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PDF TB67S145FTG Data sheet ( Hoja de datos )
| Número de pieza | TB67S145FTG | |
| Descripción | Serial controlled unipolar stepping motor driver | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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TB67S145FTG
Toshiba BiCD Process Integrated Circuit Silicon Monolithic
TB67S145FTG
Serial controlled unipolar stepping motor driver
The TB67S145 is a serial controlled PWM chopping type, 2 phase
unipolar stepping motor driver. Using the BiCD process, the TB67S
145 can be operated with VM voltage of 45V, output voltage of
84V, and output current of 3.0A at max (absolute maximum ratings).
FTG
P-WQFN48-0707-0.50-003
Weight: 0.1 g (Typ.)
Features
・BiCD process monolithic integrated circuit.
・Capable of operating one unipolar stepping motor
・PWM controlled constant current drive
・Full, half step resolution
・Low on resistance (0.25Ω(Typ.)) output MOSFET
・High voltage and current (for specification, please refer to the absolute maximum ratings and operation ranges).
・Brake mode function
・Standby (low power) mode function
・4 bit-16 setting torque adjust function
・Serial to parallel convert circuit (8bit shift register) built in.
・Capable of 3 line logic (Data/Clock/Latch signal) output function (controllable by cascade connection)
・Error detect feedback signal output function (Over current/Thermal shutdown).
・Error detect function (Thermal shutdown(TSD), Over current(ISD), and Low voltage(POR).
・Built-in VCC regulator for internal circuit use.
・Fixed off time can be adjusted by external components.
Note) Please be careful about the thermal conditions during use.
©2014 TOSHIBA CORPORATION
1
2014-10-30
1 page  
Pin explanations
TB67S145FTG (WQFN48)
Pin No.1 to 28
Pin No.
Pin Name
1 NC Non connection
2 NC Non connection
3
CLR
Serial register clear pin
4 NC Non connection
5
GATE
Register gate pin
6 STANDBY Standby control pin
7
BRAKE
Brake control pin
8
GND
Ground pin
9 NC Non connection
10 NC Non connection
11 NC Non connection
12 NC Non connection
13
OUTA+
Motor output A+ pin
14
OUTA+
Motor output A+ pin
15 RSGNDA Ach current sense ground pin
16 RSGNDA Ach current sense ground pin
17
OUTA-
Motor output A-pin
18
OUTA-
Motor output A-pin
19
OUTB-
Motor output B-pin
20
OUTB-
Motor output B-pin
21 RSGNDB Bch current sense ground pin
22 RSGNDB Bch current sense ground pin
23
OUTB+
Motor output B+ pin
24
OUTB+
Motor output B+ pin
25 NC Non connection
26
VCOM
Common pin
27
VCOM
Common pin
28 NC Non connection
Function
TB67S145FTG
5 2014-10-30
5 Page 
TB67S145FTG
・Truth table
DATA
X
CLOCK
X
Input
CLR LATCH
XX
XXX X
XX L X
L↑H X
H↑H X
X↓
XX
XX
X: Don’t care
H
H
H
X
↑
↓
・Logic signal explanation
GATE
H
L
X
X
X
X
X
X
Function
PHASEA,PHASEB,ENABLEA,ENABLEB,TRQ1,TRQ2,TRQ3,TRQ4
data = disable.
PHASEA,PHASEB,ENABLEA,ENABLEB,TRQ1,TRQ2,TRQ3,TRQ4
data = enable
Shift register and storage register is initialized
The first data of the shift register is L, and the other register will be stored
with the data before.
The first data of the shift register is H, and the other register will be stored
with the data before.
The shift register data will maintain its status. The data after the shift
register(Qh) will be output from D_OUT pin.
Shift register data will be stored to the storage register.
The storage register data will maintain its status.
Internal
signal
ENABLE
PHASE
STANDBY
High
Low
Notes
OUTPUT: ON
OUTPUT: OFF
OUTX＋: ON
OUTX＋: OFF(Hi-Z)
OUTX－: OFF(Hi-Z) OUTX－: ON
Motor operational IC all functions off
High: The corresponding channel’s OUTPUT will be ON
Low: The corresponding channel’s OUTPUT will be OFF(Hi-Z)
High: Current flows through VM-OUT(+) coil during charge status.
Low: Current flows through VM-OUT(-) coil during charge status.
The internal oscillator as well as motor output will stop when
STANDBY is set to Low. (The motor cannot be operated.)
TRQ function current ratio
TRQ1
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
TRQ2
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
TRQ3
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
TRQ4 (MSB)
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
Current ratio (%)
0
5
10
15
25
29
38
43
52
60
67
74
80
86
94
100
11 2014-10-30
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet TB67S145FTG.PDF ] | |
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