TB6634FNG Datasheet, PDF (25/29 Pages) Toshiba Semiconductor – 3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller

Application Circuit Example
OSC/C
OSC/R
HUP
HUM
HVP
HVM
HWP
HWM
V_SP
V_CC
To Hall sensors or
pull-up power supply
GND
V_refout
MCU
RES
I_dc
CW/CCW
FGC
FG
Vdc
TR
G = 1 + (R2/R1)
R2
(100 kΩ)
G_in
G_out
PH
LPF/LA
V_refout
UL
Peak hold _{+ Lowpass}
filter
Upper limit
System clock
generator
Position
estimation
5-bit ADC
Counter
Voltage
regulator
Internal
ref.
voltage
Phase
alignment
Power-on
reset
FG Rotation
diection
Protection
&
Reset
ST/SP
CW/CCW
ERR
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
2 bit AD &
Over voltage
detection
Restrained
detection
Dead
time
control
TB6634FNG
U
X
V
M
Y
Power device
W
Z
(Note 1)
Hall sensor signals
Note 1:
Note 2:
Note 3:
Connect to ground as necessary to prevent IC malfunction due to noise.
Connect GND to signal ground on the application circuit.
Utmost care is required in the design of the output, V_CC, and GND lines since the IC may shatter or explode due to short-circuits between outputs, short to V_CC or short to ground.
The IC may also shatter or explode when it is installed in a wrong orientation.
25
2015-4-3