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Rohm Semiconductor Electronic Components Datasheet

BM6206FS Datasheet

3-Phase Brushless Fan Motor Driver

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For Air-Conditioner Fan Motor
3-Phase Brushless Fan Motor
Driver
BM6206FS
General Description
This motor driver IC adopts PrestoMOS™ as the output
transistor, and put in a small full molding package with
the 150° commutation controller chip and the high
voltage gate driver chip. The protection circuits for
overcurrent, overheating, under voltage lock out and the
high voltage bootstrap diode with current regulation are
built-in. It provides optimum motor drive system and
downsizing the built-in PCB of the motor.
Features
600V PrestoMOS™ built-in
Output current 1.5A
Bootstrap operation by floating high side driver
(including diode)
150° commutation logic
PWM control (Upper arm switching)
Phase control supported from 0° to +30° at 1°
intervals
Rotational direction switch
FG signal output with pulse number switch (4 or 12)
VREG output (5V/30mA)
Protection circuits provided: CL, OCP, TSD, UVLO,
MLP and the external fault input
Fault output (open drain)
Applications
Air conditioners; air purifiers; water pumps;
dishwashers; washing machines
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: 2.7(Typ)
Duty Control Voltage Range:
2.1V to 5.4V
Phase Control Range:
0° to +30°
Operating Case Temperature: -20°C to +100°C
Junction Temperature:
+150°C
Power Dissipation:
3.00W
Package
SSOP-A54_36
W (Typ) x D (Typ) x H (Max)
22.0 mm x 14.1 mm x 2.4 mm
SSOP-A54_36
Typical Application Circuit
VDC
GND
VCC
VSP
R1
C1
C2~C4
D1 C5 C6
C13
C7
C8
M
FG
HW HV HU
R2
C11
R3
Q1
DTR
VREG
R11 R9 R13
R4
R6 R5 C10 R12 R10 C14
R8
C12
Figure 1. Application Circuit Example
C9
R7
Product structure : Semiconductor IC This product is not designed protection against radioactive rays
.http://www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 · 14 · 001
1/27
TSZ02201-0828AB400150-1-2
24.Dec.2014 Rev.001


Rohm Semiconductor Electronic Components Datasheet

BM6206FS Datasheet

3-Phase Brushless Fan Motor Driver

No Preview Available !

BM6206FS
Block Diagram and Pin Configuration
VCC
1
VCC
5
VSP
6
VSP
VREG
7
VREG
HWN
9
HW HWP
10
HVN
11
HV HVP
12
HUN
13
HU HUP
14
PCT
15
V/I
VREG
FAULT
PC
16
VREG
CCW
17
FGS
18
FG
19
FOB
20
TEST
VREG
5
A/D
VREG
FIB
FAULT
SNS
21
TEST
VREG
UH
UL
LEVEL
SHIFT
&
GATE
DRIVER
LOGIC VH
VL
LEVEL
SHIFT
&
GATE
DRIVER
WH
WL
PWM
LEVEL
SHIFT
&
GATE
DRIVER
VSP
OSC
VDC
36
BU
35
U
34
BV
33
V
32
M
31 VDC
BW
30
W
29
PGND
28
GND
26
GND
24
RT
23
VCC
GND
GND
GND
VCC
VSP
VREG
NC
HWN
HWP
HVN
HVP
HUN
HUP
PCT
PC
CCW
FGS
FG
FOB
SNS
NC
RT
GND
GND
GND
VCC
Datasheet
VDC
BU
U
BV
V
VDC
BW
W
PGND
Figure 2. Block Diagram
Pin Descriptions (NC: No Connection)
Figure 3. Pin Configuration
(Top View)
Pin Name
Function
Pin Name
Function
1
VCC
Low voltage power supply
36
VDC
High voltage power supply
2
GND
Ground
- VDC
3
GND
Ground
4
GND
Ground
5
VCC
Low voltage power supply
35 BU Phase U floating power supply
6
VSP
Duty control voltage input pin
-
U
7 VREG Regulator output
34 U Phase U output
8 NC
9
HWN
Hall input pin phase W-
10
HWP
Hall input pin phase W+
33 BV Phase V floating power supply
11
HVN
Hall input pin phase V-
-V
12
HVP
Hall input pin phase V+
32 V Phase V output
13
HUN
Hall input pin phase U-
14
HUP
Hall input pin phase U+
15
PCT
VSP offset voltage output pin
16 PC Phase control input pin
- VDC
17
CCW
Direction switch (H:CCW)
31
VDC
High voltage power supply
18
FGS
FG pulse # switch (H:12, L:4)
19 FG FG signal output
20
FOB
Fault signal output (open drain)
21
SNS
Over current sense pin
30 BW Phase W floating power supply
22 NC
-W
23 RT Carrier frequency setting pin 29 W Phase W output
24
GND
Ground
25
GND
Ground
26
GND
Ground
- PGND
27
VCC
Low voltage power supply
28 PGND Ground (current sense pin)
Note) All pin cut surfaces visible from the side of package are no connected, except the pin number is expressed as a “-”.
http://www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 · 15 · 001
2/27
TSZ02201-0828AB400150-1-2
24.Dec.2014 Rev.001


Part Number BM6206FS
Description 3-Phase Brushless Fan Motor Driver
Maker ROHM
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BM6206FS Datasheet PDF






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