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Toshiba Electronic Components Datasheet

TB67B008CFTG Datasheet

Sensorless PWM Driver

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TB67B008 series
TOSHIBA Bi-CD Integrated Circuit Silicon Monolithic
TB67B008FTG, TB67B008FNG
TB67B008AFTG, TB67B008AFNG
TB67B008BFTG, TB67B008BFNG
TB67B008CFTG, TB67B008CFNG
Sensorless PWM Driver for 3-Phase Brushless
Motors
The TB67B008 series is a three-phase PWM chopper control
driver for sensorless brushless motor. It controls motor rotation
speed by changing the PWM duty cycle, based on the speed
control input.
TB67B008FTG/TB67B008FNG: Rotation speed detecting signal
(FG_OUT) is assigned to 8pin and 23pin. It is 1ppr (1 pulse/1
electrical angle).
TB67B008AFTG/TB67B008AFNG: Lock detecting signal
(LD_OUT) is assigned to 8 pin and 23 pin. It is high level in
normal state and low level in abnormal state.
TB67B008BFTG/TB67B008BFNG: Rotation speed detecting
signal (FG_OUT) is assigned to 8pin and 23pin. It is 3ppr (3
pulses/1 electrical angle).
TB67B008CFTG/TB67B008CFNG: Lock detecting signal
(LD_OUT) is assigned to 8 pin and 23 pin. It is low level in normal
state and high level in abnormal state.
The TB67B008FTG, TB67B008AFTG, TB67B008BFTG, and
TB67B008CFTG is a product of WQFN24 package.
The TB67B008FNG, TB67B008AFNG, TB67B008BFNG, and
TB67B008CFNG is a product of SSOP24 package.
Products can be selected as usage.
Features
P-WQFN24-0404-0.50-004
Weight: 0.04 g (typ.)
Sensorless drive in three-phase full-wave
PWM chopper control
SSOP24-P-300-0.65A
Control based on the pulse duty input
Output current: Absolute maximum rating: 3 A
Weight: 0.13 g (typ.)
Power supply: Absolute maximum rating: 25 V
Adjustable output PWM duty cycle
Selectable lead angle control function
Soft switching is available in overlapping commutation (150°)
Rotation speed detecting signal (FG_OUT): 1 ppr: TB67B008FTG (8 pin)/TB67B008FNG (23 pin)
Lock detecting signal (LD_OUT): High in normal : Low in abnormal: TB67B008AFTG (8 pin) /
TB67B008AFNG (23 pin)
Rotation speed detecting signal (FG_OUT): 3 ppr: TB67B008BFTG (8pin)/TB67B008BFNG (23 pin)
Lock detecting signal (LD_OUT): Low in normal: High in abnormal: TB67B008CFTG (8 pin) /
TB67B008CFNG (23 pin)
Adjustable startup settings
Selectable forced commutation frequency control function
Selectable PWM frequency
Restart function
Over current detection circuit (ISD)
Thermal shutdown circuit (TSD)
Under voltage lock circuit (UVLO)
Current limiter circuit
© 2014-2019
1
Toshiba Electronic Devices & Storage Corporation
2019-03-18


Toshiba Electronic Components Datasheet

TB67B008CFTG Datasheet

Sensorless PWM Driver

No Preview Available !

Pin Assignment
• TB67B008FTG/TB67B008AFTG/TB67B008BFTG/TB67B008CFTG
<Top View>
TB67B008 series
18 17 16 15 14 13
SEL_ADJ 19
FST 20
TSTEP 21
TIP 22
TRE 23
GND 24
E-PAD
12 ADJ0
11 TSP
10 LA
9 FPWM
8 FG_OUT/LD_OUT
7 VM
1 2 34 5 6
Note: Design the pattern in consideration of the heat design because the back side (E-PAD (2.6 mm×2.6 mm)) has
the role of heat radiation. (A metal on the back side of a package (E-PAD) should be connected to GND because
it is connected to the back of the chip in the package electrically.)
• TB67B008FNG/TB67B008AFNG/TB67B008BFNG/TB67B008CFNG
<Top View>
LA 1
TSP 2
ADJ0 3
ADJ1 4
ADJ2 5
VREG 6
OSCCR 7
GND 8
VST 9
SEL_ADJ 10
FST 11
TSTEP 12
24 FPWM
23 FG_OUT/LD_OUT
22 VM
21 TEST
20 W
19 V
18 RS
17 U
16 COM
15 GND
14 TRE
13 TIP
2
2019-03-18



Part Number TB67B008CFTG
Description Sensorless PWM Driver
Maker Toshiba
Total Page 3 Pages
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TB67B008CFTG Datasheet PDF





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