TCA3727 View Datasheet(PDF) - Siemens AG

Part Name

Description

MFG CO.

TCA3727

2-Phase Stepper-Motor Driver

Siemens AG 

TCA 3727

100 µF

Ι ΙL

Ι ΙH

VΙL

VΙH

220 nF Ι L

ΙS

12

1 Ι10 VL

2 Ι11

3 Phase 1

17 Inhibit

20 Ι20

19 Ι21

18 Phase 2

OSC

4

Ι OSC VOSC

2.2 nF

TCA 3727

9

VS

Q11 7

Q12 10

Q21 14

Q22 11

GND

13

8

5, 6

15, 16

R2

1Ω

R1

1Ω

Ι GND

VSense

220 nF

100 µF

VS

VSatu

- VFu

ΙQ

- Ι Fu

-ΙR

Ι Ru

VSatl

- VFl

VSense

IES00706

Figure 4 Test Circuit

+5 V

Micro

Controller

100 µF

220 nF

12

1

VL

Ι10

2

Ι11

3

Phase 1

17

Inhibit

20

Ι 20

19

Ι 21

18

Phase 2

OSC

4

2.2 nF

3

VS

Q11 7

TCA 3727

Q12 10

Q21 14

Q22 11

GND

13 8

5, 6

R2

R 1 15, 16

1Ω 1Ω

220 nF

+40 V

100 µF

M

IES00707

Figure 5 Application Circuit

Semiconductor Group

15

1998-02-01

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