C to +100°C
Power dissipation:
3.0W
Package
SSOP-A54_42
W(Typ.) x D(Typ.) x H(Max.)
22.0mm x 14.1mm x 2.4mm
Typical Application Circuit
SSOP-A54_42
FG
VSP
R1
C1
VREG
R8 R9
Q1
DTR
C2~C4
BD6201X
C14
HW HV HU
R2
VREG
C11
VCC
GND
C10 R5 R4
VDC
C5
R3
D1
C6 BM6201FS
R7
C12
C13
C7
C8
M
C9
R6
Fig.1 Application circuit example - BM6201FS & BD6201X
Product structure : Silicon hybrid integrated circuit
.http://www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 · 14 · 001
This product is not designed protection against radioactive rays
1/19
TSZ02201-0828AB400010-1-2
26.MAR.2012 Rev.001
Free Datasheet http://www.datasheet4u.com/
1 page  
BM6201FS
Datasheet
6) Fault signal output
When the gate driver detects the either state that should be protected, voltage monitor (UVLO), overheating (TSD) or
overcurrent (OCP), the FOB pin outputs low (open drain). When these are detected with either of the gate driver chip
because the FOB pin is wired-OR connection with each phase gate driver chip internally, another phase also entering the
protection operation. Even when this function is not used, the FOB pin is pull-up to the voltage of 3V or more and at least
the resistor 10kΩ or more. Moreover, the signal from the outside of the chip is not passed built-in analog filter, but the
internal control signals (UVLO / TSD / OCP) passes the filter (2.0µs Min.) for the malfunction prevention by the switching
noise etc.
TSD
OCP
UVLO
FILTER
FOB
SHUTDOWN
FAULT
Fig.7 Fault signal bi-directional input pin interface
The release time of return from the protection operation can be change to insert the external capacitor. Refer to the
formula to the below. 2ms or more is recommended.
t = - ln ( 1 -
2.0
VPU
) · R · C [s]
10
9
8 VPU = 5V
VPU
7
6 VPU = 15V
R
FOB
5
4
3
2
C1
0
0.01
0.1
1
Capacitance: C [µF]
Fig.8 Release time setting application circuit
Fig.9 Release time (reference data @R=100kΩ)
When using controller BD6201X series as a control IC, since the external fault signal input pin of the side of the control
IC has the internal pull-up resistor, it can be directly linked with FOB pin. Refer to figure 10.
BD6201XFS
BM6201FS
VREG
100k
FIB FOB
C
Fig.10 Interface equivalent circuit
http://www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 · 15 · 001
5/19
TSZ02201-0828AB400010-1-2
26.MAR.2012 Rev.001
5 Page 
BM6201FS
Typical performance curves (Reference data) - Continued
Datasheet
20
15
10
5
0
100 110 120 130 140 150 160 170 180
Junction Temperature : Tj [°C]
Fig.20 Thermal shut down
8
6
4
2
0
-25
TSD
UVLO
OCP
0 25 50 75 100
Junction Temperature : Tj [°C]
125
Fig.21 Noise masking time
200
150
100
ON
OFF
50
0
-25
0 25 50 75 100
Junction Temperature : Tj [°C]
125
Fig.22 External fault input propagation delay
(FOB)
1.0
0.8
0.6
0.4
0.2
0.0
0
125°C
25°C
-25°C
2468
Output Current : IFOB [mA]
10
Fig.23 Fault output on resistance
http://www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 · 15 · 001
11/19
TSZ02201-0828AB400010-1-2
26.MAR.2012 Rev.001
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet BM6201FS.PDF ] | |
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