TCA3727 View Datasheet(PDF) - Siemens AG

Part Name

Description

MFG CO.

TCA3727

2-Phase Stepper-Motor Driver

Siemens AG 

TCA 3727

Characteristics (cont’d)

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

Parameter

Symbol

Limit Values

min. typ. max.

Unit Test Condition

Standby Cutout (inhibit)

Threshold

Threshold

Hysteresis

VInh

2

(L→H)

3

4

V–

VInh

1.7 2.3 2.9 V –

(H→L)

VInhhy

0.3 0.7 1.1 V –

Internal Z-Diode

Z-voltage

VLZ

6.5 7.4 8.2 V IL = 50 mA

Power Outputs

Diode Transistor Sink Pair

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

Saturation voltage

Saturation voltage

Reverse current

Forward voltage

Forward voltage

Vsatl

–

0.3 0.6 V IQ = – 0.5 A

Vsatl

–

0.5 1

V IQ = – 0.75 A

IRl

–

–

300 µA VQ = 40 V

VFl

–

0.9 1.3 V IQ = 0.5 A

VFl

–

1

1.4 V IQ = 0.75 A

Diode Transistor Source Pair

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

Saturation voltage

VsatuC

–

Saturation voltage

VsatuD

–

Saturation voltage

VsatuC

–

Saturation voltage

VsatuD

–

Reverse current

IRu

–

Forward voltage

VFu

–

Forward voltage

VFu

–

Diode leakage current

ISL

–

0.9 1.2 V IQ = 0.5 A;

charge

0.3 0.7 V IQ = 0.5 A;

discharge

1.1 1.4 V IQ = 0.75 A;

charge

0.5 1

V IQ = 0.75 A;

discharge

–

300 µA VQ = 0 V

1

1.3 V IQ = – 0.5 A

1.1 1.4 V IQ = – 0.75 A

1

2

mA IF = – 0.75 A

Semiconductor Group

11

1998-02-01

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