L6470PD View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

L6470PD

dSPIN™ fully integrated microstepping motor driver with motion engine and SPI

STMicroelectronics 

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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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