2-11
BVW-55
IC
AV9173-15CS08T (ICS)
BA6285FP-E2 (ROHM)
1
2
3
4
5
6
OUT2
RNF
IN
NC
NC
NC
NC
7
8
9
10
11
12
OUT1
GND
NC
NC
NC
NC
24
23
22
21
20
19
VREF
IN
RIN
IN
NC
NC
NC
NC
18
17
16
15
14
13
POWER SAVE
IN
FIN
IN
VM
IN
17
19
18
6
FIN
RIN
POWER SAVE
RNF
15
8
5
VM
OUT1
OUT2
FIN
H
L
H
L
RIN
L
H
H
L
OUT2
L
H
L
OPEN
OUT1
H
L
L
OPEN
MODE
NORMAL MODE
REVERSE MODE
BRAKE MODE
STAND BY MODE
INPUT
FIN
POWER SAVE
RIN
RNF
VREF
VM
OUTPUT
OUT1, OUT2
: MODE SELECTION
: POWER SAVE SWITCH
: MODE SELECTION
: OUTPUT BLOCK GROUND
OUTPUT CURRENT DETECTION
RESISTOR CONNECTION
: REFERENCE VOLTAGE SETTING
: POWER SUPPLY FOR MOTOR
: MOTOR DRIVE SIGNAL
—TOP VIEW—
BIPOLA POSSIBLE REVERSE MOTOR DRIVER
V
CC
NC
NC
15
16
VM
V
CC
19
RIN
8
OUT1
DRIVER
DRIVER
18
POWER
SAVE
17
FIN
20
VREF
7
6
GND
RNF
5
OUT2
ISO
CONTROL
LOGIC
POWER
SAVE
INPUTS
IN
FBIN
FS0
OE
OUTPUTS
CLK1, CLK2
PHASE
DETECTOR
CHARGE
PUMP
VCO
LOOP
FILTER
OUTPUT
BUFFER
VCO
DIVIDE
1 or 4
OUTPUT
BUFFER
FBIN
IN
FS0
OE
CLK1
CLK2
2
1
4
5
6
8
÷2
: INPUT FOR REFERENCE SYNC PULSE
: FEEDBACK
: FREQUENCY SELECT 0
: OUTPUT ENABLE
: CLOCK 1, 2
FBIN
IN
GND
FS0
1
2
3
4
8
7
6
5
CLK2
V
DD
CLK1
OE
CLOCK GENERATOR
—TOP VIEW—
2
1
4
5
6
8
FBIN
CLK1
IN
FS0
OE
CLK2
BA6444FP (ROHM)
BA6444FP-E2
THREE-PHASE MOTOR DRIVER
—TOP VIEW—
RCC
IN
ED/S
IN
BRK
IN
ECGND (GND)
A1
OUT
A2
OUT
RNF (GND)
VM
IN
A3
OUT
EC
IN
ECR
IN
TL
IN
PCI
IN
PCV
IN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PCH
IN
H1
+
IN
H1
_
IN
H2
+
IN
H2
_
IN
H3
+
IN
H3
_
IN
GND
AMP
+
IN
AMP
_
IN
AMP
OUT
HYSI
IN
HYSO
OUT
V
CC
FIN (GND)
FIN (GND)
2
28
8
27
26
25
24
23
22
3
20
19
17
10
11
12
1
ED/S
PCH
VM
H1
+
H1
_
H2
+
H2
_
H3
+
H3
_
BRK
AMP
+
AMP
_
HYSI
EC
ECR
TL
RCC
5
6
9
7
18
16
4
A1
A2
A3
RNF
AMP
HYSO
ECGND
PCI
13
PCV
14
INPUTS
AMP
+
AMP
_
BRK
EC
ECR
ED/S
H1
+
- H3
+
H1
_
- H3
_
HYSI
PCH
PCI
PCV
RCC
TL
VM
OUTPUTS
A1 - A3
AMP
HYSO
OTHERS
ECGND
RNF
: NON-INVERTING INPUT OF AMPLIFIER
: INVERTING INPUT OF AMPLIFIER
: BRAKE
: TORQUE COMMAND VOLTAGE
: TORQUE COMMAND REFERENCE VOLTAGE
: MOTOR ROTATING DIRECTION CONTROL
: HOLE SIGNAL
: HOLE SIGNAL
: SCHMITT AMPLIFIER
: HOLE AMPLIFIER PHASE COMPENSATION CAPACITOR
: PHASE COMPENSATION CAPACITOR FOR LOWER SATURATION
: PHASE COMPENSATION CAPACITOR FOR UPPER SATURATION
: RIPPLE CANCEL CONTROL
: TORQUE LIMIT
: MOTOR POWER
: MOTOR DRIVE
: AMPLIFIER
: SCHMITT AMPLIFIER
: TORQUE AMPLIFIER GROUND
: MOTOR GROUND/CURRENT DETECT
+
_
+
_
+
_
+
_
AGC
ROTATION
DIRECTION
CONTROLLER
ED/S
PCH
H1
+
H1
_
H2
+
H2
_
H3
+
H3
_
BRK
RCC
EC
ECR
TL
AMP
+
AMP
_
18
17
2
28
27
26
25
24
23
22
3
1
10
11
12
20
19
RIPPLE
CANCELLER
TSD
V
REF
LATCH-UP
PROTECTOR
HYSO
PCI
16
13
PCV
14
RNF
7
A3
9
A2
6
A1
5
VM
8
TL
AMP
ADDER
ROTATION DIRECTION CONTROLLER
BRAKE
CONTROL
HYSI
AMP
ECGND
4
Summary of Contents for BVW-55
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