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Toshiba Electronic Components Datasheet

TB6633AFNG Datasheet

3-Phase Full-Wave PWM Driver

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TOSHIBA Bi-CD Integrated Circuit Silicon Monolithic
TB6633AFNG
3-Phase Full-Wave PWM Driver for Sensorless DC Motors
TB6633AFNG
The TB6633AFNG is a three-phase full-wave PWM driver for
sensorless brushless DC (BLDC) motors. It controls motor
rotation speed by changing the PWM duty cycle, based on the
voltage of an analog control input.
Features
Sensorless drive in three-phase full-wave mode
PWM chopper control
Controls the PWM duty cycle based on an analog input
(7-bit ADC)
Weight: 0.136 g (typ.)
Output current: IOUT = 0.6 A typ. (1 A max)
Power supply: VM = 4.5 V to 22 V (25 V max)
Forward and reverse rotation
Lead angle control (0°, 15° and 30°)
Overlapping commutation (120°, 135° and 150°)
Selectable duty cycle modulation period upon state transitions of phase signals
Rotation speed detecting signal (FG_OUT)
TB6633FNG:3 pulses per electrical degree
TB6633AFNG:1 pulses per electrical degree
Adjustable startup settings
Forced commutation frequency control (fosc / (6 × 217), fosc / (6 × 218) and fosc / (6 × 219))
Selectable PWM frequency
Restart feature
Overcurrent protection (ISD)
Thermal shutdown (TSD)
Undervoltage lockout (LVD)
Current limiter
Short brake control
Note : 8 pin (IR) of this product is sensitive to electrostatic discharge. When handling this product, protect the
environment to avoid electrostatic discharge.
1
© 2014 TOSHIBA Corporation
2015-9-15


Toshiba Electronic Components Datasheet

TB6633AFNG Datasheet

3-Phase Full-Wave PWM Driver

No Preview Available !

Pin Assignment
VM 1
FPWM 2
CW_CCW 3
SEL_LAP 4
U5
V6
W7
IR 8
PGND 9
OC 10
COM 11
SGND 12
TB6633AFNG
24 VREF
23 SLOP
22 LA
21 FST
20 TRE
19 TIP
18 VST
17 VSP
16 OSC_R
15 OSC_C
14 BRAKE
13 FG_OUT
2
2015-9-15



Part Number TB6633AFNG
Description 3-Phase Full-Wave PWM Driver
Maker Toshiba
Total Page 3 Pages
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