TCA3727 datasheet(11/27 Pages) SIEMENS

Part #	TCA3727

Description	2-Phase Stepper-Motor Driver

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

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TCA 3727

Semiconductor Group

11

1998-02-01

Standby Cutout (inhibit)

Threshold

Hysteresis

V

Inh

(L

→H)

V

Inh

(H

→L)

V

Inhhy

2

1.7

0.3

3

2.3

0.7

4

2.9

1.1

V

–

Internal Z-Diode

Z-voltage

V

LZ

6.5

7.4

8.2

V

I

L = 50 mA

Power Outputs

Diode Transistor Sink Pair

(D13, T13; D14, T14; D23, T23; D24, T24)

Saturation voltage

Reverse current

Forward voltage

V

satl

V

satl

I

Rl

V

Fl

V

Fl

–

0.3

0.5

–

0.9

1

0.6

1

300

1.3

1.4

V

µA

V

I

Q = – 0.5 A

I

Q = – 0.75 A

V

Q = 40 V

I

Q = 0.5 A

I

Q = 0.75 A

Diode Transistor Source Pair

(D11, T11; D12, T12; D21, T21; D22, T22)

Saturation voltage

Reverse current

Forward voltage

Diode leakage current

V

satuC

V

satuD

V

satuC

V

satuD

I

Ru

V

Fu

V

Fu

I

SL

–

0.9

0.3

1.1

0.5

–

1

1.1

1

1.2

0.7

1.4

1

300

1.3

1.4

2

V

µA

V

mA

I

Q = 0.5 A;

charge

I

Q = 0.5 A;

discharge

I

Q = 0.75 A;

charge

I

Q = 0.75 A;

discharge

V

Q = 0 V

I

Q = – 0.5 A

I

Q = – 0.75 A

I

F = – 0.75 A

Characteristics (cont’d)

V

S = 40 V; VL = 5 V; – 25 °C ≤ Tj ≤ 125 °C

Parameter

Symbol

Limit Values

Unit Test Condition

min.

typ.

max.

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