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PDF TB67S103AFNG Data sheet ( Hoja de datos )
| Número de pieza | TB67S103AFNG | |
| Descripción | Serial-in controlled Bipolar Stepping Motor Driver | |
| Fabricantes | Toshiba | |
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TB67S103AFTG/FNG
TOSHIBA BiCD Integrated Circuit Silicon Monolithic
TB67S103AFTG, TB67S103AFNG
Serial-in controlled Bipolar Stepping Motor Driver
The TB67S103A is a two-phase bipolar stepping motor driver
using a PWM chopper. The data bank setting function by serial
control I/F is built in.Fabricated with the BiCD process,
rating is 50 V/4.0 A .
Features
・BiCD process integrated monolithic IC.
・Capable of controlling 1 bipolar stepping motor.
・PWM controlled constant-current drive.
・Allows full, half, quarter, 1/8, 1/16, 1/32 step operation.
・ID (2 bits) setup is possible.
・Low on-resistance (High + Low side=0.49Ω(typ)) MOSFET
output stage.
・High efficiency motor current control mechanism (Advanced
Dynamic Mixed Decay)
・High voltage and current (For specification, please refer to absolute
maximum ratings and operation ranges)
・Error detection (TSD/ISD) signal output function
・Built-in error detection circuits (Thermal shutdown (TSD)、over-current
shutdown (ISD), and power-on reset (POR))
・Built-in VCC regulator for internal circuit use.
・Chopping frequency of a motor can be customized by external resistance
and condenser.
・Multi package lineup
TB67S103AFTG: P-WQFN48-0707-0.50-003
TB67S103AFNG: HTSSOP48-P-300-0.50
Note) Please be careful about thermal conditions during use.
FTG
P-WQFN48-0707-0.50-003
Weight 0.10g (typ.)
FNG
HTSSOP48-P-300-0.50
Weight 0.21g (typ.)
1 2014-01-27
1 page  
TB67S103AFTG/FNG
Pin explanations
TB67S103AFTG (QFN48)
Pin No.1 – 28
Pin No.
Pin Name
Function
1 NC Non-connection pin
2 CLK CLK signal input pin
3 ENABLE Ach/Bch output stage ON/OFF control pin
4
RESET
Electric angle reset pin
5
GND
Ground pin
6 NC Non-connection pin
7
RSA (*)
Motor Ach current sense pin
8
RSA (*)
Motor Ach current sense pin
9 NC Non-connection pin
10 OUTA+ (*) Motor Ach (+) output pin
11 OUTA+ (*) Motor Ach (+) output pin
12 NC Non-connection pin
13 NC Non-connection pin
14 NC Non-connection pin
15
GND
Ground pin
16 OUTA- (*) Motor Ach (-) output pin
17 OUTA- (*) Motor Ach (-) output pin
18
GND
Ground pin
19
GND
Ground pin
20 OUTB- (*) Motor Bch (-) output pin
21 OUTB- (*) Motor Bch (-) output pin
22
GND
Ground pin
23 NC Non-connection pin
24 NC Non-connection pin
25 NC Non-connection pin
26 OUTB+ (*) Motor Bch (+) output pin
27 OUTB+ (*) Motor Bch (+) output pin
28 NC Non-connection pin
(*) Note: Please connect the pins with the same names, at the nearest point of the device.
・Please do not run patterns under NC pins.
5 2014-01-27
5 Page 
TB67S103AFTG/FNG
Function explanation (Stepping motor)
1. CLK Function
Each up-edge of the CLK signal will shift the motor’s electrical angle per step.
CLK Input
Up-edge
Down-edge
Shifts the electrical angle per step.
(State of the electrical angle does not change.)
Function
2. ENABLE function
The ENABLE pin controls the ON and OFF of the corresponding output stage. This pin serves to select if the motor is
stopped in Off (High impedance) mode or activated. Please set the ENABLE pin to ‘L’ during VM power-on and
power-off sequence.
ENABLE Input
H
L
Output stage=‘ON’ (Normal operation mode)
Output stage=’OFF) (High impedance mode)
Function
3. RESET function
RESET Input
H
L
Function
Sets the electrical angle to the initial condition.
Normal operation mode
The current for each channel (while RESET is applied) is shown in the table below. MO will show ‘L’ at this time.
Step resolution setting
Full step
Half step (Type (A))
Half step (Type (B))
Quarter step
1/8 step
1/16 step
1/32 step
Ach current setting
100%
100%
71%
71%
71%
71%
71%
Bch current setting
100%
100%
71%
71%
71%
71%
71%
Default electrical angle
45°
45°
45°
45°
45°
45°
45°
11 2014-01-27
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TB67S103AFNG.PDF ] | |
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