E-TEA3718DP Datasheet, PDF(10/26 Page) STMicroelectronics – Stepper motor driver

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E-TEA3718DP Datasheet, PDF (10/26 Pages) STMicroelectronics – Stepper motor driver

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Electrical specifications

3.4

Electrical characteristics

Table 7. Electrical characteristics(1)

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ICC

VIH

VIL

IIH

IIL

VCH

VCM

VCL

ICO

Ioff

Vsat(total)

Supply current

-

-

25 mA

High level input voltage - logic inputs 2

2

-

-V

Low level input voltage - logic inputs

-

-

0.8 V

High level input current - logic inputs

-

-

20 ÂµA

Low level input current - logic inputs (VI = 0.4 V)

-0.4

-

- mA

Comparator threshold voltage (VR = 5V)

IO = 0, I1 = 0 390

420

440

IO = 0, I1 = 0 230

250

270 mV

IO = 0, I1 = 0 65

80

90

Comparator input current

-20

-

20 ÂµA

Output leakage current (IO = 0, I1 = 1 Tamb = 25oC)

-

-

100 ÂµA

Total saturation voltage drop (Im = 1 A)

SO20/Power DIP -

Multiwatt -

-

2.8

V

-

3.2

Ptot

Total power dissipation - Im = 1 A, fs = 30 kHz

-

3.1

3.6 W

toff

Cut off time (see Figure 6 and Figure 7, Vmm = 10 V

Vton > 5 Âµs

25

30

35 ms

td

Turn off delay (see Figure 6 and Figure 7) Tamb = 25oC,

dVC/dt > 50 mV/Âµs)

-

1.6

- Âµs

Vsat(alarm)

Alarm output saturation voltage IO = 2 mA (Multiwatt)

-

0.8

-V

Iref

Reference input current, VR = 5 V

-

0.4

1 mA

Vsat(source)

Source diode transistor pair

saturation voltage

Power DIP Im = 0.5 A

-

Power DIP Im = 1 A

-

Multiwatt Im = 0.5 A

-

Multiwatt Im = 1 A

-

1.05 1.2 (1.3)

V

1.35 1.5 (1.7)

-

1.3

V

-

1.7

Vf(source diode) Source diode forward voltage

If(source) = 0.5 A

If(source) = 1 A

-

1.1 1.5 (1.6)

V

-

1.25 1.7 (1.9)

Isub

Substrate leakage current

If = 1A

-

-

5 mA

Vsat(sink)

Sink diode transistor pair

saturation

Power DIP Im = 0.5 A

-

Power DIP Im = 1 A

-

Multiwatt Im = 0.5 A

-

Multiwatt Im = 1 A

-

1 1.2 (1.3)

V

1.2 1.3 (1.5)

-

1.3

V

-

1.5

Vf(sink diode) Sink diode forward voltage

If(sink) = 0.5 A

If(sink) = 1 A

-

1 1.4 (1.6)

V

-

1.1 1.5 (1.9)

1. Vs = Vss = 5 V, Â± 5%, Vmm = 10 V to 45V, Tamb = 0 to 70oC (Tamb = 25 oC for TEA3718SFP) unless otherwise specified.

2. Values in parentheses apply only to E-TEA3718SFP and E-TEA3718SFPTR mounted in SO20 package.

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