tb6548f TOSHIBA Semiconductor CORPORATION, tb6548f Datasheet - Page 2

• Manufacturer Part Number: tb6548f
• Description: Three-phase Full-wave Pwm Sensorless Controller For Brushless Dc Motors
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Block Diagram
Pin Assignment
CW_CCW
SEL_LAP
PWM
LA0
LA1
3
8
4
1
2
Setting Circuit
PWM Control
X
10
Lead Angle
Instruction
Generator
T
Rotation
Circuit
Circuit
Clock
CW_CCW
SEL_LAP
FG_OUT
X
PWM
11
GND
Tin
X
LA0
LA1
NC
NC
NC
Tin
X
T
8
9
10
11
12
1
2
3
4
5
6
7
Control
Timing
GND
V
13
12
2
DD
24
23
22
21
20
19
18
17
16
15
14
13
OUT_VP
NC
OUT_UN
OUT_UP
V
WAVE
OC
OUT_WN
OUT_WP
NC
OUT_VN
NC
DD
Forming Circuit
Turn-on Signal
Overcurrent
Protection
Detection
FG_OUT
Position
Circuit
Circuit
6
14
17
21
15
19
22
23
24
OUT_UP
OUT_VP
OUT_WP
OUT_UN
OUT_VN
OUT_WN
OC
WAVE
2001-08-28
TB6548F