Q67000-A8302 Просмотр технического описания (PDF) - Infineon Technologies

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производитель

Q67000-A8302

2-Phase Stepper-Motor Driver Bipolar IC

Infineon Technologies 

TCA 3727

Inhibit

L

V Osc 2.3 V

1.3 V

0

Oscillator

High Imped.

Phase 1

Ι GND

L

ΙN

0

V Q11 +V S

High

V satl

Impedance

V Q12 +V S High

Impedance

Phase Changeover

t

Oscillator

High Imped.

t

t

V Fu

Vsatu C

t

Vsatu D

High

Impe-

dance

V Fl

t

Ι Phase 1

Slow Current Decay

Operating Conditions:

VS

= 40 V

VΙ

=5V

L phase 1 = 10 mH

R phase 1 = 20 Ω

Ι 1X = L; Ι 1X = H

Fast Current Decay

Figure 12 Phase Reversal and Inhibit

t

Slow

Current Decay

t

Fast

Current

Decay by

Inhibit

IED01178

Data Sheet

21

Rev. 2.0, 2004-10-01

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