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TB67S269FTG 데이터시트 PDF




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부품번호 TB67S269FTG 기능
기능 CLOCK-in controlled Bipolar Stepping Motor Driver
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TB67S269FTG 데이터시트, 핀배열, 회로
TB67S269FTG
TOSHIBA BiCD Integrated Circuit Silicon Monolithic
TB67S269FTG
CLOCK-in controlled Bipolar Stepping Motor Driver
The TB67S269 is a two-phase bipolar stepping motor driver
using a PWM chopper. The clock in decoder is built in.
Fabricated with the BiCD process, rating is 50 V/2.0 A .
FTG
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.
Low on-resistance (High + Low side=0.8Ω(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
TB67S269FTG: P-WQFN48-0707-0.50-003
P-WQFN48-0707-0.50-003
Weight 0.10g (typ.)
Note) Please be careful about thermal conditions during use.
©2014 TOSHIBA CORPORATION
1
2014-10-8




TB67S269FTG pdf, 반도체, 판매, 대치품
TB67S269FTG
Application Notes
All the grounding wires of the TB67S269 must run on the solder mask on the PCB and be externally terminated
at only one point. Also, a grounding method should be considered for efficient heat dissipation.
Careful attention should be paid to the layout of the output, VDD(VM) and GND traces, to avoid short circuits
across output pins or to the power supply or ground. If such a short circuit occurs, the device may be permanently
damaged.
Also, the utmost care should be taken for pattern designing and implementation of the device since it has power
supply pins (VM, RS, OUT, GND) through which a particularly large current may run. If these pins are wired
incorrectly, an operation error may occur or the device may be destroyed.
The logic input pins must also be wired correctly. Otherwise, the device may be damaged owing to a current
running through the IC that is larger than the specified current.
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TB67S269FTG 전자부품, 판매, 대치품
INPUT/OUTPUT equivalent circuit (TB67S269)
Pin name
IN/OUT signal
Equivalent circuit
DMODE0
DMODE1
DMODE2
CLK
ENABLE
RESET
CW/CCW
Digital Input (VIH/VIL)
VIH: 2.0V(min) to 5.5V(max)
VIL : 0V(min) to 0.8V(max)
Logic
Input
Pin
GND
TB67S269FTG
1kΩ
LO
MO
VCC
VREFA
VREFB
OSCM
Digital Output (VOH/VOL)
(Pullup resistance :10k to 100kΩ)
Logic
Output
Pin
GND
VCC voltage range
4.75V(min) to 5.0V(typ.) to 5.25V(max)
VREF voltage range
0V to 3.6V
OSCM frequency setting range
0.64MHz(min) to 1.12MHz(typ.)
2.4MHz(max)
to
VCC
1kΩ
VREF
GND
OSCM
1kΩ
GND
OUT A+
OUT A-
OUT B+
OUT B-
RSA
RSB
VM power supply voltage range
10V(min) to 47V(max)
OUTPUT pin voltage
10V(min) to 47V(max)
RS
OUT+
GND
OUT-
The equivalent circuit diagrams may be simplified or some parts of them may be omitted for explanatory purposes.
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TB67S269FTG

CLOCK-in controlled Bipolar Stepping Motor Driver

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