L6474 datasheet(7/51 Pages) STMICROELECTRONICS

Il numero della parte	L6474

Spiegazioni elettronici	easySPIN ??fully integrated microstepping motor driver

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

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L6474

Electrical data

Doc ID 022529 Rev 2

7/51

Electrical data

2.1

Absolute maximum ratings

Table 2.

Absolute maximum ratings

Symbol

Parameter

Test condition

Value

Unit

VDD

Logic interface supply voltage

5.5

Motor supply voltage

VSA = VSB = VS

VGND, diff

Differential voltage between AGND,

PGND and DGND

±0.3

Vboot

Bootstrap peak voltage

VREG

Internal voltage regulator output pin

and logic supply voltage

3.6

VADCIN

Integrated ADC input voltage range

(ADCIN pin)

-0.3 to +3.6

VOSC

OSCIN and OSCOUT pin voltage

range

-0.3 to +3.6

Vout_diff

Differential voltage between VSA,

OUT1A, OUT2A, PGND and VSB,

OUT1B, OUT2B, PGND pins

VSA = VSB = VS

VLOGIC

Logic inputs voltage range

-0.3 to +5.5

Iout

(1)

R.m.s. output current

Iout_peak

(1)

Pulsed output current

TPULSE < 1 ms

TOP

Operating junction temperature

150

°C

Storage temperature range

-55 to 150

°C

Ptot

Total power dissipation (TA = 25 ºC)

(2)

TBD

Maximum output current limit is related to metal connection and bonding characteristics. Actual limit must satisfy maximum

thermal dissipation constraints.

TBD.

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