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Toshiba Electronic Components Datasheet

TC78S600FTG Datasheet

Stepping Motor Driver

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TC78S600FNG/FTG
CD Integrated Circuit Silicon Monolithic
TC78S600FNG/FTG
Stepping Motor Driver IC
The TC78S600FNG/FTG is a PWM constant-current type
stepping motor driver IC designed for sinusoidal-input
micro-step control of stepping motors.
The TC78S600FNG/FTG can be used in applications that
require 1-2-phase, W1-2-phase, 2W1-2 phase, and 4W1-2 phase
excitation modes. The TC78S600FNG/FTG is capable of forward
and reverse driving of a 2-phase bipolar stepping motor using
only a clock signal.
Features
Motor power supply voltage: VM = 15V (max)
Control power supply voltage: Vcc = 2.7 to 5.5V (operation
range)
Output current: Iout 0.8A (max)
Output ON-resistance: Ron = 1.2Ω (upper and lower sum)
P-WQFN24-0404-0.50-004
Decoder that enables micro step control with the clock signal
Selectable phase excitation modes (1-2, W1-2, 2W1-2, and
4W1-2)
Weight: SSOP20-P-225-0.65A 0.09g(typ.)
P-WQFN24-0404-0.50-004 0.03g(typ.)
Internal pull-down resistors on inputs: 200 kΩ (typ.)
Output monitor pin ( MO )
Over current protection (ISD), Thermal shutdown (TSD) circuit, and Undervoltage lockout (UVLO) circuit.
Package: SSOP20 and QFN24
Fast decay: always 12.5%
Built-in cross conduction protection circuit
This product has a MOS structure and is sensitive to electrostatic discharge. When handling this product, ensure
that the environment is protected against electrostatic discharge by using an earth strap, a conductive mat and an
ionizer. Ensure also that the ambient temperature and relative humidity are maintained at reasonable levels.
Do not insert devices in the wrong orientation or incorrectly. Otherwise, it may cause the device breakdown,
damage and/or deterioration.
© 2014 TOSHIBA Corporation
1
2014-10-01


Toshiba Electronic Components Datasheet

TC78S600FTG Datasheet

Stepping Motor Driver

No Preview Available !

Block Diagram
GND STBY
Vcc MO
M1
M2
CW/CCW
CK
RESET
ENABLE
POR
μstep
Decoder
1-2 phase
W1-2 phase
2W1-2 phase
4W1-2 phase
ISD
TSD
Vref
TQ
OSC
OSC
Vref
TC78S600FNG/FTG
AO1
Pre
H-Bridge
Drive
A
AO2
PWM
Timer
RFA
VM
BO1
Pre
H-Bridge
Drive
B
BO2
PWM
Timer
RFB
2
2014-10-01


Part Number TC78S600FTG
Description Stepping Motor Driver
Maker Toshiba
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TC78S600FTG Datasheet PDF






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