L6474PD View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

L6474PD

Fully integrated microstepping motor driver

STMicroelectronics 

Electrical data

2

Electrical data

L6474

2.1

Absolute maximum ratings

Symbol

Table 2. Absolute maximum ratings

Parameter

Test condition

Value

Unit

VDD

Logic interface supply voltage

5.5

V

VS

Motor supply voltage

VSA = VSB = VS

48

V

VGND, diff Differential voltage between AGND, PGND and DGND

±0.3

V

Vboot Bootstrap peak voltage

55

V

VREG

Internal voltage regulator output pin and logic supply

voltage

3.6

V

VADCIN Integrated ADC input voltage range (ADCIN pin)

-0.3 to +3.6 V

VOSC OSCIN and OSCOUT pin voltage range

-0.3 to +3.6 V

Vout_diff

Differential voltage between VSA, OUT1A, OUT2A, PGND

and VSB, OUT1B, OUT2B, PGND pins

VSA = VSB = VS

48

V

VLOGIC

Iout (1)

Iout_peak (1)

Logic inputs voltage range

R.m.s. output current

Pulsed output current

-0.3 to +5.5 V

3

A

TPULSE < 1 ms

7

A

TOP

Operating junction temperature

-40 to 150 °C

Ts

Storage temperature range

Ptot

Total power dissipation (TA = 25 ºC)

-55 to 150 °C

(2)

5

W

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

thermal dissipation constraints.

2. HTSSOP28 mounted on EVAL6474H.

8/53

DocID022529 Rev 4

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