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BD62014AFS PDF даташит

Спецификация BD62014AFS изготовлена ​​​​«ROHM Semiconductor» и имеет функцию, называемую «3-Phase Brushless Fan Motor Controller».

Детали детали

Номер произв BD62014AFS
Описание 3-Phase Brushless Fan Motor Controller
Производители ROHM Semiconductor
логотип ROHM Semiconductor логотип 

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BD62014AFS Даташит, Описание, Даташиты
For air-conditioner fan motor
3-Phase Brushless Fan Motor
Controller
BD62014AFS
General Description
This controller synthesizes the optimal driving signal
from hall sensor signals, and outputs the synthesized
signal to control the external level shifter and power
transistor. The replacement is also easy because of its
pin compatibility with BD62011AFS and BD62012AFS.
This controller provides optimum motor drive for a wide
variety of applications, and enables motor unit
standardization.
Features
180° sinusoidal commutation logic
PWM control (Upper and lower arm switching)
Phase control supported from 0° to +40° at 1°
intervals
Rotational direction switch
FG signal output with pulse number switch (4 or 12)
VREG output (5V/30mA)
Protection circuits provided: OCP, TSD, UVLO, MLP
and the external fault input (FIB)
Applications
Air conditioners; air cleaners; water pumps;
dishwashers; washing machines
General OA equipment
Key Specifications
Supply voltage range:
Duty control voltage range:
Phase control range:
Operating temperature:
Junction Temperature:
Power dissipation:
10V to 18V
1.1V to 4.4V
0° to 40°
-40°C to 110°C
+150°C
1.0W
Package
SSOP-A24
W (Typ.) x D (Typ.) x H (Max.)
10.00 mm x 7.80 mm x 2.10 mm
SSOP-A24
Typical Application Circuit
FG
VSP
R1
C1
VREG
R8 R9
Q1
DTR BBDD6622001144AFFSS
C2~C4
C14
HW HV HU
R2
VREG
C11
VCC
GND
C10 R5 R4
VDC
C5
R3
D1
C6
BM6202FS
R7
C12
C13
C7
C8
M
C9
R6
Figure 1. Application circuit example - BD62014AFS & BM6202FS
Product structure : Silicon monolithic integrated circuit
.http://www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111 · 14 · 001
This product is not designed protection against radioactive rays
1/20
TSZ02201-0828ABB00340-1-2
03.JUN.2016 Rev.002









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BD62014AFS Даташит, Описание, Даташиты
BD62014AFS
Block Diagram and Pin Configuration
VREG
HU
HV
HW
TSD
HUP
HUN
HVP
HVN
HWP
HWN
21
20
19
18
17
16
UVLO
LOGIC
VCC
3
VREG
VREG
VREG
22
DRIVER
UH
10
UL
9
VH
8
VL
7
WH
6
WL
5
VDC
M
FG 14
3
6 3 FILTER
PC
23
PCT
24
+ A/D
V/I
SINUSOIDAL
WAVE GENE.
VSP
15
TEST
OSC
RCL
4
13 FGS
12 CCW
FIB
11
RT
2
FAULT
1
GND
Figure 2. Block diagram
Datasheet
GND
RT
VCC
RCL
WL
WH
VL
VH
UL
UH
FIB
CCW
PCT
PC
VREG
HUP
HUN
HVP
HVN
HWP
HWN
VSP
FG
FGS
Figure 3. Pin configuration
Pin Descriptions
Pin Name
1 GND
2 RT
3 VCC
4 RCL
5 WL
6 WH
7 VL
8 VH
9 UL
10 UH
11 FIB
12 CCW
Function
Signal ground
Carrier frequency setting pin
Power supply
Over current sense pin
Low side driver output phase W
High side driver output phase W
Low side driver output phase V
High side driver output phase V
Low side driver output phase U
High side driver output phase U
External fault input (Low active)
Direction switch (H:CCW)
Pin
24
23
22
21
20
19
18
17
16
15
14
13
Name
PCT
PC
VREG
HUP
HUN
HVP
HVN
HWP
HWN
VSP
FG
FGS
Function
VSP offset voltage output pin
Phase control input pin
Regulator output
Hall input pin phase U+
Hall input pin phase U-
Hall input pin phase V+
Hall input pin phase V-
Hall input pin phase W+
Hall input pin phase W-
Duty control voltage input pin
FG signal output
FG pulse # switch (H:12, L:4)
http://www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111 · 15 · 001
2/20
TSZ02201-0828ABB00340-1-2
03.JUN.2016 Rev.002









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BD62014AFS Даташит, Описание, Даташиты
BD62014AFS
Datasheet
Functional Descriptions
1) Commutation logic
When the hall cycle is about 5-Hz or less (e.g. when the motor starts up), the commutation mode is 120° square wave
drive with upper and lower switching (no lead angle). The controller monitors the hall cycle, and switches to 180°
sinusoidal commutation drive when the hall cycle reaches or exceeds about 5-Hz over four consecutive cycles. Refer to
the timing charts in figures 7 and 8.
Table 1. 120° commutation (Six-state) truth table (CW)
HU HV HW UH VH WH UL VL WL
H L H L PWM L H PWM L--------------------
H L L L L PWM H L PWM--------------------
H H L L L PWM L H PWM--------------------
L H L PWM L L PWM H L--------------------
L H H PWM L L PWM L H--------------------
L L H L PWM L L PWM H--------------------
2) Duty control
The switching duty can be controlled by forcing DC voltage with value from VSPMIN to VSPMAX to the VSP pin. When the
VSP voltage is higher than VSPTST, the controller forces PC pin voltage to ground (Testing mode, maximum duty and no
lead angle). The VSP pin is pulled down internally by a 200 kresistor. Therefore, note the impedance when setting the
VSP voltage with a resistance voltage divider.
3) Carrier frequency setting
The carrier frequency setting can be freely adjusted by connecting an external
resistor between the RT pin and ground. The RT pin is biased to a constant
voltage, which determines the charge current to the internal capacitor. Carrier
frequencies can be set within a range from about 16 kHz to 50 kHz. Refer to
the formula to the right.
FOSC [kHz] =
400
RT [k]
4) FG signal output
The number of FG output pulses can be switched in accordance with the number
of poles and the rotational speed of the motor. The FG signal is output from the FG
pin. The 12-pulse signal is generated from the three hall signals (exclusive NOR),
and the 4-pulse signal is the same as hall U signal. It is recommended to pull up
FGS pin to VREG voltage when malfunctioning because of the noise.
FGS
H
L
No. of pulse
12
4
5) Direction of motor rotation setting
The direction of rotation may be switched by the CCW pin. When CCW pin is “H”
or open, the motor rotates at CCW direction. When the real direction is different
from the setting, the commutation mode is 120° square wave drive (no lead angle).
It is recommended to pull up CCW pin to VREG voltage when malfunctioning
because of the noise.
CCW
H
L
Direction
CCW
CW
6) Hall signal comparator
The hall comparator provides voltage hysteresis to prevent noise malfunctions. The bias current to the hall elements
should be set to the input voltage amplitude from the element, at a value higher than the minimum input voltage, VHALLMIN.
We recommend connecting a ceramic capacitor with value from 100 pF to 0.01 µF, between the differential input pins of
the hall comparator. Note that the bias to hall elements must be set within the common mode input voltage range
VHALLCM.
http://www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111 · 15 · 001
3/20
TSZ02201-0828ABB00340-1-2
03.JUN.2016 Rev.002










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Номер в каталогеОписаниеПроизводители
BD62014AFS3-Phase Brushless Fan Motor ControllerROHM Semiconductor
ROHM Semiconductor

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