L9958XP datasheet(29/38 Pages) STMICROELECTRONICS

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L9958

Electrical specifications

Doc ID 17269 Rev 5

29/38

6.4.4

Digital inputs: TTL // 3.3V / 5V CMOS compatible

6.4.5

Bridge output drivers

Table 21.

Digital inputs: TTL // 3.3V / 5V CMOS compatible

Pos.

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

4.1

Vih

Input voltage HIGH

Vdd+0.3

4.2

Vil

Input voltage LOW

-0.3

0.8

4.3

Hysteresis of input voltage

200

4.4

Iinl

Input current source for: DI /

NCS / SCLK / SDI

Vin = 0 V

-100

-30

µA

Vin = 5 V No back

supply allowed

4.5

Iinh

Input current sink for: EN / DIR /

PWM

Vin = 5 V

100

µA

Vin = 0 V

-5

4.6

Vrext

External resistor

1.24

Rext

Overall tolerance can

be taken as 3.5 %

-1

Table 22.

Bridge output drivers

Pos.

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

5.1

Rdson_h

High-side transistor Rdson

Tj = 150 °C, Iout = 3 A

4V < Vps < 5 V

300

Tj = 150 °C, Iout = 3 A

Vps > 5 V

150

5.2

Rdson_l

Low-side transistor Rdson

Tj = 150 °C, Iout = 3 A

4V < Vps < 5 V

300

Tj = 150 °C, Iout = 3 A

Vps > 5 V

150

5.3

Vbd_h

Body diode forward voltage

drop high-side transistor

Idiode = 3 A

1.2

5.4

Vbd_l

Body diode forward voltage

drop low-side transistor

Idiode = 3 A

1.2

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