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Toshiba Electronic Components Datasheet

TB6631FNG Datasheet

3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller

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TB6631FNG pdf
TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
TB6631FNG
3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller
TB6631FNG
The TB6631FNG is designed for motor fan applications for three-phase brushless DC motors.
Features
Sine-wave PWM control
Triangular-wave generator
(with a carrier frequency of fosc/252 Hz)
Lead angle control (0° to 58° in 32 separate steps)
Automatic internal control by FG frequency
Current-limiting input pin
Voltage regulator (Vrefout = 5 V (typ.), 30 mA (max))
Operating supply voltage range: VCC = 7 V to 16.5 V
Weight: 0.17 g (typ.)
© 2015 TOSHIBA Corporation
1
2015-10-08


Toshiba Electronic Components Datasheet

TB6631FNG Datasheet

3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller

No Preview Available !

TB6631FNG pdf
Block Diagram
TB6631FNG
FV/C FV/R FVout
18 17 15
LA UL
13 14
OSC/C 1
OSC/R 2
HUP 3
HUM 4
HVP 5
HVM 6
HWP 7
HWM 8
VSP 12
VCC 20
GND 9
Vrefout 22
RES 10
IDC 19
CW/CCW 11
FG 29
REV 30
F/V
Square voltage
generator
Upper limit
System clock
generator
Position
estimation
5-bit ADC
Counter
Voltage
regulator
Internal
ref.
voltage
Phase
alignment
Power-on
reset
FG Rotation
direction
ST/SP
CW/CCW
Protection
& ERR
Reset GB
Output
waveform
generator
6-bit triangular
wave generator
U
Data V
selector
W
Comparator
Comparator
Comparator
Comparator
120/180
Charger
PWM
HU
HV 120°
HW commutation
matrix
120/180
select
&
Gate
block
Dead
time
control
23 U
26 X
24 V
27 Y
25 W
28 Z
16 TEST1
21 TEST2
In the above block diagram, part of the functional blocks or constants may be omitted or simplified for explanatory purposes.
2 2015-10-08


Part Number TB6631FNG
Description 3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller
Maker Toshiba
Total Page 28 Pages
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