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Toshiba Electronic Components Datasheet

TB62207BFG Datasheet

Stepping Motor Driver/DC Motor Driver

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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 = 0.6
( 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


Toshiba Electronic Components Datasheet

TB62207BFG Datasheet

Stepping Motor Driver/DC Motor Driver

No Preview Available !

TOSHIBA
TB62207BF TB62207BFG
Package: 36-pin power flat package (HSOP36-P-450-0.65)
Motor maximum output pressure: 37 V
On-chip Mixed Decay Mode enables specification of four-stage attenuation ratio.
Chopping frequency can be set by external oscillator. High-speed chopping is possible at 100 kHz or higher.
Note: When using the IC, be very careful in regard to thermal conditions.
2005/06/13 2


Part Number TB62207BFG
Description Stepping Motor Driver/DC Motor Driver
Maker Toshiba
Total Page 30 Pages
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