L6470 데이터 시트보기 (PDF) - STMicroelectronics

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L6470

Fully integrated microstepping motor driver with motion engine and SPI

STMicroelectronics 

Electrical data

L6470

2.2

Recommended operating conditions

Symbol

Table 3. Recommended operating conditions

Parameter

Test condition

Value

Unit

VDD Logic interface supply voltage

VS

Vout_diff

Motor supply voltage

Differential voltage between

VSA, OUT1A, OUT2A, PGND

and VSB, OUT1B, OUT2B,

PGND pins

VREG,in Logic supply voltage

VADC

Integrated ADC input voltage

(ADCIN pin)

3.3 V logic outputs

5 V logic outputs

VSA = VSB = VS

VSA = VSB = VS

VREG voltage imposed

by external source

3.3

V

5

8

45 V

45 V

3.2 3.3

V

0

VREG V

2.3

Thermal data

Table 4. Thermal data

Symbol

Parameter

Package

Typ. Unit

RthJA Thermal resistance junction ambient

HTSSOP28(1)

POWERSO36(2)

22

°C/W

12

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

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

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

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

10/73

DocID16737 Rev 7

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