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PDF TB62262FTAG Data sheet ( Hoja de datos )
| Número de pieza | TB62262FTAG | |
| Descripción | CLK-in controlled Bipolar Stepping Motor Driver | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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TB62262FTAG
TOSHIBA BiCD Integrated Circuit Silicon Monolithic
TB62262FTAG
CLK-in controlled Bipolar Stepping Motor Driver
The TB62262FTAG is a pwm method clock-in controlled
motor driver for two-phase bipolar stepping motor.
using a PWM chopper. An interface is CLK in control.
Fabricated with the BiCD process, rating is 40 V/1.5 A .
Features
・BiCD process integrated monolithic IC.
・Capable of controlling 1 bipolar stepping motor.
・PWM controlled constant-current drive.
・Allows full, half, quarter step operation.
・Low on-resistance (High + Low side = 0.8 Ω (typ.)) MOSFET
output stage.
・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 resistor
and capacitor.
・Package
TB62262FTAG: P-WQFN36-0606-0.50-002
FTAG
P-WQFN36-0606-0.50-002
Weight: 0.10 g (typ.)
Note: Please be careful about thermal conditions during use.
©2015 TOSHIBA CORPORATION
1
2015-11-6
1 page  
Pin explanations
TB62262FTAG (QFN36)
Pin No.
Pin Name
Function
1 CLK CLK signal input pin
2 ENABLE Ach/Bch output stage ON/OFF control pin
3
RESET
Electric angle reset pin
4
GND
Ground pin
5 NC Non-connection pin
6
RSA (*)
Motor Ach current sense pin
7
RSA (*)
Motor Ach current sense pin
8 OUTA+ (*) Motor Ach (+) output pin
9 OUTA+ (*) Motor Ach (+) output pin
10
GND
Ground pin
11 OUTA- (*) Motor Ach (-) output pin
12 OUTA- (*) Motor Ach (-) output pin
13
GND
Ground pin
14 NC Non-connection pin
15
GND
Ground pin
16 OUTB- (*) Motor Bch (-) output pin
17 OUTB- (*) Motor Bch (-) output pin
18
GND
Ground pin
19 OUTB+ (*) Motor Bch (+) output pin
20 OUTB+ (*) Motor Bch (+) output pin
21
RSB (*)
Motor Bch current sense pin
22
RSB (*)
Motor Bch current sense pin
23 VM Motor power supply pin
24 NC Non-connection pin
25
VCC
Internal VCC regulator monitor pin
26 NC Non-connection pin
27 NC Non-connection pin
28 NC Non-connection pin
29
GND
Ground pin
30
VREFB
Motor Bch output set pin
31
VREFA
Motor Ach output set pin
32
OSCM
Oscillating circuit frequency for chopping set pin
33 CW/CCW Motor rotation direction set pin
34 MO Electric angle monitor pin
35 DMODE1 Step resolution set pin no.1
36 DMODE2 Step resolution set pin no.2
・Please do not run patterns under NC pins.
*: Please connect the pins with the same pin name.
TB62262FTAG
5 2015-11-6
5 Page 
TB62262FTAG
Output transistor function mode
U1
ON
L1
OFF
VM
RRS
RS pin
Load
U2
OFF
U1
OFF
VM
RRS
RS pin
L2 L1
ON ON
Load
U2
OFF
U1
OFF
L2 L1
ON ON
VM
RRS
RS pin
U2
ON
Load
L2
OFF
PGND
Charge mode
A current flows into the motor coil.
PGND
Slow mode
A current circulates around the
motor coil and this device.
PGND
Fast mode
The energy of the motor coil
is fed back to the power
Output transistor function
MODE
U1
U2
L1
L2
CHARGE
ON
OFF
OFF
ON
SLOW
OFF
OFF
ON
ON
FAST
OFF
ON
ON OFF
Note: This table shows an example of when the current flows as indicated by the arrows in the figures shown above.
If the current flows in the opposite direction, refer to the following table.
MODE
CHARGE
SLOW
FAST
U1
OFF
OFF
ON
U2
ON
OFF
OFF
L1
ON
ON
OFF
L2
OFF
ON
ON
This IC controls the motor current to be constant by 3 modes listed above.
The equivalent circuit diagrams may be simplified or some parts of them may be omitted for explanatory purposes.
11 2015-11-6
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet TB62262FTAG.PDF ] | |
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