L6470PD datasheet(10/70 Pages) STMICROELECTRONICS

部件名	L6470PD

功能描述	dSPIN fully integrated microstepping motor driver with motion engine and SPI

PDF	70 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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10 / 70 page

Electrical data

L6470

10/70

Doc ID16737 Rev 5

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

5 V logic outputs

Motor supply voltage

VSA = VSB = VS

845

Vout_diff

Differential voltage between

VSA, OUT1A, OUT2A, PGND

and VSB, OUT1B, OUT2B,

PGND pins

VSA = VSB = VS

VREG,in

Logic supply voltage

VREG voltage imposed

by external source

3.2

3.3

VADC

Integrated ADC input voltage

(ADCIN pin)

0VREG

Table 4.

Thermal data

Symbol

Parameter

Package

Typ.

Unit

RthJA

Thermal resistance junction-ambient

HTSSOP28 (1)

HTSSOP28 mounted on EVAL6470H rev 1.0 board: four-layer FR4 PCB with a dissipating copper surface

of about 40 cm2 on each layer and 15 via holes below the IC.

°C/W

POWERSO36 (2)

POWERSO36 mounted on EVAL6470PD rev 1.0 board: four-layer FR4 PCB with a dissipating copper

surface of about 40 cm2 on each layer and 22 via holes below the IC.

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