L6474 datasheet(8/51 Pages) STMICROELECTRONICS

Teilenummer	L6474

Bauteilbeschribung	easySPIN ??fully integrated microstepping motor driver

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Electrical data

L6474

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Doc ID 022529 Rev 2

2.2

Recommended operating conditions

2.3

Thermal data

Table 3.

Recommended operating conditions

Symbol

Parameter

Test condition

Value

Unit

VDD

Logic interface supply voltage

3.3 V logic outputs

3.3

V

5 V logic outputs

5

VS

Motor supply voltage

VSA = VSB = VS

8

45

V

Vout_diff

Differential voltage between

VSA, OUT1A, OUT2A, PGND

and VSB, OUT1B, OUT2B,

PGND pins

VSA = VSB = VS

45

V

VREG,in Logic supply voltage

VREG voltage imposed by

external source

3.2

3.3

V

VADC

Integrated ADC input voltage

(ADCIN pin)

0

VREG

V

Tj

Operating junction temperature

-25

125

°C

Table 4.

Thermal data

Symbol

Parameter

Package

Typ

Unit

RthJA

Thermal resistance junction-ambient

HTSSOP28 (1)

1.

TBD.

TBD

°C/W

POWERSO36 (2)

2.

TBD.

TBD

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