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PDF TB62207BF Data sheet ( Hoja de datos )
| Número de pieza | TB62207BF | |
| Descripción | Stepping Motor Driver/DC Motor Driver | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TB62207BF (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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TOSHIBA
TB62207BF TB62207BFG
TOSHIBA BiCD Process Integrated Circuit - Silicon Monolithic
TB62207BF TB62207BFG
Stepping Motor Driver/DC Motor Driver Select, DC-DC Converter and Reset Driven by Chopper Microstep
Pseudo Sine Wave
The TB62207BF/BFG is a dual stepping motor driver./DC motor driver
switching enabled, DC-DC converter and reset driven by chopper microstep
pseudo sine wave.
To drive a two-phase bipolar-type stepping motor, a 16-bit latch and a 16-bit shift
register are built in the IC. The IC is suitable for driving stepping motors with
low-torque ripple in a highly efficient manner. In addition, a signal axis can be
switched to serve as a PWM driver for two DC motors.
By equipping the stepping motor driver with Selectable Mixed Decay Mode for
switching the attenuation ratio during chopping and also equipping it with a
DC/DC converter, it is possible for the IC to supply external voltage.
HSOP36-P-450-0.65
Features
●The following motor combinations can be used (see p. 16-20 for pin locations)
Stepper
1 dual axis
2 single axis
3 single axis
4 ---
5 ---
DC Large
DC (L)
---
single axis
---
single axis
dual axis
DC Small
DC (S)
---
---
dual axis
dual axis
---
Weight: 0.79 g (typ.)
Note: Hereafter, DC Large will be referenced as DC (L) and DC Small will be referenced as DC (S).
● Output Current Stepping Motor 1.0A (MAX) (single axis drive)
DC Motor
DC Large
DC Small
Varistor peak
8A (500ns)
4A (500ns)
For initial torque
3A (100ms)
2.5A (100ms)
Stationary current 0.8A
0.8A
The large current standard is achieved by shorting a small current H-Bridge outside two ICs. In addition, if the thermal setting is
designed to be within the proscribed thermal range, the initial torque current can be used as the normal operating current.
● It is possible to supply voltage to the outside by internalizing a step-down 1.5V to 5.0V variable DC-DC converter.
● A Reset function has been added making it possible to output a reset signal to the outside.
●Monolithic BiCD IC whose motor driver output DMOS is capable of achieving a low ON resistance of Ron = 0.6Ω
( Tj = 25 , 0.6A: Typ.)
●Two sets of internal serial input type 16 bit shift registers and 16 bit latches.
●The motor driver is capable of driving stepping motors using a 4-bit microstep.
● Equipped protection circuits: DC-DC converter overcurrent/increased voltage protection, motor overcurrent protection and total IC
overtemperature protection.
In addition, equipped with Power On Reset circuit for initializing the IC when the power is turned on and off.
2005/06/13 1
1 page  
TOSHIBA
TB62207BF TB62207BFG
When the IC is mounted in the wrong orientation, high voltage will be applied to the
low-withstand-voltage block, which causes the IC to be destroyed. Please check the pin 1
positioning mark when mounting it. While the IC is powered-on, do not connect the motor
to the IC or vice-versa.
2005/06/13 5
5 Page 
TOSHIBA
TB62207BF TB62207BFG
6 DC-DC converter circuit
VM
OSCD
CR control circuit
COSCD 120pF
DC-DC Conv A
control circuit
ISD
LDA
(330uH)
To output
ISD
ODA
CDA
RDCA1
FBA
(100uF)
RCA2
DC/DC Conv B
control circuit
DGND
ISD
ODB
CDB
(100uF)
To output
LDB
ISD
(330uH)
R CB1
FBB
R CB2
FB recommended
resistance
3.3 V setting
5.0 V setting
RDCA1/RDCB1
1.2
5.6
RDCA2/RDCB2
1
2.4
DGND
2005/06/13 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TB62207BF.PDF ] | |
Hoja de datos destacado
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